def material_to_material_aspect(material):
""" Convert a material name to a Graphic3d material
Parameters
----------
material: declaracad.shape.Material
The material definition
Returns
-------
result: Graphic3d_MaterialAspect or None
The material
"""
if material is None or not material.name:
name = 'CHARCOAL'
else:
name = material.name.upper()
if name == 'CUSTOM':
if material._data is not None:
return material._data
a = Graphic3d_MaterialAspect()
a.SetTransparency(material.transparency)
a.SetShininess(material.shininess)
a.SetRefractionIndex(material.refraction_index)
if material.color:
c, t = color_to_quantity_color(material.color)
a.SetColor(c)
if material.ambient_color:
c, t = color_to_quantity_color(material.ambient_color)
a.SetAmbientColor(c)
if material.diffuse_color:
c, t = color_to_quantity_color(material.diffuse_color)
a.SetDiffuseColor(c)
if material.specular_color:
c, t = color_to_quantity_color(material.specular_color)
a.SetSpecularColor(c)
if material.emissive_color:
c, t = color_to_quantity_color(material.emissive_color)
a.SetEmissiveColor(c)
material._data = a
return a
ma = OCC_MATERIAL_CACHE.get(name)
if ma is None:
material_type = 'Graphic3d_NOM_%s' % name
ma = Graphic3d_MaterialAspect(getattr(Graphic3d, material_type))
OCC_MATERIAL_CACHE[name] = ma
return ma
def material_to_material_aspect(material):
""" Convert a material name to a Graphic3d material
Parameters
----------
material: declaracad.shape.Material
The material definition
Returns
-------
result: Graphic3d_MaterialAspect or None
The material
"""
if material.name:
material_type = 'Graphic3d_NOM_%s' % material.name.upper()
return Graphic3d_MaterialAspect(getattr(Graphic3d, material_type))
a = Graphic3d_MaterialAspect()
a.SetTransparency(material.transparency)
a.SetShininess(material.shininess)
a.SetRefractionIndex(material.refraction_index)
if material.color:
c, t = color_to_quantity_color(material.color)
a.SetColor(c)
if material.ambient_color:
c, t = color_to_quantity_color(material.ambient_color)
a.SetAmbientColor(c)
if material.diffuse_color:
c, t = color_to_quantity_color(material.diffuse_color)
a.SetDiffuseColor(c)
if material.specular_color:
c, t = color_to_quantity_color(material.specular_color)
a.SetSpecularColor(c)
if material.emissive_color:
c, t = color_to_quantity_color(material.emissive_color)
a.SetEmissiveColor(c)
return a
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
def TextureRepeat(self, toRepeatU, toRepeatV):
self._toRepeatU = toRepeatU
self._toRepeatV = toRepeatV
def TextureOrigin(self, originU, originV):
self._originU = originU
self._originV = originV
def GetProperties(self):
return (self._filename, self._toScaleU, self._toScaleV,
self._toRepeatU, self._toRepeatV, self._originU, self._originV)
#
# First create texture and a material
#
texture_filename = '../assets/images/ground.bmp'
t = Texture(texture_filename)
m = Graphic3d_MaterialAspect(Graphic3d_NOM_SILVER)
#
# Displays a cylinder with a material and a texture
#
s = BRepPrimAPI_MakeCylinder(60, 200)
display.DisplayShape(s.Shape(), material=m, texture=t)
#
# Display settings
#
display.View_Iso()
display.FitAll()
start_display()