def read_step_file_shapes(filename):
_shapes = []
# create an handle to a document
h_doc = TDocStd_Document()
# Create the application
app = XCAFApp_Application.GetApplication().GetObject()
app.NewDocument(TCollection_ExtendedString("MDTV-CAF"), h_doc)
# Get root assembly
doc = h_doc.GetObject()
h_shape_tool = XCAFDoc_DocumentTool_ShapeTool(doc.Main())
step_reader = STEPCAFControl_Reader()
step_reader.SetNameMode(True)
status = step_reader.ReadFile(filename)
if status == IFSelect_RetDone:
step_reader.Transfer(doc)
labels = TDF_LabelSequence()
shape_tool = h_shape_tool.GetObject()
h_shape_tool.GetObject().GetFreeShapes(labels)
print("Number of shapes at root :%i" % labels.Length())
for i in range(labels.Length()):
label = labels.Value(i + 1)
a_shape = h_shape_tool.GetObject().GetShape(label)
_shapes.append(a_shape)
return _shapes
def test_read_step_file(self) -> None:
"""Reads the previous step file"""
# create an handle to a document
doc = TDocStd_Document(TCollection_ExtendedString("pythonocc-doc"))
# Get root assembly
shape_tool = XCAFDoc_DocumentTool.ShapeTool(doc.Main())
l_colors = XCAFDoc_DocumentTool.ColorTool(doc.Main())
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile("./test_io/test_ocaf.stp")
if status == IFSelect_RetDone:
step_reader.Transfer(doc)
labels = TDF_LabelSequence()
color_labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
self.assertEqual(labels.Length(), 1)
sub_shapes_labels = TDF_LabelSequence()
self.assertFalse(shape_tool.IsAssembly(labels.Value(1)))
shape_tool.GetSubShapes(labels.Value(1), sub_shapes_labels)
self.assertEqual(sub_shapes_labels.Length(), 0)
l_colors.GetColors(color_labels)
self.assertEqual(color_labels.Length(), 1)
label_shp = labels.Value(1)
a_shape = shape_tool.GetShape(label_shp)
self.assertFalse(a_shape.IsNull())
def _get_shapes():
labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
print("Number of shapes at root: ", labels.Length())
for i in range(labels.Length()):
root_item = labels.Value(i + 1)
print('Root item: ', root_item)
_get_sub_shapes(root_item, None)
def _get_shapes():
labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
#global cnt
#cnt += 1
print()
print("Number of shapes at root :", labels.Length())
print()
for i in range(labels.Length()):
root_item = labels.Value(i + 1)
_get_sub_shapes(root_item, None)
def find_components(self, comps):
"""Discover components from comps (LabelSequence) of an assembly.
Components of an assembly are, by definition, references which refer
to either a shape or another assembly. Components are essentially
'instances' of the referred shape or assembly, and carry a location
vector specifing the location of the referred shape or assembly.
"""
for j in range(comps.Length()):
c_label = comps.Value(j + 1) # component label <class 'TDF_Label'>
c_name = c_label.GetLabelName()
c_entry = c_label.EntryDumpToString()
ref_label = TDF_Label() # label of referred shape (or assembly)
is_ref = self.shape_tool.GetReferredShape(c_label, ref_label)
if is_ref: # just in case all components are not references
ref_entry = ref_label.EntryDumpToString()
ref_name = ref_label.GetLabelName()
indent = "\t" * self.indent
self.output += f"{self.uid}{indent}[{c_entry}] {c_name}"
self.output += f" => [{ref_entry}] {ref_name}\n"
self.uid += 1
if self.shape_tool.IsAssembly(ref_label):
self.indent += 1
ref_comps = TDF_LabelSequence() # Components of Assy
subchilds = False
_ = self.shape_tool.GetComponents(ref_label, ref_comps,
subchilds)
if ref_comps.Length():
self.find_components(ref_comps)
self.indent -= 1
def _get_shapes():
labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
#global cnt
#cnt += 1
print()
print("Number of shapes at root :", labels.Length())
print()
root = labels.Value(1)
_get_sub_shapes(root, None)
def getShapes():
labels = TDF_LabelSequence()
h_shape_tool.GetObject().GetFreeShapes(labels)
global cnt
cnt += 1
print()
print("Number of shapes at root :", labels.Length())
print()
root = labels.Value(1)
getSubShapes(root, None)
def dump(self):
"""Return assembly structure in indented outline form.
Format of lines:
Component Name [entry] => Referred Label Name [entry]
Components are shown indented w/r/t line above."""
if self.fname:
self.output += f"Assembly structure of file: {self.fname}\n\n"
else:
self.output += "Assembly structure of doc:\n\n"
self.indent = 0
# Find root label of step doc
labels = TDF_LabelSequence()
self.shape_tool.GetShapes(labels)
nbr = labels.Length()
rootlabel = labels.Value(1) # First label at root
# Get information from root label
name = rootlabel.GetLabelName()
entry = rootlabel.EntryDumpToString()
uid = self.get_uid_from_entry(entry)
is_assy = self.shape_tool.IsAssembly(rootlabel)
if is_assy:
# If 1st label at root holds an assembly, it is the Top Assy.
# Through this label, the entire assembly is accessible.
# There is no need to explicitly examine other labels at root.
self.output += f"{uid}\t[{entry}] {name}\t"
self.indent += 2
top_comps = TDF_LabelSequence() # Components of Top Assy
subchilds = False
is_assy = self.shape_tool.GetComponents(rootlabel, top_comps,
subchilds)
self.output += f"Number of labels at root = {nbr}\n"
if top_comps.Length():
self.find_components(top_comps)
return self.output
def test_read_step_file(self):
''' Reads the previous step file '''
# create an handle to a document
h_doc = Handle_TDocStd_Document()
# Create the application
app = XCAFApp_Application.GetApplication().GetObject()
app.NewDocument(TCollection_ExtendedString("MDTV-CAF"), h_doc)
# Get root assembly
doc = h_doc.GetObject()
h_shape_tool = XCAFDoc_DocumentTool_ShapeTool(doc.Main())
l_colors = XCAFDoc_DocumentTool_ColorTool(doc.Main())
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile("./test_io/test_ocaf.stp")
if status == IFSelect_RetDone:
step_reader.Transfer(doc.GetHandle())
labels = TDF_LabelSequence()
color_labels = TDF_LabelSequence()
shape_tool = h_shape_tool.GetObject()
h_shape_tool.GetObject().GetFreeShapes(labels)
assert (labels.Length() == 1)
sub_shapes_labels = TDF_LabelSequence()
assert (not shape_tool.IsAssembly(labels.Value(1)))
shape_tool.GetSubShapes(labels.Value(1), sub_shapes_labels)
assert (sub_shapes_labels.Length() == 0)
l_colors.GetObject().GetColors(color_labels)
assert (color_labels.Length() == 1)
label_shp = labels.Value(1)
a_shape = h_shape_tool.GetObject().GetShape(label_shp)
assert (not a_shape.IsNull())
def read_step_file_with_attribute(filename):
"""
Read a step file and returns a shape (geometrical information). This uses the XDE of OCCD
and will also be able to extract the attribute information such as colour or name or layer.
