Questions tagged [coordinates]
Blender represents locations in a scene by their coordinates. The coordinates of a location consist of three numbers that define its distance and direction from a fixed origin.
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Snapping Pose Bones to Vertex 90 degrees Off
I'm trying to snap the tail of a pose bone to a vertex in another mesh. When I hit R or G to start moving the bone, it snaps just fine, but rotates the bone approximately 90 degrees away from the ...
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Why is object's location is same, ( vector (0,0,0) ) in all frames of animation?
I have imported a human model mesh, with armature and animated it with mocap. What I exactly need is the position of its eyes at different frames.
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How to: Group instances on Hair Particle system to shear and rotate
How to make a particle System to instanciates objects and make them rotate on the z axis as well as bend in reaction to force fields like wind.
Using the "Render/Group" option in the PS properties, I ...
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How do you proportionally scale multiple objects instead of meshes?
So that the effect you get is a row of rectangles increasing in height while each top face is not on a angle but rather perfectly horizontal. (scaling all mesh in one "object" makes the top face rise ...
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A glitch in 2.71, My low poly model randomly flattened
So I was working on a low poly model, A Guy Fawkes mask as an easter egg for a game. The game will use Unity, but that is besides the point. I had finished this model, so on a different layer I had ...
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Question about bpy's matrix_world to torch3d coordinate system conversion
From the visualization results, it appears that the camera pose I converted is not accurate. It has moved backwards. Is there have any suggestions ?QAQ
1.difference of cameras space
2 some discussion
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Absolute and Relative Coordinates; Camera Distortion; Calculation
Hello Blender Community,
Question: How close is the object in the image? What are the absolute coordinates from the image's perspective? What is the error?
An object:
A frame with two reference ...
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Recreating clip space coordinates in Blender shader nodes
I've been trying to recreate the clip space coordinate system in Blender's shader nodes. From what I know, the only coordinate systems you have access to are object coordinates (position), world ...
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How to use .txt with 3D coords in BVH?
I have 3D coords from a hand mocap , the coords are (x,y,z), there are in a .txt list with 3 cols and each row represents a point. How can I transform them to BVH format? Any script, web, video or ...
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How to export the point cloud coordinates created by the geometry node "distribution points on faces "?
Tried everything I could but cannot find a solution to export it in python code!
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I want to find the three-dimensional coordinates of the light hitting the surface of an object
I simulated the effect of a laser with a light, causing it to shine on an object, as shown in the figure. Now I want to find the pixel coordinates of the light bar after rendering is completed. Is ...
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Blender import camera from COLMAP has wrong direction
I have the image.txt files from colmap, which includes the quaterion(QW, QX, Qy, QZ) and the translation(tx, ty, yz). I use the following code to do the transformation, but the direction of the camera ...
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How to obtain vertex position and rotation data from a mesh made from geometry nodes?
I'm attempting to obtain location and rotation data on each vertex in a curve mesh that I draw on top of a shape, but I cannot find a way to export this information. For my project, I need the ...
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Get the coordinates of the intersection between a line and 3d model
I'm new to Blender. I want to know if there's a way to get the coordinates of the intersection point between a given line and a 3D model, just like the picture below. Thanks!
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object distortion in far from the origin issue
If we place an object far from the origin (for example in (1000000,0,0)), the object will be disturbed, and the blender unable to handle it correctly. Can anyone explain the cause?
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Get vertex coordinates of model mesh in every frame of animation
I am trying to get the coordinates of all vertices of a model for each frame of an animation in Blender using python. I have seen a lot of answers from 50 years ago like Iterating vertex of every ...
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Display and animate object in local axis
I would like to rotate an object along one on its local axis ; while I can do this via the viewport by selecting Local orientation, I would like to set keyframes using the Transform panel. However the ...
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How can I change the coordinate of part of an object to change the coordinate of all objects?
Imagine I have an object which is a vertebra with some markers on it. When I go to the edit mode and select each marker, I can easily see their coordinate of them. Now, if I want to register new ...
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Import UV Mapping on mesh
i would like to import a uv mapping coordinate to a mesh, but the code didn't work, cause there is an error on Blender 3.3:
File "C:\Users\Marku\Desktop\Blender Plugin\uvw.blend\Text.001", ...
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How to move an object in relationship to a specific vertex numerically?
I am coming from a "2d-world" like Adobe Illustrator where I easily could move objects in relationship with their "corners" numerically. How do I do this in Blender? Let me explain:...
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Is it possible to move the origin point of the global reference system?
I am using fspy add-on in order to match the render camera with a photo I took and that I want to use as background image for a building render.
This add-on requires a sort of match between a ...
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DXF import to Blender with big Coordinates
New to Blender.
I want to import an DXF with big coordinates into Blender, move the Objects to 0 so i can work on them but dont change the orginial Coordinates of the Objects for the Export.
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How to calculate the rendered Blender freestyle stroke coordinates
Is there any way we can access the coordinates of the rendered stroke as we can access for e.g Cube mesh.
Since we can see if we enable blender freestyle rendering, it does the stroke rendering based ...
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Get vertices positions in an animation
I have an animated character with bones. In its frame, there is an Eyes object that interests me. I want to know its position in my render during the whole animation.
