Questions tagged [point-clouds]
questions concerning the use of point clouds / data point sets in blender.
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Csv Import pointcloud into Blender
I have 24 points which correspond to 12 different "elements" (2 points per element) saved in an .csv file with the following column order (1: Element Name, 2: x, 3: y, 4: z).
I would like to import ...
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Wrapping a mesh around point cloud with cavities
I have a series of point clouds I want to convert to mesh (there are points inside the object, uniformly distributed, not only on the surface).
I want to generate a model of the surface of the point ...
- 591
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Cycles generates distorted depth
The depth map generated by the Cycles rendering engine seems to have (radial) distortion, while the Blender renderer does not.
However, I could not find anywhere information on the internal camera ...
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Blender gets very slow to draw a scene having large number of plane?
I have a very simple python script to generate planes in the scene. I want to generate 50000 planes in a scene, to compensate for unavailability of POINT primitive, so that i can render a point cloud. ...
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Render 100k objects each with independent color and scale through time
I'm trying to visualize some data that is essentially 100k time series, each with an associated position. I'd like to render this with each object a sphere whose color/scale/alpha is driven by it's ...
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Align Instances to Curve with Geometry Nodes
Using Blender 3.0.
Using the grease pencil, I've created a curve that I've then converted to a mesh (using Object > Convert > Mesh). I have a series of points that I can work with using geometry ...
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Calculating 3D world co-ordinates using depth map and camera intrinsics
I am looking to annotate points on a rendered 2D image and then use the rendered depth map with the camera intrinsics to find where the point in 3D space is. This process is identical to creating a ...
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Setting Voxel Coordinates
I've been looking online for a long time, searching for documentation on the subject of Blender Voxel Data. So far, I know that Blender uses many file types, including the .bvox file type. For the ....
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How to Generate surface from points [duplicate]
Hi Guys,
I have a set of points in 3D. How can I convert this into a surface ?
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How do I make a luminescent gas cloud?
How can I make a luminescent gas cloud, similar to the one shown in the picture below (labeled "Trapped Atoms")? Thank you.
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How can I create a point cloud from the surfaces of a model?
How can one go about generating a point cloud from the surfaces/faces of a model?
Initially the models are going to be fairly simple (just cubes, cylinders, and spheres), but eventually the models ...
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What is a Point Density texture?
I see Blender 2.76 now has a feature called "Point Density" textures. Is this a particle system? If so, how is it different from previous particle systems?
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How do I set point density node for smoke?
I’m trying to make this animation , I’m using particles from an emitter to create the smoke and force fields to give them the direction I want .
The problem is I’d like to shade the smoke as it was ...
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PythonScript to load data as colored point-cloud
Background
I want to render 3D points with color information for scientific visualization. I have several hundred thousands of points up to 2 million. For each point I have [xyz] coordinates and two ...
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How can I convert a complex point cloud to mesh?
I come from this question where I have generated a Point Cloud from a simple script which I want to convert into a mesh. I see there is this question and this question, which was unfortunately marked ...
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How can I prepare a point cloud for visualization in Blender using MeshLab?
I have access to some laser scanned LAS files. I can convert the LAS files to X, Y, Z point clouds using LASTools. Once a point cloud is in an X, Y, Z ascii format it can be imported into MeshLab. I ...
beatsforthemind
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Get Point Coordinates generated with Geometry Nodes?
Say you generate some random points using Geometry Nodes, how can you get all those point coordinates using the python api?
The only hint I have is that the point coords are located under Point Cloud ...
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Numpy / lidar point-cloud to mesh: How to separate polygons?
I have lidar data in numpy structured array with x,y,z and other lidar specifics that I can use to colourize and display.
I have got pretty far on the numpy side for filtering the points down (near, ...
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Is there a way to transfer an attribute value from a point to the instance (or the "realized" vertices of the instance)?
I have a curve with control points on which I'm going to instance spheres that are going to have shifting scale values (that is done) and hopefully shifting materials (and here I struggle).
So I ...
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How do I get a "correct" isosurface from points to volume to mesh workflow?
I am a computational chemist, looking to visualize an electron density in blender. The density is basically a 3D-array with a value assigned to each point. I managed to load the density to blender, ...
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How to load ".npy" file into Blender?
I have a 3-dimensional volume array of size (64, 64, 64) which has an extension of ".npy". I wanted to visualize in Blender so that I can do post-processing work from the software.
I tried ...
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