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import vtkmodules.vtkRenderingOpenGL2 # noqa
from vtkmodules.vtkFiltersSources import vtkConeSource
# VTK factory initialization
from vtkmodules.vtkInteractionStyle import vtkInteractorStyleSwitch # noqa
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderer,
vtkRenderWindow,
vtkRenderWindowInteractor,
)
from trame.app import TrameApp
from trame.ui.vuetify3 import SinglePageLayout
from trame.widgets import html, vtk, vuetify3
from trame.decorators import change
class Cone(TrameApp):
def __init__(self, name=None):
super().__init__(server=name)
self._setup_vtk()
self._build_ui()
def _setup_vtk(self):
renderer = vtkRenderer()
render_window = vtkRenderWindow()
render_window.AddRenderer(renderer)
render_window.OffScreenRenderingOn()
render_window_interactor = vtkRenderWindowInteractor()
render_window_interactor.SetRenderWindow(render_window)
render_window_interactor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
cone_source = vtkConeSource()
mapper = vtkPolyDataMapper()
actor = vtkActor()
mapper.SetInputConnection(cone_source.GetOutputPort())
actor.SetMapper(mapper)
renderer.AddActor(actor)
renderer.ResetCamera()
render_window.Render()
self.cone_source = cone_source
self.render_window = render_window
@property
def resolution(self):
return self.state.resolution
@resolution.setter
def resolution(self, v):
with self.state:
self.state.resolution = v
def reset_resolution(self):
self.resolution = 6
def _build_ui(self):
with SinglePageLayout(self.server) as self.ui:
self.ui.icon.click = self.ctrl.view_reset_camera
with self.ui.toolbar:
html.Div("resolution: {{ resolution }}")
vuetify3.VSpacer()
vuetify3.VSlider(
v_model=("resolution", 6), min=3, max=60, step=1, hide_details=True
)
vuetify3.VBtn("Reset", click=self.reset_resolution)
with self.ui.content:
with vtk.VtkRemoteView(
self.render_window,
interactive_ratio=1,
) as view:
self.ctrl.view_update = view.update
self.ctrl.view_reset_camera = view.reset_camera
@change("resolution")
def _on_resolution(self, resolution, **_):
self.cone_source.SetResolution(resolution)
self.ctrl.view_update()
# -----------------------------------------------------------------------------
# Main
# -----------------------------------------------------------------------------
if __name__ == "__main__":
app = Cone()
app.server.start()
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