remove openscad utils

src/c3nav/mapdata/utils/scad.py

@@ -1,41 +0,0 @@
-import json
-from decimal import Decimal
-
-from shapely.geometry import mapping
-
-from c3nav.mapdata.utils.geometry import assert_multipolygon
-
-
-def polygon_scad(polygon, height):
-    results = [_polygon_scad(polygon, height=height) for polygon in assert_multipolygon(polygon)]
-    if not results:
-        raise ValueError
-    if len(results) == 1:
-        return results[0]
-    return 'union() {\n'+add_indent(''.join(results))+'}\n'
-
-
-def _polygon_scad(polygon, height):
-    coords = mapping(polygon.simplify(0.001))['coordinates']
-
-    exterior = coords[0]
-    interiors = coords[1:]
-    result = 'linear_extrude(height=%.2f, center=false, convexity=20) ' % height
-    result += _ring_scad(exterior)
-    if interiors:
-        result = 'difference() {\n'+add_indent(result)
-        result += '    translate([0, 0, -0.01]) {\n'
-        for ring in interiors:
-            result += '        linear_extrude(height=%.2f, center=false, convexity=20) ' % (height+Decimal('0.02'))
-            result += _ring_scad(ring)
-        result += '    }\n'
-        result += '}\n'
-    return result
-
-
-def _ring_scad(coords):
-    return 'polygon(points='+json.dumps(coords[:-1], separators=(',', ':'))+', convexity=20);\n'
-
-
-def add_indent(text):
-    return '    '+text.replace('\n', '\n    ')[:(-4 if text.endswith('\n') else None)]