Questions tagged [add-on]

An add-on is a python script or plugin created to expand Blender's functionality. There are many add-ons in the official builds of Blender, and with every new version comes new add-ons.

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0answers
657 views

Script works independenlty, but not when called from another script

I have a script(Script A) that sets/adjusts a lot of render settings in the render panel, in Blender. Script A: ...
2
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1answer
234 views

How do I make an object in my scene into an object I can instance using python?

I'm in the process of writing an addon that generates buildings based on a group of assets such as bits of wall and roofing. My current plan is to somehow dynamically save custom assets, including UV ...
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623 views

Leaf texture is not mapping correctly onto leaves?

I am using sapling addon to create a tree. A tutorial says that the sapling addon is meant to map the leaves perfectly, once you add a texture. However, it isn't doing this when I try. Instead, the ...
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0answers
149 views

Cell fracture causing additional non desirable geometry. How to fix?

I'm trying to use Cell Fracture addon to 'break' simple building model but it causes additional geometry which makes model very ugly. Original model: After Cell Fracture: I understand it is ...
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1answer
760 views

Import error: module not found

I am working on an addon and when I test installing it it works just fine, but when I reopen the Blender I get a message saying "JARCH_materials" module not found, ...
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2answers
1k views

Why the blender browser plugin is not updated?

You can create blender games and make it run on browsers using Blender Browser Plugin. Just wanted to know why the browser plugin is not maintained? If it is available, it will make a huge platform ...
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1answer
669 views

Initializing Scene Parameters in Addons

I'm working on an addon that reads stored scene data, but am having a bit if difficulty initializing them. The value on the sliders can only be read when you manually nudge them a value or two, or ...
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0answers
87 views

Need easy method to make SciPy available in my scripts [duplicate]

Thanks for taking notice, but in my original question I stated (I have put the operative part in bold font): "I would like to use SciPy special functions in Blender scripts, e.g: ...
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1answer
2k views

Setting active object through python issues

I am working on an addon that creates siding, it also allows you to cut out rectangles in it for windows and doors. It uses Boolean modifiers for this. When you select bricks it cuts the brick then it ...
4
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1answer
3k views

Class already registered as subclass (module structure for addon)

I am working on creating an addon and I have a main __init__.py file and then I have a another file we will call utils.py. ...
1
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1answer
270 views

What is and how can I use the bpy.types.UIPopupMenu?

I want to use the bpy.types.UIPopupMenu in my addon but it turns out that it can not register. (Console:UIPopupMenu does not support registration). Can i use ...
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0answers
699 views

Help with Atomic Blender addon

When loading PDB files into blender with the Atomic Blender addon, only the atoms are present but no bonds, despite selecting sticks/bonds and varying a number of other settings.
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2answers
2k views

Options for object creation are greyed out

I am trying to model a tree. I turned on the Add a sapling add-on in user preferences, however once I want to begin editing the settings, they come up but is grey and doesn't let me click on it. I ...
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2answers
372 views

Trouble with getting global vertex positions

I am working on a siding generator script and I have most of it done, but I am having some trouble with one of the features. You can use a plane as a template object, and the script gets its position ...
3
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1answer
2k views

How to uv unwrap object with python

I am creating a siding generator and I want it to add image textures to the model and uv unwrap them, but I am having one pain of a time getting around the bpy.ops.uv.smart_project.poll() context. I ...
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1answer
2k views

Problem enabling siding generator addon

I created this siding generator and I have been adding some new features and I have encountered some problems that I just can't seem to get around. Currently it is not installing into Blender 2.72 ...
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1answer
521 views

Add-on UV Paste Copy/ Align Distribute and Screencast in Blender 2.72

I just installed the latest version (Blender2.72) - Add-on Screencast disappeared. I think it's a shame because it was very useful ... At a Blender 2.72 RC version I tested the add-on UV Copy/paste. ...
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0answers
58 views

Installing Free Blender Resin Shader for Cycles [duplicate]

I have signed up to Blender Cookie and got an download link for the above mentioned file. But when I try to install it with the addon function in Blender it won't install. Does anybody know this file ...
3
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1answer
1k views

Use “Add 3D Function Surface” addon via python

I would like to know if there is any way to use the "Add 3d Function Surface" addon via the python interface. I have an equation that describes a surface in the three-dimensional space that I can use ...
14
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1answer
7k views

Where is the BSurfaces project living now?

It would appear that www.BSurfaces.info the web site for the retopologizing tool has gone down and was gobbled up by a dentistry practice. Where is the project living now? Has someone put the code on ...
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0answers
737 views

addons User Preference and custom properties

I'm using the addon preferences to store some props (bool, filepath ecc...). But this prop are saved only in the global preferences of blender. I want that some of these props could be saved in the ...
1
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1answer
487 views

How to distinguish between “Addon is not installed” and “Addon is not enabled”?

I want to check if an addon exists and if it is enabled. So i tried: loaded_default, loaded_state = addon_utils.check(addon_name) But i found that i can not ...
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1answer
1k views

How to control user interface (panels) across Addons

I have a Master Addon which adds its own vertical tabs and panels. Then i have a Child Addon which provides some additional tools which fit well into various panels created by master. But the Child ...
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0answers
26 views

Adding the “render” operator to a menu (addon) [duplicate]

I tried to add bpy.operator.render.render() to a menu (e.g. invoked via Q key) for quick access, but the rendering operation executed via the menu runs without ...
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1answer
768 views

Can I avoid an undo when operator is called due to a property change?

