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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How to set the origin before adding a mesh?

How can I set the origin to the end of a mesh before adding it? For the moment I'm struggling with the overhead of calculating the center of each object's appropriate axis in order to get it properly ...
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How to import a georeference model in blender?

I import the .ply into blender. But it loss its coordinate system information. I wonder is there scripts or add-on that can add lat and lon information of the imported models.
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What is the fastest way to set global vertices coordinates to a numpy array using bpy?

The fastest way I know to get the vertices coordinates from the mesh is to use .foreach_get() method: ...
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Align cylinder center with edge

I've been trying to solve this problem for days now and i'm stuck. I want to align this cylinders center line with the selected line. I tryed to use the location information/coordinates of the line ...
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Creating a greyscale gradient between two chosen points in the modelling space

I'm making a model for a game which is rendered in an isometric view. The mechanics of game engine also factor in model height to determine which part of the model should be rendered in front of other ...
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How are the X and Y axis determined when using the normal transform orientation in edit mode?

When using the normal transform orientation in edit mode the Z axis of faces always points in the same direction as the face normal. In the case of edges the Y axis always points in the same direction ...
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What's the difference between UV space and tangent space?

After thinking a while about UV space and tangent space it seems to me that those two spaces are identical. Both use the shading normal as Z axis und both use the U axis of the UV map as X axis und ...
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Is there a W axis in UV space?

Lately I found out that apparently there is a W axis in UV-space, which acts just like the Z axis in e.g. global space. Is that true? And if it is the case are there any applications of the W axis ...
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How are tangent and bitangent calculated?

In tangent space there is the normal of the geometry which represents the Z axis in tangent space, and the tangent and bitangent. My first question is does the tangent represent the X or Y axis in ...
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How to fix shader warping and stretching on uv sphere

I'm learning procedurally generated shaders, and have a few questions related to Object/uv coordinates. I'm having some problems with stretching and an obvious seem. I've been messing around with this ...
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World coordinates in Geometry Nodes

Is it possible to reference World coordinates in Geometry Nodes without using an external object? For example, can you establish a ray direction for the Raycast node which always points towards global ...
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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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texture offset origin coordinates with python

how to know the coordinates of the origin of the texture offset in order to be able to position the texture in the center of the brush ?enter code here ...
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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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Texture coordinates Question

hello i have simple question is have empty set as as texture coordinated texture and it works ok and here's the question Is there a way to make empty rotate to follow viewport or camera ?
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How to prevent Texture Stretching

As seen in the first picture the image texture (with Texture coordinates) works ok But when i try to move the image texture up the wall this happens is there a way to fix this i tried to rotate the ...
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How to prevent texture stretching? [closed]

here the file with the problem. bc how to prevent texture stretch when the texture is going up the wall.
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Geometry Nodes - Selections from A Variety of Collections Based on XYZ Index values

I'm trying to understand Geometry Nodes in 3.0 by doing my own modular generator where instances are being generated from a simple base mesh object (see image above) that is then put through a Remesh ...
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Z and Y coordinates are swapped, regardless of the transform orientation?

Whenever I try to resize an object locked to Y axis, it resizes what used to be Z axis. I cycled through all of the transform orientations, but the Z and the Y axis are still swapped. I'm using ...
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Vertex Coordinate Values in Global positions?

I've been using Blender 2.7 for a number of years, and I get very specific with my vertex locations by setting the transform XYZ to Global numbers instead of local. This has allowed me to make very ...
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How to apply texture based on normal coordinate?

I'm working on a project where I need to place two different texture one on the blue side and another on the pink side based on the output of Normal Coordinate from the Texture Coordinate node (See ...
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UV unwrap changes Material thats Using uv coordinate

So I made this plant and I wanted to join it into 1 object, uv unwrap it and export it with a baked texture, but the problem is when I uv unwrap it the material changes (because Im using a texture ...
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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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2 answers
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How To Move All Selected Objects To A Specific Z Value?

