def __init__(self, parent, profile=None):
QGLViewer.__init__(self, parent)
self.__profile = None
self.__position = 0
self.__positionCurve = None
self.increment = 0.01
self._axisScaleTolerance = abs(pi / 8.) # (radians)
#states
self.__oldY = None
self.__scalingDirection = None
#ranges
self.__param_min = 0.0
self.__param_max = 1.0
# --rendering components --
self.factor = [1., 1., 1.] #x, y, z scene scaling factors.
self.discretizer = Discretizer()
self.renderer = GLRenderer(self.discretizer)
self.renderer.renderingMode = GLRenderer.Dynamic
# -- addons --
self._addons = []
self.visualSections = VisualCrossSectionsAddOn(self)
self.grids = GridAddOn(self)
self.userSlices = UserSlicesAddOn(self)
def sc_to_blender (sc) :
"""Export each shape in the scene as a new object
:Parameters:
- `sc` (Scene) - the scene to transform
:Returns Type: None
"""
bldsc = Scene.GetCurrent()
#fill with shapes
t = time.time()
d = Discretizer()
for ind,shp in enumerate(sc) :
if ind % 10 == 0 :
print(ind)
sys.stdout.flush()
ob = shp_to_blender(shp,d)
bldsc.link(ob)
ob.sel = True
print()
print('Time :', time.time() - t)
#return
print("created")
bldsc.update(1)
Blender.Redraw()
return ob
def __init__(self,parent, profile=None):
QGLViewer.__init__(self,parent)
self.__profile = None
self.__position = 0
self.__positionCurve = None
self.increment = 0.01
self._axisScaleTolerance = abs(pi/8.) # (radians)
#states
self.__oldY = None
self.__scalingDirection = None
#ranges
self.__param_min = 0.0
self.__param_max = 1.0
# --rendering components --
self.factor = [1., 1., 1.] #x, y, z scene scaling factors.
self.discretizer = Discretizer()
self.renderer = GLRenderer(self.discretizer)
self.renderer.renderingMode = GLRenderer.Dynamic
# -- addons --
self._addons = []
self.visualSections = VisualCrossSectionsAddOn(self)
self.grids = GridAddOn(self)
self.userSlices = UserSlicesAddOn(self)
class ProfileViewer(QGLViewer):
_posCurveColorF = [0.0, 1.0, 0.0]
positionChanged = QtCore.Signal(int)
userSectionHighlighted = QtCore.Signal(object, object)
def __init__(self, parent, profile=None):
QGLViewer.__init__(self, parent)
self.__profile = None
self.__position = 0
self.__positionCurve = None
self.increment = 0.01
self._axisScaleTolerance = abs(pi / 8.) # (radians)
#states
self.__oldY = None
self.__scalingDirection = None
#ranges
self.__param_min = 0.0
self.__param_max = 1.0
# --rendering components --
self.factor = [1., 1., 1.] #x, y, z scene scaling factors.
self.discretizer = Discretizer()
self.renderer = GLRenderer(self.discretizer)
self.renderer.renderingMode = GLRenderer.Dynamic
# -- addons --
self._addons = []
self.visualSections = VisualCrossSectionsAddOn(self)
self.grids = GridAddOn(self)
self.userSlices = UserSlicesAddOn(self)
def init(self):
self.camera().setUpVector(Vec(0, 1, 0))
self.camera().setType(Camera.ORTHOGRAPHIC)
self.camConstraint = WorldConstraint()
self.camera().frame().setConstraint(self.camConstraint)
self.camera().setZClippingCoefficient(4) #arbitrary.
