Questions tagged [transparency]

Transparency can be anything from an alpha-channel in an image, to shaders in the BGE, to transparency in a material, to the alpha pass in the compositor.

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Alpha textures show only when selected

I'm making a radar display animation (those spinning once) for a movie project. What I do is: Set up a material in cycles to see how it fits together (using b&w images) Create alpha textures to ...
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3k views

Alpha transparency not showing in cycles viewport

Using cycles I have simple cut out people in the scene: planes with .png textures on them. The transparency shows in the material editor and is rendered correctly but is not displayed in the viewport. ...
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I can't make a sphere blend, with transparency, with another (Earth - Clouds)

sorry for the noob question, but I'm following this tutorial and when comes the part to make the Earth appear "behind" the clouds, it doesn't work. I'm stuck at this for a while and I can use some ...
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271 views

Separate alpha from color in Shader Editor

In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot: However, no color separation node in blender supports extracting that value and ...
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1answer
198 views

Transparent object shaddows in volume material [Blender Internal]

Currently I am fighting with lighting artefacts within a smoke simulation, when the lightsource is within the volume and especially also within a transparent object within this volume. (Note this ...
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0answers
110 views

How to remove unwanted refraction (bent-straw illusion) from cycles material?

I am working on a render of Saturn as part of a scale model of the solar system, and have run into a problem with the transparency of the rings. I am using an alpha-mapped png image which seems to ...
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148 views

I am trying to bake a normal map of a set of objects with transparency

I have been trying to bake a normal map for a clump of grass I want to put in a game engine. The problem I am facing is that whenever I bake the normal map it ignores the transparency texture on the ...
3
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1answer
1k views

transparent hair texture for the BGE

I'm trying to create polygon hair like final fantasy characters in blender for blender game engine can someone help me out in creating good quality texture with z-transparency I have already tried ...
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73 views

How to create an image whose alpha value changes according to a curve through time in node-editor?

I connected an image-node with a composite-node and connected a value-node into the alpha of the composite-node. I changed the values and the image changed its transparency. Then, I connected the ...
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280 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 ...
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51 views

Cycles texture with alpha doesn't work after using AnimAll for animating UVs

I need a texture to be animated with AnimAll and have transparency at the same time. Is this possible? Here is the .blend file. It is the bird that encounters the problem. I'm trying to make its ...
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1k views

Objects behind partial-transparent objects are masked out when selected

The setup: Display/shade mode is Textured, Shading is Multitexture No objects have materials, they're purely textured in the 3D view using the info assigned via UV/Image editor. No objects have "...
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172 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 ...
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1answer
1k views

How to crop image based on Alpha in Compositor?

I wonder if there is any way to crop a image based on alpha data like this: The reason I want to do this is that I want to crop the White area of another image (of the same dimension to the Alpha ...
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55 views

Weird glass reflections

Trying to make a simple glass but the shading is clearly off (for reference it's similar to IKEA's POKAL glass). To add thickness I didn't use a solidify modifier because the outside geometry is a ...
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0answers
66 views

Transparency showing as black on a mix shader (multiple image textures)

First time here, still pretty new to Blender. I have an object that I've applied an image texture to. The object is a can with a label that wraps around 90% of it. The object's "label" texture ...
2
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1answer
32 views

how to use the color black on an alpha texture?

What do I when I have a model that I am painting on, the texture has an alpha layer, and I want to do something like paint the color black over some other color on that texture. when I do this of ...
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0answers
36 views

How do I make an object transparent but colored?

So I can make a transparent object but... I can't change the color of it. Any part of the object that is in front of another object puts a colored tint on it (That doesn't really matter since the ...
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43 views

Volumetrics don't show through glass

Is it some Eevee limitation or am I doing something wrong ? Here are my SSR and material parameters:
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0answers
22 views

In Glass shader, transparency in not displayed

I want that when I apply glass shader then transparency must display but it is not , when I applied glass shader then reflection of trees are dipplayed instead of transparency , why? please help me, I ...
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117 views

Texture transparency problem when exporting collada file

I seem to be having problems with my dae objects. I have some space farms and the transparency on the glass is just made using a texture. It looks fine when rendered in blender: But it's for an iOS ...
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2answers
404 views

Eevee transparent glass on transparent background?

Ok, in 2.8 eevee I have "Transparent" checked on film tab, my material settings follow all listed here https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&...
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70 views

How to create more realistic shadows?

Obligatory disclaimer: This is my first post on blender.stackexchange so forgive me if my post isn't on par with what's usually asked here. Explanation: I'm running v.2.80 of Blender currently and ...
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166 views

Using alpha texture as a mask

I have some grass with several flowers sticking out of it. Grass and flowers are meshes with PNG images with transparent background. Alpha channel is set up properly, textures are perfectly see-...
2
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1answer
132 views

How to combine transparent environments with alpha masks?

