Satellite Style Photoshop Terrain - Part 1

[kalvinlyle]

Felseth
This tutorial is a response by some to see the techniques I used in the Felseth map turned into a tutorial. I've spent some time in that file trying to figure out which layers and effects mattered and reduced it to just a few. I hope that you get the same results as I do when you attempt these steps to build a pseudo realistic terrain.

Source Tutorials
Firstly I'd like to point out that I didn't come up with these techniques in a vacuum. I ripped them off from these guys (possibly some others, but mainly these three). They deserve all the credit:
http://www.cartographersguild.com/co...e-in-Photoshop
http://oldguygaming.com/adding-reali...lines-to-a-map
http://www.photoshoproadmap.com/Phot...-in-photoshop/

Height Map

Example005.jpg

I've found the following steps consistently create a nice looking height map:

1. File > New...
   
   • Width: 10 inches
   • Height: 7 inches
   • Resolution: 300 pixels/inch
   • Color Mode: RGB Color / 8bit
   • Background Contents: White
2. Edit > Fill...
   
   • Use: 50% Gray
   • Mode: Normal
   • Opacity: 100%
3. Layer > Duplicate Layer...
4. Filter > Render > Difference Clouds
5. Set the layer style to Overlay and Opacity to 25%
6. Layer > New > Layer...
   
   • Mode: Overlay
   • Opacity: 25%
7. Choose the Gradient Tool from the tool bar
8. Set the gradient pattern to black and white
9. Pick the Radial Gradient option
   
   • Mode: Difference
10. Click and drag randomly around the layer creating patterns
11. Layer > New> Layer...
    
    • Mode: Overlay
    • Opacity: 100%
12. Click and drag randomly around the layer creating patterns
13. Filter > Render > Difference Clouds
14. Layer > New > Layer...
    
    • Mode: Overlay
    • Opacity: 100%
15. Click and drag randomly around the layer creating patterns
16. Select all of those layers and right click > Convert to smart Object
17. Rename this layer to 'Height Map'
18. Save your file

Creating the Shore Line

Example006.jpg

1. Layer > New Adjustment Layer > Levels
   
   • Set the Input Levels to 59 and 61
   • Adjust them both up or down to reduce or increase the amount of land to water you want (white will be land, black will be water).
2. Layer > New > Layer...
3. Rename this Layer to 'Shore Line'
4. Select > Color Range...
5. Select: Highlights
6. Edit > Fill...
   
   • Use: White
7. Delete the Levels Adjustment Layer
8. Layer > Duplicate Layer...
9. Rename this Layer to 'Land Mass'
10. Layer > Group Layers...
11. Rename the group to 'Land'
12. Select the bottom three layers
13. Layer > Group Layers...
14. Rename the group to 'Ocean'
15. Save your file

Creating the Ocean

1. Select the layer named 'Shore Line' in the 'Ocean' group
2. Layer > Layer Style > Outer Glow...
   
   • Blend Mode: Color Dodge
   • Opacity: 100%
   • Set the colour to white
   • Technique: Precise
   • Size: 2px
3. CRTL + Left Click the 'Shore Line' layer if the shore line is not currently selected
4. Layer > New > Layer...
   
   • Opacity: 50%
5. Select > Modify > Expand...
   
   • Expand By: 25 pixels
6. Select > Inverse
7. Edit > Fill...
   
   • Use: Black
8. Layer > Layer Style > Outer Glow...
   
   • Blend Mode: Normal
   • Opacity: 100%
   • Set the colour to black
   • Technique: Precise
   • Size: 20px
9. Select > Inverse
10. Layer > New > Layer...
    
    • Opacity: 50%
11. Select > Modify > Expand...
    
    • Expand By: 50 pixels
12. Select > Inverse
13. Edit > Fill...
    
    • Use: Black
14. Layer > Layer Style > Outer Glow...
    
    • Blend Mode: Normal
    • Opacity: 100%
    • Set the colour to black
    • Technique: Precise
    • Size: 50px
15. Select > Inverse
16. Layer > New > Layer...
    
    • Opacity: 50%
17. Select > Modify > Expand...
    
    • Expand By: 50 pixels
18. Select > Inverse
19. Edit > Fill...
    
    • Use: Black
20. Layer > Layer Style > Outer Glow...
    
    • Blend Mode: Normal
    • Opacity: 100%
    • Set the colour to black
    • Technique: Precise
    • Size: 20px
21. Select the shape tool from the tool bar (U)
22. Draw a shape of any size
23. Right Click the vector mask for the newly created layer and choose 'Disable Vector Mask'
24. Double Click the layer and set the colour to RGB value: 26, 40, 87
25. Set the layer Opacity to 50%
26. Save your file

Setting the Land Colour

Example010.jpg

1. Select the Layer called 'Height Map'
2. Layer > Duplicate Layer...
3. Move the new layer the 'Land' group above the 'Land Mass' layer
4. Hold down ALT and left click along the bottom of the 'Height Map copy' layer
5. Layer > New Adjustment Layer > Gradient Map...
   
