{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0.036287784576416016",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.021162033081054688",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "4",
                    "name": "N",
                    "type": "int",
                    "uid": 2
                },
                {
                    "expr": "1.",
                    "name": "r",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('m-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Y',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -271,
                167
            ],
            "name": "p0",
            "script": [
                "# Neil Gershenfeld 2/14/15",
                "# Matt Keeter 6/12/15",
                "",
                "import fab",
                "import math",
                "",
                "title('Polygon')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('N', int)",
                "input('r', float)",
                "",
                "output('shape', fab.shapes.move(fab.shapes.polygon_radius(x, y, r, N), x, y))",
                "",
                "# UI",
                "# (we need to do a bit of work to make the UI work for both even and",
                "#  odd vertex counts; otherwise it will be off for one or the other)",
                "a_ = 0 if (N % 2) else (math.pi / N)",
                "sb.ui.wireframe([",
                "    (x + r * math.sin(a_ + a * math.pi * 2/N),",
                "     y + r * math.cos(a_ + a * math.pi * 2/N), 0)",
                "    for a in range(N)], close=True)",
                "sb.ui.point(x, y)",
                "sb.ui.point(x + r * math.sin(a_), y + r * math.cos(a_),",
                "             drag=(None, r, None))",
                ""
            ],
            "uid": 0
        },
        {
            "datums": [
                {
                    "expr": "0.7109745740890503",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-0.008405447006225586",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.5421130657196045",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0.506455659866333",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f0.439918X-Xf0.982031a-f-0.261633Y-Yf0.244822',float('0.439918'),float('-0.261633'),float('-inf'),float('0.982031'),float('0.244822'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -278.65721722828886,
                -218.7683864615372
            ],
            "name": "r0",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 1
        },
        {
            "datums": [
                {
                    "expr": "0.013067960739135742",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.6996389627456665",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__1.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__1.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.257989X-Xf0.284124a-f0.446411Y-Yf0.952867',float('-0.257989'),float('0.446411'),float('-inf'),float('0.284124'),float('0.952867'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -279,
                -33
            ],
            "name": "r1",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 2
        },
        {
            "datums": [
                {
                    "expr": "-0.7101491689682007",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-0.005732297897338867",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__1.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__1.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496',float('-0.981206'),float('-0.258960'),float('-inf'),float('-0.439093'),float('0.247496'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                40.407830652034363,
                -229.20195672209576
            ],
            "name": "r2",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 3
        },
        {
            "datums": [
                {
                    "expr": "0.03678792715072632",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-0.7144930958747864",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__1.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__1.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.234269X-Xf0.307844a-f-0.967721Y-Yf-0.461265',float('-0.234269'),float('-0.967721'),float('-inf'),float('0.307844'),float('-0.461265'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                44,
                -20
            ],
            "name": "r3",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 4
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__3.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('am-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Ynaa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                375.46476190486572,
                -189.16545256275677
            ],
            "name": "d0",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 5
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__5.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__1.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aam-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Ynaa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496naa-f0.439918X-Xf0.982031a-f-0.261633Y-Yf0.244822',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                376.86633224292234,
                -28.692933478745687
            ],
            "name": "d1",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 6
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__6.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__2.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aaam-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Ynaa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496naa-f0.439918X-Xf0.982031a-f-0.261633Y-Yf0.244822naa-f-0.257989X-Xf0.284124a-f0.446411Y-Yf0.952867',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                385.4647619048659,
                123.2126572155893
            ],
            "name": "d2",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 7
