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, eevee, blender-internal, etc).
10,244
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how do I create a sprite with hard (aliased) edges, but still be antialiased inside?
This question came up in the irc channel yesterday. The fellow had a model he was turning into a sprite for a 2D game. He wanted it to be aliased inside, but have a hard (aliased) edge.
Getting ...
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3
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Ideal camera settings to approximate human eye?
As far as things such as Focal Length, Sensor Size, etc., what are the ideal camera settings in blender that most closely approximate the human eye? Right now, everything in my scene seems like it is ...
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0
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How to create single-pixel wide edges? [duplicate]
When using the Edge option on the renderer, it creates several-pixels wide borders.
on blender http://dl.dropboxusercontent.com/u/62862049/Screenshots/01k.png
When creating pixel arts, though, it ...
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vote
1
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How can I have a custom projection matrix? [duplicate]
I want to use a different style of projection, to achieve this effect:
effect http://www.boacompra.com/uoljogos/images/screenshot/tibia/shot10.jpg
I know how to create a projection matrix for it, ...
- 75
3
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0
answers
1k
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data formatting of Z-buffer [closed]
I am currently trying to generate synthetic depth images using blender. I understand that current the z buffer can be output using the composition nodes into OpenEXR and I have successfully done that. ...
- 31
2
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0
answers
515
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How to do multi-pass rendering on customised shaders? [closed]
I'm using customised shader to achieve a specific aspect. I'm confused by the fact it is dealt with by the game engine, not the rendering engine (??), but my actual question is: how do I do multi-pass ...
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3
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151k
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Preview rendering the current view from the viewport?
How can the current viewport view be rendered as a preview?
- 7,883
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0
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25
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Parts of mesh appear dark in 3d view and in render [duplicate]
I have an issue with a part of my model. It looks weird in object mode as well as in a render. Please look at the attached screencaps.
I checked and all the geometry in and around this problem have ...
- 289
3
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0
answers
188
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Black Images when rendering: image editor does not work [closed]
My rendered 3D model is correct, light and camera are on and it displays nicely in the rendering mode in 3D view.
However, when I hit the render button the rendered image is black. Here is a ...
4
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1
answer
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How to exclude hair particles from freestyle render?
Is there a way to prevent freestyle from rendering lines on hair particles?
I still want to render lines on the mesh which has the particle system.
- 155k
4
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2
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356
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Objects showing through other objects in the BGE?
I am having trouble with a rig I imported from MakeHuman. When I run the Embedded Player or the Standalone Player my character's facial features come through the mesh.
They are positioned properly, ...
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1
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How can I remove a reflection onto an object but keep the shadow?
I tried isolating the two objects via layers, but that removes the shadows as well:
When I don't isolate, I get these little single-pixel reflections on the image material for the background object:
...
- 185
1
vote
1
answer
715
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Black artifacts in some rendered images of a text [duplicate]
I'm a complete newbie and was wondering if I had set up something wrong.
I used the 20th Century fox blend and successfully rendered 600 jpg images. Looking good, except that about 30% images have a ...
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1
answer
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What is multiple importance sample option
What is multiple importance sample option.
And the main question is Can It be simulated via OSL shader or in particular glossy shader?
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1
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Controlling volume density
How can I control the volume density values at different locations in a mesh with volume shaders?
I know that noise textures can be plugged in to the density factor slot of a volume shader (producing ...
- 3,232
4
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1
answer
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Gray polygon appears in render/camera view but not user perspective [duplicate]
I'm working on an assignment for an animation class and there is a gray polygon appearing in my camera persp view and in my renders and I cannot figure out what is causing it.
Here is the blend file: ...
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1
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Is it possible to change the IOR inside a volume?
For instance, is it possible to simulate effects such as heat haze or other kinds of mirages which are caused by air with differing/changing refractive indexes?
Plugging a procedural texture into the ...
- 155k
5
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1
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212
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How to Add and Render Many Columns
I would like to render many buildings (say, about 50000) as simple columns on a flat plain in Blender. I have values for location (X,Y) and a height value. However, if I try to add more than a ...
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1
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8k
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Correct way to render crepuscular rays in cycles?
While trying to use the new cycles volumetric rending features to create crepuscular rays (with the intention of updating my answer here), I have found this to be a little trickier than I anticipated.
...
- 155k
4
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1
answer
1k
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How should I deal with horizons?
How should I deal with the horizon in a scene? I have tried blocking it with fog, a hill, or even water but they all tend to look tacky.
Showing none of the sky tends to make it look flat. What ...
- 725
1
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0
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3k
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My Objects won't render [closed]
Well, I make Minecraft Animations and I was moving from Blender 2.69 to Blender 2.70. The version move was successful. It rendered properly n' stuff. I was playing around with nodes and render layers. ...
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How do I export my scene with the propper nodes to a Collada file from my cycles render [duplicate]
How do I export my scene with the propper nodes to a Collada file from my cycles render
I am working on a spaceshipe but when i try to export it to a collada file the texteres are missing, I am using ...
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1
answer
413
views
Cannot combine results from different renderlayers?
I am trying to very simply use the compositor, but keep running into the same problems over and over.
I have tried both in Cycles and Blender Internal, but to no avail.
When I move a sphere to a new ...
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1
answer
1k
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Renders get pixelated when viewed up close [duplicate]
I have been using blender for about a year now and have only just started to notice that all my pictures are actually not that HD. If you zoom in on a render just once, you can see each individual ...
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4
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Does blender support what I could best describe as "Occlusion Planes"?
Is there a way that i can have a plane set to not render anything beyond it?
What i am trying to do is create custom UI graphics for a java application. I find that blender produces some VERY nice ...