"""
h_doc = Handle_TDocStd_Document()
# print "Empty Doc?", h_doc.IsNull()
### Create the application
app = XCAFApp_Application.GetApplication().GetObject()
app.NewDocument(TCollection_ExtendedString("MDTV-CAF"), h_doc)
### Get tools, here only enable the colour attribute
doc = h_doc.GetObject()
h_shape_tool = XCAFDoc_DocumentTool_ShapeTool(doc.Main())
h_colour_tool = XCAFDoc_DocumentTool_ColorTool(doc.Main())
# l_Layers = XCAFDoc_DocumentTool_LayerTool(doc.Main())
# l_materials = XCAFDoc_DocumentTool_MaterialTool(doc.Main())
shape_tool = h_shape_tool.GetObject()
colour_tool = h_colour_tool.GetObject()
### Read files
STEPReader = STEPCAFControl_Reader()
STEPReader.SetColorMode(True)
# STEPReader.SetLayerMode(True)
# STEPReader.SetNameMode(True)
# STEPReader.SetMatMode(True)
status = STEPReader.ReadFile(filename)
STEPReader.Reader().PrintCheckLoad(True, 0)
if status == IFSelect_RetDone:
STEPReader.Transfer(doc.GetHandle())
### Get root assembly
shapeLabels = TDF_LabelSequence()
shape_tool.GetFreeShapes(shapeLabels)
print('Number of shapes at root :%i' % shapeLabels.Length())
### Here we only have one solid in the model so we directly use the first solid
### If there are more, please use the for loop to get all solids
shape = shape_tool.GetShape(shapeLabels.Value(1))
result = fix_shape(shape)
# for i in range(shapeLabels.Length()):
# #print(Labels.Value(i+1).Tag())
# shape=shape_tool.GetShape(shapeLabels.Value(i+1))
# shapes.append(shape)
return [result, colour_tool]
def saveStep(self):
"""Export self.doc to STEP file."""
prompt = 'Choose filename for step file.'
fnametuple = QFileDialog.getSaveFileName(
None, prompt, './', "STEP files (*.stp *.STP *.step)")
fname, _ = fnametuple
if not fname:
print("Save step cancelled.")
return
# Reconstruct XCAFDoc related code from stepXD.StepImporter
labels = TDF_LabelSequence()
shape_tool = XCAFDoc_DocumentTool_ShapeTool(self.doc.Main())
shape_tool.GetShapes(labels)
logger.info('Number of labels at root : %i', labels.Length())
try:
rootlabel = labels.Value(1) # First label at root
except RuntimeError:
return
name = rootlabel.GetLabelName()
logger.info('Name of root label: %s', name)
isAssy = shape_tool.IsAssembly(rootlabel)
logger.info("First label at root holds an assembly? %s", isAssy)
# Modify self.doc by adding active part to rootlabel.
#Standard_Boolean expand = Standard_False; //default
#TDF_Label aLabel = myAssembly->AddComponent (aShape [,expand]);
newLabel = shape_tool.AddComponent(rootlabel, self.activePart, True)
#set a name to newlabel (as a reminder using OCAF), use:
#TCollection_ExtendedString aName ...;
#// contains the desired name for this Label (ASCII)
#TDataStd_Name::Set (aLabel, aName);
newName = TCollection_ExtendedString(
self._nameDict[self.activePartUID])
TDataStd_Name.Set(newLabel, newName)
logger.info('Name of new part: %s', newName)
#myAssembly->UpdateAssemblies();
shape_tool.UpdateAssemblies()
# initialize the STEP exporter
step_writer = STEPCAFControl_Writer()
# transfer shapes and write file
step_writer.Transfer(self.doc)
status = step_writer.Write(fname)
assert status == IFSelect_RetDone
def load_stp_cmpnt(self):
"""Get OCAF document from STEP file and add (as component) to doc root.
This is the way to load step files containing a single shape at root."""
prompt = 'Select STEP file to import'
fnametuple = QFileDialog.getOpenFileName(
None, prompt, './', "STEP files (*.stp *.STP *.step)")
fname, _ = fnametuple
logger.debug("Load file name: %s", fname)
if not fname:
print("Load step cancelled")
return
tmodel = TreeModel("DOC")
step_shape_tool = tmodel.shape_tool
step_color_tool = tmodel.color_tool
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(fname)
if status == IFSelect_RetDone:
logger.info("Transfer doc to STEPCAFControl_Reader")
step_reader.Transfer(tmodel.doc)
# Get root label of step data
labels = TDF_LabelSequence()
step_shape_tool.GetShapes(labels)
for j in range(labels.Length()):
label = labels.Value(j + 1)
shape = step_shape_tool.GetShape(label)
color = Quantity_Color()
name = label.GetLabelName()
step_color_tool.GetColor(shape, XCAFDoc_ColorSurf, color)
isSimpleShape = step_shape_tool.IsSimpleShape(label)
if isSimpleShape:
_ = self.addComponent(shape, name, color)
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(filename)
if status == IFSelect_RetDone:
step_reader.Transfer(doc)
labels = TDF_LabelSequence()
color_labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
print("Number of shapes at root :%i" % labels.Length())
for i in range(labels.Length()):
sub_shapes_labels = TDF_LabelSequence()
print("Is Assembly :", shape_tool.IsAssembly(labels.Value(i + 1)))
sub_shapes = shape_tool.GetSubShapes(labels.Value(i + 1),
sub_shapes_labels)
print("Number of subshapes in the assemly :%i" %
sub_shapes_labels.Length())
l_colors.GetColors(color_labels)
print("Number of colors=%i" % color_labels.Length())
for i in range(color_labels.Length()):
color = color_labels.Value(i + 1)
print(color.DumpToString())
for i in range(labels.Length()):
def findComponents(self, label,
comps): # Discover Components of an Assembly
logger.debug("")
logger.debug("Finding components of label (entry = %s)" %
label.EntryDumpToString())
for j in range(comps.Length()):
logger.debug("loop %i of %i" % (j + 1, comps.Length()))
cLabel = comps.Value(j + 1)
cShape = self.shape_tool.GetShape(cLabel)
logger.debug("Label %i - type : %s" % (j + 1, type(cLabel)))
logger.debug("Entry: %s" % cLabel.EntryDumpToString())
name = self.getName(cLabel)
logger.debug("Part name: %s" % name)
