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r"""
Installation requirements:
pip install trame trame-vuetify trame-vtk
"""
import vtkmodules.vtkRenderingOpenGL2 # noqa
from vtkContourGeneratorFromZarr import vtkContourGeneratorFromZarr
from vtkmodules.vtkInteractionStyle import vtkInteractorStyleSwitch # noqa
from vtkmodules.vtkRenderingCore import (
vtkActor,
vtkPolyDataMapper,
vtkRenderer,
vtkRenderWindow,
vtkRenderWindowInteractor,
)
from trame.app import get_server
from trame.ui.vuetify import SinglePageLayout
from trame.widgets import html, vuetify
from trame.widgets import vtk as vtk_widgets
# -----------------------------------------------------------------------------
# Trame setup
# -----------------------------------------------------------------------------
server = get_server(client_type="vue2")
state, ctrl = server.state, server.controller
# -----------------------------------------------------------------------------
# set up class to process zarr
# -----------------------------------------------------------------------------
DEFAULT_LEVEL = 3
server.cli.add_argument("--data", help="directory to zarr files", dest="data")
args = server.cli.parse_args()
skin_generator = vtkContourGeneratorFromZarr(args.data)
skin_generator.contourForLevel(DEFAULT_LEVEL)
MAX_LEVEL = skin_generator.getMaxLevel()
# -----------------------------------------------------------------------------
# VTK pipeline
# -----------------------------------------------------------------------------
renderer = vtkRenderer()
renderWindow = vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderWindowInteractor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
mapper = vtkPolyDataMapper()
mapper.SetInputConnection(skin_generator.getContour().GetOutputPort())
actor = vtkActor()
actor.SetMapper(mapper)
renderer.AddActor(actor)
renderer.ResetCamera()
renderWindow.Render()
# -----------------------------------------------------------------------------
# Callbacks
# -----------------------------------------------------------------------------
state.points = 0
state.cells = 0
state.level = DEFAULT_LEVEL
@state.change("level")
def update_skin(level=DEFAULT_LEVEL, **kwargs):
nb_points, nb_cells = skin_generator.contourForLevel(level)
state.points = nb_points
state.cells = nb_cells
ctrl.view_update()
def update_reset_level():
state.level = DEFAULT_LEVEL
def increase_level():
if state.level < MAX_LEVEL:
state.level += 1
def decrease_level():
if 1 < state.level:
state.level -= 1
# -----------------------------------------------------------------------------
# GUI
# -----------------------------------------------------------------------------
state.trame__title = "Zarr Skin Generator Demo"
with SinglePageLayout(server) as layout:
layout.icon.click = "$refs.view.resetCamera()"
layout.title.set_text("Skin Generator")
with layout.toolbar:
vuetify.VSpacer()
vuetify.VBtn(
vuetify.VIcon("mdi-minus"),
x_small=True,
icon=True,
outlined=True,
click=decrease_level,
classes="mx-2",
)
vuetify.VBtn(
vuetify.VIcon("mdi-plus"),
x_small=True,
icon=True,
outlined=True,
click=increase_level,
classes="mx-2",
)
html.Div(
"Level({{ level }}) "
"- Points({{parseInt( points ).toLocaleString()}}) "
"- Cells({{parseInt( cells ).toLocaleString()}})",
style="min-width: 350px; text-align: right;",
)
vuetify.VDivider(vertical=True, classes="mx-2")
vuetify.VBtn(
icon=True,
click=update_reset_level,
children=[vuetify.VIcon("mdi-undo-variant")],
)
with layout.content:
with vuetify.VContainer(
fluid=True,
classes="pa-0 fill-height",
):
html_view = vtk_widgets.VtkRemoteView(renderWindow, ref="view")
ctrl.view_update = html_view.update
ctrl.view_reset_camera = html_view.reset_camera
# -----------------------------------------------------------------------------
# Main
# -----------------------------------------------------------------------------
if __name__ == "__main__":
server.start()
|