self.showEntireScene()
def set_axis_scale_tolerance(self, tolerance):
self._axisScaleTolerance = abs(tolerance)
def set_profile(self, profile):
if profile is not None:
profile.add_update_callback(self.__profileChanged)
self.__profile = profile
# -- recompute stuff --
self.__param_min, self.__param_max = profile.get_param_range()
self.increment = (self.__param_max - self.__param_min) / 100
for addon in self._addons:
addon._init_from_profile(profile)
self.set_position(self.range()[0])
else:
self.__clearCaches()
self.__profile = None
def profile(self):
return self.__profile
def range(self):
return self.__param_min, self.__param_max
def position(self):
return self.__position
def set_position(self, position):
# -- clamp position --
min, max = self.range()
if position > max: position = max
if position < min: position = min
self.__position = position
self.update_displayed_geometry()
self.positionChanged.emit(position)
if position not in self.__profile:
position = self.round_within_increment(position)
if position in self.__profile:
self.userSectionHighlighted.emit(position,
self.__profile[position])
def round_within_increment(self, pos):
keys = list(
map(self.unnormalised_parameter, iter(self.__profile.keys())))
for k in keys:
if abs(k - pos) <= self.increment:
return k
return pos
#########################
# Normalisation Helpers #
#########################
def normalised_parameter(self, par, **kwargs):
if self.__profile:
return self.__profile.normalised_parameter(par, **kwargs)
def normalised_abscissa(self, par, **kwargs):
if self.__profile:
return self.__profile.normalised_abscissa(par, **kwargs)
def unnormalised_parameter(self, par, **kwargs):
if self.__profile:
return self.__profile.unnormalised_parameter(par, **kwargs)
def unnormalised_abscissa(self, par, **kwargs):
if self.__profile:
return self.__profile.unnormalised_abscissa(par, **kwargs)
#################
# Painting code #
#################
def draw(self):
self.setBackgroundColor(QtGui.QColor(0, 0, 0))
glDisable(GL_LIGHTING)
glEnable(GL_LINE_SMOOTH)
glEnable(GL_BLEND)
glEnable(GL_ALPHA_TEST)
glAlphaFunc(GL_GREATER, 0.1)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
mat = 16 * [0]
mat[0] = self.factor[0]
mat[5] = self.factor[1]
mat[10] = self.factor[2]
mat[15] = 1.
glMultMatrixd(mat)
if self.__profile is not None:
self.discretizer.clear()
if self.__positionCurve:
for addon in self._addons:
addon._draw(self.renderer)
glColor4f(0.0, 1.0, 0.0, 1.0)
glDisable(GL_DEPTH_TEST)
self.__positionCurve.apply(self.renderer)
glEnable(GL_DEPTH_TEST)
glPopMatrix()
###############################
# Qt Event Handlers overloads #
###############################
def mousePressEvent(self, event):
if event.button() == QtCore.Qt.MidButton:
self.__oldX = event.x()
self.__oldY = event.y()
else:
QGLViewer.mousePressEvent(self, event)
def mouseReleaseEvent(self, event):
self.__oldX = None
self.__oldY = None
self.__scalingDirection = None
QGLViewer.mouseReleaseEvent(self, event)
def mouseMoveEvent(self, event):
if self.__oldY is not None:
pos = self.__position
#some values that are used a bit everywhere
newX, newY = event.x(), event.y()
xDiff = float(newX - self.__oldX)
yDiff = float(newY - self.__oldY)
cartDist = sqrt(yDiff**2 + xDiff**2)
mod = event.modifiers()
if mod != QtCore.Qt.ControlModifier:
delta = newY - self.__oldY
if delta > 0:
pos += self.increment
elif delta < 0:
pos -= self.increment
self.__oldY = newY
self.set_position(pos)
elif self.__scalingDirection is None:
if cartDist < 50: #pixels
return
#compute direction coefficient of the mouse pointer to the screen center
if xDiff == 0.0:
return
pA = atan2(yDiff, xDiff)
tol = self._axisScaleTolerance
#compute projected direction coefficients of axes
camera = self.camera()
origin = camera.getProjectedCoordinatesOf(Vec(0., 0., 0.))
xProj = camera.getProjectedCoordinatesOf(Vec(1., 0., 0.))
yProj = camera.getProjectedCoordinatesOf(Vec(0., 1., 0.))
zProj = camera.getProjectedCoordinatesOf(Vec(0., 0., 1.))
xVec = (xProj[0] - origin[0]), (xProj[1] - origin[1])
yVec = (yProj[0] - origin[0]), (yProj[1] - origin[1])
zVec = (zProj[0] - origin[0]), (zProj[1] - origin[1])
#angles
if xVec[0] == 0.0 or yVec[0] == 0.0 or zVec[0] == 0.0:
return
xA = atan(xVec[1] / xVec[0])
yA = atan(yVec[1] / yVec[0])
zA = atan(zVec[1] / zVec[0])
dire = min((abs(xA % pi - pA % pi), 0, pA, xVec),
(abs(yA % pi - pA % pi), 1, pA, yVec),
(abs(zA % pi - pA % pi), 2, pA, zVec))
self.__scalingDirection = dire if (dire[0] <= tol) else None
elif self.__scalingDirection is not None:
angD, dire, angle, vec = self.__scalingDirection
#cartDist is used to obtain a significant difference
#or else computations are screwed.
