def test_DRep(self):
myContext = gem.initialize()
gem.setAttribute(myContext, "CONTEXT", 0, "Modeler", "OpenCASCADE")
myModel = gem.loadModel(myContext, sample_file)
myDRep = gem.newDRep(myModel)
gem.tesselDRep(myDRep, 0, 0, 0, 0)
iface = 1
triArray, xyzArray = gem.getTessel(myDRep, 1, 1)
npnt = (xyzArray.shape)[0]
ntri = (triArray.shape)[0]
# make sure that triangle pointers are consistent
for itri in range(1, ntri + 1):
for iside in [0, 1, 2]:
jtri = triArray[itri - 1, iside]
if not ((jtri > 0) and (jtri <= npnt)):
self.fail("jtri not in (0 to %d)" % npnt)
gem.destroyDRep(myDRep)
gem.releaseModel(myModel)
gem.terminate(myContext)
foo = gem.getShell(myBRep, ishell)
type = foo[0] ;print ". . type ->", type
faces = foo[1] ;print ". . faces ->", faces
nattr = foo[2]
for iattr in range(1, nattr+1):
dum = 0 ;print ". . iattr ->", iattr
foo = gem.getAttribute(myBRep, "SHELL", ishell, iattr)
aname = foo[0] ;print ". . . aname ->", aname
values = foo[1] ;print ". . . values->", values
foo = gem.getMassProps(myBRep, "SHELL", ishell)
area = foo[ 1] ;print ". . area ->", area
# set up a DRep for myModel
myDRep = gem.newDRep(myModel) ;print "myDRep ->", myDRep
maxang = 0;
maxlen = 0;
maxsag = 0;
gem.tesselDRep(myDRep, 0, maxang, maxlen, maxsag);
# get tessellation associated with the first Face of each DRep
for ibrep in range(1, len(myBReps)+1):
dum = 0 ;print ". ibrep ->", ibrep
iface = 1 ;print ". . iface ->", iface
foo = gem.getTessel(myDRep, ibrep, iface)
xyz = foo[0] ;print ". . xyz --->\n", xyz
uv = foo[1] ;print ". . uv --->\n", uv
conn = foo[2] ;print ". . conn --->\n", conn
import numpy
from pygem_quartz import gem
# allow printing of entire arrays
numpy.set_printoptions(threshold=100)
# initialize the context, load the model, and get the first BRep
myContext = gem.initialize()
myModel = gem.loadModel(myContext, "sample.csm")
foo = gem.getModel(myModel)
myBRep = foo[4][0]
# plot initial configuration
print "plotting initial configuration..."
myDRep = gem.newDRep(myModel)
gem.tesselDRep(myDRep, 0, 0, 0, 0)
gem.plotDRep(myDRep);
gem.destroyDRep(myDRep)
# "optimization" loop to vary "ymax" to drive the "volume" to a specified value
volume_target = 15
dvoldymax = 8
for iter in range(100):
print "---------------------"
print "iter =", iter
# get current design variable
foo = gem.getParam(myModel, 4)
ymax = foo[3][0]