{
    "nodes": [
        {
            "datums": [
                {
                    "expr": "0",
                    "name": "x",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "0",
                    "name": "y",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "0",
                    "name": "z",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "2",
                    "name": "width",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "2",
                    "name": "height",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "\u0012fab.types.Shape('m+f0/*-Xf0f2+*f0-Zf0*f1-f2Z+f0/*-Yf0f2+*f0-Zf0*f1-f2Z_am__f1aa-f-1X-Xf1a-f-1Y-Yf1a-f0Z-Zf2',float('-1.000000'),float('-1.000000'),float('0.000000'),float('1.000000'),float('1.000000'),float('2.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 5
                }
            ],
            "inspector": [
                -331,
                -267
            ],
            "name": "p0",
            "script": [
                "# Neil Gershenfeld 1/24/15 ",
                "# Matt Keeter 5/31/15",
                "",
                "import math",
                "import fab",
                "",
                "title('Pyramid (center)')",
                "",
                "input('x', float)",
                "input('y', float)",
                "input('z', float)",
                "input('width', float)",
                "input('height', float)",
                "",
                "output('shape', fab.shapes.pyramid(x - width/2, x + width/2,",
                "                                   y - width/2, y + width/2,",
                "                                   z, z + height))",
                "",
                "# UI",
                "def drag_w(this, x, y, z):",
                "   dx = x - this.x",
                "   dy = y - this.y",
                "   this.width = math.sqrt(2) * math.sqrt(dx**2 +dy**2)",
                "",
                "sb.ui.wireframe([(x, y, z+height), (x, y, z), (x + width/2, y + width/2, z)])",
                "sb.ui.point(x, y, z)",
                "sb.ui.point(x + width/2, y + width/2, z, drag=drag_w, relative=False)",
                "sb.ui.point(x, y, z + height, drag=(None, None, height))",
                "",
                ""
            ],
            "uid": 0
        },
        {
            "datums": [
                {
                    "expr": "-1",
                    "name": "xmin",
                    "type": "float",
                    "uid": 0
                },
                {
                    "expr": "2",
                    "name": "xmax",
                    "type": "float",
                    "uid": 1
                },
                {
                    "expr": "-1",
                    "name": "ymin",
                    "type": "float",
                    "uid": 2
                },
                {
                    "expr": "2",
                    "name": "ymax",
                    "type": "float",
                    "uid": 3
                },
                {
                    "expr": "-1",
                    "name": "zmin",
                    "type": "float",
                    "uid": 4
                },
                {
                    "expr": "2",
                    "name": "zmax",
                    "type": "float",
                    "uid": 5
                },
                {
                    "expr": "60",
                    "name": "x_period",
                    "type": "float",
                    "uid": 6
                },
                {
                    "expr": "60",
                    "name": "y_period",
                    "type": "float",
                    "uid": 7
                },
                {
                    "expr": "60",
                    "name": "z_period",
                    "type": "float",
                    "uid": 8
                },
                {
                    "expr": "0.2",
                    "name": "thickness",
                    "type": "float",
                    "uid": 9
                },
                {
                    "expr": "\u0012fab.types.Shape('a= abs( sin(X/0.10471975511965977) * sin(Y/0.10471975511965977) * sin(Z/0.10471975511965977) + sin(X/0.10471975511965977) * cos(Y/0.10471975511965977) * cos(Z/0.10471975511965977) + cos(X/0.10471975511965977) * sin(X/0.10471975511965977) * cos(Z/0.10471975511965977) + cos(X/0.10471975511965977) * cos(Y/0.10471975511965977) * sin(Z/0.10471975511965977)) - 0.2;am__f1aa-f-1X-Xf2a-f-1Y-Yf2a-f-1Z-Zf2',float('-1.000000'),float('-1.000000'),float('-1.000000'),float('2.000000'),float('2.000000'),float('2.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 10
                }
            ],
            "inspector": [
                -328,
                -40
            ],
            "name": "s0",
            "script": [
                "import fab",
                "import math",
                "",
                "#http://en.wikipedia.org/wiki/Schwarz_minimal_surface",
                "title('Schwarz Diamond')",
                "",
                "input('xmin', float)",
                "input('xmax', float)",
                "input('ymin', float)",
                "input('ymax', float)",
                "input('zmin', float)",
                "input('zmax', float)",
                "",
                "input('x_period', float)",
                "input('y_period', float)",
                "input('z_period', float)",
                "input('thickness', float)",
                "",
                "x_factor = 2 * math.pi / x_period",
                "y_factor = 2 * math.pi / y_period",
                "z_factor = 2 * math.pi / z_period",
                "",
                "fn = \"= abs( sin(X/%(x_factor)s) * sin(Y/%(y_factor)s) * sin(Z/%(z_factor)s) + sin(X/%(x_factor)s) * cos(Y/%(y_factor)s) * cos(Z/%(z_factor)s) + cos(X/%(x_factor)s) * sin(X/%(x_factor)s) * cos(Z/%(z_factor)s) + cos(X/%(x_factor)s) * cos(Y/%(y_factor)s) * sin(Z/%(z_factor)s)) - %(thickness)s;\" % locals()",
                "",
                "output('shape', fab.shapes.function_prefix_xyz(fn, xmin, xmax,",
                "                                                   ymin, ymax,",
                "                                                   zmin, zmax))",
                ""
            ],
            "uid": 1
        },
        {
            "datums": [
                {
                    "expr": "\u0011[__0.__5]",
                    "name": "a",
                    "type": "_fabtypes.Shape",
                    "uid": 0
                },
                {
                    "expr": "\u0011[__1.__10]",
                    "name": "b",
                    "type": "_fabtypes.Shape",
                    "uid": 1
                },
                {
                    "expr": "\u0012fab.types.Shape('am+f0/*-Xf0f2+*f0-Zf0*f1-f2Z+f0/*-Yf0f2+*f0-Zf0*f1-f2Z_am__f1aa-f-1X-Xf1a-f-1Y-Yf1a-f0Z-Zf2a= abs( sin(X/0.10471975511965977) * sin(Y/0.10471975511965977) * sin(Z/0.10471975511965977) + sin(X/0.10471975511965977) * cos(Y/0.10471975511965977) * cos(Z/0.10471975511965977) + cos(X/0.10471975511965977) * sin(X/0.10471975511965977) * cos(Z/0.10471975511965977) + cos(X/0.10471975511965977) * cos(Y/0.10471975511965977) * sin(Z/0.10471975511965977)) - 0.2;am__f1aa-f-1X-Xf2a-f-1Y-Yf2a-f-1Z-Zf2',float('-1.000000'),float('-1.000000'),float('0.000000'),float('1.000000'),float('1.000000'),float('2.000000'))",
                    "name": "shape",
                    "type": "_fabtypes.Shape",
                    "uid": 2
                }
            ],
            "inspector": [
                2,
                -112
            ],
            "name": "i0",
            "script": [
                "import fab.types",
                "",
                "title('Intersection')",
                "input('a', fab.types.Shape)",
                "input('b', fab.types.Shape)",
                "",
                "output('shape', a & b)",
                ""
            ],
            "uid": 2
        }
    ],
    "protocol": 6,
    "type": "sb"
}