if xDiff != 0.0 and yDiff != 0 and cartDist > 5:
pA = atan2(yDiff, xDiff)
if pA < 0: pA += 2 * pi
if angle < 0: angle += 2 * pi
angleDiv = int(angle / pi * 2)
mouseDiv = int(pA / pi * 2)
positive = angleDiv == mouseDiv
f = self.factor[dire]
f = f * 1.02 if positive else f * 0.98
self.factor[dire] = f
self.__oldY = newY
self.__oldX = newX
self.update()
else:
QGLViewer.mouseMoveEvent(self, event)
def keyPressEvent(self, event):
key = event.key()
if key in [QtCore.Qt.Key_Return, QtCore.Qt.Key_Return]:
self.__profile.create_cross_section(self.__position)
elif key == QtCore.Qt.Key_Delete:
position = self.round_within_increment(self.__position)
if position in self.__profile:
del self.__profile[position]
##############################
# Internal State Maintenance #
##############################
def update_displayed_geometry(self):
if self.__profile:
# -- 'add-ons' --
for addon in self._addons:
addon._compute(self.__profile)
self.__positionCurve = self.__profile(self.__position)
self.update()
def __clearCaches(self):
for addon in self._addons:
addon.clear_caches()
def __profileChanged(self):
# -- cleanup caches --
self.__clearCaches()
# -- recompute stuff --
self.__param_min, self.__param_max = self.__profile.get_param_range()
self.increment = (self.__param_max - self.__param_min) / 100
for addon in self._addons:
addon._interpolation_changed()
self.update_displayed_geometry()
def geometry_to_blender (geom, bld_mesh = None, discretizer = None) :
"""Create a blender mesh
Paint the faces too if needed
:Parameters:
- `geom` (pgl.Geometry) - the geometry to transform
- `bld_mesh` (Mesh) - a mesh in which to append the shape.
If None, a blank new one will be created
- `discretizer` (Discretizer) - algorithm to triangulate the geometry
:Returns Type: Mesh
"""
#create bld_mesh
if bld_mesh is None :
if geom.isNamed() :
name = geom.name
else :
name = "pglgeom%d" % geom.getId()
bld_mesh = Mesh.New(name)
#geometry (mesh)
if discretizer is None:
d = Discretizer()
else:
d = discretizer
geom.apply(d)
geom = d.result
#fill mesh
pts = array(geom.pointList)
nbv = len(bld_mesh.verts)
faces = nbv + array(geom.indexList)
bld_mesh.verts.extend(pts)
nbf = len(bld_mesh.faces)
bld_mesh.faces.extend(faces.tolist() )
#set vertex colors if needed
mat = None
if not geom.isColorListToDefault() :
bld_mesh.vertexColors = True
#create material to render mesh colors
try :
mat = Material.Get("default_vtx_mat")
except NameError :
mat = Material.New("default_vtx_mat")
mat.mode += Material.Modes['VCOL_PAINT']
bld_mesh.materials = [mat]
#modify color list to duplicate colors per face per vertex
if geom.colorPerVertex and geom.isColorIndexListToDefault() :
#each vertex has a color
for i,inds in enumerate(faces) :
face = bld_mesh.faces[nbf + i]
for j,v in enumerate(face) :
col = face.col[j]
pglcol = geom.colorList[geom.indexList[i][j] ]
col.r = pglcol.red
col.g = pglcol.green
col.b = pglcol.blue
col.a = pglcol.alpha
elif geom.colorPerVertex and not geom.isColorIndexListToDefault() :
#each local vertex of each face has a color
for i,inds in enumerate(geom.colorIndexList) :
face = bld_mesh.faces[nbf + i]
for j,v in enumerate(face) :
col = face.col[j]
pglcol = geom.colorList[inds[j] ]
col.r = pglcol.red
col.g = pglcol.green
col.b = pglcol.blue
col.a = pglcol.alpha
else :
#each face has a color
for i,col in enumerate(geom.colorList) :
face = bld_mesh.faces[nbf + i]
R,G,B,A = col.red,col.green,col.blue,col.alpha
for j,v in enumerate(face) :
col = face.col[j]
col.r = R
col.g = G
col.b = B
col.a = A
# #assign
# for fid in xrange(nb,len(bld_mesh.faces) ) :
# face = bld_mesh.faces[fid]
# for i,v in enumerate(face) :
# col = face.col[i]
# col.r = ambient.red
# col.g = ambient.green
# col.b = ambient.blue
# for vtx in bld_mesh.verts :
# vtx.sel = 0
#return
return bld_mesh,mat
class ProfileViewer (QGLViewer):
_posCurveColorF = [0.0,1.0,0.0]
positionChanged = QtCore.Signal(int)
userSectionHighlighted = QtCore.Signal(object, object)
def __init__(self,parent, profile=None):
QGLViewer.__init__(self,parent)
self.__profile = None
self.__position = 0
self.__positionCurve = None
self.increment = 0.01
self._axisScaleTolerance = abs(pi/8.) # (radians)
#states
self.__oldY = None
self.__scalingDirection = None
#ranges
self.__param_min = 0.0
self.__param_max = 1.0
# --rendering components --
self.factor = [1., 1., 1.] #x, y, z scene scaling factors.
