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I might have to rename it from "thatch" to "roof"...
sample hf:
house_hf.png
result (with shadow and ground added):
house.png
99% done now...
-Rob A>
My GIMP Scripts: Rotating Brush ~ Gradient from Image ~ Mosaic Tile Helper ~ Random Density Map ~ Subterranean Map Prettier ~ Tapered Stroke Path ~ Random Rotate Floating Layer ~ Batch Image to Pattern ~ Better Seamless Tiles ~ Tile Shuffle ~ Scale Pattern ~ Grid of Guides ~ Fractalize path ~ Label Points
My Maps: Finished Maps ~ Challenge Entries ~ My Portfolio: www.cartocopia.com
4 applications (n,s,e,w) of photoshop "render lighting"
It seems to me, without having tried it, that the directional masks might be generated more easily from the height map with 4 applications (n,s,e,w) of photoshop's standard "render lighting" filter.
Feel free to Fred Picker Stamp me ...
This is all a very clever idea with great results. Cheers!
Venus Public Transit, Map Of Ceres, Jack Vance's Ports Of Call & Lurulu ... why do I only have 3 maps here?
If I had photoshop, I might try itOriginally Posted by töff
It seems to me, without having tried it, that the directional masks might be generated more easily from the height map with 4 applications (n,s,e,w) of photoshop's standard "render lighting" filter.
Feel free to Fred Picker Stamp me ...
This is all a very clever idea with great results. Cheers!
I've actually come up with a much better way than the curves I was playing with.
I illuminate (emboss) three copies of the heightfield at 0, 120 and 240 degrees.
These get combines as RGB layers into a new image.
That RGB image gets converted into a HSV image and the H layer is grabbed out. This layer represents the direction (without magnitude) of the heightfield as a value from 0 to 255. I then posterize that layer into the number of faces desired, and select each colour sequentially, using that as a mask for rotated copies of the pattern.
It takes a while to run, especially for large images, but I like the results.
And it lets you (if desired) use up to 16 faces when generating the result:
thatch_16.png
I think I worked out the last couple of bugs on the weekend, so I will post it up, hopefully tomorrow.
-Rob A>
My GIMP Scripts: Rotating Brush ~ Gradient from Image ~ Mosaic Tile Helper ~ Random Density Map ~ Subterranean Map Prettier ~ Tapered Stroke Path ~ Random Rotate Floating Layer ~ Batch Image to Pattern ~ Better Seamless Tiles ~ Tile Shuffle ~ Scale Pattern ~ Grid of Guides ~ Fractalize path ~ Label Points
My Maps: Finished Maps ~ Challenge Entries ~ My Portfolio: www.cartocopia.com
Oh RobA, I'd really like to know how you did that heightfield.
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Manually.
I had snap to guides and used the pen tool to outline each of the shapes then filled them with B/W gradients.
For the two dormers, I also did the same then with those areas selected used the levels control to brighten them up to match the roof lines.
-Rob A>
My GIMP Scripts: Rotating Brush ~ Gradient from Image ~ Mosaic Tile Helper ~ Random Density Map ~ Subterranean Map Prettier ~ Tapered Stroke Path ~ Random Rotate Floating Layer ~ Batch Image to Pattern ~ Better Seamless Tiles ~ Tile Shuffle ~ Scale Pattern ~ Grid of Guides ~ Fractalize path ~ Label Points
My Maps: Finished Maps ~ Challenge Entries ~ My Portfolio: www.cartocopia.com
Did you actualy post this script I must have missed it
I use my own tools so my scripts are custom jobs. RobA tho took the idea and ported it successfully to Gimp and that was posted here:
http://www.cartographersguild.com/showthread.php?t=4293
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