logger.debug("Is Assembly? %s" %
self.shape_tool.IsAssembly(cLabel))
logger.debug("Is Component? %s" %
self.shape_tool.IsComponent(cLabel))
logger.debug("Is Simple Shape? %s" %
self.shape_tool.IsSimpleShape(cLabel))
logger.debug("Is Reference? %s" %
self.shape_tool.IsReference(cLabel))
refLabel = TDF_Label()
isRef = self.shape_tool.GetReferredShape(cLabel, refLabel)
if isRef:
refShape = self.shape_tool.GetShape(refLabel)
refLabelEntry = refLabel.EntryDumpToString()
logger.debug("Entry of referred shape: %s" % refLabelEntry)
refName = self.getName(refLabel)
logger.debug("Name of referred shape: %s" % refName)
logger.debug("Is Assembly? %s" %
self.shape_tool.IsAssembly(refLabel))
logger.debug("Is Component? %s" %
self.shape_tool.IsComponent(refLabel))
logger.debug("Is Simple Shape? %s" %
self.shape_tool.IsSimpleShape(refLabel))
logger.debug("Is Reference? %s" %
self.shape_tool.IsReference(refLabel))
if self.shape_tool.IsSimpleShape(refLabel):
tempAssyLocStack = list(self.assyLocStack)
tempAssyLocStack.reverse()
for loc in tempAssyLocStack:
cShape.Move(loc)
color = self.getColor(refShape)
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1], {
'a': False,
'l': None,
'c': color,
's': cShape
})
elif self.shape_tool.IsAssembly(refLabel):
name = self.getName(cLabel) # Instance name
aLoc = TopLoc_Location()
aLoc = self.shape_tool.GetLocation(cLabel)
self.assyLocStack.append(aLoc)
newAssyUID = self.getNewUID()
self.tree.create_node(name, newAssyUID,
self.assyUidStack[-1], {
'a': True,
'l': aLoc,
'c': None,
's': None
})
self.assyUidStack.append(newAssyUID)
rComps = TDF_LabelSequence() # Components of Assy
subchilds = False
isAssy = self.shape_tool.GetComponents(
refLabel, rComps, subchilds)
logger.debug("Assy name: %s" % name)
logger.debug("Is Assembly? %s" % isAssy)
logger.debug("Number of components: %s" % rComps.Length())
if rComps.Length():
self.findComponents(refLabel, rComps)
self.assyUidStack.pop()
self.assyLocStack.pop()
return
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(filename)
if status == IFSelect_RetDone:
step_reader.Transfer(doc)
labels = TDF_LabelSequence()
color_labels = TDF_LabelSequence()
shape_tool.GetFreeShapes(labels)
print("Number of shapes at root :%i" % labels.Length())
for i in range(labels.Length()):
sub_shapes_labels = TDF_LabelSequence()
print("Is Assembly :", shape_tool.IsAssembly(labels.Value(i+1)))
sub_shapes = shape_tool.GetSubShapes(labels.Value(i+1), sub_shapes_labels)
print("Number of subshapes in the assemly :%i" % sub_shapes_labels.Length())
l_colors.GetColors(color_labels)
print("Number of colors=%i" % color_labels.Length())
for i in range(color_labels.Length()):
color = color_labels.Value(i+1)
print(color.DumpToString())
for i in range(labels.Length()):
label = labels.Value(i+1)
a_shape = shape_tool.GetShape(label)
def findComponents(self, label, comps):
"""Discover components from comps (LabelSequence) of an assembly (label).
Components of an assembly are, by definition, references which refer to
either a shape or another assembly. Components are essentially 'instances'
of the referred shape or assembly, and carry a location vector specifing
the location of the referred shape or assembly.
"""
logger.debug("")
logger.debug("Finding components of label entry %s)", label.EntryDumpToString())
for j in range(comps.Length()):
logger.debug("loop %i of %i", j+1, comps.Length())
cLabel = comps.Value(j+1) # component label <class 'OCC.Core.TDF.TDF_Label'>
cShape = self.shape_tool.GetShape(cLabel)
logger.debug("Component number %i", j+1)
logger.debug("Component entry: %s", cLabel.EntryDumpToString())
name = self.getName(cLabel)
logger.debug("Component name: %s", name)
refLabel = TDF_Label() # label of referred shape (or assembly)
isRef = self.shape_tool.GetReferredShape(cLabel, refLabel)
if isRef: # I think all components are references, but just in case...
refShape = self.shape_tool.GetShape(refLabel)
refLabelEntry = refLabel.EntryDumpToString()
logger.debug("Entry referred to: %s", refLabelEntry)
refName = self.getName(refLabel)
logger.debug("Name of referred item: %s", refName)
if self.shape_tool.IsSimpleShape(refLabel):
logger.debug("Referred item is a Shape")
logger.debug("Name of Shape: %s", refName)
tempAssyLocStack = list(self.assyLocStack)
tempAssyLocStack.reverse()
for loc in tempAssyLocStack:
cShape.Move(loc)
color = self.getColor(refShape)
self.tree.create_node(name,
self.getNewUID(),
self.assyUidStack[-1],
{'a': False, 'l': None, 'c': color, 's': cShape})
elif self.shape_tool.IsAssembly(refLabel):
logger.debug("Referred item is an Assembly")
logger.debug("Name of Assembly: %s", refName)
name = self.getName(cLabel) # Instance name
aLoc = TopLoc_Location()
# Location vector is carried by component
aLoc = self.shape_tool.GetLocation(cLabel)
self.assyLocStack.append(aLoc)
newAssyUID = self.getNewUID()
self.tree.create_node(name,
newAssyUID,
self.assyUidStack[-1],
{'a': True, 'l': aLoc, 'c': None, 's': None})
self.assyUidStack.append(newAssyUID)
rComps = TDF_LabelSequence() # Components of Assy
subchilds = False
isAssy = self.shape_tool.GetComponents(refLabel, rComps, subchilds)
logger.debug("Assy name: %s", name)
logger.debug("Is Assembly? %s", isAssy)
logger.debug("Number of components: %s", rComps.Length())
if rComps.Length():
self.findComponents(refLabel, rComps)
self.assyUidStack.pop()
self.assyLocStack.pop()
def read_file(self):
"""Build tree = treelib.Tree() to facilitate displaying the CAD model and
constructing the tree view showing the assembly/component relationships.
