View Poll Results: Was this tutorial helpful?

Voters
60. You may not vote on this poll
  • Yes

    46 76.67%
  • No

    6 10.00%
  • No because I don't use GIMP

    8 13.33%
Page 1 of 3 123 LastLast
Results 1 to 10 of 34

Thread: Making Mountains in GIMP

Hybrid View

  1. #1
    Administrator RobA's Avatar
    Join Date
    Apr 2007
    Location
    Niagara, Canada
    Posts
    5,567

    Post Making Mountains in GIMP

    I saw this post by Jurgen (at EN World) on making mountains in GIMP and figured I share a technique I worked out.

    Hope the images all end up in the right order...

    1. Make a shaky selection around the whole mountain. Keep the outline really ragged, not smooth:
    2. Set colours for the base and peak of the mountain. fill the selection with a shaped angular gradient:
    3. Duplicate that layer as a new layer and greyscale it:
    4. Now stretch the contrast from black to white:
    5. Apply a gaussian blur:
    6. then apply a Filters->Noise->Spread to break it up:
    7. Hide the B&W layer, and apply it as a bump map to the original coloured one:
    8. Using a grungy brush and the colour of the mountain base, paint around the mountain (using the "below" brush setting)


    9. and 10. Using Jurgen's grass and desert textures as backgrounds.

    That's it... Hope it was helpful!

    -Rob A>
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	mosaic.png 
Views:	530 
Size:	837.1 KB 
ID:	23131  
    Last edited by RobA; 03-22-2010 at 03:42 PM.

  2. #2

    Post

    Very nice effect! I think I'll use this in the future...

  3. #3
    Professional Artist keithcurtis's Avatar
    Join Date
    May 2007
    Location
    Port Angeles, WA
    Posts
    56

    Post

    I'm sorry, I had to vote no. I've seen similar techniques used on many different maps and none of them look convincing. That is, they don't seem to match real-world mountain forms. I'd like to use this technique, and have experimented with a lot of variations on it, but never been satisfied.

  4. #4
    Administrator RobA's Avatar
    Join Date
    Apr 2007
    Location
    Niagara, Canada
    Posts
    5,567

    Post

    Quote Originally Posted by keithcurtis
    I'm sorry, I had to vote no. I've seen similar techniques used on many different maps and none of them look convincing. That is, they don't seem to match real-world mountain forms. I'd like to use this technique, and have experimented with a lot of variations on it, but never been satisfied.
    I agree it is not realistic. I present it as a cross between purely symbolic and aerial-photo realistic. Any primers or pointers to "the idiots guide to mountain shapes"? (hehe)

    Though I must say, one could probably find a mountain anywhere in the world to match the most unlikely, unrealistic, un-mountainish shapes......

    http://maps.google.com/maps?f=q&hl=e...09978&t=h&om=1

    -Rob A>

  5. #5
    Guild Member heruca's Avatar
    Join Date
    Nov 2006
    Location
    Buenos Aires, Argentina
    Posts
    64

    Post

    Cool link, RobA.
    Looking for cross-platform virtual tabletop software that can be used with any RPG system?
    http://www.battlegroundsgames.com/

  6. #6
    Community Leader RPMiller's Avatar
    Join Date
    Apr 2006
    Location
    Watching you from in here
    Posts
    3,233

    Post

    That's crazy! Is that a natural occurring formation?
    Bill Stickers is innocent! It isn't Bill's fault that he was hanging out in the wrong place.

    Please make an effort to tag all threads. This will greatly enhance the usability of the forums.


    Find me on Google+

  7. #7
    Administrator RobA's Avatar
    Join Date
    Apr 2007
    Location
    Niagara, Canada
    Posts
    5,567

    Default

    Sorry for the crosspost.

    I made a video tutorial (as they are all the rage) of this thread as it was recently resurrected. It creeped to almost 12 minutes (I tend to babble).

    I recorded the screen in 1024x768 and scaled the video to 640x480 off line.

    It is currently hosted at showmedo at 640x480 (though I think will host up to 800x600:
    http://showmedo.com/videos/video?nam...omSeriesID=262

    -Rob A>

  8. #8

    Post

    Excellent tutorial! Thanks!

  9. #9
    Guild Novice
    Join Date
    Mar 2008
    Location
    South Shields; Tyne & Wear; UK:
    Posts
    11

    Post

    Sorry, but I voted no - not because I couldn't find it of use, but becasue there were no explanations to the steps. It'd be good if you knew what was going on, but to a GIMP noob - sorry I couldn't follow it all,

    Take Care,

    Norm



    Rob,

    Three things Amigo,

    Firstly - it's good to another Cardinal Fang Devotee

    Secondly - Excellent tutorial, simple and easy to follow, I will be using this in future

    Finally - This process, and all the others I have seem seem to produce a mountain range with the peaks in the middle, which is good enough. But what about escarpment ranges - where for example one tectonic plate, or similar, subducts another, raising the top plate gradually on one side with a steep fall-off on the other where the subdudtion occurs. The prime examples I can think of for this are the Rockies and Andes.

    Basically - what I'm asking is how can we reproduce a non central range of peaks within a range? I'm not explaining this too well am I

    Take Care

    Norm
    Last edited by Normski; 05-18-2008 at 03:37 PM.

  10. #10
    Administrator RobA's Avatar
    Join Date
    Apr 2007
    Location
    Niagara, Canada
    Posts
    5,567

    Post

    Normski-

    That type of range is even simpler. Just add some noise to a simple linear gradient, then play with the levels and curves.

    Here is a simple escarpment heightfield on an oval:
    Click image for larger version. 

Name:	testing.png 
Views:	46 
Size:	107.3 KB 
ID:	3729

    And here is a quick render in POV:
    Click image for larger version. 

Name:	hf1.png 
Views:	65 
Size:	103.8 KB 
ID:	3730

    From above (gimp alone):
    Click image for larger version. 

Name:	testing_above.png 
Views:	48 
Size:	306.4 KB 
ID:	3731

    -Rob A>

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •