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Waterloo Heightmap

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JakBB:
Hey, I'm planning a map for a voxel based game called "Minecraft" in wich i want to recreate the battlefield of Waterloo, I make maps for it with external programs like World Machine and World Painter, in this minecraft I can put a heightmap as input, so I looked on internet for some Waterloo heightmap, but I didn't found anything, I used the SRTM method but I'm not able to find the correct location, where i can cut the heightmap...
So I found on this forum this! http://www.histwar.org/forum/index.php?topic=5922.0
This was what I was looking for, it's awesome, but the problem is that the .bmp file has strange color transitions and give me this as result
So, I saw that a lot of people around here is doing exact the same thing, only in a different game (sorry that I use this forum for this purpouse, but it seems that a lot of nice peoples are using it).
So I ask you if someone has a Heightmap or something that i can open with microdem that shows me the elevations of the battlefield!

P.S If anyone is interested in the project he can help me with his historical knowledge by giving me the "seal of approval" if the world that I do is recognizable as Waterloo, or if you play Minecraft and are good at building you can help with the buildings!

DominiqueT:
Google Earth is a very good reference for heights, just beware of the parts of the battlefield that have been modified.

JakBB:
Yes, I used google earth, but with the SRTM plugin i could not recognize where I had to cut to obtain a precise heightmap of the battlefield!

Alfiere:
Hello

Yes, great Nix work.

For HW we can use Brucepos menual.
For map with satellite elevations you have to read a Brucepos Manual in the non official depot.
http://guggs.de/hwlg/
Then follow his explanations.
Anyway is not so easy make a satellite map.

You have to setting option in Google earth (decimal degree and distance in kilometers)
Find your location and take note of Latitude and longitude (left upper point and  bottom right point for you map)
I use this link to download the data.
http://srtm.csi.cgiar.org/
setting input coordinates,decimal degree and ArcInfoASCII.Then download the srtm data and follow Brucepos manual.

If you use for your program the color transistions of .bmp file of HW map ,sorry but i cannot help you.

Alfiere:
For a Waterloo map of 10km x 7.5km you need the srtm 37_02 file.

You can use
Left top point of map               latitude ->50.70469  long->4.33309 (decimal degrees)
Right bottom                                                50.63706  long ->4.47462
 
a pic of my waterloo map with these settings.
jpeg file for the forum, but no problem for a bmp file,only bigger, around 5 mega

Hello



                   

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