I can have its position (the one ...
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How to describe an object in the camera reference frame?
I have an environment with a sphere, a camera and the sun. Both the camera and the sun track the sphere, such that they point always to the sphere.
All the coordinates are referred to the origin of ...
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Vertex coordinates of selected vertices not updating, but indices update
I am writing some code that selects the end vertices of an open tube, and then saves the indices and coordinates in a list so I can use these points to bridge edge loops.
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how to iterate over the connected vertices sequentially of polygon?
I have a map where each country is a polygon of many vertices. I want to get an array of coordinates of the vertices of a polygon.
Now I get and save the list of selected vertices in the table in edit ...
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Camera extrinsics matrix blender
The camera object in blender python API has the variable matrix_world. I was hoping it would give the camera pose wrt to the world coordinate system but if you ...
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How can I see the coordinate/transformation change when I change the pose of a model?
For example, if I rotate the right forearm of my model in blender, how can I see that the model's forearm changed numerically?
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How to fix an image texture to object and camera?
I've looked for a similar problem but couldn't find anywhere, so here it goes.
I'm having an issue with fixing the position of this image in the body of the sphere, as you can see, it leaves the ...
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How to Copy and Paste Vertex Coordinates?
I have two meshes that are almost identical to each other. Mesh 1 is a human head, and Mesh 2 is the same head but cut in half. (think no mirror modifier) Both have the same topology where it would be....
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How to get real location (coordinates) of an object
When I applying modifications like "Track To" or/and "Copy Rotation" to object, it location of the object on Numeric Panel (Transform) does not changes but the object really change ...
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Click on mesh coordinates in python API
Is there a way to get the exact coordinates where you click on a mesh in python code? Faces can be big, so the vertices are not really good enough.
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Need a function to determine an object's rotation axis, based on it's orientation
Working on a project with some Python scripting to allow users to flip an object on any axis, and then use a routine that will rotate the object along the circle as shown in the pic below.
My problem ...
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Transformation for parented objects
I need the actual definitions for the transforms of parented objects.
It seems that the transform shown when pressing N shows the local
transform, and not the global one for child object? That would ...
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Object coords not updated when exporting/importing
I'm new to Blender and have a face model with scale of 1. Exported the blender model as STL file which matches the Blender model. Exported the coordinates and plotted them in Python which measures as ...
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Some vertices in my mesh seem infinitely far away
Some vertices in the mesh go outside of the viewport. Even when I zoom the view out I cannot find the position of thr vertices. It seems to be infinite.
Sometimes a few vertices of the mesh move to ...
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Can I constrain a vertex to never move beyond specific coordinates?
So, when editing I would love to be able to move my vertices around but make sure they never go below a certain plane - for instance, make sure I can't move them below a Z-value of 0. Is there any way ...
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world_to_camera_view() returns wrong vertex coordinates
I'm trying to get 2D pixel coordinates (i.e. with respect to the rendered image) of the outline of some spheres I have in my scene. Ultimately, I would like to obtain a segmentation mask for the ...
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How to make selected meshes move together in transform sidebar?
I must have hit some button, or typed a shortcut by accident, but my workflow has been shot in the foot by this problem. If I try to select multiple meshes and move them together by typing precise ...
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Exporting x,y,z coordinates from tracking information
I am new to blender and am trying to extract the coordinates of a moving object that was made in blender (X,Y,Z at every frame). I have tried exporting as .ply, .obj, .stl etc. but the coordinates don'...
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Vertex coordinates in console are slightly different than in the UI
If I have a default cube, dimensions 1 meter on each side, and I run a script to output the vertex coordinates to the console, they print correctly (i.e., the values are either 0.0 or 1.0). However, ...
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Bone scale vs vertex scale
The vertices and the bones seem to be working with a different coordinate system. In the image, the bone and vertex at roughly the same height are mis-scaled by a factor of 40. When I export it into ...
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How to add a certain number to an object's coordinates
I'm currently making a first person game in BGE. I animated an action for the camera of slowly going up and down to make the walking more realistic. I added it to the player's logic, but instead of ...
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How to show global location coordinates
How can I see the global coordinates of a bone?
Blender only show the transform for local coordinates.
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Placing cameras like a triangle
I am trying to place the cameras in a equilateral triangle fashion. But, I am quite not sure if my coordinates are correct. How do I find co-ordinates to arrange them in a equilateral triangle? Thanks ...
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Local Coordinates Assignment
I have a modeled SCARA robot in blender, this is moved through the use of a sensor and a python program. The problem now is that my inverse kinematics solved angle does not coincide in run in blender. ...
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How to change the Coordinate Reference System of a model to align with another?
This is my first question on Stack Exchange :)
I just can't figure out how to align two models based on different Coordinate Reference Systems (CRS).
This is an imported DXF file based on Amersfoort ...
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How to reproject a rendered image onto a plane intersecting camera's view?
I am trying to mimick the process of mapping an 2D image onto a 3D surface (or "orthorectifying" for aerial/satellite image).
The set-up is the following:
a ground plane (in green in the figure ...
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Copy and paste X, Y and Z values
In Blender 2.79 there is a new option that allow you to copy all the transform values (x, y, z) at once in the N-menu with CTRL + ALT + C for copy and ...
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