kopia lustrzana https://github.com/vilemduha/blendercam
Simplified datapoints in a chunk to avoid Shapely error - shapely.geos.TopologicalError: The operation 'GEOSDifference_r' produced a null geometry. Likely cause is invalidity of the geometry - should fix problems like this: https://github.com/vilemnovak/blendercam/issues/24
Jroc
rodzic
4163b8d879
commit
cd4a931002
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@ -17,3 +17,4 @@ config/bookmarks.txt
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config/recent-files.txt
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scripts/addons_contrib/add_mesh_rocks/add_mesh_rocks.xml
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scripts/addons_contrib/online_mat_lib/material-library/bundled/cycles/wood/rough_pine.bcm
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acp
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@ -740,8 +740,125 @@ def chunksToShapely(chunks):#this does more cleve chunks to Poly with hierarchie
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print('addparent')
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#polygon_utils_cam.shapelyToCurve('crust',ch.parents[0].poly,0)
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#polygon_utils_cam.shapelyToCurve('hole',ch.poly,0)
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ch.parents[0].poly = ch.parents[0].poly.difference(ch.poly)#sgeometry.Polygon( ch.parents[0].poly, ch.poly)
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try:
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ch.parents[0].poly = ch.parents[0].poly.difference(ch.poly)#sgeometry.Polygon( ch.parents[0].poly, ch.poly)
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except:
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print('chunksToShapely oops!')
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lastPt = False
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tolerance = 0.0000003
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newPoints = []
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for pt in ch.points:
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toleranceXok = True
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toleranceYok = True
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#print( '{0:.9f}, {1:.9f}, {2:.9f}'.format(pt[0], pt[1], pt[2]) )
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#print(pt)
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if lastPt:
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#print( 'Distance Vector: {0:.9f}, {1:.9f}'.format(abs(pt[0] - lastPt[0]), abs(pt[1] - lastPt[1])) )
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#print( 'pt[0] is {} tolerance'.format( 'OUT of' if abs( pt[0] - lastPt[0] ) < tolerance else 'IN' ) )
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#print( 'pt[1] is {} tolerance'.format( 'OUT of' if abs( pt[1] - lastPt[1] ) < tolerance else 'IN' ) )
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if ( abs( pt[0] - lastPt[0] ) < tolerance ):
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toleranceXok = False
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if ( abs( pt[1] - lastPt[1] ) < tolerance ):
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toleranceYok = False
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if ( toleranceXok or toleranceYok ):
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#print('point ok, including')
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#ch.points.remove( pt )
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newPoints.append( pt )
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lastPt = pt
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else:
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newPoints.append( pt )
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lastPt = pt
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toleranceXok = True
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toleranceYok = True
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if ( abs( newPoints[0][0] - lastPt[0] ) < tolerance ):
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toleranceXok = False
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if ( abs( newPoints[0][1] - lastPt[1] ) < tolerance ):
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toleranceYok = False
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if ( not toleranceXok and not toleranceYok ):
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newPoints.pop()
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#print('starting and ending points too close, removing ending point')
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#if ( abs( lastPt[0] - ch.points[0][0] ) < tolerance ):
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#if ( abs( lastPt[1] - ch.points[0][1] ) < tolerance ):
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#newPoints.pop()
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#print('starting and ending points too close, removing ending point')
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ch.points = newPoints
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ch.poly = sgeometry.Polygon(ch.points)
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try:
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ch.parents[0].poly = ch.parents[0].poly.difference(ch.poly)#sgeometry.Polygon( ch.parents[0].poly, ch.poly)
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except:
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#print('chunksToShapely double oops!')
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lastPt = False
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tolerance = 0.0000003
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newPoints = []
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for pt in ch.parents[0].points:
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toleranceXok = True
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toleranceYok = True
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#print( '{0:.9f}, {0:.9f}, {0:.9f}'.format(pt[0], pt[1], pt[2]) )
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#print(pt)
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if lastPt:
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#print( 'Distance Vector: {0:.9f}, {0:.9f}'.format((pt[0] - lastPt[0]), (pt[1] - lastPt[1])) )
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if ( abs( pt[0] - lastPt[0] ) < tolerance ):
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toleranceXok = False
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if ( abs( pt[1] - lastPt[1] ) < tolerance ):
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toleranceYok = False
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if ( toleranceXok or toleranceYok ):
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#print('point ok, including')
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#ch.points.remove( pt )
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newPoints.append( pt )
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lastPt = pt
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else:
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newPoints.append( pt )
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lastPt = pt
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toleranceXok = True
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toleranceYok = True
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if ( abs( newPoints[0][0] - lastPt[0] ) < tolerance ):
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toleranceXok = False
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if ( abs( newPoints[0][1] - lastPt[1] ) < tolerance ):
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toleranceYok = False
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if ( not toleranceXok and not toleranceYok ):
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newPoints.pop()
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#print('starting and ending points too close, removing ending point')
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#if ( abs( lastPt[0] - ch.parents[0].points[0][0] ) < tolerance ):
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#if ( abs( lastPt[1] - ch.parents[0].points[0][1] ) < tolerance ):
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#newPoints.pop()
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#print('starting and ending points too close, removing ending point')
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ch.parents[0].points = newPoints
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ch.parents[0].poly = sgeometry.Polygon(ch.parents[0].points)
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ch.parents[0].poly = ch.parents[0].poly.difference(ch.poly)#sgeometry.Polygon( ch.parents[0].poly, ch.poly)
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#p=spolygon.Polygon(ch.points)
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#p.simplify(1.0, preserve_topology=False)
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#sc=shapelyToChunks(p,0)
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#pParent=spolygon.Polygon(ch.parents[0].points)
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#pParent.simplify(1.0, preserve_topology=False)
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#scParent=shapelyToChunks(pParent,0)
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#ch.parents[0].poly = scParent[0].poly.difference(sc[0].poly)
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#print('points dumped.!')
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returnpolys=[]
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@ -759,6 +876,7 @@ def chunksToShapely(chunks):#this does more cleve chunks to Poly with hierarchie
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return returnpolys
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def meshFromCurveToChunk(object):
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