Questions tagged [point-cloud]
The point-cloud tag has no usage guidance.
21 questions
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Get Points Inside Staticmesh
I am working with UE5 and want to do simulations using Lidar Point Clouds Plugin. i am building a plugin but am pretty new to C++. I want to detect points of a Pointcloudactor that overlap with ...
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How do I "voxelize" an OBJ mesh that was created in a voxel editor?
I've been trying to find the right workflow to solve my problem for over a month now. Any tip/insight would be greatly appreciated.
Scenario: I create a voxel mesh in MagicaVoxel and then, instead of ...
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Fast Occlusion Discovery in 3D Point Cloud
I am trying to find occluded objects given a view point at x,y,z in the scene. For instance in the example below all the points constructing trees should be ...
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Specify the size of the points when building a mesh based on a point cloud
I create a mesh in Unity3D based on a point cloud in this way:
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Comparing the scale and rotation of (otherwise) identical meshes from vertex data
I am designing a tool that can read an obj file with duplicate meshes in, and export the transformation, scaling and rotation of each duplicate relative to the original model. I can establish the ...
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How to determine polygon based on point lists?
I have several lists of interconnected points. They are ordered so I can connect them together. Using these interconnected points I'd like to find the different points and intersection points that ...
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How can I sort vertices efficiently in a specific direction (CW/CCW)?
I am trying to triangulate a set of points using a very simple approach where a base vertex is chosen, and then every other vertex is joined to its neighbouring vertex and then back to the base vertex,...
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Show only some parts of a point cloud. OpenGl4
I am developing an opengl 4.0 app which is showing a point cloud. In the other hand, I have an array "pos" where I have some x,y,z positions:
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How do point clouds become polygons?
I have reached some limits in my game experiments that seem to be solvable by working with content as 'point clouds'. My main concern now is how to convert the resulting point clouds into polygon ...
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What methods are there to discard points on one side of a surface but not the other?
Goal: Given a surface mesh (terrain), discard all points above a given elevation relative to the terrain. The terrain can change quite often due to tiling and LODs, so the point culling will need to ...
- 111
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Find two points in a point cloud with the maximum distance?
What is the least computationally complex way to find two points such that the distance between them is greater or equal to any other pair.
Remember hearing something about how you could find such a ...
- 10.5k
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Using an array of 3d points to construct point cloud or surface in OpenGL
I have an array of 3 dimensional point objects, I can manipulate the input into this array into any configuration I want, for example, it could be a vector of floating point numbers, a vector of ints, ...
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Is the rendering of distorted point clouds more complex?
I have two point clouds of n points:
A dense ball-shape point cloud with many points inside
A spherical point cloud with points on its surface.
Is there (really) any difference between rendering (...
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Is any data structure more efficient than quad-tree for storing and querying points that lay within an OBB?
Is there any method more effective than quad-trees for storing and searching sets of points that are not spread uniformly on the plane?
I need to be able to add, remove and search for points that are ...
- 10.5k
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Spatial data visualization level of detail
I have a 3D point cloud data set with different attributes that I visualize as points so far, and I want to have LOD based on distance from the set. I want to be able to have a generalized view from ...
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Point cloud to CAD model [closed]
Point clouds can be obtained from a physical camera using phase shift algorithm. These may be 3-4 separate point clouds. My job is to combine those point clouds (register, filter) using signal ...
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How can I create a set of collision points for an arbitrary mesh?
In my project I am working on automatically deforming an arbitrary mesh with respect to another arbitrary mesh, within the context of user generated content, similar to this deformer being developed ...
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Find a line that connects the outer most points in a set of points
Does anyone know an efficient algorithm to find the edge of a point cloud? Hopefully the picture in the link can illustrate what I mean. It's a plus if the algorithm can handle point clouds that are ...
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Points in d3d11
D3D10/D3D11 drops support for point primitives. I'm trying to render a set of points for quick and dirty debug, any suggestions/quick hacks for getting large size points to show up in D3D11?
- 17.2k
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Real Time Cloud Algorithm
I want to know how the algorithm works in this game:
http://www.gametrailers.com/user-movie/cloud-the-game/45068
Especially how the game generates the real time cloud, and be able to merge with other ...
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Is Unlimited Detail real?
Many aspects of Unlimited Details Unlimited Detail Technology seems dubious to me, even the introductory paragraph (because of the usage of the word unlimited):
Unlimited Detail is a new technology
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