Questions tagged [blender-internal-render-engine]

Please use this tag only for questions related to the render engine; don't use it for questions about Blender's internal code or Python API. Blender Internal (also known as Blender Render, Blender Internal or BI) is a biased rendering engine built into Blender version 2.79 and below.

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Can Blender Internal Render passes be put back together again?

I'm stuck with a simple task. I need to tweak some render passes of the image, and then put them back to the combined composited image. For Cycles I use this scheme from the manual: It works as ...
Mechanic's user avatar
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5 votes
1 answer
574 views

Why Cloud texture has square cell pattern?

When I am using Cloud texture as bump map in Blender Render, this cells appear. How can I make them go away?
Serge L's user avatar
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5 votes
1 answer
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Matcaps not showing up

I was working on sculpting and wanted to apply a matcap, however when I go and turn on matcaps nothing shows up. I am in blender render and just updated, is there any setting that could be causing ...
WumboTheElephant's user avatar
4 votes
1 answer
604 views

Is possible to generate a preview material from python?

I would like to generate the preview of a list of materials. I could create a sphere and apply the material, render and save it in a loop, but what I would like is to use the internal functionality of ...
Antonioya's user avatar
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0 answers
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How to create this awesome transformation animations from manim python math animation library in blender?

It is the output of following python script ...
Navpreet Devpuri's user avatar
3 votes
0 answers
414 views

Blender cannot recognize CUDA graphics card for headless render on linux

I'm trying to do headless cycle rendering on a linux server with nvidia gpu. Blender seems to have trouble finding the gpu. Running nvidia-smi gives me: ...
Blzz's user avatar
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3 votes
0 answers
534 views

What is the fastest way to get pixel data out of the camera?

I'm trying to speed up a script that has to generate a black and transparent object (those are the only two RGBA colors), and use the pixel data coming from pictures of it shot from multiple angles. ...
aPonza's user avatar
  • 201
3 votes
0 answers
173 views

Using BPY to get location of particle in keyed particle system

How can I get the location of a particle in a keyed particle system? I didn't find anything useful in the API documentation and thought I could post the question here. I know I can get the location ...
David's user avatar
  • 41
3 votes
1 answer
444 views

How to apply two different materials in Blender Internal on front faces and back faces, *while involving transparency*

Basically, I want to see through the transparent front faces to the opaque back faces. This isn't the same as flipping all normals and executing backface culling because I want the front faces to be ...
Dragoonstorm1's user avatar
3 votes
0 answers
150 views

Why is there a difference in coordinate system Cycles obj normals vs. Blender Render obj normals?

Baking normals of a geometry in Cycles and in Blender Render results in two different colours (coordinate systems), although both are set to "object space". When I calculate normals with C++ code, I ...
VisorZ's user avatar
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How to create a sword trail smear in Blender Internal with Particles?

I want to create a sword trail smear in Blender with Particles. I cannot figure it out, and googling doesn't seem to give me too much direction. Perhaps I'm googling incorrectly. The sort of smear I'...
elemein's user avatar
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Running one shot blender rendering in AWS

we have web app, which uses blender for rendering. I would like to know if there is any way to run blender rendering in AWS with instant boot. Rendering takes about 8 seconds on our server(2core) ...
user3063800's user avatar
3 votes
2 answers
2k views

How to get a Material property driver to update properly (2.78)?

After watching this excellent tutorial (https://vimeo.com/40389198) I thought "what ho, this is just what I was looking for, I can make random variations in mass-produced objects!" So I started trying ...
Tazling's user avatar
  • 393
3 votes
0 answers
366 views

Howto get BRDF data information in blender

First of all I want to apologize if I may use any vocabulary etc. wrong because I am fairly new to the 3D-modelling world (but I will tried my best to read up as much as possible). What I want to ...
dodo's user avatar
  • 31
3 votes
0 answers
2k views

Applying physics to multiple objects at the same time

I'm triyng to apply smoke flow to multiple objects at the same time (in the same domain, with blender internal). I Know it's possible for Rigod bodies, with the 'copy from active' button, but I can't ...
Aleph's user avatar
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0 answers
60 views

Color Issue when texturing a surface

Brand new blender user with no experience, trying to map a texture to a single side of a cube for an animation. I am having an issue where the black areas of the image end up looking white when ...
barrett's user avatar
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0 answers
309 views

