WILBUR: Part 2
Eroding the Region

Here you are back in Wilbur! Let's get this erosion over with so you can bring it all together in Photoshop. This portion only contains a before and after image. Focus on the settings and getting a feel for what each of them does to the terrain. If you run into trouble refer back to Wilbur Part 1 or the Wilbur tutorial on the Home Page.

File >> Open & navigate to your saved regional .mdr to load it

Before:


Important

As I mentioned in Wilbur pt. 1, I like to use my own colors for Wilbur so I'll load those up again.

Add Noise: Select all >> From Terrain >> Select All >> Filter >> Noise >> Percentage Noise >> 5
Fill Basins: Select >> Select All, Filter >> Fill >> Fill Basins >> Default
Select Flat Areas: Select >> From Terrain >> Flat Areas >> Default, Feather 0.5
Add Noise: Filter >> Noise >> Percentage Noise >> 10
Fill Basins: Select >> Select All, Filter >> Fill >> Fill Basins >> Default
Incise Flow: Select >> -500 to 2000, Feather 3, Filter >> Erosion >> Incise Flow >> 0.6 / 0.5 / 0.5 / 2 / 1 / 0
Incise Flow: Select >> 900 to 3000, Feather 3, Filter >> Erosion >> Incise Flow >> 0.5 / 0.6 / 0.6 / 1.5 / 0.7 / 0
Incise Flow: Select >> 2500 to 5000, Feather 3, Filter >> Erosion >> Incise Flow >> 0.2 / 0.5 / 0.8 / 0 / 0.1 / 0.2
Incise Flow: Select >> 4000 to 6000, Feather 3, Filter >> Erosion >> Incise Flow >> 0.6 / 0.6 / 0.5 / 3 / 3 / 0
Incise Flow: Select >> 6500 to 8300, Feather 3, Filter >> Erosion >> Incise Flow >> 1.5 / 0.6 / 0.7 / 1.5 / 1 / 0
Incise Flow: Select >> 7700 to Highest, Feather 3, Filter >> Erosion >> Incise Flow >> 2 / 0.5 / 0.9 / 0.7 / 0.4 / 0
Fill Basins: Select >> Select All, Filter >> Fill >> Fill Basins >> Default
Select Flat Areas: Select >> From Terrain >> Flat Areas >> Default, Select >> Feather 0.5
Add Noise: Filter >> Noise >> Percentage Noise >> 10
Fill Basins: Select >> Select All, Filter >> Fill >> Fill Basins >> Default

Some detailed highland erosion...
Incise Flow: 6000 to 10000, Feather 2, 1 / 0.4 / 0.9 / 0.6 / 0.5 / 0
Incise Flow: 4000 to 6500, Feather 3, .3 / 0.4 / 0.9 / 0.2 / 0.1 / 0

Lowland and sea floor details...
Precipitation Erosion: -4000 to Lowest, Feather 3, 0.25 & 2x
Add Noise: -2000 to Lowest, Feather 3, Filter >> Noise >> Percentage Noise >> 10
Fill Basins: -2000 to Lowest, Feather 3, Fill >> Fill Basins >> Default
Precipitation Erosion: -2000 to Lowest, Feather 3, 0.25 & 2x
Precipitation Erosion: -7500 to Lowest, Feather 1, 0.1 & 1x
Incise Flow: 0 to 3000, Feather 2, 0.3 / 0.4 / 0.6 / 0.2 / 0.1 / 0
Fill Basins: Load saved selection, Feather 1, Fill >> Fill Basins >> Default

Afte:
,

Output the following maps:

grayscale lighted (regional_white_shader)
grayscale slope shader (regional_slope)
Wilbur shader (regional_hypsometric)
sea mask (regional_Wilbur_mask)
river flow (regional_rivers_small, regional_rivers_medium, regional_rivers_large)

Generate 3 different River Flow maps. Similar to what you did in Wilbur part one except this time you want that additional River Flow map with more tributaries (see image below) which will add a bit of detail. Again, output all rivers as white on a black background and save them as .png textures. Name them something that will differentiate them from the planet rivers that you saved earlier, for example, beginning with "region_"

Example of desired river coverage for 3 .png files; "small", "medium" and "large"

save all images from Wilbur as .png textures:

Save your eroded regional file and close out of Wilbur.

Proceed to Photoshop >>

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