Each node of self.tree contains the following:
(Name, UID, ParentUID, {Data}) where the Data keys are:
'a' (isAssy?), 'l' (TopLoc_Location), 'c' (Quantity_Color), 's' (TopoDS_Shape)
"""
logger.info("Reading STEP file")
tmodel = TreeModel("STEP")
self.shape_tool = tmodel.shape_tool
self.color_tool = tmodel.color_tool
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(self.filename)
if status == IFSelect_RetDone:
logger.info("Transfer doc to STEPCAFControl_Reader")
step_reader.Transfer(tmodel.doc)
labels = TDF_LabelSequence()
self.shape_tool.GetShapes(labels)
logger.info('Number of labels at root : %i', labels.Length())
try:
rootlabel = labels.Value(1) # First label at root
except RuntimeError:
return
name = self.getName(rootlabel)
logger.info('Name of root label: %s', name)
isAssy = self.shape_tool.IsAssembly(rootlabel)
logger.info("First label at root holds an assembly? %s", isAssy)
if isAssy:
# If first label at root holds an assembly, it is the Top Assembly.
# Through this label, the entire assembly is accessible.
# there is no need to examine other labels at root explicitly.
topLoc = TopLoc_Location()
topLoc = self.shape_tool.GetLocation(rootlabel)
self.assyLocStack.append(topLoc)
entry = rootlabel.EntryDumpToString()
logger.debug("Entry: %s", entry)
logger.debug("Top assy name: %s", name)
# Create root node for top assy
newAssyUID = self.getNewUID()
self.tree.create_node(name, newAssyUID, None,
{'a': True, 'l': None, 'c': None, 's': None})
self.assyUidStack.append(newAssyUID)
topComps = TDF_LabelSequence() # Components of Top Assy
subchilds = False
isAssy = self.shape_tool.GetComponents(rootlabel, topComps, subchilds)
logger.debug("Is Assembly? %s", isAssy)
logger.debug("Number of components: %s", topComps.Length())
logger.debug("Is Reference? %s", self.shape_tool.IsReference(rootlabel))
if topComps.Length():
self.findComponents(rootlabel, topComps)
else:
# Labels at root can hold solids or compounds (which are 'crude' assemblies)
# Either way, we will need to create a root node in self.tree
newAssyUID = self.getNewUID()
self.tree.create_node(os.path.basename(self.filename),
newAssyUID, None,
{'a': True, 'l': None, 'c': None, 's': None})
self.assyUidStack = [newAssyUID]
for j in range(labels.Length()):
label = labels.Value(j+1)
name = self.getName(label)
isAssy = self.shape_tool.IsAssembly(label)
logger.debug("Label %i is assembly?: %s", j+1, isAssy)
shape = self.shape_tool.GetShape(label)
color = self.getColor(shape)
isSimpleShape = self.shape_tool.IsSimpleShape(label)
logger.debug("Is Simple Shape? %s", isSimpleShape)
shapeType = shape.ShapeType()
logger.debug("The shape type is: %i", shapeType)
if shapeType == 0:
logger.debug("The shape type is OCC.Core.TopAbs.TopAbs_COMPOUND")
topo = TopologyExplorer(shape)
#topo = aocutils.topology.Topo(shape)
logger.debug("Nb of compounds : %i", topo.number_of_compounds())
logger.debug("Nb of solids : %i", topo.number_of_solids())
logger.debug("Nb of shells : %i", topo.number_of_shells())
newAssyUID = self.getNewUID()
for i, solid in enumerate(topo.solids()):
name = "P%s" % str(i+1)
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1],
{'a': False, 'l': None,
'c': color, 's': solid})
elif shapeType == 2:
logger.debug("The shape type is OCC.Core.TopAbs.TopAbs_SOLID")
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1],
{'a': False, 'l': None,
'c': color, 's': shape})
elif shapeType == 3:
logger.debug("The shape type is OCC.Core.TopAbs.TopAbs_SHELL")
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1],
{'a': False, 'l': None,
'c': color, 's': shape})
return tmodel.doc # <class 'OCC.Core.TDocStd.TDocStd_Document'>
def _get_sub_shapes(lab, loc):
l_subss = TDF_LabelSequence()
shape_tool.GetSubShapes(lab, l_subss)
#print("Nb subshapes :", l_subss.Length())
l_comps = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_comps)
#print("Nb components :", l_comps.Length())
#print()
name = lab.GetLabelName()
print("Name :", name)
if shape_tool.IsAssembly(lab):
l_c = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_c)
for i in range(l_c.Length()):
label = l_c.Value(i + 1)
if shape_tool.IsReference(label):
label_reference = TDF_Label()
shape_tool.GetReferredShape(label, label_reference)
loc = shape_tool.GetLocation(label)
locs.append(loc)
_get_sub_shapes(label_reference, loc)
locs.pop()
elif shape_tool.IsSimpleShape(lab):
shape = shape_tool.GetShape(lab)
loc = TopLoc_Location()
for l in locs:
loc = loc.Multiplied(l)
c = Quantity_Color(0.5, 0.5, 0.5,
Quantity_TOC_RGB) # default color
colorSet = False
if (color_tool.GetInstanceColor(shape, 0, c)
or color_tool.GetInstanceColor(shape, 1, c)
or color_tool.GetInstanceColor(shape, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' Instance color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
if not colorSet:
if (color_tool.GetColor(lab, 0, c)
or color_tool.GetColor(lab, 1, c)
or color_tool.GetColor(lab, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' Shape color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
shape_disp = BRepBuilderAPI_Transform(
shape, loc.Transformation()).Shape()
if not shape_disp in output_shapes:
output_shapes[shape_disp] = [lab.GetLabelName(), c]
for i in range(l_subss.Length()):
lab_subs = l_subss.Value(i + 1)
shape_sub = shape_tool.GetShape(lab_subs)
c = Quantity_Color(0.5, 0.5, 0.5,
Quantity_TOC_RGB) # default color
colorSet = False
if (color_tool.GetInstanceColor(shape_sub, 0, c)
or color_tool.GetInstanceColor(shape_sub, 1, c)
or color_tool.GetInstanceColor(shape_sub, 2, c)):
color_tool.SetInstanceColor(shape_sub, 0, c)
color_tool.SetInstanceColor(shape_sub, 1, c)
color_tool.SetInstanceColor(shape_sub, 2, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' Instance color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
if not colorSet:
if (color_tool.GetColor(lab_subs, 0, c)
or color_tool.GetColor(lab_subs, 1, c)
or color_tool.GetColor(lab_subs, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' Shape color Name & RGB: ', c, n,
c.Red(), c.Green(), c.Blue())
shape_to_disp = BRepBuilderAPI_Transform(
shape_sub, loc.Transformation()).Shape()
# position the subshape to display
if not shape_to_disp in output_shapes:
output_shapes[shape_to_disp] = [
lab_subs.GetLabelName(), c
]
def parse_doc(self):
"""Generate new part_dict & label_dict.