How to combine Z-Transparency and Mask Transparency in BI

I have a plane, in front of a cube, with a texture used for alpha. Now i like to use the BI Mask-Transparency to (alpha) hide everything behind the white areas. The black areas should be complete ...
user2488's user avatar
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0 answers
321 views

Noise reduction in tight area in cycles

I have an object like this. It's basically an icosphere with holes, which I got by selecting all faces, Select Menu > Checker Deselect and then S + 0. The problem starts when I try to render it in ...
Highstaker's user avatar
3 votes
0 answers
265 views

Lighting a volume with a bi-color point light (2)

This question is a following of this one I would like to light the center of a cylindric volume with a gradient light White -> Red -> Blue radially from the center to the border. I made a test of ...
JeanJouX's user avatar
  • 419
3 votes
1 answer
253 views

Pixel perfect in blender game engine

I am working on a game in BGE and I am trying to figure out how to give my game a pixelated look while not making it blurry. I have found some scrips online but I am not sure to apply it onto my ...
user64292's user avatar
2 votes
0 answers
21 views

Is it possible to produce a blur map of a render instead of having baked motion blur?

I'm looking for a way in which I can render an image in Blender with no motion blur, and separately render a map per frame that dictates blur from the motion information of the meshes in the scene.
Will Woolfenden's user avatar
2 votes
1 answer
26 views

Why is the cube whiter when I am in pencil mode or edit mode? And how to fix it?

Why is the cube whiter when I am in pencil mode or edit mode? And how to fix it?
Beaidnos Siiggur's user avatar
2 votes
0 answers
602 views

Nvidia 3090 - Cycles Rendering - Crashes

I have recently bought a 3090 to use for rendering purposes in blender and I have been encountering ALOT of crashes even when rendering a relative small scene. I have used both CUDA and Optix options ...
Giorgos Synetos's user avatar
2 votes
1 answer
1k views

Normal Glass but behaving like mirror?

the light source is hdri and light portal in the windows. i use camera transparency setting and glass transparency. but some of the windows glass behave like a mirror.
Kevin arrigo's user avatar
2 votes
0 answers
40 views

Blender Rendering Image but produce blank in result?

Please help Y I would get this result in rendering image. For the process it rendering with content but blank at final. Pls check the video for more details. Y it would happen and how to fix it? ...
Steve Lai's user avatar
  • 121
2 votes
0 answers
1k views

Want to render a 3D mri image in Blender, either in nii.gz format or numpy array

I have 3D mri images in niftii format that can be converted into numpy array, and i wanted to know what the best way to render them in Blender (or any other 3D software really). Matplotlib and mayavi ...
David Kang's user avatar
2 votes
0 answers
226 views

How can I render the motion path of an object?

I have an object moves based on key frames. I used the motion paths tab to calculate the path which shows on my scene. My camera is pointed straight down at this path but when I try to render, it only ...
Cole's user avatar
  • 51
2 votes
0 answers
70 views

is there any way to preview rendered image from command line while running script?

I have written a script to render animation, i set camera location as a command line argument for rendering so actually i want to provide to user rendered first frame of animation as an image to ...
Vikram's user avatar
  • 41
2 votes
0 answers
116 views

The material shows black artifacts when rendered

This is what it looks in Blender This is what it looks after rendered The atoms still looked fine but the bonds looked grainy even though (I think) I assigned the material to bonds the same way I ...
Mick Krongchon's user avatar
2 votes
0 answers
200 views

can't edit circle in edit mode

I am trying create a circle in blender 2.79. But in edit mode, I can't see some point (read line in end 2nd picture). Can you tell me how to setting it same with 2nd pictue?
Hung Nguyen's user avatar
2 votes
0 answers
209 views

Vector Displacement from Zbrush to Blender

How do I get Blender to render a vector displacement map from Zbrush properly? I have rendered the diagnostic scene from Zbrush, but none of them are accurate enough to be useful. I am running ...
Stefano's user avatar
  • 21
2 votes
0 answers
2k views

Strange blue color in Solid mode

Recently, encountered a problem with this strange blue color in solid mode. It did not harm me until I exported this model, and this blue color combines with any material I add. For example, skin + ...
Pavel Serdziukou's user avatar
2 votes
0 answers
2k views

Blender rendering blank videos

I am seeing a strange behavior with Blender. Let me explain the detailed workflow of what I do. I use OBS studio to record my screen and audio. The output is produced in mp4 file. I edit the video in ...
CuriousMind's user avatar
2 votes
0 answers
357 views

Smoke not rendered behind transparent material - Blender Internal

I have been banging my head against the wall for weeks over this before deciding to reach for help with more experienced users. I am working on a smoke simulation in which smoke flows through a ...
Rod's user avatar
  • 21
2 votes
0 answers
160 views

Why do coloured planes start to turn white when they're made semi-transparent?

