{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "5",
                    "name": "N",
                    "type": "int",
                    "uid": 2
                },
                {
                    "expr": "2",
                    "name": "r",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('m-Xf0-Yf0-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-1.61803Y',float('-2.000000'),float('-2.000000'),float('-inf'),float('2.000000'),float('2.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -553.07094874595441,
                -242.73777479276771
            ],
            "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",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__0.__3]",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.40",
                    "name": "width",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "2.0",
                    "name": "height",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('aa-f-0.2X-Xf0.2a-f1Y-Yf3',float('-0.200000'),float('1.000000'),float('-inf'),float('0.200000'),float('3.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                -367,
                -43
            ],
            "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": "-0.016402363777160645",
                    "name": "x0",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "1.5924838185310364",
                    "name": "y0",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.7511880159378052",
                    "name": "x1",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1.9473177194595337",
                    "name": "y1",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "-0.703569084405899",
                    "name": "x2",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "2.015152931213379",
                    "name": "y2",
                    "type": "float",
                    "uid": 5
                },
                {
                    "expr": "\u0012fab.types.Shape('ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515',float('-0.703569'),float('1.592484'),float('-inf'),float('0.751188'),float('2.015153'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 6
                }
            ],
            "inspector": [
                -50,
                -221
            ],
            "name": "t0",
            "script": [
                "import fab",
                "",
                "title('Triangle')",
                "",
                "input('x0', float)",
                "input('y0', float)",
                "input('x1', float)",
                "input('y1', float)",
                "input('x2', float)",
                "input('y2', float)",
                "",
                "output('shape', fab.shapes.triangle(x0, y0, x1, y1, x2, y2))",
                "",
                "# UI",
                "sb.ui.wireframe([(x0, y0, 0), (x1, y1, 0), (x2, y2, 0)], close=True)",
                "sb.ui.point(x0, y0, 0)",
                "sb.ui.point(x1, y1, 0)",
                "sb.ui.point(x2, y2, 0)",
                ""
            ],
            "uid": 2
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__1.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__2.__6]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515',float('-0.703569'),float('1.000000'),float('-inf'),float('0.751188'),float('3.000000'),float('inf'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                277,
                -242
            ],
            "name": "u0",
            "script": [
                "import fab.types",
                "",
                "title('Union')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a | b)",
                ""
            ],
            "uid": 3
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__3.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "x",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0.0",
                    "name": "y",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "\u0011[__0.__2]",
                    "name": "n",
                    "type": "int",
                    "uid": 3
                },
                {
                    "expr": "\u0012fab.types.Shape('iiiim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515',float('-3.070586'),float('-2.868588'),float('-inf'),float('3.085301'),float('3.000000'),float('inf'))",
                    "name": "array",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                }
            ],
            "inspector": [
                623.6502106228869,
                -240.66734383241072
            ],
            "name": "a0",
            "script": [
                "import fab",
                "import math",
                "",
                "title('Array (polar)')",
                "",
                "input('shape', fab.types.Shape)",
                "input('x', float)",
                "input('y', float)",
                "input('n', int)",
                "",
                "output('array', fab.shapes.iterate_polar(shape, x, y, n))",
                "",
                "# UI",
                "sb.ui.wireframe([",
                "    (math.cos(i/36. * 2*math.pi) * 0.3 + x,",
                "     math.sin(i/36. * 2*math.pi) * 0.3 + y, 0)",
                "    for i in range(36)], close=True, color=sb.color.teal)",
                "",
                "sb.ui.point(x, y, 0, color=sb.color.teal)",
                ""
            ],
            "uid": 4
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__4]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
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                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
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                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                846.94532170143293,
                17.196859323886962
            ],
            "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": "shape",
                    "type": "_fabtypes.Shape",
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                },
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                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                }
            ],
            "inspector": [
                1080.535994184231,
                226.42531443117835
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            "name": "h0",
            "script": [
                "import fab",
                "",
                "title('Heightmap (.png)')",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', shape)",
                "",
                "sb.export.heightmap(shape)",
                ""
            ],
            "uid": 6
        },
        {
            "datums": [
                {
                    "expr": "0.0",
                    "name": "_x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0.0",
                    "name": "_y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0",
                    "name": "zmin",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "1",
                    "name": "zmax",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "\u0011[__5.__2]",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('am__f1am-Xf0-Yf0-Zf0aaaam-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf0-Yf0-Zf0-f-1.61803Ym-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf0-Yf0-Zf0-f-1.61803Yniiiim-Xf0-Yf0-Zf0m+*f1X*f0Y+*f-0X*f1Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f0.309017X*f0.951057Y+*f-0.951057X*f0.309017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f-0.809017X*f0.587785Y+*f-0.587785X*f-0.809017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f-0.809017X*f-0.587785Y+*f0.587785X*f-0.809017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515m-Xf0-Yf0-Zf0m+*f0.309017X*f-0.951057Y+*f0.951057X*f0.309017Y_m-Xf-0-Yf-0-Zf0iaa-f-0.2X-Xf0.2a-f1Y-Yf3ni-*f-0.354834-Xf0.751188*f-0.76759-Yf1.94732i-*f0.422669-Xf-0.0164024*f-0.687167-Yf1.59248-*f-0.0678352-Xf-0.703569*f1.45476-Yf2.01515a-f0Z-Zf1',float('-2.000000'),float('-2.000000'),float('0.000000'),float('2.000000'),float('2.000000'),float('1.000000'))",
                    "name": "out",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                956.24950461130311,
                -324.72175740660475
            ],
            "name": "e0",
            "script": [
                "import fab",
                "",
                "title('Extrude')",
                "",
                "input('_x', float)",
                "input('_y', float)",
                "input('zmin', float)",
                "input('zmax', float)",
                "",
                "input('shape', fab.types.Shape)",
                "output('out', fab.shapes.extrude_z(shape, zmin, zmax))",
                "",
                "# UI",
                "sb.ui.wireframe([(_x, _y, zmin), (_x, _y, zmax)], color=sb.color.green)",
                "sb.ui.point(_x, _y, zmin, color=sb.color.green)",
                "sb.ui.point(_x, _y, zmax, color=sb.color.green)",
                "",
                ""
            ],
            "uid": 7
        }
    ],
    "protocol": 6,
    "type": "sb"
}