Static Texture 3D is a component that represents a bunch of textures stacked on top of each other to make a 3D grid of pixel values. These textures can be displayed in 3D, or sampled via 3D positions in a few different components or in [[ProtoFlux]] Nodes.
Static Texture 3D is a component that represents a bunch of textures stacked on top of each other to make a 3D grid of pixel values. These textures can be displayed in 3D, or sampled via 3D positions in a few different components or in [[ProtoFlux]] Nodes.
The texture represented by this component can be generated using a stack of textures imported via batch importing images with the 3D texture option. The 3D texture will have filled color data for all pixels if all the images are the same pixel size on the x and y axies. If the size varies, the color is instead replaced with black pixels for the missing areas, with the largest image setting the X and Y size of the resulting 3D image.
This is commonly constructed via 2D slices which are [[Component:StaticTexture2D|Static Texture 2Ds]]. These slices represent XY planes of incremental Z coordinates ranging from 0 to 1. This can either be packed into a single 2D image, or imported as multiple 2D images in a folder where each slice is alphabetically organized.
The resulting 3D image is all the images stacked on top of each other, with the X and Y axies representing the X and Y coordinates of the original images, and the Z representing an index of the original set of images. For example, reading from 0,0,0 will get position (0,0) pixel of the first image (0) in the stack used to make the texture.
Currently the maximum packed 2D image that the importer detects as a valid 3D texture is 1024x32. In this orientation there are 32 total cells arranged as 32x32 pixel sub images.
[[File:LUT_BaseLinear.png|center|alt=Linear 3D Texture|Linear 3D Texture|thumb|800x800px]]
* The '''X''' or '''Red''' channel increases constantly from 0 to 1 from left to right within each cell and repeats.
[[File:LUT_BaseLinear_RED.png|center|alt=Linear 3D Texture Red Channel|Linear 3D Texture Red channel|thumb|800x800px]]
* The '''Y''' or '''Green''' channel linearly increases from the top to bottom.
[[File:LUT_BaseLinear_GREEN.png|center|alt=Linear 3D Texture Green Channel|Linear 3D Texture Green channel|thumb|800x800px]]
* The '''Z''' or '''Blue''' channel increases step wise within each cell itself, the first cell being all 0, and the last cell is all 1.
[[File:LUT_BaseLinear_BLUE.png|center|alt=Linear 3D Texture Blue Channel|Linear 3D Texture Blue channel|thumb|800x800px]]
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Revision as of 18:48, 23 October 2024
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Static Texture 3D is a component that represents a bunch of textures stacked on top of each other to make a 3D grid of pixel values. These textures can be displayed in 3D, or sampled via 3D positions in a few different components or in ProtoFlux Nodes.
This is commonly constructed via 2D slices which are Static Texture 2Ds. These slices represent XY planes of incremental Z coordinates ranging from 0 to 1. This can either be packed into a single 2D image, or imported as multiple 2D images in a folder where each slice is alphabetically organized.
Currently the maximum packed 2D image that the importer detects as a valid 3D texture is 1024x32. In this orientation there are 32 total cells arranged as 32x32 pixel sub images.
Linear 3D Texture
The X or Red channel increases constantly from 0 to 1 from left to right within each cell and repeats.
Linear 3D Texture Red channel
The Y or Green channel linearly increases from the top to bottom.
Linear 3D Texture Green channel
The Z or Blue channel increases step wise within each cell itself, the first cell being all 0, and the last cell is all 1.
