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
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)"},
field = [random.random() * i for i in range(10 * 10 * 10)]
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()],
),
field = fd.u
origin = [fd.x.mean(), fd.y.mean(), fd.z.mean()]
ranges = np.array([axis.ptp() for axis in [fd.x, fd.y, fd.z]])
dimensions = np.array(
[np.unique(axis).shape[0] for axis in [fd.x, fd.y, fd.z]])
x, y, z = dimensions
spacing = np.round(ranges / dimensions).astype(int)
content = dash_vtk.View(
dash_vtk.VolumeRepresentation([
dash_vtk.VolumeController(),
dash_vtk.ImageData(
dimensions=dimensions,
spacing=spacing,
origin=origin,
children=dash_vtk.PointData(
dash_vtk.DataArray(registration="setScalars", values=field)),
),
]))
# Dash setup
app = dash.Dash(__name__)
server = app.server
app.layout = html.Div(
style={
"width": "100%",
"height": "calc(100vh - 15px)"
},
children=[content],