public void CreateAltitudeMap(double minToleranceValue, double maxToleranceValue, COLORCODE colorcode)
{
try
{
BuildHeightArray();
// Calculate the function's value over the area.
int xwidth = heightArr.GetUpperBound(0) + 1;
int zwidth = heightArr.GetUpperBound(1) + 1;
double dx = (XIndexMax - XIndexMin) / xwidth;
double dz = (ZIndexMax - ZIndexMin) / zwidth;
// Get the upper and lower bounds on the values.
SetColors();
// Make the BitmapPixelMaker.
BitmapPixelMaker bm_texture_maker = new BitmapPixelMaker(xwidth, zwidth);
var bm_solid_maker = new BitmapPixelMaker(xwidth, zwidth);
// Set the pixel colors.
for (int ix = 0; ix < xwidth; ix++)
{
for (int iz = 0; iz < zwidth; iz++)
{
System.Drawing.Color color = System.Drawing.Color.FromArgb(100, 100, 100);
var cc = new ColorCoder(colorcode);
switch (colorcode)
{
case COLORCODE.GREEN_RED:
cc.SetValues(minToleranceValue, maxToleranceValue);
break;
case COLORCODE.MONO:
break;
case COLORCODE.RAINBOW:
default:
cc.SetValues(ScaledMinValue, ScaledMaxValue);
break;
}
color = cc.MapColor(heightArr[ix, iz]);
bm_texture_maker.SetPixel(ix, iz, color);
}
}
// Convert the BitmapPixelMaker into a WriteableBitmap.
AltitudeMap = bm_texture_maker.MakeBitmap(96, 96);
}
catch (Exception)
{
throw;
}
}
protected void SetColors()
{
try
{
var get_values =
from double value in heightArr
select value;
ScaledMinValue = get_values.Min();
ScaledMaxValue = get_values.Max();
double unscaledMaxValue = ScaledMaxValue / scalingFactor;
double unscaledMinValue = ScaledMinValue / scalingFactor;
var cc = new ColorCoder(COLORCODE.RAINBOW);
cc.SetValues(unscaledMinValue, unscaledMaxValue);
BlueValue = cc.GetBlueValue();
AquaValue = cc.GetAquaValue();
GreenValue = cc.GetGreenValue();
YellowValue = cc.GetYellowValue();
RedValue = cc.GetRedValue();
}
catch (Exception)
{
throw;
}
}
// Create the altitude map texture bitmap.
private void CreateAltitudeMap(double[,] values, double maxToleranceValue, COLORCODE colorcode)
{
try
{
// Calculate the function's value over the area.
int xwidth = values.GetUpperBound(0) + 1;
int zwidth = values.GetUpperBound(1) + 1;
double dx = (xIndexMax - xIndexMin) / xwidth;
double dz = (zIndexMax - zIndexMin) / zwidth;
// Get the upper and lower bounds on the values.
var get_values =
from double value in values
select value;
double ymin = get_values.Min();
double ymax = get_values.Max();
// Make the BitmapPixelMaker.
BitmapPixelMaker bm_maker = new BitmapPixelMaker(xwidth, zwidth);
double[] contours = new double[10];
double dc = (ymax - ymin) / contours.Length;
for (int ci = 0; ci < contours.Length; ci++)
{
contours[ci] = ci * dc + ymin;
}
// Set the pixel colors.
for (int ix = 0; ix < xwidth; ix++)
{
for (int iz = 0; iz < zwidth; iz++)
{
System.Drawing.Color color = System.Drawing.Color.FromArgb(100, 100, 100);
switch (colorcode)
{
case COLORCODE.GREEN_RED:
color = ColorCoder.MapGreenRedColor(values[ix, iz], maxToleranceValue);
break;
case COLORCODE.MONO:
color = ColorCoder.MapMonoColor();
break;
case COLORCODE.RAINBOW:
default:
color = ColorCoder.MapRainbowColor(values[ix, iz], ymin, ymax);
break;
}
bm_maker.SetPixel(ix, iz, color);
}
}
// Convert the BitmapPixelMaker into a WriteableBitmap.
WriteableBitmap wbitmap = bm_maker.MakeBitmap(96, 96);
string filename = "texture.png";
// Save the bitmap into a file.
wbitmap.Save(filename);
}
catch (Exception)
{
throw;
}
}