part_dict (dict of dicts) is used primarily for 3D display
part_dict = {uid: {'shape': ,
'name': ,
'color': ,
'loc': }}
label_dict (dict of dicts) is used primarily for tree view display
label_dict = {uid: {'entry': ,
'name': ,
'parent_uid': ,
'ref_entry': ,
'is_assy': }}
"""
# Initialize dictionaries & list
self._share_dict = {'0:1:1': 0} # {entry: ser_nbr}
self.part_dict = {}
self.label_dict = {}
# Temporary use during unpacking
self.parent_uid_stack = [] # uid of parent (topmost first)
self.assy_entry_stack = ['0:1:1'] # [entries of containing assemblies]
self.assy_loc_stack = [] # applicable <TopLoc_Location> locations
shape_tool = XCAFDoc_DocumentTool_ShapeTool(self.doc.Main())
color_tool = XCAFDoc_DocumentTool_ColorTool(self.doc.Main())
# Find root label of self.doc
labels = TDF_LabelSequence()
shape_tool.GetShapes(labels)
root_label = labels.Value(1) # First label at root
nbr = labels.Length() # number of labels at root
logger.debug('Number of labels at doc root : %i', nbr)
# Get root label information
# The first label at root holds an assembly, it is the Top Assy.
# Through this label, the entire assembly is accessible.
# There is no need to explicitly examine other labels at root.
root_name = root_label.GetLabelName()
root_entry = root_label.EntryDumpToString()
root_uid = self.get_uid_from_entry(root_entry)
loc = shape_tool.GetLocation(root_label) # <TopLoc_Location>
self.assy_loc_stack.append(loc)
self.assy_entry_stack.append(root_entry)
self.label_dict = {
root_uid: {
'entry': root_entry,
'name': root_name,
'parent_uid': None,
'ref_entry': None,
'is_assy': True
}
}
self.parent_uid_stack.append(root_uid)
top_comps = TDF_LabelSequence() # Components of Top Assy
subchilds = False
is_assy = shape_tool.GetComponents(root_label, top_comps, subchilds)
if top_comps.Length(): # if is_assy:
logger.debug("")
logger.debug("Parsing components of label entry %s)", root_entry)
self.parse_components(top_comps, shape_tool, color_tool)
else:
print("Something is wrong.")
def parse_components(self, comps, shape_tool, color_tool):
"""Parse components from comps (LabelSequence).
Components of an assembly are, by definition, references which refer
to either a simple shape or a compound shape (an assembly).
Components are essentially 'instances' of the referred shape or assembly
and carry a location vector specifing the location of the referred
shape or assembly."""
for j in range(comps.Length()):
logger.debug("Assy_entry_stack: %s", self.assy_entry_stack)
logger.debug("loop %i of %i", j + 1, comps.Length())
c_label = comps.Value(j + 1) # component label <class 'TDF_Label'>
c_name = c_label.GetLabelName()
c_entry = c_label.EntryDumpToString()
c_uid = self.get_uid_from_entry(c_entry)
c_shape = shape_tool.GetShape(c_label)
logger.debug("Component number %i", j + 1)
logger.debug("Component name: %s", c_name)
logger.debug("Component entry: %s", c_entry)
ref_label = TDF_Label() # label of referred shape (or assembly)
is_ref = shape_tool.GetReferredShape(c_label, ref_label)
if is_ref: # I think all components are references
ref_name = ref_label.GetLabelName()
ref_shape = shape_tool.GetShape(ref_label)
ref_entry = ref_label.EntryDumpToString()
self.label_dict[c_uid] = {
'entry': c_entry,
'name': c_name,
'parent_uid': self.parent_uid_stack[-1],
'ref_entry': ref_entry
}
if shape_tool.IsSimpleShape(ref_label):
self.label_dict[c_uid].update({'is_assy': False})
temp_assy_loc_stack = list(self.assy_loc_stack)
# Multiply locations in stack sequentially to a result
if len(temp_assy_loc_stack) > 1:
res_loc = temp_assy_loc_stack.pop(0)
for loc in temp_assy_loc_stack:
res_loc = res_loc.Multiplied(loc)
c_shape.Move(res_loc)
elif len(temp_assy_loc_stack) == 1:
res_loc = temp_assy_loc_stack.pop()
c_shape.Move(res_loc)
else:
res_loc = None
# It is possible for this component to both specify a
# location 'c_loc' and refer directly to a top level shape.
# If this component *does* specify a location 'c_loc',
# it will be applied to the referred shape without being
# included in temp_assy_loc_stack. But in order to keep
# track of the total location from the root shape to the
# instance, it needs to be accounted for (by mutiplying
# res_loc by it) before saving it to part_dict.
c_loc = None
c_loc = shape_tool.GetLocation(c_label)
if c_loc:
loc = res_loc.Multiplied(c_loc)
color = Quantity_Color()
color_tool.GetColor(ref_shape, XCAFDoc_ColorSurf, color)
self.part_dict[c_uid] = {
'shape': c_shape,
'color': color,
'name': c_name,
'loc': loc
}
elif shape_tool.IsAssembly(ref_label):
self.label_dict[c_uid].update({'is_assy': True})
logger.debug("Referred item is an Assembly")
# Location vector is carried by component
aLoc = TopLoc_Location()
aLoc = shape_tool.GetLocation(c_label)
self.assy_loc_stack.append(aLoc)
self.assy_entry_stack.append(ref_entry)
self.parent_uid_stack.append(c_uid)
r_comps = TDF_LabelSequence() # Components of Assy
subchilds = False
isAssy = shape_tool.GetComponents(ref_label, r_comps,
subchilds)
logger.debug("Assy name: %s", ref_name)
logger.debug("Is Assembly? %s", isAssy)
logger.debug("Number of components: %s", r_comps.Length())
if r_comps.Length():
logger.debug("")
logger.debug("Parsing components of label entry %s)",
ref_entry)
self.parse_components(r_comps, shape_tool, color_tool)
else:
print(
f"I was wrong: All components are *not* references {c_uid}"
)
self.assy_entry_stack.pop()
self.assy_loc_stack.pop()
self.parent_uid_stack.pop()
def _get_sub_shapes(lab, loc):
#global cnt, lvl
#cnt += 1
#print("\n[%d] level %d, handling LABEL %s\n" % (cnt, lvl, _get_label_name(lab)))
#print()
#print(lab.DumpToString())
#print()
#print("Is Assembly :", shape_tool.IsAssembly(lab))
#print("Is Free :", shape_tool.IsFree(lab))
#print("Is Shape :", shape_tool.IsShape(lab))
#print("Is Compound :", shape_tool.IsCompound(lab))
