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14 views
Moody render with {rayrender} with #Backrooms palette
* gyroid: sin(x).cos(y) + sin(y).cos(z) + sin(z).cos(x)
* isosurface at level = 0
* meshed via surface nets
* render with {rayrender}
#RStats
10 views
A demonstration on how normals can influence the look of a rendered model
1. Face normals only
2. Vertex normals calculated as the area-weighted mean of the face normals
3. Vertex normals calculateed via finite differencing on the signed-distance field
#RStats
10 views
Beauty is in the eye of the isosurface extraction algorithm.
#RStats
8 views
Moody render with {rayrender}
Signed distance field -> converted to a mesh -> rayrender
#RStats
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🔥 Top post: Moody render with {rayrender} with #Backrooms palette * gyroid: · 14 likes + reposts
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Moody render with {rayrender} with #Backrooms palette
* gyroid: sin(x).cos(y) + sin(y).cos(z) + sin(z).cos(x)
* isosurface at level = 0
* meshed via surface nets
* render with {rayrender}
#RStats
Moody render with {rayrender}
Signed distance field -> converted to a mesh -> rayrender
#RStats
A demonstration on how normals can influence the look of a rendered model
1. Face normals only
2. Vertex normals calculated as the area-weighted mean of the face normals
3. Vertex normals calculateed via finite differencing on the signed-d…
Good normals!
Can now calculate normals via:
1. averaging of face normals
2. using finite differences on the signed-distance field (SDF)
If you have a SDF, it's always better to use that for calculating normal - much nicer results.
@mdsum…
Bad normals #3
#RStats
Bad normals #2
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When normals go bad!
#RStats
The generated isosurface is the zero level of this function:
#RStats
▶
#RStats knotty isosurface - testing my isosurface extractor (including normals)
#RStats Isosurface experiments - before and after normal calculation.
Since my input is a signed distance field (SDF) I am using the tetrahedral finite differencing technique to calculate the normal at each vertex. See: https://iquilezles…
#RStats #ggplot2 challenge time!
A triangle renderer which interpolates vertex normals and colour
Beauty is in the eye of the isosurface extraction algorithm.
#RStats
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