- 1,091
3
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0
answers
471
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Smoke not rendering between a transparent object and another object [closed]
So, I've tried everything I can think of on this one...
As you can see in the image the monkey head is close behind the smoke, and the transparent cubes are slightly in front of the smoke.
This is ...
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1
vote
1
answer
5k
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Blender doesn't render the cloth-simulation [closed]
Blender doesn't render the cloth-simulation from the umbrella.
.blend-file
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1
answer
3k
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How to render rotating propeller?
I have a nice (in my opinion :) ) looking propeller on my Fokker VII. I am happy with this for stationary shots, but if I want to composite this in an aerial scene, I obviously shouldn't have the ...
- 1,869
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2
answers
9k
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Create invisibility cloak (alpha mask material)
How can I create an invisibility cloak? It should be an invisible object which causes other specified objects to become invisible when it covers those objects.
- 6,496
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2
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Custom nonlinear distortion lens
Is it possible to create a custom nonlinear distortion lens in Blender?
I'm assuming that Blender superimposes a rectangular grid in front of the eye, and fires out a ray through the center of each ...
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0
answers
946
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Rendering result different between Path tracing and branched path tracing [closed]
In path tracing with 10000 samples i have this result:
With the branched path tracing at 10000 AA samples and diffuse, glossy, transmission.. at 1 i have this result:
nothing else has changed.
Why ...
- 1,370
2
votes
1
answer
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How do I composite render layers in 2.69 using Cycles?
I'm using 2.69 Cycles and I have a plane on one render layer and a cube on a second render layer. Also, under Render -> Film, I have Transparent selected so both layers have no background color.
I ...
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1
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Just render shadows and reflections
What I want basically want to create is this
Therefore I good some spheres on a plane and some lighting.
My problem is, that I want to have all the shadows and the reflections of the plane on the ...
- 1,709
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3
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Why is rendered viewport faster than rendering individual frames?
When I'm using rendered viewport it initially takes a while before rendering starts, but once it does, I can freely move around and rendering a new view happens almost instantaneously. When on the ...
- 2,370
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3
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Atmosphere (Rayleigh/Mie) Scattering in Cycles
I'm currently trying to create a photorealistic model of planet earth. Texturing and "modeling" is of course no problem. More interesting is the question how to obtain a realistic looking atmosphere.
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96
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3
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Enabling GPU rendering for Cycles?
I want to enable GPU rendering, but there is no option in User Preferences > System:
Why is this? How can I get cycles to render using my GPU?
0
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1
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macbook pro rendering issue [duplicate]
I have a macbook pro early 2013 model with i7 processor and nvidia m650 graphics but when i go to the settings to enable gpu rendering there is no option to select it only cpu rendering can anyone ...
3
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0
answers
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how to render a composite created by scripting?
I tried my best to find the answer browsing the API doc and forums but here I'm stuck with quite an odd problem.
I'm developping an import addon wich I'd like to work as follows:
it opens a directory ...
3
votes
2
answers
4k
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Can I create a separate Volumetric pass for Blender Cycles 2.70?
I have a complex scene that I would like to render with GPU enabled, is it possible to add a volumetric pass from a separate, CPU only, volumetric render?
(Volumetrics are not currently compatible ...
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1
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6k
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How to render world position pass
A world position pass is a pass used for composting other elements into the scene after the initial render. In a world position pass the R, G, B values correspond to the X, Y, Z axis (or X, Z, Y). A ...
- 14.5k
3
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2
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682
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Are render passes always rendered?
It would seem that the answer at least partially no, as rendering a simple cube scene with no passes enabled takes 3 seconds, while with all passes enabled takes 9 seconds.
I always imagined that ...
- 155k
13
votes
1
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2d vs 3d Depth of Field
What is the difference between Depth of Field rendered at render time (3d) compared to Depth of Field created in post (2d). Both are depth of field, they look very similar if not the same. 2d depth of ...
- 14.5k
3
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1
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Cannot change to GPU Rendering [closed]
I use Blender with my iMac Late 2012 and I have the graphics card NVIDIA GeForce GTX 660M. In the internet it says, that this graphics card has CUDA but however I cannot change the 'Compute Device' in ...
- 1,709
1
vote
2
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Clearest quality format for UV images
I just need to know what format to export my images in before loading them into my blender file, so when I export the video my images don't come out blurred or fuzzy
Whats the best quality format, ...
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8
votes
1
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Workaround to keyframe the world setting?
I'm experimenting with HDRIs and I need to render a still frame of the same scene but with different world settings. I would like to automate this instead of changing the world setting manually, wait ...
3
votes
1
answer
749
views
Switch rendering engine depending on render layer?
Can I somehow link the choice of render engine to the render layer?
I want to composite cycles and freestyle.
The render layers which I use in the compositor as inputs should 'know' which render ...
- 71
6
votes
1
answer
2k
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Automatically picking high-poly / low-poly model based on distance to camera?
I'm trying to model a city, and I was wondering if Blender somehow supports "level of detail", i.e. something like this:
I create multiple versions of the same buildings that differ by
polygon count (...
- 217
1
vote
0
answers
718
views
Render transparent object distortions but not the transparent object
I'm trying to render some artifical object behind glass.
This object has its material properties in such a way that it produces refraction (raytrace transparency with IOR > 1), reflections, and it ...
- 591
2
votes
2
answers
865
views
Blender writes render even when there is no composite node?
I am new in Blender and I would like to know what is best workflow for creating output to many files and compose in AfterFX or in Blender Composer.
I know that I can render from Blender finished ...
- 845
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2
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1k
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Why is render stacking less efficient (noisier) than rendering normally?
Why are stacked renders noisier than straight renders which have the same number of samples?
Using this technique for resuming noise based on the rate at which pixels change outlined on the wiki (...
- 155k