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1500 questions
31
votes
5 answers

Straighten Vertices Along a Line

On a line, I need to line up the bottom vertex points in relation to a top reference vertex point. How could I reset the X Y and Z coordinates of these vertex points to essentially line them up all through use of the vector of the reference point…
user15462
31
votes
1 answer

How can Blender be augmented to display color critical and accurate results?

If I need to use Blender within a colour-accurate workflow, what do I have to do to set that up (including hardware calibration, etc)?
Todd McIntosh
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31
votes
3 answers

Sliding a point along an edge?

I have a line with a point in the center (2 edges with 3 points that forms a straight line). How do I slide the middle point along the straight line it resides on?
Keavon
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31
votes
5 answers

Why should triangle meshes be avoided for character animation?

I've read many times that triangles should be avoided in meshes; to give one reference: "Introducing Character Animation with Blender by Tony Mullen" says that equilateral triangles work fine as long as you don't deform them. It seems to be common…
stacker
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31
votes
2 answers

Cursor is set to move by increments. how to reset to normal?

My cursor is moving by every selection by large increments! Normally when I use Blender, I am able to select and move objects to any coordinate. Now, all of the sudden, when I select an object or mesh the selection moves by an inch or so in each…
Nick1018
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31
votes
1 answer

Where are my screencast keys?

I can't find the Screencast Keys which allow me to start the display. I have tried the right hand pop-up menu using the hotkey N, but I could not find the Screencast Keys menu which is usually located under the Transform orientations rollout.
St Vincent
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31
votes
5 answers

How to create an animated Electric Arc or Lightning?

I know about the technique of using a displace modifier with an animated displace object on a thin plane, but there are no "branches", no forking in the lightning. Here is an image from Wikipedia that shows more or less what I'm thinking of: Is it…
gandalf3
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31
votes
6 answers

How to get selected edges length?

I have a female model and I want to know her waist width, so I select the edge loop, then use what tool? Is this only possible with python?
kopias
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31
votes
3 answers

Python: Selecting object by name in 2.8

The following: bpy.data.objects['Cube'].select = True bpy.context.scene.objects.active = bpy.data.objects['Sphere.017'] don't work in Blender 2.8, they did in 2.79 though. How should I select (multiple) objects with Python in Blender 2.8?
Michael Teiniker
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31
votes
1 answer

Subtracting Geometry?

I have two models - we'll say a sphere and hollow cylinder - that I'm working with. Effectively, I want to 'subtract' the hollow-cylinder shape from the sphere. I know from certain orientations (the top of the sphere) this is fairly easily done,…
Helpful
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31
votes
1 answer

How to store particle locations in a list?

my question is how to store the locations of a particle or any changing data in a list so as to use the locations for effects like trails. What I intend to create are particle trails, the following steps come to mind: 1. Get the locations of a…
Dembos
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30
votes
1 answer

Physical iridescence in Cycles?

Having recently seen the Siggraph paper A Practical Extension to Microfacet Theory for the Modeling of Varying Iridescence, I of course said to myself "I have to have this in Blenderrrrr!" and started to experiment with a node setup to at least…
Mentalist
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30
votes
3 answers

How to animate noise texture "seed"?

It's possible to animate a change noise texture by animating the texture coordinates with a mapping node or by animating the texture space, however this only works on one axis at a time (on the other axes the texture will appear to be sliding across…
gandalf3
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30
votes
2 answers

Can Cycles renders be done from the command line?

It seems that Cycles is mainly built in the form of Python scripts (as far as I can tell). Is it still possible to use Cycles to render a .blend file from the command line?
30
votes
5 answers

How do I reload a linked blender file?

How do I reload a linked blender file? I linked a .blend file into another. After I update the linked file (say change the material color), how do I make the project I imported it into update?
Petah
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