これは簡単なことのように見えますが、さまざまな色の平面でさまざまなスカラー値を表現するのが難しいです。季節のデータ「dados_solo.vtk」を含み、土壌の温度「soilTemp」に対応するスカラー値を持つファイルがあり、季節ごとに土壌の温度のデータを異なる色で表す必要があります飛行機。vtkStructuredGridGeometryFilter で問題なく表現できましたが、ポイントではなく平面で表現する必要があります。
これが私がこれまでに持っているコードです:
package require vtk
package require vtkinteraction
vtkRenderer ren1
vtkRenderWindow renWin
renWin AddRenderer ren1
vtkRenderWindowInteractor iren
iren SetRenderWindow renWin
# Definir o estilo de interacção
vtkInteractorStyleTrackballCamera style
iren SetInteractorStyle style
iren AddObserver UserEvent {wm deiconify .vtkInteract}
vtkDataSetReader reader
reader SetFileName "dados_solo.vtk"
reader SetScalarsName soilTemp
reader Update
vtkDataSetReader readertemp
readertemp SetFileName "dados_solo.vtk"
readertemp SetScalarsName soilTemp
readertemp Update
# Contours of the grid-----------------------------------------------------
vtkStructuredGridOutlineFilter outline
outline SetInput [reader GetStructuredGridOutput]
vtkPolyDataMapper mapOutline
mapOutline SetInput [outline GetOutput]
vtkActor outlineActor
outlineActor SetMapper mapOutline
[outlineActor GetProperty] SetColor 1 0 0
# Points of Grid-----------------------------------------------------
vtkStructuredGridGeometryFilter compPlane
compPlane SetInput [reader GetStructuredGridOutput]
vtkPolyDataMapper planeMapper
planeMapper SetInput [compPlane GetOutput]
eval planeMapper SetScalarRange \
[[[[reader GetOutput] GetPointData] GetScalars] GetRange]
planeMapper ScalarVisibilityOn
vtkActor planeActor
planeActor SetMapper planeMapper
[planeActor GetProperty] SetColor 0 1 0
# -------------------------------------------------------------------
vtkPlane plane
eval plane SetOrigin [[reader GetOutput] GetCenter]
vtkCutter planeCut
planeCut SetInput [reader GetOutput]
planeCut SetCutFunction plane
vtkPolyDataMapper cutMapper
cutMapper SetInput [planeCut GetOutput]
eval cutMapper SetScalarRange \
[[[[reader GetOutput] GetPointData] GetScalars] GetRange]
vtkActor cutActor
cutActor SetMapper cutMapper
# -------------------------------------------------------------------
ren1 AddActor cutActor
ren1 AddActor outlineActor
ren1 AddActor planeActor
renWin SetSize 500 500
ren1 SetBackground 0.1 0.1 0.1
renWin Render