#print("Is Component :", shape_tool.IsComponent(lab))
#print("Is SimpleShape :", shape_tool.IsSimpleShape(lab))
#print("Is Reference :", shape_tool.IsReference(lab))
#users = TDF_LabelSequence()
#users_cnt = shape_tool.GetUsers(lab, users)
#print("Nr Users :", users_cnt)
l_subss = TDF_LabelSequence()
shape_tool.GetSubShapes(lab, l_subss)
#print("Nb subshapes :", l_subss.Length())
l_comps = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_comps)
#print("Nb components :", l_comps.Length())
#print()
name = lab.GetLabelName()
print("Name :", name)
if shape_tool.IsAssembly(lab):
l_c = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_c)
for i in range(l_c.Length()):
label = l_c.Value(i + 1)
if shape_tool.IsReference(label):
#print("\n######## reference label :", label)
label_reference = TDF_Label()
shape_tool.GetReferredShape(label, label_reference)
loc = shape_tool.GetLocation(label)
#print(" loc :", loc)
#trans = loc.Transformation()
#print(" tran form :", trans.Form())
#rot = trans.GetRotation()
#print(" rotation :", rot)
#print(" X :", rot.X())
#print(" Y :", rot.Y())
#print(" Z :", rot.Z())
#print(" W :", rot.W())
#tran = trans.TranslationPart()
#print(" translation :", tran)
#print(" X :", tran.X())
#print(" Y :", tran.Y())
#print(" Z :", tran.Z())
locs.append(loc)
#print(">>>>")
#lvl += 1
_get_sub_shapes(label_reference, loc)
#lvl -= 1
#print("<<<<")
locs.pop()
elif shape_tool.IsSimpleShape(lab):
#print("\n######## simpleshape label :", lab)
shape = shape_tool.GetShape(lab)
#print(" all ass locs :", locs)
loc = TopLoc_Location()
for l in locs:
#print(" take loc :", l)
loc = loc.Multiplied(l)
#trans = loc.Transformation()
#print(" FINAL loc :")
#print(" tran form :", trans.Form())
#rot = trans.GetRotation()
#print(" rotation :", rot)
#print(" X :", rot.X())
#print(" Y :", rot.Y())
#print(" Z :", rot.Z())
#print(" W :", rot.W())
#tran = trans.TranslationPart()
#print(" translation :", tran)
#print(" X :", tran.X())
#print(" Y :", tran.Y())
#print(" Z :", tran.Z())
c = Quantity_Color(0.5, 0.5, 0.5,
Quantity_TOC_RGB) # default color
colorSet = False
if (color_tool.GetInstanceColor(shape, 0, c)
or color_tool.GetInstanceColor(shape, 1, c)
or color_tool.GetInstanceColor(shape, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' instance color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
if not colorSet:
if (color_tool.GetColor(lab, 0, c)
or color_tool.GetColor(lab, 1, c)
or color_tool.GetColor(lab, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' shape color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
shape_disp = BRepBuilderAPI_Transform(
shape, loc.Transformation()).Shape()
if not shape_disp in output_shapes:
output_shapes[shape_disp] = [lab.GetLabelName(), c]
for i in range(l_subss.Length()):
lab_subs = l_subss.Value(i + 1)
#print("\n######## simpleshape subshape label :", lab)
shape_sub = shape_tool.GetShape(lab_subs)
c = Quantity_Color(0.5, 0.5, 0.5,
Quantity_TOC_RGB) # default color
colorSet = False
if (color_tool.GetInstanceColor(shape_sub, 0, c)
or color_tool.GetInstanceColor(shape_sub, 1, c)
or color_tool.GetInstanceColor(shape_sub, 2, c)):
color_tool.SetInstanceColor(shape_sub, 0, c)
color_tool.SetInstanceColor(shape_sub, 1, c)
color_tool.SetInstanceColor(shape_sub, 2, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' instance color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
if not colorSet:
if (color_tool.GetColor(lab_subs, 0, c)
or color_tool.GetColor(lab_subs, 1, c)
or color_tool.GetColor(lab_subs, 2, c)):
color_tool.SetInstanceColor(shape, 0, c)
color_tool.SetInstanceColor(shape, 1, c)
color_tool.SetInstanceColor(shape, 2, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' shape color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
shape_to_disp = BRepBuilderAPI_Transform(
shape_sub, loc.Transformation()).Shape()
# position the subshape to display
if not shape_to_disp in output_shapes:
output_shapes[shape_to_disp] = [lab_subs.GetLabelName(), c]
def read_file(self):
"""Build self.tree (treelib.Tree()) containing CAD data read from a step file.
Each node of self.tree contains the following:
(Name, UID, ParentUID, {Data}) where the Data keys are:
'a' (isAssy?), 'l' (TopLoc_Location), 'c' (Quantity_Color), 's' (TopoDS_Shape)
"""
logger.info("Reading STEP file")
doc = TDocStd_Document(TCollection_ExtendedString("STEP"))
# Create the application
app = XCAFApp_Application_GetApplication()
app.NewDocument(TCollection_ExtendedString("MDTV-CAF"), doc)
# Get root shapes
shape_tool = XCAFDoc_DocumentTool_ShapeTool(doc.Main())
shape_tool.SetAutoNaming(True)
self.color_tool = XCAFDoc_DocumentTool_ColorTool(doc.Main())
layer_tool = XCAFDoc_DocumentTool_LayerTool(doc.Main())
l_materials = XCAFDoc_DocumentTool_MaterialTool(doc.Main())
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(self.filename)
if status == IFSelect_RetDone:
logger.info("Transfer doc to STEPCAFControl_Reader")
step_reader.Transfer(doc)
# Test round trip by writing doc back to another file.
logger.info("Doing a 'short-circuit' Round Trip test")
doctype = type(doc) # <class 'OCC.Core.TDocStd.TDocStd_Document'>
logger.info(f"Writing {doctype} back to another STEP file")
self.testRTStep(doc)
# Save doc to file (for educational purposes) (not working yet)
logger.debug("Saving doc to file")
savefilename = TCollection_ExtendedString('../doc.txt')
app.SaveAs(doc, savefilename)
labels = TDF_LabelSequence()
color_labels = TDF_LabelSequence()
shape_tool.GetShapes(labels)
self.shape_tool = shape_tool
logger.info('Number of labels at root : %i' % labels.Length())
try:
label = labels.Value(1) # First label at root
except RuntimeError:
return
name = self.getName(label)
logger.info('Name of root label: %s' % name)
isAssy = shape_tool.IsAssembly(label)
logger.info("First label at root holds an assembly? %s" % isAssy)
if isAssy:
