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import vtkmodules.vtkRenderingOpenGL2 # noqa
# -----------------------------------------------------------------------------
# VTK
# -----------------------------------------------------------------------------
from vtkmodules.vtkFiltersSources import vtkConeSource
from vtkmodules.vtkInteractionStyle import vtkInteractorStyleSwitch # noqa
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderer,
vtkRenderWindow,
vtkRenderWindowInteractor,
)
from trame.app import get_server
from trame.ui.html import DivLayout
from trame.widgets import html, trame, vtk
DEFAULT_RESOLUTION = 6
renderer = vtkRenderer()
renderWindow = vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderWindowInteractor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
cone_source = vtkConeSource()
mapper = vtkPolyDataMapper()
actor = vtkActor()
mapper.SetInputConnection(cone_source.GetOutputPort())
actor.SetMapper(mapper)
renderer.AddActor(actor)
renderer.ResetCamera()
renderWindow.Render()
# -----------------------------------------------------------------------------
# Web App setup
# -----------------------------------------------------------------------------
server = get_server()
state, ctrl = server.state, server.controller
with DivLayout(server) as layout:
container = layout.root
trame.LifeCycleMonitor(events=("['created']",))
container.style = "width: 100vw; height: 100vh;"
view = vtk.VtkRemoteView(renderWindow)
ctrl.view_update = view.update
html.Input(
type="range",
min=3,
max=60,
step=1,
v_model=("resolution", 6),
style="position: absolute; top: 20px; left: 20px; z-index: 1; width: 25%; min-width: 300px;",
)
@state.change("resolution")
def update_resolution(resolution, **kwargs):
cone_source.SetResolution(int(resolution))
ctrl.view_update()
# -----------------------------------------------------------------------------
# start server
# -----------------------------------------------------------------------------
if __name__ == "__main__":
server.start()
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