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Questions tagged [rendering]

The action of turning a scene into an end product such as an image or movie. If your question is specific to one render engine, please use its respective tag (cycles, blender-internal, etc).

8
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0answers
200 views

Blender on Windows is skipping python script. (brenda on windows)

We've been using Brenda for quite some time now for rendering architectural stills. Since our editing stations are doing nothing at night, I started making a desktop app that allows you to pick jobs ...
5
votes
0answers
338 views

Can I render ambisonic b-Format audio?

Im looking for a way to render spatialized sound to 1st order ambisonic b-format. I assumed the 4ch option in scene audio settings was the key. But that just seems to render a quad speaker setup? The ...
5
votes
0answers
167 views

Killing Blender processes

So I'm currently using Java's ProcessBuilder to run Blender Python scripts for rendering in the background and that's working fine. However, I would also like to abort Blender at any time, and unless ...
4
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0answers
30 views

What exactly happens when Blender 'Synchronizes objects' at render time?

In effort to reduce render times between each frame (Eevee renderer), I've retopo-ed and made sure there are least amount of polygons possible, but I've reached the point where I can't sacrifice any ...
4
votes
0answers
693 views

“Unsupported channel layout” Error, when trying to render with AAC-Audio

I try to render a Video with Blender's video editor. Under Output I set FFmpeg video as file format. Under Render I set Container...
4
votes
0answers
805 views

Multiple GTX 10xx No GPU devices in Cycles Compute Device

I have 4 Geforce GTX 1080. Nvidia 378.66 driver Windows 10 64bit. Blender v2.78b Blender User Preferences -> System -> Cycles Compute Device -> None Cycles render does not recognize my 4 Geforce ...
4
votes
0answers
599 views

Adding motion blur to a video sequence

I am wondering whether it would be possible to use Blender to add a simulated rolling shutter motion blur to a video sequence. I have a video sequence, taken at 240 FPS with a global shutter camera. ...
4
votes
0answers
417 views

Import and render raw volumetric data

Is it possible in Blender to import and render raw volumetric data (outcome of fluid simulator)? I have a set of 3d arrays of floats in C/C++ and I used to render it frame by frame with OpenGL using ...
4
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0answers
1k views

Synchronizing object in Cycles

I have a model of a butterfly that uses a displacement map for most of the detail on the mesh at render time. To get an accurate render, I have it subdividing 4 times for the render before applying ...
4
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0answers
89 views

Is netrender still only useful for multiple frames?

I saw this post from 2013 and this post stating that the NetRender plugin does not yet have the ability to render single frames properly. Is this still true, or is the functionality just hidden away ...
4
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0answers
862 views

Setup network render for cycles render on LAN

I am trying to setup network render with cycles as the rendering engine. My use involves rendering hundreds of images and I have already written logic for it in python which is working fine on single ...
3
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0answers
76 views

Cycles Render, Looks wrong in Render ViewPort, correct in Material ViewPort

Using Cycles Render! Have tried things for hours on end and can't figure it out, please help! I simply want to bake the texture from the Material Viewport, but it continues to bake the looks of the ...
3
votes
0answers
181 views

Rendering with OpenGL in Blender does not show the intended rendered image or animation

I am trying to render animations and images fast using the OpenGL feature in Blender but even though I want it to render a fully rendered image or animation, it only renders the solid image, or the ...
3
votes
0answers
227 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. ...
3
votes
0answers
536 views

Ambient Occlusion with Cycles

So far I've been using the following setup to render the pure object-shadow in a studio environment. Rendered with BlenderRender and than composed in Photoshop. But since the fact BlenderRender will ...
3
votes
0answers
171 views

Strange Rendering Behaviour…Branched Path Tracing

I started rendering with Branched Path Tracing after learning about the benefits. However, after waiting for hours for a render to finish, the renders always end up with some blocks looking like they ...
3
votes
0answers
174 views

Hide an object in a linked group

I have a character made of several objects that I am linking into a scene. The character's objects are part of a group, and I'm linking in the group. However, for certain scenes I want to hide some of ...
3
votes
0answers
84 views

Strange light from glass

I'm doing a scene with a room with a table. On the table I have some wine glasses, but I get this strange light from some of them. The glass to the left looks OK, but the other are not OK. It seems ...
3
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0answers
101 views

Blender Render Transparent Tiles Until Final Image

Sometimes when I'm working on a project at somepoint the following issue will occur and I have no idea what causes it, finding information about it is difficult because searching for transparent tiles ...
3
votes
0answers
145 views

Out of VRAM while it's not

I just ran into a problem where Blender would crash during a cycles render with Windows saying it had to be closed since I don't have enough VRAM. I have a 1080ti which has 11gb VRAM. My scene peaks ...
3
votes
0answers
411 views

Is there any texture amount limit in Blender?

I have made a complex scene with over 1 million faces/polygons. I plan to use substance painter to texture the scene with 1k-4k textures (depending on the size). I need to know if there is any texture ...
3
votes
0answers
125 views

Mist doesn't work when looking through a glass object

I am working on a project. There is one scene that the camera is looking through a window that use the glass material to see the view outside. I decided to turn on the mist pass. Then I saw something ...
3
votes
0answers
415 views

Rendering Animation in background?