# If first label at root holds an assembly, it is the Top Assembly.
# Through this label, the entire assembly is accessible.
# No need to examine other labels at root explicitly.
topLoc = TopLoc_Location()
topLoc = shape_tool.GetLocation(label)
self.assyLocStack.append(topLoc)
entry = label.EntryDumpToString()
logger.debug("Entry: %s" % entry)
logger.debug("Top assy name: %s" % name)
# Create root node for top assy
newAssyUID = self.getNewUID()
self.tree.create_node(name, newAssyUID, None, {
'a': True,
'l': None,
'c': None,
's': None
})
self.assyUidStack.append(newAssyUID)
topComps = TDF_LabelSequence() # Components of Top Assy
subchilds = False
isAssy = shape_tool.GetComponents(label, topComps, subchilds)
logger.debug("Is Assembly? %s" % isAssy)
logger.debug("Number of components: %s" % topComps.Length())
logger.debug("Is Reference? %s" % shape_tool.IsReference(label))
if topComps.Length():
self.findComponents(label, topComps)
else:
# Labels at root can hold solids or compounds (which are 'crude' assemblies)
# Either way, we will need to create a root node in self.tree
newAssyUID = self.getNewUID()
self.tree.create_node(os.path.basename(self.filename), newAssyUID,
None, {
'a': True,
'l': None,
'c': None,
's': None
})
self.assyUidStack = [newAssyUID]
for j in range(labels.Length()):
label = labels.Value(j + 1)
name = self.getName(label)
isAssy = shape_tool.IsAssembly(label)
logger.debug("Label %i is assembly?: %s" % (j + 1, isAssy))
shape = shape_tool.GetShape(label)
color = self.getColor(shape)
isSimpleShape = self.shape_tool.IsSimpleShape(label)
logger.debug("Is Simple Shape? %s" % isSimpleShape)
shapeType = shape.ShapeType()
logger.debug("The shape type is: %i" % shapeType)
if shapeType == 0:
logger.debug(
"The shape type is OCC.Core.TopAbs.TopAbs_COMPOUND")
topo = TopologyExplorer(shape)
#topo = aocutils.topology.Topo(shape)
logger.debug("Nb of compounds : %i" %
topo.number_of_compounds())
logger.debug("Nb of solids : %i" % topo.number_of_solids())
logger.debug("Nb of shells : %i" % topo.number_of_shells())
newAssyUID = self.getNewUID()
for i, solid in enumerate(topo.solids()):
name = "P%s" % str(i + 1)
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1], {
'a': False,
'l': None,
'c': color,
's': solid
})
elif shapeType == 2:
logger.debug(
"The shape type is OCC.Core.TopAbs.TopAbs_SOLID")
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1], {
'a': False,
'l': None,
'c': color,
's': shape
})
elif shapeType == 3:
logger.debug(
"The shape type is OCC.Core.TopAbs.TopAbs_SHELL")
self.tree.create_node(name, self.getNewUID(),
self.assyUidStack[-1], {
'a': False,
'l': None,
'c': color,
's': shape
})
return True
def load_stp_undr_top(self):
"""Paste step root label under 1st label at self.doc root
Add a simple component to the first label at self.doc root.
Set the component name to be the name of the step file.
Then assign the label of the referred shape to 'targetLabel'.
Finally, copy step root label onto 'targetLabel'.
This works when copying file 'as1-oc-214.stp' to 0:1:1:2 (n=2) but does
not get part color at higher values of n. Also doesn't work with file
'as1_pe_203.stp' loaded at any value of n. ???
"""
prompt = 'Select STEP file to import'
fnametuple = QFileDialog.getOpenFileName(
None, prompt, './', "STEP files (*.stp *.STP *.step)")
fname, _ = fnametuple # fname = /path/to/some/filename.ext
base = os.path.basename(fname) # filename.ext
filename, ext = os.path.splitext(base)
logger.debug("Load file name: %s", fname)
if not fname:
print("Load step cancelled")
return
# Get the step data
tmodel = TreeModel("STEP")
step_shape_tool = tmodel.shape_tool
step_color_tool = tmodel.color_tool
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(fname)
if status == IFSelect_RetDone:
logger.info("Transfer doc to STEPCAFControl_Reader")
step_reader.Transfer(tmodel.doc)
# Delint tmodel.doc & make new tools
step_doc = self.doc_linter(tmodel.doc)
step_shape_tool = XCAFDoc_DocumentTool_ShapeTool(step_doc.Main())
step_color_tool = XCAFDoc_DocumentTool_ColorTool(step_doc.Main())
# Get root label of step data
step_labels = TDF_LabelSequence()
step_shape_tool.GetShapes(step_labels)
steprootLabel = step_labels.Value(1)
# Make a simple box and add it as a component
myBody = BRepPrimAPI_MakeBox(4, 4, 4).Shape()
_ = self.addComponent(myBody, filename, Quantity_ColorRGBA())
step_shape_tool.UpdateAssemblies()
# Get target label of self.doc
labels = TDF_LabelSequence() # labels at root
shape_tool = XCAFDoc_DocumentTool_ShapeTool(self.doc.Main())
color_tool = XCAFDoc_DocumentTool_ColorTool(self.doc.Main())
shape_tool.GetShapes(labels)
n = labels.Length() # number of labels at root
print(n)
targetLabel = labels.Value(n) # of ref shape of comp just added
# Copy source label to target label
self.copy_label(steprootLabel, targetLabel)
shape_tool.UpdateAssemblies()
# Repair self.doc by cycling through save/load
self.doc = self.doc_linter()
# Build new self.part_dict & tree view
self.parse_doc()
def getSubShapes(lab, loc):
global cnt, lvl
cnt += 1
print("\n[%d] level %d, handling LABEL %s\n" %
(cnt, lvl, get_label_name(lab)))
print()
print(lab.DumpToString())
print()
print("Is Assembly :", shape_tool.IsAssembly(lab))
print("Is Free :", shape_tool.IsFree(lab))
print("Is Shape :", shape_tool.IsShape(lab))
print("Is Compound :", shape_tool.IsCompound(lab))
print("Is Component :", shape_tool.IsComponent(lab))
print("Is SimpleShape :", shape_tool.IsSimpleShape(lab))
print("Is Reference :", shape_tool.IsReference(lab))
users = TDF_LabelSequence()
users_cnt = shape_tool.GetUsers(lab, users)
print("Nr Users :", users_cnt)
l_subss = TDF_LabelSequence()
shape_tool.GetSubShapes(lab, l_subss)
print("Nb subshapes :", l_subss.Length())
l_comps = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_comps)
print("Nb components :", l_comps.Length())
print()
if shape_tool.IsAssembly(lab):
l_c = TDF_LabelSequence()
shape_tool.GetComponents(lab, l_c)
for i in range(l_c.Length()):
