How do I create an Object-Space normal map from a height map?

I'm able to convert my existing height-map into a normal map by sampling the surrounding pixels, like in this question Generating a normal map from a height map? except I'm doing it on CPU. I have a

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Why Tangent-space normal map is suitable for deforming or animating meshes?

As one of the advantages of Tangent-space normal map (besides few other) is that using Tangent-space NM, normals of animated or deforming mesh can be accurately calculated which cannot be done using

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Normal map from height map artifact

I'm baking normal map on the fragment shader from a height map. The height map looks great and looks smooth. However, when I generate the normal map I get very weird result. Here are two rendered ...

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Normal map from height map

I am trying to create a normal map from a height map in HLSL. I followed this https://stackoverflow.com/a/5284527/451136 which is for GLSL. Here is how I translated GLSL to HLSL: GLSL: uniform

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What is the purpose of a height map when you already have a normal map?

In 3D graphics, many textures have normal- and height maps to create an illusion of 3D features on a flat surface. Looking at the implementation of height maps, I see that it basically just affects...

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Generating a normal map from a height map in compute shader?

The problem is that when I tried converting height map to normal map. The results are wrong. For some reason there is 3 light sources that is emitting from top (green), right (red), and left (blue)...

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OpenGL: Which shaders for normal map (bump map)?

I could not find a way to generate a normal/bump map in PyOpenGL. Specifically I want a map which I can read with glReadPixels(). I do not know how to get a map of the form: (width, height, normal...

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convert a normal map to height map with imagemagick: how to recreate/integrate following algorithm

I'm trying to convert a tangent space normal map to a height/displacement map. For sure this will be not 100% accurate speaking in terms of "exact height" for each pixel. But the relative height from

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How to switch back from ImageMapType to normal map

I am not sure how to switch back from ImageMapType to normal map. The problem is described in code as followings (pseudo code): var myMap; var curLabLocation = new google.maps.LatLng(36.41...

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Generating a normal map from a height map?

I'm working on procedurally generating patches of dirt using randomized fractals for a video game. I've already generated a height map using the midpoint displacement algorithm and saved it to a te...

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