So there's this Toei anime from 2003 called Air Master and it had a very unique outro in which the main cast would sprint through their hometown. I'm fairly confident that it's environment CG, given ...
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1answer
216 views

Texture rendering looks different from preview

I created a 3d duck with png alpha feathers. I merged feathers to the body of the duck. Cycles rendered preview is cool but when I export the feathers take the unalpha texture of the body (not of the ...
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0answers
275 views

How to make an alpha background in blender eevee?

I want to render an object in eevee without rendering the HDR background but without losing the HDR lighting.
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1answer
216 views

Reflection on an semi-transparent object

I'm trying to create projection of objects in my scene onto one specific object (in my case a sphere). In theory it is simple, by giving the object a reflective surface but here is my problem, the ...
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0answers
37 views

Can I send the BGE image, with alpha layer to other SW like openCV or OBS studio?

I would like to overlay 3D video with tranparency generated by the BGE over a real-time video. So, I supposed that I have to access to the images buffer(with RGBA pixel) and send it to openCV or OBS....
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0answers
109 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 ...
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0answers
89 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 ...
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0answers
194 views

Simulate light bending due to gravity

I'm trying to demonstrate light bending due to gravity, but my knowledge of Blender isn't up to the job. As a test I have a sphere with the Glassy BSDF shader. The colour is set to white, and I've ...
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0answers
2k views

Is it possible to extrude a PNG image?

Is it possible to extrude a PNG image in Blender? (Perhaps using animation nodes or sverchok?) If Blender can read the alpha, wouldn't it also be possible to draw curves along the edges? (assuming the ...
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0answers
273 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 ...
2
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0answers
1k views

Rendering multiple scenes and joining them into one

I am starting a new architectural project of an airport, and I am trying to create a scene where an aeroplane is landing on the runway. Now before I even start doing it, I am interested to know if it ...
2
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0answers
326 views

Object with transparency makes the object behind it transparent

I have an object that consists of two layers, one of which is transparent, the other is opaque. However when viewing the opaque object through the transparent one the opaque material has some ...
2
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0answers
443 views

Cycles bakes a transparent areas to black

With Cycles, rendering transparent texture is OK, but baking turns alpha to black color. In contrast, Blender Internal bakes alpha OK. What should I do with nodes in Cycles? Help plz. P.S. Maybe the ...
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0answers
323 views

Background Image - change default opacity value from 0.5 to 1 permanently?

When i add a background image then it is semi transparent. Hard to see. I need to change it to opaque by setting the corresponding slider to 1 instead of 0.5. And i have to repeat this step with every ...
2
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0answers
184 views

Glass issue, trasparent vs holdout shader

I have a problem with the transparency shader. I need to use it combined with the glossy one, mixing using a fresnel factor. Unfortunately I keep getting the same result...an annoying black area. ON ...
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0answers
59 views

Rendering fading in text object problem

I'm trying to make an intro video and stumbled upon the following problem. Ì have 4 text objects parented to a box. The box provides the moving animation and this works without fail. The text objects ...
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0answers
183 views

How can I access a texture's alpha from Blender Render's material nodes?

There is no alpha output in texture node (as in Cycles) and there is no "Separate RGBA" node.
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0answers
157 views

Matte Render from Alpha

An already rendered animation needs to have the background color-corrected. It will take too long to re-render the shot in full color. How do I turn the alpha channel of the combined layers (which are ...
2
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0answers
61 views

material not fading alpha smoothly in blender internal

I have animated the alpha value of a material. At one frame, the material is all dark, at the next´, it is as it should be. Here is the material in the two frames: I was hoping that you could give ...
2
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0answers
283 views

Cycles Integrating glass into live footage

I'm trying to integrate transparent objects rendered with cycles into live footage. The problem is that when compositing, even with alpha, the original grey sky is rendered through the glass instead ...
2
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0answers
319 views

How to see inner structure of an object in blender game engine?

My goal is to be able to look the inside structure of a complex object in blender game engine. For this, I am writing a python code that enables me to change the transparency of the object while ...
2
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0answers
432 views

How to game-render a mesh through/behind other?

I was making a character with a manga like style, and It got to show the meshes of eye balls, eyebrow and eyelashes through the hair, but not throug the face skin or ny other parts of the mesh. Making ...
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0answers
1k views

Transparent Plane Still Casts Shadow

In cycles render I have a RGBA movie of a man waving that I'm using as a texture on a plane. Using nodes, I can make the alpha channel transparent, but the plane is still casting its rectangular ...
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0answers
927 views

Transparent Plane that receives shadow and light emitted by object

I can make a plane to be transparent and only show the shadow of an object with the Shadow only option in the Shadow category of the material. That is useful for making 2D graphics with transparent ...
2
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1answer
501 views

Alpha channel and specular map together

I am trying to make this can label with some transparency around worn-out edges but I just cannot figure out how to add specular map to the texture at the same time. That fac slot is quite busy. Is ...
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1answer
31 views

Background doesn't render transparently despite checking Film-->Transparent; RGBA settings (cycles, v2.83)

I'm trying to render an object with a transparent background. As per the instructions I've found online, I have "Transparent" checked in Render Properties, RBGA/PNG selected in Output ...

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