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__7.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__4.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aaaam-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Ynaa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496naa-f0.439918X-Xf0.982031a-f-0.261633Y-Yf0.244822naa-f-0.257989X-Xf0.284124a-f0.446411Y-Yf0.952867naa-f-0.234269X-Xf0.307844a-f-0.967721Y-Yf-0.461265',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                394.97626776114782,
                279.99633532781922
            ],
            "name": "d3",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 8
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__8.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "hue",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "1",
                    "name": "saturation",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1",
                    "name": "brightness",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aaaam-Xf0.0362878-Yf0.021162-Zf0aaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f6.12323e-17X*f1Y+*f-1X*f6.12323e-17Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1X*f1.22465e-16Y+*f-1.22465e-16X*f-1Y_m-Xf0-Yf0-Zf0-f-0.707107Ym-Xf0-Yf0-Zf0m+*f-1.83697e-16X*f-1Y+*f1X*f-1.83697e-16Y_m-Xf0-Yf0-Zf0-f-0.707107Ynaa-f-0.981206X-Xf-0.439093a-f-0.25896Y-Yf0.247496naa-f0.439918X-Xf0.982031a-f-0.261633Y-Yf0.244822naa-f-0.257989X-Xf0.284124a-f0.446411Y-Yf0.952867naa-f-0.234269X-Xf0.307844a-f-0.967721Y-Yf-0.461265',float('-0.963712'),float('-0.978838'),float('-inf'),float('1.036288'),float('1.021162'),float('inf'),color=(255,0,0))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                395.22803106109473,
                419.94349788693773
            ],
            "name": "s0",
            "script": [
                "import math",
                "import fab",
                "",
                "title('Set color (HSB)')",
                "",
                "input(\"shape\", fab.types.Shape)",
                "input(\"hue\", float)",
                "input(\"saturation\", float)",
                "input(\"brightness\", float)",
                "",
                "# copied from Java's HSBtoRGB",
                "# http://www.docjar.com/html/api/java/awt/Color.java.html",
                "",
                "r = 0",
                "g = 0",
                "b = 0",
                "",
                "if saturation == 0:",
                "  r = g = b = int(brightness * 255.0 + 0.5)",
                "else:",
                "  h = (hue - float(math.floor(hue))) * 6.0",
                "  f = h - float(math.floor(h))",
                "  p = brightness * (1-saturation)",
                "  q = brightness * (1-saturation*f)",
                "  t = brightness * (1-(saturation*(1-f)))",
                "",
                "  h = int(h)",
                "",
                "  if(h==0):",
                "    r = int(brightness * 255.0 + 0.5)",
                "    g = int(t * 255.0 + 0.5)",
                "    b = int(p * 255.0 + 0.5)",
                "  elif(h==1):",
                "    r = int(q * 255.0 + 0.5)",
                "    g = int(brightness * 255.0 + 0.5)",
                "    b = int(p * 255.0 + 0.5)",
                "  elif(h==2):",
                "    r = int(p * 255.0 + 0.5)",
                "    g = int(brightness * 255.0 + 0.5)",
                "    b = int(t * 255.0 + 0.5)",
                "  elif(h==3):",
                "    r = int(p * 255.0 + 0.5)",
                "    g = int(q * 255.0 + 0.5)",
                "    b = int(brightness * 255.0 + 0.5)",
                "  elif(h==4):",
                "    r = int(t * 255.0 + 0.5)",
                "    g = int(p * 255.0 + 0.5)",
                "    b = int(brightness * 255.0 + 0.5)",
                "  elif(h==5):",
                "    r = int(brightness * 255.0 + 0.5)",
                "    g = int(p * 255.0 + 0.5)",
                "    b = int(q * 255.0 + 0.5)",
                "",
                "output(\"out\", fab.shapes.set_color(shape, r, g, b))",
                ""
            ],
            "uid": 9
        },
        {
            "datums": [
                {
                    "expr": "0.8276477456092834",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-2.699838638305664",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "1",
                    "name": "r",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0",
                    "name": "_a",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('-r+q-Xf0.827648q-Yf-2.69984f1',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -289.14631554785825,
                965.54388575501468
            ],
            "name": "c0",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/18",
                "",
                "import fab",
                "import math",
                "",
                "title('Circle (center)')",
                "",
                "input('x0',float)",
                "input('y0',float)",
                "input('r',float)",
                "input('_a',float)",
                "",
                "output('shape', fab.shapes.circle(x0, y0, r))",
                "",
                "def drag_r(this,x,y,z):",
                "    dx = x - this.x0",
                "    dy = y - this.y0",
                "    this.r = math.sqrt(dx**2 + dy**2)",
                "    this._a = math.atan2(dy, dx)",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * r + x0,",
                "     math.sin(i/36. * 2*math.pi) * r + y0, 0)",
                "    for i in range(36)], close=True)",
                "sb.ui.point(x0,y0)",
                "sb.ui.point(x0 + r*math.cos(_a),",
                "             y0 + r*math.sin(_a),",
                "             drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 10
        },
        {
            "datums": [
                {
                    "expr": "0.8443023854942322",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-3.694363671005249",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.58",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": ".58",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436',float('0.554302'),float('-3.984364'),float('-inf'),float('1.134302'),float('-3.404364'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -272.52250436380274,