label = l_c.Value(i + 1)
if shape_tool.IsReference(label):
print("\n######## reference label :", label)
label_reference = TDF_Label()
shape_tool.GetReferredShape(label, label_reference)
loc = shape_tool.GetLocation(label)
print(" loc :", loc)
trans = loc.Transformation()
print(" tran form :", trans.Form())
rot = trans.GetRotation()
print(" rotation :", rot)
print(" X :", rot.X())
print(" Y :", rot.Y())
print(" Z :", rot.Z())
print(" W :", rot.W())
tran = trans.TranslationPart()
print(" translation :", tran)
print(" X :", tran.X())
print(" Y :", tran.Y())
print(" Z :", tran.Z())
locs.append(loc)
print(">>>>")
lvl += 1
getSubShapes(label_reference, loc)
lvl -= 1
print("<<<<")
locs.pop()
elif shape_tool.IsSimpleShape(lab):
print("\n######## simpleshape label :", lab)
shape = shape_tool.GetShape(lab)
print(" all ass locs :", locs)
loc = TopLoc_Location()
for i in range(len(locs)):
print(" take loc :", locs[i])
loc = loc.Multiplied(locs[i])
trans = loc.Transformation()
print(" FINAL loc :")
print(" tran form :", trans.Form())
rot = trans.GetRotation()
print(" rotation :", rot)
print(" X :", rot.X())
print(" Y :", rot.Y())
print(" Z :", rot.Z())
print(" W :", rot.W())
tran = trans.TranslationPart()
print(" translation :", tran)
print(" X :", tran.X())
print(" Y :", tran.Y())
print(" Z :", tran.Z())
shape = BRepBuilderAPI_Transform(shape, loc.Transformation()).Shape()
c = Quantity_Color()
colorSet = False
if (color_tool.GetInstanceColor(shape, 0, c)
or color_tool.GetInstanceColor(shape, 1, c)
or color_tool.GetInstanceColor(shape, 2, c)):
for i in (0, 1, 2):
color_tool.SetInstanceColor(shape, i, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' instance color Name & RGB: ', c, n, c.Red(), c.Green(),
c.Blue())
if not colorSet:
if (color_tool.GetColor(lab, 0, c)
or color_tool.GetColor(lab, 1, c)
or color_tool.GetColor(lab, 2, c)):
for i in (0, 1, 2):
color_tool.SetInstanceColor(shape, i, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' shape color Name & RGB: ', c, n, c.Red(), c.Green(),
c.Blue())
# n = c.Name(c.Red(), c.Green(), c.Blue())
# print(' color Name & RGB: ', c, n, c.Red(), c.Green(), c.Blue())
# Display shape
display.DisplayColoredShape(shape, c)
for i in range(l_subss.Length()):
lab = l_subss.Value(i + 1)
print("\n######## simpleshape subshape label :", lab)
shape = shape_tool.GetShape(lab)
c = Quantity_Color()
colorSet = False
if (color_tool.GetInstanceColor(shape, 0, c)
or color_tool.GetInstanceColor(shape, 1, c)
or color_tool.GetInstanceColor(shape, 2, c)):
for i in (0, 1, 2):
color_tool.SetInstanceColor(shape, i, c)
colorSet = True
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' instance color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
if not colorSet:
if (color_tool.GetColor(lab, 0, c)
or color_tool.GetColor(lab, 1, c)
or color_tool.GetColor(lab, 2, c)):
for i in (0, 1, 2):
color_tool.SetInstanceColor(shape, i, c)
n = c.Name(c.Red(), c.Green(), c.Blue())
print(' shape color Name & RGB: ', c, n, c.Red(),
c.Green(), c.Blue())
# n = c.Name(c.Red(), c.Green(), c.Blue())
# print(' color Name & RGB: ', c, n, c.Red(), c.Green(), c.Blue())
# Display shape
display.DisplayColoredShape(shape, c)
def read_file(self):
r"""Read file"""
logger.info("Reading STEP file")
h_doc = Handle_TDocStd_Document()
# Create the application
app = _XCAFApp.XCAFApp_Application_GetApplication().GetObject()
app.NewDocument(TCollection_ExtendedString("MDTV-CAF"), h_doc)
# Get root assembly
doc = h_doc.GetObject()
h_shape_tool = XCAFDoc_DocumentTool().ShapeTool(doc.Main())
color_tool = XCAFDoc_DocumentTool().ColorTool(doc.Main())
layer_tool = XCAFDoc_DocumentTool().LayerTool(doc.Main())
_ = XCAFDoc_DocumentTool().MaterialTool(doc.Main())
step_reader = STEPCAFControl_Reader()
step_reader.SetColorMode(True)
step_reader.SetLayerMode(True)
step_reader.SetNameMode(True)
step_reader.SetMatMode(True)
status = step_reader.ReadFile(str(self.filename))
if status == IFSelect_RetDone:
logger.info("Transfer doc to STEPCAFControl_Reader")
step_reader.Transfer(doc.GetHandle())
labels = TDF_LabelSequence()
_ = TDF_LabelSequence()
# TopoDS_Shape a_shape;
_ = h_shape_tool.GetObject()
h_shape_tool.GetObject().GetFreeShapes(labels)
logger.info('Number of shapes at root :%i' % labels.Length())
# for i in range(labels.Length()):
# a_shape = h_shape_tool.GetObject().GetShape(labels.Value(i+1))
# logger.debug("%i - type : %s" % (i, a_shape.ShapeType()))
# sub_shapes_labels = TDF_LabelSequence()
# print("Is Assembly?", shape_tool.IsAssembly(labels.Value(i + 1)))
# # sub_shapes = shape_tool.getsubshapes(labels.Value(i+1),
# sub_shapes_labels)
#
# sub_shapes = shape_tool.FindSubShape(labels.Value(i + 1),
# a_shape, labels.Value(i + 1))
# print('Number of subshapes in the assembly : %i' %
# sub_shapes_labels.Length())
#
# color_tool.GetObject().GetColors(color_labels)
# logger.info('Number of colors : %i' % color_labels.Length())
for i in range(labels.Length()):
# print i
label = labels.Value(i + 1)
logger.debug("Label : %s" % label)
a_shape = h_shape_tool.GetObject().GetShape(labels.Value(i + 1))
# string_seq = TColStd_HSequenceOfExtendedString()
# string_seq is an TColStd_HSequenceOfExtendedString
string_seq = layer_tool.GetObject().GetLayers(a_shape)
color = Quantity_Color()
_ = color_tool.GetObject().GetColor(a_shape, XCAFDoc_ColorSurf,
color)
logger.info("The shape type is : %i" % a_shape.ShapeType())
if a_shape.ShapeType() == TopAbs_COMPOUND:
logger.info("The shape type is TopAbs_COMPOUND")
topo = Topo(a_shape)
logger.info("Nb of compounds : %i" % topo.number_of_compounds)
logger.info("Nb of solids : %i" % topo.number_of_solids)
logger.info("Nb of shells : %i" % topo.number_of_shells)
for solid in topo.solids:
logger.info("Adding solid to the shapes list")
self._shapes.append(solid)
elif a_shape.ShapeType() == TopAbs_SOLID:
logger.info("The shape type is TopAbs_SOLID")
self._shapes.append(a_shape)
self._colors.append(color)
self._layers.append(string_seq)
return True