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,
parent=None,
scene=None,
statefilename='.temp_scene.xml',
shareWidget=None):
QGLViewer.__init__(self, parent, shareWidget)
self.set_bg_white()
# set the scene
if scene == None:
scene = self.defaultScene()
self.scene = scene
# set some parameters
self.setAxisIsDrawn(False) # show axis
self.setGridIsDrawn(True) # show grid
orientation = Quaternion(0.475117, 0.472505, 0.524479, 0.525286)
position = Vec(2.91287, -0.0109797, 0.659613)
self.camera().setPosition(position)
self.camera().setOrientation(orientation)
self.camera().setSceneRadius(1) # Size of vectors x,y,z
# connection
self.connect(self, QtCore.SIGNAL("drawNeeded()"), self.draw)
self.orientation_initiale = self.camera().orientation()
self.position_initiale = self.camera().position()
# Block "*.xml" save
self.setStateFileName("")
# Disable Quit in clicking on 'Escape'
# Set "show_axis" instead of "kill_application"
self.setShortcut(0, QtCore.Qt.Key_Escape)
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, parent=None, scene=None, statefilename='.temp_scene.xml', shareWidget=None):
QGLViewer.__init__(self, parent, shareWidget)
self.set_bg_white()
# set the scene
if scene == None:
scene = self.defaultScene()
self.scene = scene
# set some parameters
self.setAxisIsDrawn(False) # show axis
self.setGridIsDrawn(True) # show grid
orientation = Quaternion(0.475117, 0.472505, 0.524479, 0.525286)
position = Vec(2.91287, -0.0109797, 0.659613)
self.camera().setPosition(position)
self.camera().setOrientation(orientation)
self.camera().setSceneRadius(1) # Size of vectors x,y,z
# connection
self.connect(self, QtCore.SIGNAL("drawNeeded()"), self.draw)
self.orientation_initiale = self.camera().orientation()
self.position_initiale = self.camera().position()
# Block "*.xml" save
self.setStateFileName("")
# Disable Quit in clicking on 'Escape'
# Set "show_axis" instead of "kill_application"
self.setShortcut(0, QtCore.Qt.Key_Escape)
def __init__(self,parent):
QGLViewer.__init__(self,parent)
self.scene = None
self.discretizer = Discretizer()
self.glrenderer = GLRenderer(self.discretizer)
self.bboxcomputer = BBoxComputer(self.discretizer)
self.animationMode = eStatic
self.camera().setViewDirection(Vec(-1,0,0))
self.camera().setUpVector(Vec(0,0,1))
def __init__(self, parent=None):
QGLViewer.__init__(self, parent)
self.scene = None
self.discretizer = Discretizer()
self.glrenderer = GLRenderer(self.discretizer)
self.bboxcomputer = BBoxComputer(self.discretizer)
self.animationMode = eStatic
self.forceclear = True
self.camera().setViewDirection(Vec(-1, 0, 0))
self.camera().setUpVector(Vec(0, 0, 1))
def mouseReleaseEvent(self, event):
QGLViewer.mouseReleaseEvent(self, event)
def mouseDoubleClickEvent(self, event):
QGLViewer.mouseDoubleClickEvent(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 mouseReleaseEvent(self, event):
self.__oldX = None
self.__oldY = None
self.__scalingDirection = None
QGLViewer.mouseReleaseEvent(self, event)
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):
QGLViewer.mouseReleaseEvent(self,event)
def mouseDoubleClickEvent(self,event):
QGLViewer.mouseDoubleClickEvent(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 mouseReleaseEvent(self, event):
self.__oldX = None
self.__oldY = None
self.__scalingDirection = None
QGLViewer.mouseReleaseEvent(self, event)
def mousePressEvent(self, event):
if event.button() == QtCore.Qt.MidButton:
self.__oldX = event.x()
self.__oldY = event.y()
else:
QGLViewer.mousePressEvent(self, event)
