Only blue maps

[langauchat]

Hello

Why all Earth' textures downloaded from JESTR's FTP site
display on my PC ( Celestia 1.3.1 and W98) only blue painted maps with some darker blobs
IrfanView and Paint Shop Pro display theses .jpg files producing blue painted maps too with some darker blobs too.
Do I miss something?

Thanks

I apologize for my poor english.

[maxim]

Probably you have downloaded only the the Normal-Maps?

maxim

[langochat]

Thank you for your reply.

But what do you mean.
How do we have to use theses VT maps?

Here is my .ssc

AltSurface "jen2 jpg" "Sol/Earth"
{
Texture "jen2 jpg.ctx"
}

and my .ctx

VirtualTexture
{
ImageDirectory "jen2 jpg"
BaseSplit 0
TileSize 512
TileType "jpg"
}

I can see only blue with some tiny blobs corresponding to edge of world (America, Europe, ...)

Thank you

[maxim]

Nothing about your .ssc, but a full textures set consists of four layers:

surface texture (i.e. Blue Marble)
normals map (for shadows) (optional)
specular map (for reflection) (optional)
cloud layer (the cloud around the planet) (optional)

Seems that you only have the normals map tiles.

maxim

[langauchat]

Thank you.
I realize how I missed a lot of things about textures.

But I don't know which document I must read to manage the differents layers in order to display a map. I read "Creating Textures for Celestia" but there is not much about this topic.

[maxim]

I've forgot to mention Night-Textures which is another possible layer.
Your code should look about like this:

Code: Select all

{
        .
        .
        .
   Texture "BlueMarble DDS.ctx"
        NormalMap "EarthNormal.ctx"
   NightTexture "earthnight.ctx"
   SpecularTexture "earthspec32k.ctx"
        .
        .
        .
   Atmosphere {
                .
                .
                .
      CloudMap "earth-clouds.*"
   }
}


The only neccessary one is 'Texture'. Others are optional.
If you want to get more information you might take a look into seldens celestia pages. There are a lot of explanations there.

maxim