# Use VTK to get some data
data_source = vtkRTAnalyticSource()
data_source.Update() # <= Execute source to produce an output
dataset = data_source.GetOutput()
# Use helper to get a volume structure that can be passed as-is to a Volume
volume_state = to_volume_state(dataset) # No need to select field
content = dash_vtk.View([
dash_vtk.VolumeRepresentation([
# GUI to control Volume Rendering
# + Setup good default at startup
dash_vtk.VolumeController(),
# Actual volume
dash_vtk.ShareDataSet([
dash_vtk.Volume(state=volume_state),
]),
]),
dash_vtk.SliceRepresentation(iSlice=10,
children=[
dash_vtk.ShareDataSet(),
]),
dash_vtk.SliceRepresentation(jSlice=10,
children=[
dash_vtk.ShareDataSet(),
]),
dash_vtk.SliceRepresentation(kSlice=10,
children=[
dash_vtk.ShareDataSet(),
]),
])
import dash_vtk
from dash_vtk.utils import to_volume_state
# Place a DICOM series (a set of per-file slices) in a directory. ITK sorts, sets spatial metadata, etc.
demo_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
itk_image = itk.imread(os.path.join(demo_dir, "data", "ct_lung"))
# Convert itk.Image to vtkImageData
vtk_image = itk.vtk_image_from_image(itk_image)
volume_state = to_volume_state(vtk_image)
vtk_view = dash_vtk.View(
dash_vtk.VolumeRepresentation(
children=[dash_vtk.VolumeController(), dash_vtk.Volume(state=volume_state),]
)
)
app = dash.Dash(__name__)
server = app.server
app.layout = html.Div(
style={"height": "calc(100vh - 50px)", "width": "100%"},
children=[html.Div(vtk_view, style={"height": "100%", "width": "100%"})],
)
if __name__ == "__main__":
app.run_server(debug=True)
def dcm_to_volume(dir_path):
itk_image = itk.imread(dir_path)
vtk_image = itk.vtk_image_from_image(itk_image)
volume_state = to_volume_state(vtk_image)
return volume_state
# Place a DICOM series (a set of per-file slices) in a directory. ITK sorts, sets spatial metadata, etc.
demo_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
volume_state = dcm_to_volume(os.path.join(demo_dir, "data", "mri_pancreas"))
app = dash.Dash(__name__)
server = app.server
vtk_view = dash_vtk.View(
dash_vtk.VolumeRepresentation(
[dash_vtk.VolumeController(), dash_vtk.Volume(state=volume_state)]
)
)
app.layout = html.Div(
style={"height": "calc(100vh - 50px)", "width": "100%"},
children=[html.Div(style={"height": "100%", "width": "100%"}, children=vtk_view)],
)
if __name__ == "__main__":
app.run_server(debug=True)
children=dbc.Row([
dbc.Col(dbc.FormGroup([dbc.Label(label), component]))
for label, component in sliders.items()
]),
)
slice_property = {"colorWindow": 4095, "colorLevel": 1000}
slice_view = dash_vtk.View(
id="slice-view",
cameraPosition=[1, 0, 0],
cameraViewUp=[0, 0, -1],
cameraParallelProjection=False,
background=[0.9, 0.9, 1],
children=[
dash_vtk.ShareDataSet(dash_vtk.Volume(state=volume_state)),
dash_vtk.SliceRepresentation(
id="slice-repr-i",
iSlice=128,
property=slice_property,
children=dash_vtk.ShareDataSet(),
),
dash_vtk.SliceRepresentation(
id="slice-repr-j",
jSlice=128,
property=slice_property,
children=dash_vtk.ShareDataSet(),
),
dash_vtk.SliceRepresentation(
id="slice-repr-k",
kSlice=47,