def Display(self, context, material=Graphic3d_NOM_ALUMINIUM, color=None):
"""Displays all components of this instance to input context
Parameters
----------
context : OCC.Display.OCCViewer.Viewer3d or WebRenderer
The display context - should have a Display or DisplayShape method
meterial : OCC.Graphic3d_NOM_* type (default=ALUMINIUM)
The material for display: note some renderers do not allow this
color : string
The color for all components in this shape
"""
for name, component in self.items():
ais = AIS_Shape(component)
ais.SetMaterial(material)
if color:
try:
from OCC.Display.OCCViewer import get_color_from_name
color = get_color_from_name(color)
except:
pass
ais.SetColor(color)
try:
context.Context.Display(ais.GetHandle())
except:
context.DisplayShape(component)
def BBox_FromExtents(xmin, ymin, zmin, xmax, ymax, zmax):
"""Generates the Wire Edges defining the Bounding Box defined in the input
arguments: Can be used to display the bounding box"""
s = BRepPrimAPI_MakeBox(gp_Pnt(xmin, ymin, zmin),
gp_Pnt(xmax, ymax, zmax)).Shape()
ais_bbox = AIS_Shape(s)
ais_bbox.SetDisplayMode(AIS_WireFrame)
return ais_bbox.GetHandle()
def Display(self, context, material=Graphic3d_NOM_ALUMINIUM, color=None):
print("display-Part")
for name, component in self.items():
ais = AIS_Shape(component)
ais.SetMaterial(material)
if color:
try:
from OCC.Display.OCCViewer import get_color_from_name
color = get_color_from_name(color)
except:
pass
ais.SetColor(color)
try:
context.Context.Display(ais.GetHandle())
#context.register_select_callback(print_xy_click)
except:
context.DisplayShape(component)
##pythonOCC is distributed in the hope that it will be useful, ##but WITHOUT ANY WARRANTY; without even the implied warranty of ##MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ##GNU Lesser General Public License for more details. ## ##You should have received a copy of the GNU Lesser General Public License ##along with pythonOCC. If not, see <http://www.gnu.org/licenses/>. from OCC.BRepPrimAPI import BRepPrimAPI_MakeBox from OCC.AIS import AIS_Shape from OCC.Quantity import Quantity_NOC_BLACK from OCC.Display.SimpleGui import init_display display, start_display, add_menu, add_function_to_menu = init_display() myBox = BRepPrimAPI_MakeBox(60, 60, 50).Shape() context = display.Context context.SetAutoActivateSelection(False) aisShape = AIS_Shape(myBox) h_aisShape = aisShape.GetHandle() context.Display(h_aisShape) # Set shape transparency, a float number from 0.0 to 1.0 context.SetTransparency(h_aisShape, 0.6) context.HilightWithColor(h_aisShape, Quantity_NOC_BLACK) display.View_Iso() display.FitAll() start_display()
##
##You should have received a copy of the GNU Lesser General Public License
##along with pythonOCC. If not, see <http://www.gnu.org/licenses/>.
from OCC.AIS import AIS_Shape
from OCC.BRepPrimAPI import BRepPrimAPI_MakeSphere
from OCC.Display.SimpleGui import init_display
from OCC.Graphic3d import (Graphic3d_ShaderProgram, Graphic3d_TOS_VERTEX,
Graphic3d_TOS_FRAGMENT, Graphic3d_ShaderObject)
from OCC.TCollection import TCollection_AsciiString
display, start_display, add_menu, add_function_to_menu = init_display()
shape = BRepPrimAPI_MakeSphere(100).Shape()
anIO = AIS_Shape(shape)
display.Context.Display(anIO.GetHandle())
# gragment shader
fs = """
void main(void)
{
gl_FragColor=vec4(0.0, 1.0, 0, 1.0);
}
"""
# vertex shader
vs = """
void main()
{
gl_Position = occProjectionMatrix * occWorldViewMatrix * occModelWorldMatrix * occVertex;
}
def DisplayShape(self,
shapes,
material=None,
texture=None,
color=None,
transparency=None,
update=False):
'''
'''
# if a gp_Pnt is passed, first convert to vertex
if issubclass(shapes.__class__, gp_Pnt):
vertex = BRepBuilderAPI_MakeVertex(shapes)
shapes = [vertex.Shape()]
SOLO = True
