Make a openttd Heightmap?

RMJ · Post by **RMJ** » 06 Aug 2006 13:11

Hey im trying to make a heightmap. So far i have gotten to this image. Thats work somewhat. But i wanted to hear how i get it better?..

RMJ · Post by **RMJ** » 06 Aug 2006 13:34

Its because it needs to be more flat. There are way to many hills..

Bjarni · Post by **Bjarni** » 06 Aug 2006 13:54

this image sucks as a heightmap. The shorelines are pretty wrong in many places

How did you manage to get such a crap image?

neonx · Post by **neonx** » 06 Aug 2006 14:06

RMJ wrote:Its because it needs to be more flat. There are way to many hills..

In Denmark?

Bjarni · Post by **Bjarni** » 06 Aug 2006 14:08

ok, found the issue (well, I didn't but Rubidium did)

<Rubidium> the order of the colors for the heightmap in the palette is wrong
<Bjarni> ok, then what should it be?
<Bjarni> is it documented anywhere?
<Rubidium> not really. But either a grayscale image 0..255, where 0..15 is becomes sealevel, 16..31 level 1 etc.
<Rubidium> or paletted image with 16 colors where the order of the palette heightlevel, i.e. the color at palette position 0 is level 0, position 1 level 1 etc

it still wont be possible to use that heightmap to generate a map, that copies the real world, as it's clear that it's messed up somehow. You can make a fictional map based on the idea of reality though. The game will not know the difference

RMJ · Post by **RMJ** » 06 Aug 2006 14:09

Nah Denmark is almost 100% flat

very tiny hills..

here at better image

richk67 · Post by **richk67** » 06 Aug 2006 15:53

Try these two heightmaps - sorry I dont have better resolution data. One is at heights of 50m, the other at 100m intervals. As Denmark is so flat, the 100m version shows very little detail, however Norway's mountains retain their detail.

The 50m plot shows more detail in Denmark, but Norway loses out.

I use the GeoDAS Global 2 minute plot, so my data isnt that accurate for small areas. Its great for continents, but any area less than about 1000mi across is not particularly well detailed.

Also please remember this is HEIGHT map data... any area that is below sea level will appear as sea in OTTD. (Hence my Europe maps put Holland under water

)

Bjarni · Post by **Bjarni** » 06 Aug 2006 16:36

even the 50m map got too little detail to make this look right. Looking at where the real railroads got problems with grades, they appear to be the same colour everywhere, hence flat. To make this right, you need a map with a scale, that puts 200m at the highest point to avoid an all flat map. The question is how to get such a map.

klogg · Post by **klogg** » 06 Aug 2006 18:25

Maybe take a photo of you preferred country.

I could take one of germany...

klogg

PS: Don't throw stuff at me.

Luxor · Post by **Luxor** » 26 Aug 2006 19:56

I'm trying to get some pics, but don't know how to "adapt" them. Look the satelital pics here: https://zulu.ssc.nasa.gov/mrsid/mrsid.pl (for download images you must enable pop-ups for the site)

Luxor · Post by **Luxor** » 26 Aug 2006 22:22

Is that the max height of the maps? Cause i'm loading this image and genereta a table at top height in the "andes" mountain side...

richk67 · Post by **richk67** » 26 Aug 2006 22:32

Luxor wrote:Is that the max height of the maps? Cause i'm loading this image and genereta a table at top height in the "andes" mountain side...

That is a satellite photo, not a heightmap. A heightmap shows the height of the train coded in shades of grey from black (sea) - to white (mountain tops).

MGSteve · Post by **MGSteve** » 27 Aug 2006 12:02

As attached - high res heightmap of Denmark (1700x1700).

Its probably more 'hilly' in the map than in real life, but I had to alter the range of the greyscale mapping to ensure that it got the shoreline correct.

I guess its about time I wrote a 'how to' for generating these maps!

MGSteve · Post by **MGSteve** » 27 Aug 2006 19:26

MGSteve wrote:I guess its about time I wrote a 'how to' for generating these maps!

Well, I have! - Check it out! http://www.tt-forums.net/viewtopic.php?t=27052

Mcpace · Post by **Mcpace** » 05 Nov 2007 12:48

As the most famous Danish fjord was missing from the heightmap, I manually edited the map to include this. I know it's not precise, but you gotta know Denmark pretty well, to tell the difference

Oh yeah, and most importantly, I removed Sweden

Miw68 · Post by **Miw68** » 06 Nov 2007 21:27

And for those who wants southern sweden back to Denmark (where it belongs

) thank heaven for pretty "blond" girls
btw it fits for 2048*2048 scen.

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Make a openttd Heightmap?

Make a openttd Heightmap?

Can we use this images?

not more than 500 mts?

Re: not more than 500 mts?

Give this one a try :)

Re: Give this one a try :)

Re: Make a openttd Heightmap?

Re: Make a openttd Heightmap?

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