This tutorial is an introduction to scripting and it shows how to write scripts that use Blender’s powerful features. The tutorial starts by showing how to use the interactive Python console to. Packed with hands-on examples, code samples, and tips for future experimentation, Blender Scripting with Python is an all-in-one reference guide for the Blender user interested in taking control of Blender. Introduction to python for blender, tricks, examples, short tutorials, api, bpy. For newcomers and more experienced blender users. Jan 03, 2017 Blender is the free open source 3D content creation suite, available for all major operating systems. We provide daily news, art and tutorials. Follow BlenderNation Twitter Facebook Google+ Tumblr Pinterest+. First Steps In Blender Scripting. Open a new, default Blender document. If you haven’t customized your settings, there will be a Timeline window along the bottom; change this to a Python Console. Perhaps increase its height to let you see more lines at once. To start with, let’s find out what objects are present in the document. Jun 21, 2013 Blender Tutorial Introduction to Python Scripting Writing a Script That Makes a Simple 3D Model - Duration: 11:16. 3D Blender Tutorials by ianscott888 45,044 views 11:16.
Active2 years, 7 months ago
I am an all around newbie here (new to Blender, new to Python, and new to coding in general) so please bear with me.
I have a Blender script that generates a specific geometry and then renders an image. In the same script, I would then like to create a PDF file containing that image.
I have two different pdf generation scripts that work perfectly fine outside of Blender (I am using Spyder) but if I run the same code in Blender, I run into problems.
Here is the first one:
Here is the second one:
Both scripts give me pretty much the same error:
When I use jpeg instead of png, I get the following:
A lot of online forums mention the need for PIL and/or pillow when working with images. I don't fully understand how I would use those libraries in my code, but if the code works without them in Spyder, I don't see why it would all of a sudden need them in Blender.
Any help is very much appreciated!!! Feel free to ask for more information if my question is not clear :)
Thanks!
Rebecca Wenokor
Rebecca WenokorRebecca Wenokor
2 Answers
Python provides an environment that allows you to run python code, the standard install contains the ability to read files and print text to the console running the python script, among a variety of other things.
To use functionality that isn't included with the standard python install we can install and use third party modules, the reportlab module that you are using to create pdf's is an example of a third party module. The reportlab module knows how to create a pdf file, if you want it to add an image to the pdf then it will use another module that knows how to read image files. If a module used to read images is not available then it can't get the image information needed to add the image to the pdf but it can still create pdf's without images.
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When you install python, the main program and the various modules are installed into specific places that can be found when needed. An installation of blender contains it's own copy of python and it's standard library, which isn't setup to use any normal installation of python that you may have. As you have found, you can manually add items to blender's version of python but the failure within blender of a script that works in spyder (which is using the standard installation of python) indicates you have missed something.
The second error is due to permissions that prevent a normal user writing to the applications folder, this happens as you are only specifying a filename which leads to trying to create the file in the current directory. You should be able to fix this error by using a full path to the target file instead of just the filename.
You may want to look at the subprocess module to run your pdf creation script externally from blender, passing the location of the image created with blender as an argument. This will let you run your python script to automate the tasks in blender, and do the pdf generation in the same setup that you are using within spyder.
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In your terminal type
Blender Scripting Api
This will give you root access and then try running the code
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Blender Scripting Book Pdf
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