                536.35591868280017
            ],
            "name": "r4",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 11
        },
        {
            "datums": [
                {
                    "expr": "0.8199466759414673",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-1.6968304688339235",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__11.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__11.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f0.529947X-Xf1.10995a-f-1.98683Y-Yf-1.40683',float('0.529947'),float('-1.986830'),float('-inf'),float('1.109947'),float('-1.406830'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -274.96835377798732,
                731.75990176229436
            ],
            "name": "r5",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 12
        },
        {
            "datums": [
                {
                    "expr": "1.8297910386772156",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-2.718441563308716",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__11.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__11.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844',float('1.539791'),float('-3.008441'),float('-inf'),float('2.119791'),float('-2.428442'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                47.985135547792538,
                540.27861667348702
            ],
            "name": "r6",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 13
        },
        {
            "datums": [
                {
                    "expr": "-0.1570159500389099",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-2.7071257407073976",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__11.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__11.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.447016X-Xf0.132984a-f-2.99713Y-Yf-2.41713',float('-0.447016'),float('-2.997126'),float('-inf'),float('0.132984'),float('-2.417126'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                43.9277854998127,
                735.01454598339717
            ],
            "name": "r7",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 14
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__10.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__13.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('a-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                439.75081064864105,
                641.19355899416621
            ],
            "name": "d4",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 15
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__15.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__11.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844naa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                438.58063688414472,
                900.26802263872491
            ],
            "name": "d5",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 16
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__16.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__12.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aaa-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844naa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436naa-f0.529947X-Xf1.10995a-f-1.98683Y-Yf-1.40683',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                445.66634907392393,
                1038.5551342494978
            ],
            "name": "d6",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 17
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__17.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__14.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aaaa-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844naa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436naa-f0.529947X-Xf1.10995a-f-1.98683Y-Yf-1.40683naa-f-0.447016X-Xf0.132984a-f-2.99713Y-Yf-2.41713',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                454.27930796312558,
                1175.5446474035843
            ],
            "name": "d7",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 18
        },
        {
            "datums": [
                {
                    "expr": "12.659383992858887",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-3.5366783045425416",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__21.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__21.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "0.06482583489911298",
                    "name": "r",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('iiiiiaa-f12.3694X-Xf12.9494a-f-3.80788Y-Yf-3.26548aa-f12.3882X-Xf12.9306a-f-3.82668Y-Yf-3.24668-r+q-Xf12.3882q-Yf-3.80788f0.0187995-r+q-Xf12.3882q-Yf-3.26548f0.0187995-r+q-Xf12.9306q-Yf-3.80788f0.0187995-r+q-Xf12.9306q-Yf-3.26548f0.0187995',float('12.369384'),float('-3.826678'),float('-inf'),float('12.949384'),float('-3.246678'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                821.24229125731131,
                -112.16529630304883
            ],
            "name": "r9",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rounded rectangle (center)')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('width', float)",
                "input('height', float)",
                "input('r', float)",
                "",
                "xmin, xmax = x - width/2, x + width/2",
                "ymin, ymax = y - height/2, y + height/2",
                "",
                "# This is the circle's radius in actual units (not a 0-1 fraction)",
                "r_ = r * min(width, height)/2",
                "",
                "output('shape', fab.shapes.rounded_rectangle(xmin, xmax, ymin, ymax, r))",
                "",
                "def drag_r(this, x, y, z):",
                "    if abs(this.width) < abs(this.height):",
                "        d = abs(this.width)",
                "        mid = this.y + this.height/2 - d/2",
                "    else:",
                "        d = abs(this.width)",
                "        mid = this.y",
