<p>我设法使用<code>TrivialProducer</code>对象和方法<code>.GetClientSideObject()</code>渲染它。这将ParaView连接到服务器端对象</p>
<p>来源:<a href="https://kitware.github.io/paraview-docs/latest/python/_modules/paraview/servermanager.html" rel="nofollow noreferrer">the source code</a>和<a href="https://discourse.paraview.org/t/how-to-show-a-simple-vtkimagedata-object/7745/5" rel="nofollow noreferrer">the tip given by Mathieu Westphal</a>来自ParaView支持</p>
<pre><code>from paraview import simple as ps
from paraview import vtk
from paraview.vtk.util.numpy_support import numpy_to_vtk
import numpy as np
def main():
# Create an image (this is a data object)
myMesh = vtk.vtkImageData()
myMesh.SetOrigin(0., 0., 0.)
myMesh.SetSpacing(0.1, 0.1, 0.)
myMesh.SetExtent(0, 10, 0, 5, 0, 0)
# coloring
blue = np.array([15, 82, 186], dtype=np.ubyte)
# numpy colors
scalarsnp = np.tile(blue, (myMesh.GetNumberOfCells(), 1))
scalarsnp[[9, 49]] = np.array([255, 255, 0], dtype=np.ubyte) # yellow
# vtk array colors. Organized as 50 tuples of 3
scalarsvtk = numpy_to_vtk(scalarsnp, deep=1, array_type=vtk.VTK_UNSIGNED_CHAR)
scalarsvtk.SetName("colorsArray")
# allocate the scalars to the vtkImageData object
# myMesh.AllocateScalars(vtk.VTK_UNSIGNED_CHAR, 3) # set 3 scalars per cell
# myMesh.GetCellData().SetScalars(scalarsvtk) # do not use this in ParaView!!
colorArrayID = myMesh.GetCellData().AddArray(scalarsvtk)
myMesh.GetCellData().SetActiveScalars(scalarsvtk.GetName())
# TrivialProducer to interface ParaView to serverside objects
tp_mesh = ps.TrivialProducer(registrationName="tp_mesh")
myMeshClient = tp_mesh.GetClientSideObject()
# link the vtkImageData object to the proxy manager
myMeshClient.SetOutput(myMesh)
tp_mesh.UpdatePipeline()
# Filter for showing the ImageData to a plane
mapTexture2Plane = ps.TextureMaptoPlane(registrationName="TM2P_mesh", Input=tp_mesh)
renderViewMesh = ps.CreateView("RenderView")
renderViewMesh.Background = [1, 1, 1]
renderViewMesh.OrientationAxesVisibility = 0
display = ps.Show(proxy=mapTexture2Plane, view=renderViewMesh)
display.SetRepresentationType("Surface")
display.MapScalars = 0 # necessary so as to not generate a colormap
ps.Interact() # or just ps.Render()
if __name__ == "__main__":
main()
</code></pre>