Graphics

dgpdgp wrote:

I am writing a game and planning to use DTED files for terrain generation.There is an example(http://www.geocities.com/oldjajubear/dtedview.zip) for viewing in 2D. I just need the help of this forum in using DTED+OpenGL to modify this code
to disaply DTED in 3D.

VizCoder wrote:

to use transparency.

VizCoder wrote:

which shows what i am getting when i use the blend functions.

El Corazon wrote:

are you blending these via vertex coloring or via alpha textures?

 public static int BitsFromPixelFormat(PixelFormat pixelFormat)<br />
        {<br />
            switch (pixelFormat)<br />
            {<br />
                case PixelFormat.Format1bppIndexed:<br />
                    return 1;<br />
                case PixelFormat.Format4bppIndexed:<br />
                    return 4;<br />
                case PixelFormat.Format8bppIndexed:<br />
                    return 8;<br />
... etc.

rgbArray[i].rgbRed  = bmp.Palette.Entries[i].R;<br />
                rgbArray[i].rgbGreen= bmp.Palette.Entries[i].G;<br />
                rgbArray[i].rgbBlue = bmp.Palette.Entries[i].B;

public static RGBQUAD[] RGBQUADFromColorArray(Bitmap bmp)
{
   // Some programs as Axialis have problems with a reduced palette, so lets create a full palette
   int bits = Tools.BitsFromPixelFormat(bmp.PixelFormat);
 
   if (bits <= 8)
   {
      RGBQUAD[] rgbArray = new RGBQUAD[1 << bits];
 
      ColorPalette ^palette = bmp.Palette;
      array<Color>^palcolors = palette->Entries;
      for(int i=0; i < palcolors->Length; i++)
      {
         rgbArray[i].rgbRed = palcolors[i].R;
         rgbArray[i].rgbGreen= palcolors[i].G;
         rgbArray[i].rgbBlue = palcolors[i].B;
      }
 
      return rgbArray;
   }
 
   return 0;
}