                "    r = 1 - (y - mid) / (d/2)",
                "    this.r = float(min(1, max(0, r)))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.height = abs(2 * (y - this.y))",
                "   this.width = abs(2 * (x - this.x))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.wireframe([(xmax - r_, ymax, 0), (xmax, ymax - r_, 0)])",
                "sb.ui.point(x, y)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                "sb.ui.point(xmax, ymax - r_, drag=drag_r, relative=False)",
                "",
                ""
            ],
            "uid": 20
        },
        {
            "datums": [
                {
                    "expr": "10.608930826187134",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-3.1107529401779175",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "5",
                    "name": "N",
                    "type": "int",
                    "uid": 2
                },
                {
                    "expr": "2.75",
                    "name": "r",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('m-Xf10.6089-Yf-3.11075-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Y',float('7.858900'),float('-5.860750'),float('-inf'),float('13.358900'),float('-0.360750'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                827.82012150651576,
                138.21432843871617
            ],
            "name": "p1",
            "script": [
                "# Neil Gershenfeld 2/14/15",
                "# Matt Keeter 6/12/15",
                "",
                "import fab",
                "import math",
                "",
                "title('Polygon')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('N', int)",
                "input('r', float)",
                "",
                "output('shape', fab.shapes.move(fab.shapes.polygon_radius(x, y, r, N), x, y))",
                "",
                "# UI",
                "# (we need to do a bit of work to make the UI work for both even and",
                "#  odd vertex counts; otherwise it will be off for one or the other)",
                "a_ = 0 if (N % 2) else (math.pi / N)",
                "sb.ui.wireframe([",
                "    (x + r * math.sin(a_ + a * math.pi * 2/N),",
                "     y + r * math.cos(a_ + a * math.pi * 2/N), 0)",
                "    for a in range(N)], close=True)",
                "sb.ui.point(x, y)",
                "sb.ui.point(x + r * math.sin(a_), y + r * math.cos(a_),",
                "             drag=(None, r, None))",
                ""
            ],
            "uid": 19
        },
        {
            "datums": [
                {
                    "expr": "8.55993841142273",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-3.6425855063095094",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__21.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__21.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f8.26994X-Xf8.84994a-f-3.93259Y-Yf-3.35259',float('8.269938'),float('-3.932585'),float('-inf'),float('8.849938'),float('-3.352586'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                1221.6584221819596,
                -353.47187447513113
            ],
            "name": "r10",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 22
        },
        {
            "datums": [
                {
                    "expr": "11.852451066680908",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-1.2426074646606446",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "\u0011[__21.__2]",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__21.__3]",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f11.5625X-Xf12.1425a-f-1.53261Y-Yf-0.952607',float('11.562451'),float('-1.532607'),float('-inf'),float('12.142451'),float('-0.952607'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                1229.4539453547382,
                -130.49982381687465
            ],
            "name": "r11",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 23
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__19.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__22.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('am-Xf10.6089-Yf-3.11075-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ynaa-f8.26994X-Xf8.84994a-f-3.93259Y-Yf-3.35259',float('7.858900'),float('-5.860750'),float('-inf'),float('13.358900'),float('-0.360750'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                1703.3507916873671,
                -272.07619235042262
            ],
            "name": "d8",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 24
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__24.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__21.__4]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aam-Xf10.6089-Yf-3.11075-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ynaa-f8.26994X-Xf8.84994a-f-3.93259Y-Yf-3.35259naa-f9.06634X-Xf9.64634a-f-1.63113Y-Yf-1.05113',float('7.858900'),float('-5.860750'),float('-inf'),float('13.358900'),float('-0.360750'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                1708.3395210064491,
                -105.81810585748077
            ],
            "name": "d9",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 25
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__25.__2]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__20.__5]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('aaam-Xf10.6089-Yf-3.11075-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-2.2248Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-2.2248Ynaa-f8.26994X-Xf8.84994a-f-3.93259Y-Yf-3.35259naa-f9.06634X-Xf9.64634a-f-1.63113Y-Yf-1.05113niiiiiaa-f12.3694X-Xf12.9494a-f-3.80788Y-Yf-3.26548aa-f12.3882X-Xf12.9306a-f-3.82668Y-Yf-3.24668-r+q-Xf12.3882q-Yf-3.80788f0.0187995-r+q-Xf12.3882q-Yf-3.26548f0.0187995-r+q-Xf12.9306q-Yf-3.80788f0.0187995-r+q-Xf12.9306q-Yf-3.26548f0.0187995',float('7.858900'),float('-5.860750'),float('-inf'),float('13.358900'),float('-0.360750'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                1711.5561725278701,
                41.489656447431656
            ],