self.discretizer = Discretizer()
self.renderer = GLRenderer(self.discretizer)
self.renderer.renderingMode = GLRenderer.Dynamic
# -- addons --
self._addons = []
self.visualSections = VisualCrossSectionsAddOn(self)
self.grids = GridAddOn(self)
self.userSlices = UserSlicesAddOn(self)
def init(self):
self.camera().setUpVector(Vec(0,1,0))
self.camera().setType(Camera.ORTHOGRAPHIC)
self.camConstraint = WorldConstraint()
self.camera().frame().setConstraint(self.camConstraint)
self.camera().setZClippingCoefficient(4) #arbitrary.
self.showEntireScene()
def set_axis_scale_tolerance(self, tolerance):
self._axisScaleTolerance = abs(tolerance)
def set_profile(self, profile):
if profile is not None:
profile.add_update_callback(self.__profileChanged)
self.__profile = profile
# -- recompute stuff --
self.__param_min,self.__param_max=profile.get_param_range()
self.increment = (self.__param_max - self.__param_min)/100
for addon in self._addons:
addon._init_from_profile(profile)
self.set_position(self.range()[0])
else:
self.__clearCaches()
self.__profile = None
def profile(self):
return self.__profile
def range(self):
return self.__param_min, self.__param_max
def position(self):
return self.__position
def set_position(self, position):
# -- clamp position --
min, max = self.range()
if position > max: position = max
if position < min: position = min
self.__position=position
self.update_displayed_geometry()
self.positionChanged.emit(position)
if position not in self.__profile:
position = self.round_within_increment(position)
if position in self.__profile:
self.userSectionHighlighted.emit(position, self.__profile[position])
def round_within_increment(self, pos):
keys = map(self.unnormalised_parameter, self.__profile.iterkeys())
for k in keys:
if abs(k-pos) <= self.increment:
return k
return pos
#########################
# Normalisation Helpers #
#########################
def normalised_parameter(self, par, **kwargs):
if self.__profile:
return self.__profile.normalised_parameter(par, **kwargs)
def normalised_abscissa(self, par, **kwargs):
if self.__profile:
return self.__profile.normalised_abscissa(par, **kwargs)
def unnormalised_parameter(self, par, **kwargs):
if self.__profile:
return self.__profile.unnormalised_parameter(par, **kwargs)
def unnormalised_abscissa(self, par, **kwargs):
if self.__profile:
return self.__profile.unnormalised_abscissa(par, **kwargs)
#################
# Painting code #
#################
def draw(self):
self.setBackgroundColor(QtGui.QColor(0,0,0))
glDisable(GL_LIGHTING)
glEnable(GL_LINE_SMOOTH)
glEnable(GL_BLEND)
glEnable(GL_ALPHA_TEST)
glAlphaFunc ( GL_GREATER, 0.1 )
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
glMatrixMode(GL_MODELVIEW)
glPushMatrix()
mat = 16*[0]
mat[0] = self.factor[0]
mat[5] = self.factor[1]
mat[10] = self.factor[2]
mat[15] = 1.
