def set_selection_mode(self, mode):
""" Set the selection mode.
Parameters
----------
mode: String
The mode to use (Face, Edge, Vertex, Shell, or Solid)
"""
ais_context = self.ais_context
ais_context.Deactivate()
if mode == 'any':
for mode in (TopAbs.TopAbs_SHAPE, TopAbs.TopAbs_SHELL,
TopAbs.TopAbs_FACE, TopAbs.TopAbs_EDGE,
TopAbs.TopAbs_WIRE, TopAbs.TopAbs_VERTEX):
ais_context.Activate(AIS_Shape.SelectionMode_(mode))
return
attr = 'TopAbs_%s' % mode.upper()
mode = getattr(TopAbs, attr, TopAbs.TopAbs_SHAPE)
ais_context.Activate(AIS_Shape.SelectionMode_(mode))
def _default_ais_shape(self):
""" Generate the AIS shape for the viewer to display.
This is only invoked when the viewer wants to display the shape.
"""
d = self.declaration
if d.texture is not None:
texture = d.texture
ais_shape = AIS_TexturedShape(self.shape)
if os.path.exists(texture.path):
path = TCollection_AsciiString(texture.path)
ais_shape.SetTextureFileName(path)
params = texture.repeat
ais_shape.SetTextureRepeat(params.enabled, params.u, params.v)
params = texture.origin
ais_shape.SetTextureOrigin(params.enabled, params.u, params.v)
params = texture.scale
ais_shape.SetTextureScale(params.enabled, params.u, params.v)
ais_shape.SetTextureMapOn()
ais_shape.SetDisplayMode(3)
else:
ais_shape = AIS_Shape(self.shape)
ais_shape.SetTransparency(d.transparency)
if d.color:
c, a = color_to_quantity_color(d.color)
ais_shape.SetColor(c)
if a is not None:
ais_shape.SetTransparency(a)
if d.material.name:
ma = material_to_material_aspect(d.material)
ais_shape.SetMaterial(ma)
ais_shape.SetLocalTransformation(self.location.Transformation())
return ais_shape
def display_shape(self,
shape,
rgb=None,
transparency=None,
material=Graphic3d_NOM_DEFAULT):
"""
Display a shape.
:param OCCT.TopoDS.TopoDS_Shape shape: The shape.
:param rgb: The RGB color (r, g, b).
:type rgb: collections.Sequence[float] or OCCT.Quantity.Quantity_Color
:param float transparency: The transparency (0 to 1).
:param OCCT.Graphic3d.Graphic3d_NameOfMaterial material: The material.
:return: The AIS_Shape created for the part.
:rtype: OCCT.AIS.AIS_Shape
"""
ais_shape = AIS_Shape(shape)
if isinstance(rgb, (tuple, list)):
r, g, b = rgb
if r > 1.:
r /= 255.
if g > 1.:
g /= 255.
if b > 1.:
b /= 255.
color = Quantity_Color(r, g, b, Quantity_TOC_RGB)
ais_shape.SetColor(color)
elif isinstance(rgb, Quantity_Color):
ais_shape.SetColor(rgb)
if transparency is not None:
ais_shape.SetTransparency(transparency)
ma = Graphic3d_MaterialAspect(material)
ais_shape.SetMaterial(ma)
self.my_context.Display(ais_shape, True)
return ais_shape
##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 OCCT.BRepPrimAPI import BRepPrimAPI_MakeBox from OCCT.AIS import AIS_Shape 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) context.Display(aisShape, True) # Set shape transparency, a float number from 0.0 to 1.0 context.SetTransparency(aisShape, 0.6, True) owner = aisShape.GetOwner() drawer = aisShape.DynamicHilightAttributes() # TODO: how do we set the color ? Quantity_NOC_RED context.HilightWithColor(aisShape, drawer, True) display.View_Iso() display.FitAll() start_display()
def display_shape(self,
shape,
color=None,
transparency=None,
material=None,
texture=None,
update=True):
""" Display a shape.
Parameters
----------
shape: OCCT.TopoDS.TopoDS_Shape
The shape to display
color: collections.Sequence(float) or OCCT.Quantity.Quantity_Color
The enaml color
transparency: float
The transparency (0 to 1).
material: String
The material to render the shape.
texture: declaracad.occ.shape.Texture
The texture to apply to the shape.
Returns
-------
ais_shape: OCCT.AIS.AIS_Shape
The AIS_Shape created for the part.
"""
if texture is not None:
ais_shape = AIS_TexturedShape(shape)
if os.path.exists(texture.path):
ais_shape.SetTextureFileName(
TCollection_AsciiString(texture.path))
params = texture.repeat
ais_shape.SetTextureRepeat(params.enabled, params.u, params.v)
params = texture.origin
ais_shape.SetTextureOrigin(params.enabled, params.u, params.v)
params = texture.scale
ais_shape.SetTextureScale(params.enabled, params.u, params.v)
ais_shape.SetTextureMapOn()
ais_shape.SetDisplayMode(3)
else:
ais_shape = AIS_Shape(shape)
if color:
color, alpha = color_to_quantity_color(color)
ais_shape.SetColor(color)
if alpha is not None:
ais_shape.SetTransparency(alpha)
elif material is None and texture is None:
color, alpha = self.shape_color
ais_shape.SetColor(color)
if alpha is not None:
ais_shape.SetTransparency(alpha)
if transparency is not None:
ais_shape.SetTransparency(transparency)
if material is not None:
ma = material_to_material_aspect(material)
ais_shape.SetMaterial(ma)
self.ais_context.Display(ais_shape, update)
return ais_shape
##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 OCCT.AIS import AIS_Shape
from OCCT.BRepPrimAPI import BRepPrimAPI_MakeSphere
from OCCT.Graphic3d import (Graphic3d_ShaderProgram, Graphic3d_TOS_VERTEX,
Graphic3d_TOS_FRAGMENT, Graphic3d_ShaderObject)
from OCCT.TCollection import TCollection_AsciiString
from OCC.Display.SimpleGui import init_display
display, start_display, add_menu, add_function_to_menu = init_display()
shape = BRepPrimAPI_MakeSphere(100).Shape()
anIO = AIS_Shape(shape)
display.Context.Display(anIO, True)
# 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;
## ##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 OCCT.AIS import AIS_Shape from OCCT.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() ais_context.Display(ais_shp, True) display.View_Iso() display.FitAll() start_display()
##pythonOCC is free software: you can redistribute it and/or modify ##it under the terms of the GNU Lesser General Public License as published by ##the Free Software Foundation, either version 3 of the License, or ##(at your option) any later version. ## ##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 OCCT.gp import gp_Dir, gp_Ax2, gp_Circ, gp_Pnt from OCCT.AIS import AIS_Shape, AIS_RadiusDimension from OCCT.BRepBuilderAPI import BRepBuilderAPI_MakeEdge from OCC.Display.SimpleGui import init_display display, start_display, add_menu, add_function_to_menu = init_display() c = gp_Circ(gp_Ax2(gp_Pnt(200., 200., 0.), gp_Dir(0., 0., 1.)), 80) ec = BRepBuilderAPI_MakeEdge(c).Edge() ais_shp = AIS_Shape(ec) display.Context.Display(ais_shp, True) rd = AIS_RadiusDimension(ec) #rd.SetArrowSize(12) display.Context.Display(rd, True) display.FitAll() start_display()