def test_BRep(self):
myContext = gem.initialize()
gem.setAttribute(myContext, "CONTEXT", 0, "Modeler", "OpenCASCADE")
myModel = gem.loadModel(myContext, sample_file)
server, filename, modeler, uptodate, myBReps, nparam, nbranch, nattr = gem.getModel(myModel)
self.assertEqual(nattr, 0)
for myBRep in myBReps:
box, type, nnode, nedge, nloop, nface, nshell, nattr = gem.getBRepInfo(myBRep)
# check that all nodes are in box
for inode in range(1, nnode + 1):
xyz, nattr = gem.getNode(myBRep, inode)
self.assertEqual(nattr, 0)
self.assertTrue(xyz[0] >= box[0], "x[%d] < box[0]" % inode)
self.assertTrue(xyz[1] >= box[1], "y[%d] < box[1]" % inode)
self.assertTrue(xyz[2] >= box[2], "z[%d] < box[2]" % inode)
self.assertTrue(xyz[0] <= box[3], "x[%d] > box[3]" % inode)
self.assertTrue(xyz[1] <= box[4], "y[%d] > box[4]" % inode)
self.assertTrue(xyz[2] <= box[5], "z[%d] > box[5]" % inode)
# check consistency of all loops
for iloop in range(1, nloop + 1):
iface, type, edges, nattr = gem.getLoop(myBRep, iloop)
self.assertEqual(nattr, 0, "iloop=%d" % iloop)
# loop and face point to each other
ID, uvbox, norm, loops, nattr = gem.getFace(myBRep, iface)
self.assertTrue(iloop in loops, "iloop=%d, iface=%d" % (iloop, iface))
# edge and face point to each other
for i in range(len(edges)):
tlimit, nodes, faces, nattr = gem.getEdge(myBRep, edges[i])
self.assertTrue(iface in faces, "iloop-%d, i=%d" % (iloop, i))
# edges link end-to-end in loop
tlimit, nodes, faces, nattr = gem.getEdge(myBRep, edges[0])
iend = nodes[1]
for i in range(1, len(edges)):
tlimit, nodes, faces, nattr = gem.getEdge(myBRep, edges[i])
self.assertEqual(iend, nodes[0], "iloop=%d, i=%d" % (iloop, i))
iend = nodes[1]
# check consistency of all shells
for ishell in range(1, nshell + 1):
type, faces, nattr = gem.getShell(myBRep, ishell)
self.assertEqual(nattr, 0)
gem.releaseModel(myModel)
gem.terminate(myContext)
foo = gem.getLoop(myBRep, iloop)
face = foo[0] ;print ". . face ->", face
type = foo[1] ;print ". . type ->", type
edges = foo[2] ;print ". . edges ->", edges
nattr = foo[3]
for iattr in range(1, nattr+1):
dum = 0 ;print ". . iattr ->", iattr
foo = gem.getAttribute(myBRep, "LOOP", iloop, iattr)
aname = foo[0] ;print ". . . aname ->", aname
values = foo[1] ;print ". . . values->", values
# get information about each of the Faces
for iface in range(1, nface+1):
dum = 0 ;print ". iface ->", iface
foo = gem.getFace(myBRep, iface)
ID = foo[0] ;print ". . ID ->", ID
uvbox = foo[1] ;print ". . uvbox ->", uvbox
norm = foo[2] ;print ". . norm ->", norm
loops = foo[3] ;print ". . loops ->", loops
nattr = foo[4]
for iattr in range(1, nattr+1):
dum = 0 ;print ". . iattr ->", iattr
foo = gem.getAttribute(myBRep, "FACE", iface, iattr)
aname = foo[0] ;print ". . . aname ->", aname
values = foo[1] ;print ". . . values->", values
foo = gem.getMassProps(myBRep, "FACE", iface)
area = foo[ 1] ;print ". . area ->", area