def setShape( self, matrix4By4 ): "Set the shape of this carvable object info." self.triangleMesh = triangle_mesh.TriangleMesh() vertexElement = self.object.getFirstChildWithClassName( 'vertex' ) vertexPointElements = vertexElement.getChildrenWithClassName( 'bf:Elem' ) for vertexPointElement in vertexPointElements: coordinateElement = vertexPointElement.getFirstChildWithClassName( 'r' ) vertex = Vector3( float( coordinateElement.attributeTable[ 'x' ] ), float( coordinateElement.attributeTable[ 'y' ] ), float( coordinateElement.attributeTable[ 'z' ] ) ) self.triangleMesh.vertices.append( getVector3TransformedByMatrix( matrix4By4.matrix, vertex ) ) edgeElement = self.object.getFirstChildWithClassName( 'edge' ) edgeSubelements = edgeElement.getChildrenWithClassName( 'bf:Elem' ) for edgeSubelementIndex in xrange( len( edgeSubelements ) ): edgeSubelement = edgeSubelements[ edgeSubelementIndex ] vertexIndexes = [ int( edgeSubelement.attributeTable[ 'v1' ] ), int( edgeSubelement.attributeTable[ 'v2' ] ) ] edge = triangle_mesh.Edge().getFromVertexIndexes( edgeSubelementIndex, vertexIndexes ) self.triangleMesh.edges.append( edge ) faceElement = self.object.getFirstChildWithClassName( 'face' ) faceSubelements = faceElement.getChildrenWithClassName( 'bf:Elem' ) for faceSubelementIndex in xrange( len( faceSubelements ) ): faceSubelement = faceSubelements[ faceSubelementIndex ] edgeIndexes = [ int( faceSubelement.attributeTable[ 'e1' ] ), int( faceSubelement.attributeTable[ 'e2' ] ), int( faceSubelement.attributeTable[ 'e3' ] ) ] face = triangle_mesh.Face().getFromEdgeIndexes( edgeIndexes, self.triangleMesh.edges, faceSubelementIndex ) self.triangleMesh.faces.append( face ) self.bottom = getBottom( self.triangleMesh.vertices ) self.top = getTop( self.triangleMesh.vertices )
def getCarving(fileName=''):
"Get the triangle mesh for the stl file."
if fileName == '':
unmodified = gcodec.getFilesWithFileTypeWithoutWords('stl')
if len(unmodified) == 0:
print("There is no stl file in this folder.")
return None
fileName = unmodified[0]
stlData = gcodec.getFileText(fileName, 'rb')
if stlData == '':
return None
triangleMesh = triangle_mesh.TriangleMesh()
vertexIndexTable = {}
binarySolidworksHeaderErrorString = 'solid binary STL from Solid Edge, Unigraphics Solutions Inc.'
binarySolidworksHeaderError = stlData[:len(
binarySolidworksHeaderErrorString
)] == binarySolidworksHeaderErrorString
if binarySolidworksHeaderError:
print('The solidworks file has the incorrect header:')
print(binarySolidworksHeaderErrorString)
print(
'A binary stl should never start with the word "solid". Because this error is common the file is been parsed as binary regardless.'
)
if (stlData[:5] == 'solid' and not binarySolidworksHeaderError):
addFacesGivenText(stlData, triangleMesh, vertexIndexTable)
else:
addFacesGivenBinary(stlData, triangleMesh, vertexIndexTable)
triangleMesh.setEdgesForAllFaces()
return triangleMesh
def getCarving( fileName = '' ): "Get the triangle mesh for the gts file." if fileName == '': unmodified = gcodec.getFilesWithFileTypeWithoutWords( 'gts' ) if len( unmodified ) == 0: print( "There is no gts file in this folder." ) return None fileName = unmodified[ 0 ] return getFromGNUTriangulatedSurfaceText( gcodec.getFileText( fileName ), triangle_mesh.TriangleMesh() )
def setBottomTopTriangleMesh( self, edgeTriples, matrix4By4, vertexPairs, vertices ): "Set the bottom, top and triangle mesh of this carvable object info." self.triangleMesh = triangle_mesh.TriangleMesh() for vertex in vertices: self.triangleMesh.vertices.append( getVector3TransformedByMatrix( matrix4By4.matrix, vertex ) ) for vertexPairsIndex in xrange( len( vertexPairs ) ): vertexPair = vertexPairs[ vertexPairsIndex ] edge = triangle_mesh.Edge().getFromVertexIndexes( vertexPairsIndex, vertexPair ) self.triangleMesh.edges.append( edge ) for edgeTriplesIndex in xrange( len( edgeTriples ) ): edgeTriple = edgeTriples[ edgeTriplesIndex ] face = triangle_mesh.Face().getFromEdgeIndexes( edgeTriple, self.triangleMesh.edges, edgeTriplesIndex ) self.triangleMesh.faces.append( face ) self.bottom = getBottom( self.triangleMesh.vertices ) self.top = getTop( self.triangleMesh.vertices )
def getCarving(fileName=''):
"Get the triangle mesh for the obj file."
if fileName == '':
unmodified = gcodec.getFilesWithFileTypeWithoutWords('obj')
if len(unmodified) == 0:
print("There is no obj file in this folder.")
return None
fileName = unmodified[0]
objText = gcodec.getFileText(fileName, 'rb')
if objText == '':
return None
triangleMesh = triangle_mesh.TriangleMesh()
addFacesGivenText(objText, triangleMesh)
triangleMesh.setEdgesForAllFaces()
return triangleMesh
def getCarving( fileName = '' ):
"Get the triangle mesh for the stl file."
if fileName == '':
unmodified = gcodec.getFilesWithFileTypeWithoutWords( 'stl' )
if len( unmodified ) == 0:
print( "There is no stl file in this folder." )
return None
fileName = unmodified[ 0 ]
stlData = gcodec.getFileText( fileName, 'rb' )
if stlData == '':
return None
triangleMesh = triangle_mesh.TriangleMesh()
vertexIndexTable = {}
numberOfVertexStrings = stlData.count( 'vertex' )
requiredVertexStringsForText = max( 2, len( stlData ) / 8000 )
if numberOfVertexStrings > requiredVertexStringsForText:
addFacesGivenText( stlData, triangleMesh, vertexIndexTable )
else:
# A binary stl should never start with the word "solid". Because this error is common the file is been parsed as binary regardless.
addFacesGivenBinary( stlData, triangleMesh, vertexIndexTable )
triangleMesh.setEdgesForAllFaces()
return triangleMesh