Can I render a scene in Blender in background while working on another scene in foreground? Rendering takes some time, but I do not want to watch an hour of animation rendering while I could edit the ...
3
votes
0answers
127 views

materials different between render and viewport cycles

Right now I have a scene set up with two emmission shaders on two planes. In the viewport render I get this image But whenever I render it, I get this The viewport render is as desired but the final ...
3
votes
0answers
153 views

Cloth simulation dirty in render

I want to take a render picture of the cloth over a car. But every time I render it the cloth shadows are too big and somehow not nice (whole cloth with shadows are just 3 colours). It looks good in ...
3
votes
0answers
549 views

Why does my glossy object look flat in render? (Cycles)

I've been playing around with cycles, and got a nice glossy material, and it looks good when multiple objects lie next to each other on the ground. But when the objects are in the air, they look flat, ...
3
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0answers
2k views

Is EEVEE the GLSL engine?

I heard a while back they were making a GLSL engine. Is this the same thing as the upcoming EEVEE engine they're working on for 2.8?
3
votes
0answers
204 views

How does 'Align Active Camera to Selected' decide where to place the camera?

Thanks to this answer, I'm using bpy.ops.view3d.camera_to_view_selected() to automatically place a camera so that it frames the selected object for rendering. But ...
3
votes
0answers
519 views

Render view showing random seams and causing blurring to textures

I'm a bit new to blender, but I been working on this for about a week now and big hangup came once I got textures applied to the model. It's hard to see, but there are visible seams in the rendered ...
3
votes
0answers
227 views

Rendering Different angles of one frame

remember in the first matrix film, where Trinity does that jump kick and time stops? Yeah, and then the camera does a full 360 of here. Well I want that effect. Now I know you're probably thinking "...
3
votes
0answers
134 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 ...
3
votes
0answers
534 views

Rendering fluid simulation and assigning material to water

I am working on some fluid simulations in Blender, however this tool is completely new to me and I am having some issues in rendering the output to have a realistic aspect. I have built a water basin,...
3
votes
0answers
81 views

Mesh modifications are shown in viewport but not rendered

Usually I use Processing and Java for my graphics, but I thought it would be nice to try out some Blender scripting because I really like the quality of the cycles render engine. I am currently ...
3
votes
0answers
48 views

Defcous Node algorithm

I am working with Blender to generate defocus images using the Defocus filter it provides in the Node Editor. The official doc says that the blurring is done as a "post-process" using the Z values in ...
3
votes
0answers
317 views

What firewall settings are necessary for a render farm?

I don't use Blender myself, but it is installed in our teaching labs. I'm the system administrator for these labs, and I'm trying to configure the computers so that one of our students can use them ...
3
votes
0answers
89 views

compositor rerender layer

This is my preview render in the 3D Viewport. When I hit F12, I get this render result: I achieved the render result in the compositor before I changed some things in Layer 1. This is the ...
3
votes
0answers
342 views

Problem with tree render

I'm newbie and tried to do a tree in blender, basing on YT tutorials. Unfortunately, it's looks like most of leaves disappear, when i render it, while the rest, are completely dark. In object-mode ...
3
votes
0answers
1k views

Speeding up the Object Synchronization when rendering

When I have large scenes with lots of geometry building the BVH and "synchronizing" the objects. Is there a way to speed it up? I am using Blender 2.77.
3
votes
0answers
183 views

Volume scattering is limited by the fire simulation domain

I have a scene with fire and smoke simulation, adaptive domain enabled . Fire is placed inside a cube with the volume scatter shader . But the light scattering around the fire appears to be limited ...
3
votes
0answers
450 views

How can I render a proper normal pass for smoke in cycles

I would like to render a normal pass for smoke in Cycles like this one: I'm aware of this method mentioned in Blenderartists but the result is far from the result needed to relight in post (via ...
3
votes
0answers
170 views

File output node and output panel both exporting during animation

I have an animation ready to render but there is a small annoying issue. I currently have a basic file output node to export the raw render and a mist pass and they are both set to export to the ...
3
votes
0answers
33 views

Do rays fire if you have no materials of their type?

If you have no transmission materials, does Cycles still process transmission rays? Is there any speed increase to disabling a ray type if you don't have any materials that use it?
3
votes
0answers
107 views

Preview and final render of grass are different

I am making a park with a path in Blender, but I have a problem with the particles. I've put the emission number at 200000 (for starter). At Viewport Shading - Render the grass looks normal (full), ...
3
votes
0answers
405 views

Images rendered on CPU and GPU are not the same

Why is is my image different when rendered on CPU and GPU?
3
votes
0answers
120 views

Blender rendering at 2x speed

I hard cut a video into two segments and deleted the middle. Then I put in a fade to black and rendered out the video. Playing back the rendered file is fine up until the fade to black. After which it ...
3
votes
0answers
172 views

The problem of distortion on the composite

Hi all, I have a problem. I will render an object, is simply a box, get the rendering, compositing, then distort it. As a result of rendering over a live video the cube is smaller and renders with a ...
3
votes
0answers
3k views

Stop animation render after current frame

For long running animation renders, is there a way to stop the render once the current frame is finished? I leave my machine rendering over night, and when I return the next day, I want to stop the ...
3
votes
0answers
501 views

Pixels in Cycles render

I'd created glass bottle filled with corks, rendered it in Cycles and I've got low resolution pixeled render. It does not look like the problem with fireflames everybody writes about: number of ...
3
votes
0answers
3k views

Make object not receive cast shadows

I know you can make an object not cast shadows on others by disabling Shadow in Ray Visibility. But how can you make an object not receive shadows cast by other objects?
3
votes
0answers
272 views

Freestyle Noise Modifier Animation

I've started getting into Freestyle, and found that for a rough, sketchy look, the spatial noise or perlin noise modifier under Geometry tab works great, however when I animate things, these modifiers ...