            "name": "d10",
            "script": [
                "import fab.types",
                "",
                "title('Difference')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & ~b)",
                ""
            ],
            "uid": 26
        },
        {
            "datums": [
                {
                    "expr": "9.35634348840332",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "-1.3411284886493684",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.58",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "0.58",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f9.06634X-Xf9.64634a-f-1.63113Y-Yf-1.05113',float('9.066343'),float('-1.631128'),float('-inf'),float('9.646343'),float('-1.051129'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                785.98400042913545,
                -426.93601665735866
            ],
            "name": "r8",
            "script": [
                "# Neil Gershenfeld 1/24/15",
                "# Matt Keeter 6/11/15",
                "",
                "import fab",
                "",
                "title('Rectangle (center)')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "xmin, xmax = x0 - width/2, x0 + width/2",
                "ymin, ymax = y0 - height/2, y0 + height/2",
                "",
                "output('shape', fab.shapes.rectangle(xmin, xmax, ymin, ymax))",
                "",
                "def drag_hw(this, x, y, z):",
                "   this.width = abs(2 * (x - this.x0))",
                "   this.height = abs(2 * (y - this.y0))",
                "",
                "# UI",
                "sb.ui.wireframe(",
                "        [(xmin, ymin, 0), (xmax, ymin, 0), (xmax, ymax, 0), (xmin, ymax, 0)],",
                "        close=True)",
                "sb.ui.point(x0, y0)",
                "sb.ui.point(xmax, ymax, drag=drag_hw, relative=False)",
                ""
            ],
            "uid": 21
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__18.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "hue",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "1",
                    "name": "saturation",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1",
                    "name": "brightness",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aaaa-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844naa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436naa-f0.529947X-Xf1.10995a-f-1.98683Y-Yf-1.40683naa-f-0.447016X-Xf0.132984a-f-2.99713Y-Yf-2.41713',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'),color=(255,0,0))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                620.13408527467777,
                1449.2977641574364
            ],
            "name": "s1",
            "script": [
                "import math",
                "import fab",
                "",
                "title('Set color (HSB)')",
                "",
                "input(\"shape\", fab.types.Shape)",
                "input(\"hue\", float)",
                "input(\"saturation\", float)",
                "input(\"brightness\", float)",
                "",
                "# copied from Java's HSBtoRGB",
                "# http://www.docjar.com/html/api/java/awt/Color.java.html",
                "",
                "r = 0",
                "g = 0",
                "b = 0",
                "",
                "if saturation == 0:",
                "  r = g = b = int(brightness * 255.0 + 0.5)",
                "else:",
                "  h = (hue - float(math.floor(hue))) * 6.0",
                "  f = h - float(math.floor(h))",
                "  p = brightness * (1-saturation)",
                "  q = brightness * (1-saturation*f)",
                "  t = brightness * (1-(saturation*(1-f)))",
                "",
                "  h = int(h)",
                "",
                "  if(h==0):",
                "    r = int(brightness * 255.0 + 0.5)",
                "    g = int(t * 255.0 + 0.5)",
                "    b = int(p * 255.0 + 0.5)",
                "  elif(h==1):",
                "    r = int(q * 255.0 + 0.5)",
                "    g = int(brightness * 255.0 + 0.5)",
                "    b = int(p * 255.0 + 0.5)",
                "  elif(h==2):",
                "    r = int(p * 255.0 + 0.5)",
                "    g = int(brightness * 255.0 + 0.5)",
                "    b = int(t * 255.0 + 0.5)",
                "  elif(h==3):",
                "    r = int(p * 255.0 + 0.5)",
                "    g = int(q * 255.0 + 0.5)",
                "    b = int(brightness * 255.0 + 0.5)",
                "  elif(h==4):",
                "    r = int(t * 255.0 + 0.5)",
                "    g = int(p * 255.0 + 0.5)",
                "    b = int(brightness * 255.0 + 0.5)",
                "  elif(h==5):",
                "    r = int(brightness * 255.0 + 0.5)",
                "    g = int(p * 255.0 + 0.5)",
                "    b = int(q * 255.0 + 0.5)",
                "",
                "output(\"out\", fab.shapes.set_color(shape, r, g, b))",
                ""
            ],
            "uid": 27
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__27.__4]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0012fab.types.Shape('aaaa-r+q-Xf0.827648q-Yf-2.69984f1naa-f1.53979X-Xf2.11979a-f-3.00844Y-Yf-2.42844naa-f0.554302X-Xf1.1343a-f-3.98436Y-Yf-3.40436naa-f0.529947X-Xf1.10995a-f-1.98683Y-Yf-1.40683naa-f-0.447016X-Xf0.132984a-f-2.99713Y-Yf-2.41713',float('-0.172352'),float('-3.699839'),float('-inf'),float('1.827648'),float('-1.699839'),float('inf'),color=(255,0,0))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                }
            ],
            "inspector": [
                1185.7087057622975,
                1533.2440160719366
            ],
            "name": "h0",
            "script": [
                "import fab",
                "",
                "title('Heightmap (.png)')",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', shape)",
                "",
                "sb.export.heightmap(shape)",
                ""
            ],
            "uid": 28
        }
    ],
    "protocol": 6,
    "type": "sb"
}