def build_view_child(dimensions, spacing, origin, field, enabled, i, j, k,
window, level):
slice_prop = {"colorWindow": window, "colorLevel": level}
child = [
dash_vtk.ShareDataSet(
dash_vtk.ImageData(
dimensions=dimensions,
spacing=spacing,
origin=origin,
children=dash_vtk.PointData(
dash_vtk.DataArray(registration="setScalars",
values=field)),
), ),
]
if "Volume" in enabled:
child.append(
dash_vtk.VolumeRepresentation(
[dash_vtk.VolumeController(),
dash_vtk.ShareDataSet()], ))
if "i" in enabled:
child.append(
dash_vtk.SliceRepresentation(
iSlice=int(round(i)),
property=slice_prop,
children=dash_vtk.ShareDataSet(),
))
if "j" in enabled:
child.append(
dash_vtk.SliceRepresentation(
jSlice=int(round(j)),
property=slice_prop,
children=dash_vtk.ShareDataSet(),
))
if "k" in enabled:
child.append(
dash_vtk.SliceRepresentation(
kSlice=int(round(k)),
property=slice_prop,
children=dash_vtk.ShareDataSet(),
))
return child
vtk_view = dash_vtk.View(
id="vtk-view",
children=[
dash_vtk.GeometryRepresentation(
id="vtk-representation",
children=[
dash_vtk.PolyData(
id="vtk-polydata",
points=points,
polys=polys,
children=[
dash_vtk.PointData([
dash_vtk.DataArray(
id="vtk-array",
registration="setScalars",
name="elevation",
values=elevation,
)
])
],
)
],
colorMapPreset="erdc_blue2green_muted",
colorDataRange=color_range,
property={
"edgeVisibility": True,
},
)
],
)
dash_vtk.GeometryRepresentation(
children=[
dash_vtk.PolyData(
points=[
0,0,0,
1,0,0,
0,1,0,
1,1,0,
],
lines=[3, 1, 3, 2],
polys=[3, 0, 1, 2],
children=[
dash_vtk.PointData([
dash_vtk.DataArray(
#registration='setScalars', # To activate field
name='onPoints',
values=[0, 0.33, 0.66, 1],
)
]),
dash_vtk.CellData([
dash_vtk.DataArray(
# registration='setScalars', # To activate field
name='onCells',
values=[0, 1],
)
])
],
),
],
),
])
content = dash_vtk.View(
[
dash_vtk.VolumeRepresentation(
[
dash_vtk.VolumeController(),
dash_vtk.ShareDataSet(
[
dash_vtk.ImageData(
dimensions=[10, 10, 10],
spacing=[1, 1, 1],
origin=[-4, -4, -4],
children=[
dash_vtk.PointData(
[
dash_vtk.DataArray(
registration="setScalars", values=field,
)
]
)
],
),
]
),
]
),
dash_vtk.SliceRepresentation(
property={"colorWindow": 500, "colorLevel": 200},
iSlice=5,
children=[dash_vtk.ShareDataSet()],
),
]
import dash_vtk
content = dash_vtk.View([
dash_vtk.VolumeRepresentation([
# GUI to control Volume Rendering
# + Setup good default at startup
dash_vtk.VolumeController(),
# Actual Imagedata
dash_vtk.ImageData(
dimensions=[5, 5, 5],
origin=[-2, -2, -2],
spacing=[1, 1, 1],
children=[
dash_vtk.PointData([
dash_vtk.DataArray(
registration="setScalars",
values=list(range(5*5*5)),
)
])
],
),
]),
])
# Dash setup
app = dash.Dash(__name__)
server = app.server
app.layout = html.Div(
style={"width": "100%", "height": "calc(100vh - 15px)"},
children=[content],
)
0,
0,
0,
1,
0,
1,
1,
0,
],
lines=[3, 1, 3, 2],
polys=[3, 0, 1, 2],
children=[
dash_vtk.PointData([
dash_vtk.DataArray(
registration="setScalars",
name="onPoints",
values=[0, 0.33, 0.66, 1],
)
]),
dash_vtk.CellData([
dash_vtk.DataArray(
# registration='setScalars',
name="onCells",
values=[0, 1],
)
]),
],
),
], ),
])
"pointSize": 10,
},
colorDataRange=[0, 3],
mapper={
"colorByArrayName": "Temperature",
"scalarMode": 3,
"interpolateScalarsBeforeMapping": True,
},
children=[
dash_vtk.PolyData(
id="square",
points=[0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0],
polys=[4, 0, 1, 2, 3],
children=[
dash_vtk.PointData(children=[
dash_vtk.DataArray(name="Temperature",
values=[0, 3, 2, 1])
])
],
)
],
),
],
),
html.Div(id="output"),
],
)
if __name__ == "__main__":
app.run_server(debug=True)