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kmarchais / blender-vtk-importer-exporter

Import/Export VTK data in/from Blender
GNU General Public License v3.0
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Issues with Visualizing Point Cloud Data in Blender after Exporting VTK File #5

Open Issrael opened 2 weeks ago

Issrael commented 2 weeks ago

Hello, I’ve been working with point cloud data in ParaView and wanted to leverage Blender’s capabilities for improving the visual results. I’ve had some trouble with installing the necessary add-ons, but I was eventually able to get them working. However, now I’m facing an issue when exporting my VTK file—it's a point cloud with no additional attributes except for the radius—and Blender isn't able to visualize the points.

In the Geometry Nodes section, it shows that there are vertex attributes (including a “Mesh to Points” node), but the points still do not display in the viewport.

Has anyone encountered this issue or can point me in the right direction to resolve this? Any help would be much appreciated!

Visualizing in Paraview: Paraview_VTK

Issues in Blender Blender_VTK

kmarchais commented 2 weeks ago

Hello,

I have tried with Blender 4.2.3 (the same as on your screenshot) and for me it doesn't even show the Mesh to Points node. I need to fix this addon, to quickly fix your case, here is how to set up the nodes.

image

Make sure to give the corresponding attribute name for your radius in the Named Attribute node. Also make sure to select Cycles as the Render Engine. image