def remove_item(self):
for item in self.selectedItems():
if item == item.root() or item.object in item.root().object.items:
self.removeItemWidget(item, 0)
self.signal_item_removed.emit(item)
del item
else:
log.warn("can not remove item")
def remove_item(self):
for item in self.selectedItems():
if item == item.root() or item.object in item.root().object.items:
self.removeItemWidget(item, 0)
self.signal_item_removed.emit(item)
del item
else:
log.warn("can not remove item")
def load(self, func_name="load"):
"""
Defers actually loading the scene until necessary.
"""
if not self.loaded and not self.bad:
log.debug("[%s] reading %s" % (func_name, self.filepath))
try:
super(SceneWrapper, self).__init__(self.filepath)
self.loaded = True
except Exception, e:
log.warn("BAD ARCHIVE: %s\n%s" % (self.filepath, str(e)))
self.bad = True
def load(self, func_name="load"):
"""
Defers actually loading the scene until necessary.
"""
if not self.loaded and not self.bad:
log.debug("[%s] reading %s" % (func_name, self.filepath))
try:
super(SceneWrapper, self).__init__(self.filepath)
self.loaded = True
except Exception, e:
log.warn("BAD ARCHIVE: %s\n%s" % (self.filepath, str(e)))
self.bad = True
def set_camera(self, camera="interactive"):
"""
Sets the scene camera from a given camera name string
:param camera: Name of camera or GLCamera object
"""
if type(camera) in [str, unicode]:
if "/" in camera:
camera = os.path.split("/")[-1]
if camera not in [cam.name for cam in self.state.cameras]:
log.warn("camera not found: %s" % camera)
return
self.camera = self.state.get_camera_by_name(camera)
else:
self.camera = camera
self.resizeGL(self.width(), self.height())
self.signal_set_camera.emit(self.camera)
def set_camera(self, camera="interactive"):
"""
Sets the scene camera from a given camera name string
:param camera: Name of camera or GLCamera object
"""
if type(camera) in [str, unicode]:
if "/" in camera:
camera = os.path.split("/")[-1]
if camera not in [cam.name for cam in self.state.cameras]:
log.warn("camera not found: %s" % camera)
return
self.camera = self.state.get_camera_by_name(camera)
else:
self.camera = camera
self.resizeGL(self.width(), self.height())
self.signal_set_camera.emit(self.camera)
def _draw(obj):
md = obj.getMetaData()
if alembic.AbcGeom.IPolyMesh.matches(
md) or alembic.AbcGeom.ISubD.matches(md):
meshObj = alembic.AbcGeom.IPolyMesh(obj.getParent(),
obj.getName())
mesh = meshObj.getSchema()
xf = get_final_matrix(meshObj)
iss = alembic.Abc.ISampleSelector(0)
facesProp = mesh.getFaceIndicesProperty()
if not facesProp.valid():
return
pointsProp = mesh.getPositionsProperty()
if not pointsProp.valid():
return
normalsProp = mesh.getNormalsParam().getValueProperty()
if not normalsProp.valid():
return
boundsProp = mesh.getSelfBoundsProperty()
if not boundsProp.valid():
return
faces = facesProp.getValue(iss)
points = pointsProp.getValue(iss)
normals = normalsProp.getValue(iss)
bounds = boundsProp.getValue(iss)
for i, fi in enumerate(faces):
p = points[fi] * xf
n = normals[i]
v = p + n
glBegin(GL_LINES)
glColor3f(0, 1, 0)
glVertex3f(p[0], p[1], p[2])
glVertex3f(v[0], v[1], v[2])
glEnd()
for child in obj.children:
try:
_draw(child)
except Exception, e:
log.warn("unhandled exception: %s" % e)
def _draw(obj):
md = obj.getMetaData()
if alembic.AbcGeom.IPolyMesh.matches(md) or alembic.AbcGeom.ISubD.matches(md):
meshObj = alembic.AbcGeom.IPolyMesh(obj.getParent(), obj.getName())
mesh = meshObj.getSchema()
xf = get_final_matrix(meshObj)
iss = alembic.Abc.ISampleSelector(0)
facesProp = mesh.getFaceIndicesProperty()
if not facesProp.valid():
return
pointsProp = mesh.getPositionsProperty()
if not pointsProp.valid():
return
normalsProp = mesh.getNormalsParam().getValueProperty()
if not normalsProp.valid():
return
boundsProp = mesh.getSelfBoundsProperty()
if not boundsProp.valid():
return
faces = facesProp.getValue(iss)
points = pointsProp.getValue(iss)
normals = normalsProp.getValue(iss)
bounds = boundsProp.getValue(iss)
for i, fi in enumerate(faces):
p = points[fi] * xf
n = normals[i]
v = p + n
glBegin(GL_LINES)
glColor3f(0, 1, 0)
glVertex3f(p[0], p[1], p[2])
glVertex3f(v[0], v[1], v[2])
glEnd()
for child in obj.children:
try:
_draw(child)
except Exception, e:
log.warn("unhandled exception: %s" % e)
def create_viewer_app(filepath=None):
"""
Creates a standalone viewer app. ::
>>> from abcview.widget.viewer_widget import create_viewer_app
>>> create_viewer_app("file.abc")
"""
app = QtGui.QApplication(sys.argv)
# create the viewer widget
viewer = GLWidget()
viewer_group = QtGui.QGroupBox()
viewer_group.setLayout(QtGui.QVBoxLayout())
viewer_group.layout().setSpacing(0)
viewer_group.layout().setMargin(0)
viewer_group.layout().addWidget(viewer)
viewer_group.setWindowTitle("GLWidget")
# set default size
viewer_group.setMinimumSize(QtCore.QSize(100, 100))
viewer_group.resize(500, 300)
# display the viewer app
viewer_group.show()
viewer_group.raise_()
# override key press event handler
viewer_group.keyPressEvent = viewer.keyPressEvent
# open a file
if filepath:
if os.path.exists(filepath):
viewer.add_file(filepath)
else:
log.warn("file not found: %s" % filepath)
return app.exec_()
def create_viewer_app(filepath=None):
"""
Creates a standalone viewer app. ::
>>> from abcview.widget.viewer_widget import create_viewer_app
>>> create_viewer_app("file.abc")
"""
app = QtGui.QApplication(sys.argv)
# create the viewer widget
viewer = GLWidget()
viewer_group = QtGui.QGroupBox()
viewer_group.setLayout(QtGui.QVBoxLayout())
viewer_group.layout().setSpacing(0)
viewer_group.layout().setMargin(0)
viewer_group.layout().addWidget(viewer)
viewer_group.setWindowTitle("GLWidget")
# set default size
viewer_group.setMinimumSize(QtCore.QSize(100, 100))
viewer_group.resize(500, 300)
# display the viewer app
viewer_group.show()
viewer_group.raise_()
# override key press event handler
viewer_group.keyPressEvent = viewer.keyPressEvent
# open a file
if filepath:
if os.path.exists(filepath):
viewer.add_file(filepath)
else:
log.warn("file not found: %s" % filepath)
return app.exec_()
def _set_parent(self, parent):
if type(parent) in (Scene, Session) or parent == None:
self._parent = parent
else:
log.warn("cannot parent to: %s" % parent)
def _set_parent(self, parent):
if type(parent) in (Scene, Session) or parent == None:
self._parent = parent
else:
log.warn("cannot parent to: %s" % parent)