I want to do an octant with semi-transparent panels with drawings on them. I achieved part of the desired effect, but the drawing is almost invisible against the white background, or when the other ...
Rodrigo's user avatar
  • 121
2 votes
0 answers
406 views

How do I set output video file name using python script?

I'm using a python script to render my scene using the OpenGL render to get more speed, as the quality I'm getting is enough for my purposes. I'm using this script: ...
valter's user avatar
  • 121
2 votes
0 answers
68 views

I can't choose Freestyle color in one file

I have been using it for a while, it's even activated on my default settings, today i got a problem while creating a new file/model, it shows an orange like freestyle color, i can't even change it, i ...
Khyze's user avatar
  • 21
2 votes
0 answers
453 views

Baking materials with alpha-blended textures

I'm currently trying to bake some low-poly assets for use in realtime applications. I'm familiar with baking high-polygon meshes into low-polygon versions, but it would be helpful to merge multiple ...
The Secret Imbecile's user avatar
2 votes
0 answers
104 views

Visualization of density gradients in a fluid

I want to visualize periodic changes in the density of a gel-like fluid due to external forces. The fluid is contained in a hollow cylinder in which I have modeled a "cutaway" section. I would have ...
NewAtThisStuff's user avatar
2 votes
0 answers
564 views

Normal Map difference in blender and other soft

I created a low poly object, and a high poly object (beveled). We bake the normal map in Blender. When displayed in Blender it works well, but in other programs (3ds Max / Substance Painter) the low ...
Arthurchik's user avatar
2 votes
0 answers
615 views

Using the output of the shader as a masking factor in the cycles?

I use the output of the material(shader) as a masking factor in the Blender Internal renderer. I tried to do the same in Cycles but it didn't work. Is it possible to use only texture or input nodes ...
J. SungHoon's user avatar
  • 2,196
2 votes
0 answers
1k views

How to move an object in random manner or change direction randomly

I am trying to move an object in 3d environment using blender python script similar to this https://www.youtube.com/watch?v=bEo8YRHysp8. I tried with the following code but ended up in jerks in ...
spod's user avatar
  • 263
2 votes
0 answers
549 views

No response while and after rendering

When i render in Blender everything works fine, until I put the window into the background. Sometimes, when I go then tab back into Blender, it says "not responding". Interestingly, it still renders ...
xeruf's user avatar
  • 393
2 votes
0 answers
192 views

procedural texture with varied coverage

I want to generate textures with varied coverage, namely, the percentage of filled pixels varies. From the coding perspective, we could achieve this using quad-tree, i.e., subdivide the image into ...
user3805728's user avatar
2 votes
0 answers
613 views

"no objects or images to bake to " even when texture and object are active

The "no objects or images to bake to" error I get when I try to bake. As you can see below it happens to only some objects even though the texture appears active.
Venay's user avatar
  • 313
2 votes
0 answers
1k views

Problem about text (letter not complete)

I have a problem with the letter "s" and the number "5" (the same form) with this font on Blender :/ It is not complete and don't appeared on my render. [Pardon my English] Thanks
Axel Clergeau's user avatar
2 votes
0 answers
165 views

Network Render recognizes both computers, sees the job, but is STUCK ON QUEUE

I am running 2.78 on two identical Macbook Pros. I've setup 1 to be the slave, one to be the master, and they seem to be connected and able to send jobs... however, when I try to start the render, it ...
user34190's user avatar
2 votes
0 answers
556 views

Cycles & Blender Render for God Beams / Crepuscular Rays / Sun Beams

I'm having trouble getting the actual beam of light to show in the render of my image. What I want to do is create an image that looks like this: However, In blender render I am unable to get the ...
Weston Uram's user avatar
2 votes
0 answers
236 views

How can I limit motion blur to a specific object?

I have a plane with propeller. The plane is moving and so is the propeller but I just want the propeller to have motion blur and not the plane body. How can I achieve the effect? I am using blender ...
farid rozman's user avatar
2 votes
0 answers
124 views

Automatically move the camera and incorrect context error

I understood that the problem of incorrect context is a pain, and overriding context is not always a good idea, because there are generally better solutions. I need to import and render hundreds of ...
Frank's user avatar
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