glMultMatrixd(mat)
if self.__profile is not None:
self.discretizer.clear()
if self.__positionCurve:
for addon in self._addons:
addon._draw(self.renderer)
glColor4f(0.0,1.0,0.0,1.0)
glDisable(GL_DEPTH_TEST)
self.__positionCurve.apply(self.renderer)
glEnable(GL_DEPTH_TEST)
glPopMatrix()
###############################
# Qt Event Handlers overloads #
###############################
def mousePressEvent(self, event):
if event.button() == QtCore.Qt.MidButton:
self.__oldX = event.x()
self.__oldY = event.y()
else:
QGLViewer.mousePressEvent(self, event)
def mouseReleaseEvent(self, event):
self.__oldX = None
self.__oldY = None
self.__scalingDirection = None
QGLViewer.mouseReleaseEvent(self, event)
def mouseMoveEvent(self, event):
if self.__oldY is not None:
pos = self.__position
#some values that are used a bit everywhere
newX, newY = event.x(), event.y()
xDiff = float(newX-self.__oldX)
yDiff = float(newY-self.__oldY)
cartDist = sqrt(yDiff**2+xDiff**2)
mod = event.modifiers()
if mod != QtCore.Qt.ControlModifier:
delta = newY - self.__oldY
if delta > 0:
pos += self.increment
elif delta < 0:
pos -= self.increment
self.__oldY = newY
self.set_position(pos)
elif self.__scalingDirection is None:
if cartDist < 50 : #pixels
return
#compute direction coefficient of the mouse pointer to the screen center
if xDiff==0.0:
return
pA = atan2(yDiff,xDiff)
tol = self._axisScaleTolerance
#compute projected direction coefficients of axes
camera = self.camera()
origin = camera.getProjectedCoordinatesOf(Vec(0.,0.,0.))
xProj = camera.getProjectedCoordinatesOf(Vec(1.,0.,0.))
yProj = camera.getProjectedCoordinatesOf(Vec(0.,1.,0.))
zProj = camera.getProjectedCoordinatesOf(Vec(0.,0.,1.))
xVec = (xProj[0] - origin[0]),(xProj[1] - origin[1])
yVec = (yProj[0] - origin[0]),(yProj[1] - origin[1])
zVec = (zProj[0] - origin[0]),(zProj[1] - origin[1])
#angles
if xVec[0]==0.0 or yVec[0]==0.0 or zVec[0]==0.0:
return
xA = atan(xVec[1]/xVec[0])
yA = atan(yVec[1]/yVec[0])
zA = atan(zVec[1]/zVec[0])
dire = min( ( abs(xA%pi-pA%pi),0,pA,xVec),
( abs(yA%pi-pA%pi),1,pA,yVec),
( abs(zA%pi-pA%pi),2,pA,zVec) )
self.__scalingDirection = dire if (dire[0] <= tol) else None
elif self.__scalingDirection is not None:
angD, dire, angle, vec = self.__scalingDirection
#cartDist is used to obtain a significant difference
#or else computations are screwed.
if xDiff != 0.0 and yDiff != 0 and cartDist > 5 :
pA = atan2(yDiff,xDiff)
if pA < 0: pA += 2*pi
if angle < 0: angle +=2*pi
angleDiv = int(angle/pi*2)
mouseDiv = int(pA/pi*2)
positive = angleDiv == mouseDiv
f = self.factor[dire]
f = f*1.02 if positive else f*0.98
self.factor[dire] = f
self.__oldY = newY
self.__oldX = newX
self.update()
else:
QGLViewer.mouseMoveEvent(self, event)
def keyPressEvent(self, event):
key = event.key()
if key in [QtCore.Qt.Key_Return,QtCore.Qt.Key_Return]:
self.__profile.create_cross_section(self.__position)
elif key == QtCore.Qt.Key_Delete:
position = self.round_within_increment(self.__position)
if position in self.__profile:
del self.__profile[position]
##############################
# Internal State Maintenance #
##############################
def update_displayed_geometry(self):
if self.__profile:
# -- 'add-ons' --
for addon in self._addons:
addon._compute(self.__profile)
self.__positionCurve = self.__profile(self.__position)
self.update()
def __clearCaches(self):
for addon in self._addons:
addon.clear_caches()
def __profileChanged(self):
# -- cleanup caches --
self.__clearCaches()
# -- recompute stuff --
self.__param_min,self.__param_max=self.__profile.get_param_range()
self.increment = (self.__param_max - self.__param_min)/100
for addon in self._addons:
addon._interpolation_changed()
self.update_displayed_geometry()
