Linked Questions

1 vote
0 answers
491 views

How to get objects and mesh object vertices from camera view with Python in Blender 2.8 [duplicate]

What I want to do I want to change the power of only the light object visible in the camera view. I want to remove vertices to mesh objects in visible in the camera view. Not remove mesh objects, ...
namagon's user avatar
  • 13
0 votes
0 answers
38 views

List of objects in appear in camera view (with script) [duplicate]

I would like to list the objects in front of the camera (What will be rendered). I'm thinking about the ray trace detection but maybe there are a better way. There is exactly one element listed int ...
Gábor Horváth's user avatar
0 votes
0 answers
30 views

How to identify the object which are not visble from camera view though exist in a Blender scene. Using Blender Python API [duplicate]

Hi everyone. I doing some test in blender. I need to identify the object not visible from the camera view though it exists in the scene. I have tried bvh1.overlap(bvh2) and https://stackoverflow.com/...
BlenderLearner's user avatar
3 votes
4 answers
1k views

Camera coverage calculation inside a room

In my current research, we are trying to create a 3D cow room/housing. Once the room is created, we are planning to place the blender camera (use it as a CCTV camera) in two different locations of the ...
Sourav's user avatar
  • 241
6 votes
1 answer
1k views

bpy: How do you find the corners of a camera frustum?

... by which I mean the vectors from a perspective camera's viewing point to the corners of the rendered rectangle, as displayed by the diagonal sides of a camera's rectangular pyramid in a 3D View. (...
Robin Betts's user avatar
  • 76.6k
5 votes
1 answer
745 views

Getting edges of the camera's view on the scene XY plane

I need to place objects randomly into a scene so that they are consistently within the camera's view. I have a script which randomly places a perspective camera pointed at ...
rland's user avatar
  • 153
1 vote
2 answers
1k views

What are the formulas to define the camera's view cone?

What are the formulas to calculate the 4 half-planes that define the camera's view volume? The inputs should be the camera's world matrix, focal length (and maybe sensor size?) and anything else I ...
Mutant Bob's user avatar
  • 9,253
3 votes
3 answers
515 views

How to find and fix local minima in any mesh for 3d printing (Scripting)

I am randomly generating organic shapes that I want to 3D print lightweight and thus with 0% infill, a single perimeter, and zero top and bottom layers. To make this work properly I need the mesh to ...
TheRooster's user avatar
0 votes
0 answers
2k views

Automatically hide everything out of camera view?

I've asked myself if it is possible to automatically hide everything and every object while rendering an animation. For instance if I had a very big scene, like a street in a city, but I only want to ...
joshuaragex's user avatar
2 votes
1 answer
792 views

​List all ​occluded objects from camera

I'm trying to have a list of objects that are occluded from camera view. 'bpy.context.scene.ray_cast()' does not help since it also returns occluded verts/objects. I have visited some other answers ...
greenrod's user avatar
0 votes
0 answers
1k views

Selecting all faces visible by camera

I need to select all faces that are visible from a certain camera, optimally via script because I have to do it very often. And actually, I already wrote a script that is doing this... in theory. But ...
trippeljojo's user avatar
0 votes
0 answers
476 views

scripting - zoom camera to view all objects

My objects sounds like a bit large, I guess I need to move camera far away from origin (put a sphere there) but if I increase the camera location x value, it will can not see anything. ...
lucky1928's user avatar
  • 121
0 votes
2 answers
179 views

How to not select objects behind main camera with script in Python?

With python, I search to select objects in the field of view of the main camera. I found this great script by ideasman42. It's half perfect. I don't understand why the script also selects objects ...
LukeNukem's user avatar
1 vote
0 answers
230 views

What section of a sphere does the camera 'see'? Intersection of camera viewport and sphere

Blender 2.8 Scene: A sphere and a camera. The camera can be moved, but it will always show a part of the sphere. Later on, textures should be loaded onto the sphere BUT ONLY for the part of the ...
Michael's user avatar
  • 153
1 vote
1 answer
114 views

How to locate object parts of rigged object visible in camera

I'm pretty new to blender. Currently I work in animate a rigged character, and render the depth for a computer vision project. My scene consist of some walls, floor, random objects and a human ...
Legan09's user avatar
  • 11

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