   • The exact positions of the gradient colours will depend on the gray scale values of your height map
   • The five colours of the Gradient Map from Left to Right are:
     
     • RGB: 199, 184, 157 (Sand)
     • RGB: 133, 150, 101 (Grass)
     • RGB: 84, 99, 42 (Forest)
     • RGB: 117, 100, 93 (Hills)
     • RGB: 157, 144, 118 (Peaks)
6. Hold down ALT and left click along the bottom of the Gradient Map layer
7. Save your file

Relief Map Detail

Example012.jpg

1. Select the 'Height Map' Layer
2. Select > All
3. Edit > Copy
4. Switch to the Channels window
5. Press the Create New Channel button to create a Alpha channel layer
6. Edit > Paste...
7. Switch back to the Layers window
8. Select the 'Gradient Map' layer
9. Layer > New > Layer...
10. Edit > Fill...
    
    • Use: 50% Gray
11. Filter > Render > Lighting Effects
    
    • Light type: Directional
    • Intensity: 21
    • Gloss: 0
    • Material: 71
    • Exposure: 0
    • Ambience: 0
    • Texture Channel: Alpha 1
    • Height: 100
12. Change the layer Style to Overlay
13. Rename the layer to 'Hills'
14. Save your file

Colour Adjustment Layers

Example013.jpg

1. Close and select the 'Land' group
2. Choose the Shape tool (U)
3. Click and drag anywhere on the image to create a shape (this should be above the 'Land' group)
4. Right click the shape vector mask and choose 'Disable Vector Mask'
5. Double click the layer and set the layer colour to RGB: 242, 231, 209
6. Set the layer style to Multiply
7. Layer > New Adjustment Layer > Hue/Saturation
   
   • Hue: -14
   • Saturation: -20
   • Lightness: +6
8. Save your file

This is just the base for a map. From here you will need to add trees, roads, rivers and other details.

If you find anything that's hard to follow let me know and I'll clean it up as best I can.

[Javen]

I haven't tried these out, but I'm really impressed at how well you overcame the problems with self-made DEMs. I would have never thought of using this technique to make them look more weathered and realistic, but now that I've seen it, I'll be trying it as soon as I can. I just hope that adapting them to a more rigid and defined region of mountains works well (unless I'm mistaken you did both this and your actual map from scratch), but either way having DEMs that already look good and aren't messed up by countless alterations. will be awesome.

Bravo, and have some rep. Can't wait to see part two.

[ravells]

This looks great kalvin! I especially like the heightmap creation process. I haven't tried to tutorial yet, but how much control does one have in deciding where to put mountains and what shape you want the coastlines to be? It's interesting that the creation of the coastlines comes after the creation of the heightmap (I assume because the heighmap tells you what is high and low?). The topography looks yummy!

[Steel General]

Very cool and informative, I dub thee newly repped! *BONK*

[kalvinlyle]

I ran through the tutorial again on my own to see if there were any problems.

Test.jpg

[Javen]

Hmm...I wonder if there is any way of making more realistic continental shelfs? Because the oceans lack the natural continental shelfs one would expect. I suppose if someone wanted serious realism they'd just either take an existing DEM's continental shelf or manually edit in one.

Kalvinlyle...any word on how much control you have over mountain placement? You must have some since you did that Felseth one...but I wonder how much.

[su_liam]

I prefer more human input than just patting about trying to simulate the random . That said, I really like the noise this produces. Lots of crowd-pleasing swirlies!

It would be interesting to see how well this kind of noise would incorporate into something like the Burpwallow Method for noise editing.

For continental shelves, you could try importing the HF into Wibur and applying an exponent filter or remap altitudes. I'd think that would work as well for this kind of noise as any.

I also have to say this is a very attractive hypsometric gradient. It even looks good without the hillshade.

[kalvinlyle]

I've updated the tutorial and posted it here

I've added:

1. Editable Land Masses
2. Continental Shelves

When I have more time I'll convert it to a PDF and update the first post. The limitation of 10,000 characters and the exclusion of HTML in posts makes it a bit difficult to maintain tutorials here. Anyone have any suggstions?

[JediKnight83]

I've updated the tutorial and posted it here

I've added:

1. Editable Land Masses
2. Continental Shelves

When I have more time I'll convert it to a PDF and update the first post. The limitation of 10,000 characters and the exclusion of HTML in posts makes it a bit difficult to maintain tutorials here. Anyone have any suggstions?

I tried going to the link, but it did not show up. But so far I really like the tut.

[hohum]

Very cool!