Blender translucent vs transparent8/15/2023 ![]() ![]() The result is shown in Img. 1c, the texture applied to a plane rendered against a white world background. Image 1c: Result of applying the Greyscale Image to a plane Where the texture has a value in between 0 and 1 it will affect the Map To values partially.Where the texture has a value of 1 (e.g.black) it will affect the Map To values fully (because we have used inverse). Where the texture has a value of 0 (e.g.Image 1b: Material settings for the texture Turn on Spec inverse (you don't want your transparent sections to show specular highlights) ( Noob Note: As far as I could tell, the equivalent to doing this on blender 2.63 is to set a specific 'Intensity' value (located under Influence->Specular) to -1.).( Noob Note: On blender 2.63 you need to set a specific 'Alpha' value (the one located under 'influence->diffuse) to -1, as the alpha button referenced in this step no longer exists in 2.63.) We need inverse here, because the texture shall affect the material from its black parts. Turn on Alpha inverse, you have to click it twice.Turn off Col (or else the texture would also affect the color of the material). ![]() Activate ZTransp (or RayTransp if you need refraction).Set the Alpha value in the material buttons to 1.Load the image as Image texture, turn off Use Alpha.In Img. 1a the black areas shall become transparent, the white areas shall become opaque. Using a greyscale texture - white for opaque Image 1a: Greyscale Image of leaf There are more combinations possible, so it may be that you find tutorials with different settings. Alpha to 0 and DVar to 1, then the texture will increase the Alpha value.īoth methods are possible and equal in the result, but for clarity we will always use method number 1.Alpha to 1 and DVar to 0, then the texture will lower the Alpha value, or you can set.If Alpha is 0 and DVar is 0 than nothing will happen. The target value of Alpha that can be achieved with the texture is set with the DVar button in the Map To panel. If the basic Alpha value is 0 you can only increase it with a texture.If the basic Alpha value is 1 you can only lower it with a texture, because 1 is the maximum value anyway.Now you change that basic Alpha value with a texture. If Alpha is 1, the material is fully opaque, if Alpha is 0, the material is fully transparent. The Alpha value of the material is set with the A(lpha) slider in the Material panel. We will show how to set the opacity/transparency of a material with different types of textures. To understand the collaboration of textures and material we will use the opacity of a material - the alpha value - as an example. ![]()
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