I am writing an add-on that creates a mesh with several randomly generated aspects. The mesh is generated from default property values when the operator is initially called. These properties are added ...
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2answers
614 views

CollectionProperty avoid duplicate names

I have a CollectionProperty like this: ...
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1answer
464 views

Addon/Script: Register custom user properties

Is there a way to register custom user properties for example a filepath the user can set under User Preferences > File? Even better would be the possiblity to ...
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0answers
29 views

Where are the repositories for Blender add-ons and scripts? [duplicate]

I want to create a 3D representation of data where the representation is a plot of a set of values as displacement differences along one axis, relative to the other two axes. Since I've never had what ...
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1answer
2k views

Create blocking popup in Blender api

I'm writing an addon to import game models into Blender. But sometimes, there is a mismatch between a bone's name from the animation file and the name from the object file. So I'd like, when the ...
2
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1answer
308 views

Remove addons from tabs in 3d window

I made my own tab SV, but there are addons that I do not need, Oscurart Tools ,Contour Retopolgy and Object Tools. Why are they not in their own tabs? green - my panels, red - not mine If I activate ...
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2answers
2k views

Object creation slows over time [duplicate]

I know that this has been asked before, but the answers that others have received did not help me much. When creating objects through Python, using bpy.ops.mesh.primitive_cube_add() there is an ...
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0answers
1k views

Chart Graphics Generator Add-On: AttributeError: '_RestrictContext' object has no attribute 'scene' [closed]

I'm new to Blender, and I'm finding that it's a very powerful tool so far. At the moment, I'm trying to enable an add-on called Chart Graphics Generator. However, it produces this error whenever I try ...
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1answer
3k views

Trouble installing a script file of an addon (threejs export)

I placed the threejs script export_threejs.py in %appdata%\Blender Foundation\Blender\2.71\scripts\addons, but it does not show ...
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1answer
488 views

Blender Python Script doesn't show in Add ons List

I am just trying to generate some random geometry to get a low poly environment. Therefore I wanted to use a script that randomizes the vertex position. I dropped the python file into ..scripts/addons/...
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1answer
863 views

Make changes in python scripts of addons effective

I am using blender with an addon called blensor. I have some trouble with this addon and would like to alter its code at some place to see the effect my changes made. Here is a working procedure: ...
4
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1answer
1k views

index out of range for UIList causes panel crash

I am writing an addon that displays the mesh modifiers in a listbox, with the settings below the box. The issue I have is with the active index for the listbox - I'm using a custom property because ...
7
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2answers
11k views

“Install from File” not working to install addon

I'm facing a problem with the installation of a downloaded addon. I press Ctrl+ALt+U to access preferences panel in addons I select INSTALL FROM FILE Then a choose caliper script and press INSTALL ...
2
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1answer
474 views

Cell Fracture not appearing when activated

I just installed the latest version of Blender v2.72 because I wanted to play around with its cell fracture addon. I go into user preferences and check the box to activate cell fracture. Save ...
12
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4answers
12k views

List of objects in scene with counts (verts, faces, tris)?

Is there a way to see a list of all objects in the scene with the number of verts, tris, faces of each object? I know you can click on a object and go into edit mode and it shows the numbers, but if ...
0
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0answers
35 views

Cell fracture doesnt work well [duplicate]

I'm trying to fracture my statue object. I looked everywhere but couldnt make the fracture work well. this is the blend file http://www.pasteall.org/blend/30082 anyone can help me? Thank you!!!
1
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1answer
825 views

Having a problem with an add-on. (3 part question)

Part 1: I've got the source code for an add-on for importing a .skn file that won't display in the add-ons menu in the preferences window. I have the folder with the 4 files needed in it in the ...
3
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1answer
2k views

ImportError for module installed in scripts/addons/modules

Where do I put the Python packages my addon imports so Blender can find them? (There are some questions on this topic already but I can't find what I'm doing wrong.) It works fine on my Linux system ...
6
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1answer
2k views

Debug and step through addon?

I've installed the DirectX export addon (found here). I'm exporting an object with armature animation but it's not working how I expect it to and the documentation isn't helpful (See this question). ...
3
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2answers
2k views

Loop cut and slide using python script in blender

I have created a cylinder using python API of blender. This cylinder has only vertical strips. I want horizontal loop cuts in this cylinder so that it would have a perfect mesh shape of quads. How to ...
8
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1answer
6k views

Dynamic EnumProperty by type of selection

Iam searching for a method to get a EnumProperty by the type of the object (Lamp, Geo, Camera) thats selected in the viewport. E.g. If the selected object is a lamp, it would be nice the enum ...
6
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1answer
1k views

How to manage Handlers in an add-on?

What is the best way to manage handlers in an add-on? I am making an add-on that uses the scene_update_pre handler. In the ...
6
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1answer
855 views

Fake user ON by default in Blender materials and textures

How can I set the F button for materials and textures to be always on, even when I create a new material? I don't know Python and I don't have time to learn it, but I have found that there is a ...
4
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1answer
445 views

Fracture part of the object

How would one fracture only part of the object with cell fracture add-on? I have this object: Can I only fracture center of the object, so that the top and the bottom are completely unfractured? I ...
2
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1answer
571 views

Blender CAD commands

Is there a way in Blender to achieve some CAD commands like extend lines to the intersection (or nearest) point, or trim/extend to plane? Like this: http://www.qcad.org/doc/qcad/2.2/reference/en/...
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1answer
907 views

How install PySide/PyQt in Blender?

I want to create blender add-on using QT framework, but couldn't find any information about how install it in Blender. I would be grateful for any information!