elif isinstance(shapes, gp_Pnt2d):
vertex = BRepBuilderAPI_MakeVertex(
gp_Pnt(shapes.X(), shapes.Y(), 0))
shapes = [vertex.Shape()]
SOLO = True
# if a Geom_Curve is passed
elif callable(getattr(shapes, "GetHandle", None)):
handle = shapes.GetHandle()
if issubclass(handle.__class__, Handle_Geom_Curve):
edge = BRepBuilderAPI_MakeEdge(handle)
shapes = [edge.Shape()]
SOLO = True
elif issubclass(handle.__class__, Handle_Geom2d_Curve):
edge2d = BRepBuilderAPI_MakeEdge2d(handle)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(handle.__class__, Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = BRepBuilderAPI_MakeFace()
face.Init(handle, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom_Surface):
bounds = True
toldegen = 1e-6
face = BRepBuilderAPI_MakeFace()
face.Init(shapes, bounds, toldegen)
face.Build()
shapes = [face.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom_Curve):
edge = BRepBuilderAPI_MakeEdge(shapes)
shapes = [edge.Shape()]
SOLO = True
elif isinstance(shapes, Handle_Geom2d_Curve):
edge2d = BRepBuilderAPI_MakeEdge2d(shapes)
shapes = [edge2d.Shape()]
SOLO = True
elif issubclass(shapes.__class__, TopoDS_Shape):
shapes = [shapes]
SOLO = True
else:
SOLO = False
ais_shapes = []
for shape in shapes:
if material or texture:
if texture:
self.View.SetSurfaceDetail(OCC.V3d.V3d_TEX_ALL)
shape_to_display = OCC.AIS.AIS_TexturedShape(shape)
filename, toScaleU, toScaleV, toRepeatU, toRepeatV, originU, originV = texture.GetProperties(
)
shape_to_display.SetTextureFileName(
TCollection_AsciiString(filename))
shape_to_display.SetTextureMapOn()
shape_to_display.SetTextureScale(True, toScaleU, toScaleV)
shape_to_display.SetTextureRepeat(True, toRepeatU,
toRepeatV)
shape_to_display.SetTextureOrigin(True, originU, originV)
shape_to_display.SetDisplayMode(3)
elif material:
shape_to_display = AIS_Shape(shape)
shape_to_display.SetMaterial(material)
else:
# TODO: can we use .Set to attach all TopoDS_Shapes
# to this AIS_Shape instance?
shape_to_display = AIS_Shape(shape)
ais_shapes.append(shape_to_display.GetHandle())
if not SOLO:
# computing graphic properties is expensive
# if an iterable is found, so cluster all TopoDS_Shape under
# an AIS_MultipleConnectedInteractive
shape_to_display = AIS_MultipleConnectedInteractive()
for i in ais_shapes:
shape_to_display.Connect(i)
# set the graphic properties
if material is None:
#The default material is too shiny to show the object
#color well, so I set it to something less reflective
shape_to_display.SetMaterial(Graphic3d_NOM_NEON_GNC)
if color:
if isinstance(color, str):
color = get_color_from_name(color)
for shp in ais_shapes:
self.Context.SetColor(shp, color, False)
if transparency:
shape_to_display.SetTransparency(transparency)
if update:
# only update when explicitely told to do so
self.Context.Display(shape_to_display.GetHandle(), False)
# especially this call takes up a lot of time...
self.FitAll()
self.Repaint()
else:
self.Context.Display(shape_to_display.GetHandle(), False)
if SOLO:
return ais_shapes[0]
else:
return shape_to_display
##You should have received a copy of the GNU Lesser General Public License ##along with pythonOCC. If not, see <http://www.gnu.org/licenses/>. from OCC.AIS import AIS_Shape from OCC.BRepPrimAPI import BRepPrimAPI_MakeBox from OCC.Display.SimpleGui import init_display display, start_display, add_menu, add_function_to_menu = init_display() # # Create a box # s = BRepPrimAPI_MakeBox(200, 100, 50).Shape() # # Create an AIS_Shape from the previous shape # ais_shp = AIS_Shape(s) ais_shp.SetWidth(4) ais_shp.SetTransparency(0.10) # # Get context and display shape # # Get Context ais_context = display.GetContext().GetObject() ais_context.Display(ais_shp.GetHandle()) display.View_Iso() display.FitAll() start_display()