Currently if I select a group of object and change the Z value it only move the object I originally selected. Is it possible to change the coordinates of a certain selection of objects of different Z ...
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Manage files with geographic coordinates

I need to import meshes generated by laser scanner point clouds into blender. The meshes are georeferenced with UTM coordinates. Do I have the possibility to import the georeferenced meshes in Blender ...
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I can not move/scale/rotate my object, instead a coordinate system from the object moves/scales/rotates [duplicate]

I am very new to Blender, but am already stuck at a point. When moving an object, it does not move the object, but a coordinate system from the object. The same goes for rotating and scaling. I could ...
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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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2 answers
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Animating grid lines forming into a big grid

I am trying to animate lines into forming into a big grid something similar to this: https://www.youtube.com/watch?v=LPwP_CPVwqM How can I achieve this type of animation? At first I was thinking of ...
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2 answers
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Display childs local coordinates to parent

I don't get Blender's parenting system. I have a cube at location 1, 1, 1, create a new sphere at 0, 0, 0 and use the Make Parent command with ...
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Adress and select specific triangles of a stl data set

Dear Stackexchange community, I'm a beginner in Python and Blender. In general, we work with STL-data. I found a python code, that could parse the coordinates of each triangle (one scan data-set ...
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1 answer
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OBJ import coordinates

Importing OBJ files in blender gives positions that don't (textually) match the .obj file. That is to say, a vertex that has position ...
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1 answer
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How can I get the global coordinates of joints or bones of a skeleton during animation? [duplicate]

I want to get the coordinates of joints of a skeleton. The following is the main code I used. ...
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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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1 answer
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Half of the scale value not in the middle

I just tried starting with Blender by scaling a cube with the values x=20,y=20. Afterwards I tried to move the bottom left corner to the origin by changing the location by half of the values (10,10) -...
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Getting baked animation values using python while preserving editable animation

I'm trying to use python to get world space location and rotation values of an animated camera, including transformations applied trough parents and constraints. I need the Values as XYZ coordinates ...
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Help with local coordinates with parents, constraints, and drivers [duplicate]

I'm trying to make a wheel rotation system using drivers https://youtu.be/3mIrbZb-ZQQ I have tried to fix this with drivers, constraints, and parents, all of them do the same thing.
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Can you use .cub files in blender?

I am looking into a research opportunity with my college and my professor explained to me that he uses a application called Multiwfn and it produces a large txt file of coordinates, I was wondering if ...
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1 answer
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Get pixel coords for vertex in viewport

Is it possible to get the screen XY coordinates in viewport for a vertex in orthographic view? I get pixel locations as per a previous answer like this: ...
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3 votes
1 answer
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Bend a flat gradient without distortion

I am trying to make some shapes out of object coordinate vectors. I want to take a linear gradient (the X, Y, or Z) and bend it an arbitrary amount around an arbitrary point without distorting it. ...
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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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changing the coordinate system of imported 3D stl

i am an oral and maxillofacial surgeon. when i import models from the impression of patients teeth it is imported in the 0 position of the coordinate system. when i immport models from segmentation ...
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2 answers
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UV cube projection preserving vertex coordinates

When I apply "UV > Cube projection" it centers all the islands somewhere around (0.5,0.5) UV coordinates. I'd like, however, to preserve the the local vertex coordinates. For example if ...
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2 votes
2 answers
309 views

Getting vertex coordinates with applied shape keys

I'm trying to write a function that returns vertex coordinates including their transformation that was a applied by (one or multiple) shape keys. Currently this is how I tried, but I only get vertex ...
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1 answer
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select certain vertices and export the xyz coordinate

How may I select certain vertices I want from this 3d mesh in Blender and export these vertices coordinates values as a table in a *.xls or *.csv file format? I'm looking at 100 over vertices to be ...
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1 vote
0 answers
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Rotate a mesh selecting 3 points which will be the floor

In Zephyr, I've seen that there is a functionality to rotate the mesh selecting 3 points which will be the floor. Do we have such functionality in Blender? This is quicker that playing with the gizmo ...
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179 views

How to move a bone's tail to coordinate in pose mode?

How can I update the coordinates of each bone's head & tail like I did in edit mode, but in pose mode? Is rotation (along multiple axes) with resizing (as the distance between every two tails may ...
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1 answer
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axis_conversion producing unexpected result?

I am attempting to convert the world transforms of scene objects into a different coordinate system (-Z forward Y up) using axis_conversion method as follows: ...
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Plotting multiple, separate, closed Bezier objects from dataset of xyz coordinates

I am new to blender and am using python within blender to do the following: Read in list of coordinate data for bezier curve objects - DONE For each unique object within the dataset, take that ...
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2 answers
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How to get the coordinates of a sliced volume?

I have a project where I need to calculate the immersed volume of a floating body (e.g., ship). I am starting with the basics, so I am considering a cube for now. The waterline is assumed to be a ...
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