private void Configure()
{
_shadedRelief = new ShadedRelief();
_noDataColor = Color.Transparent;
Scheme = new ColorScheme();
if (_raster != null)
{
var Colors = _raster.CategoryColors();
if (Colors != null && Colors.Length > 0)
{ // Use colors that are built into the raster, e.g. GeoTIFF with palette
var names = _raster.CategoryNames();
bool overMaxCount;
var uniqueValues = _raster.GetUniqueValues(Colors.Length, out overMaxCount);
_isElevation = false;
for (int i = 0; i < Colors.Length; i++)
{ //Only add colors to the legend if they appear in the layer
//NLCD CategoryColors include 256 colors, but only 16 are valid
if (uniqueValues.Contains(Convert.ToDouble(i)))
{ // It seems buggy that using value i - 1 below works
ICategory newCat = new ColorCategory(i - 1, Colors[i]);
if (names != null && names.Length > i)
newCat.LegendText = names[i];
else
newCat.LegendText = i.ToString();
Scheme.AddCategory(newCat);
}
}
}
else // Assume grid is elevation
{
_elevationFactor = 1 / 3640000f;
_isElevation = true;
_extrusion = 1;
_scheme.ApplyScheme(ColorSchemeType.FallLeaves, _raster);
}
}
}
private void Configure()
{
_elevationFactor = 1 / 3640000f;
_isElevation = true;
_extrusion = 1;
_shadedRelief = new ShadedRelief();
_noDataColor = Color.Transparent;
Scheme = new ColorScheme();
if (_raster != null) _scheme.ApplyScheme(ColorSchemeType.FallLeaves, _raster);
}
private void SchemeRaster()
{
IMapRasterLayer layer = null;
foreach (IMapRasterLayer ra in map1.GetRasterLayers())
{
layer = ra;
}
if (layer == null || valuesMinMax == null) return;
double min = valuesMinMax[0];
double max = valuesMinMax[1];
ColorScheme scheme = new ColorScheme();
ColorCategory category2 = new ColorCategory(-100000, min, Color.FromArgb(100, 0, 0), Color.FromArgb(250, 0, 0));
category2.LegendText = "< " + min.ToString();
scheme.AddCategory(category2);
double step = (max - min) / 10;
int i;
for (i = 0; i < 10; i++)
{
ColorCategory category1 = new ColorCategory((min + (step * i)), (min + ((i + 1) * step)), Color.FromArgb(250 - (i * 20), i * 10, i * 22), Color.FromArgb(250 - (((i + 1) * 20)), (i + 1) * 10, (i + 1) * 22));
double rmin = Math.Round(min + (step * i), 4);
double rmax = Math.Round(min + ((i + 1) * step), 4);
category1.LegendText = rmin.ToString() + " " + rmax.ToString();
scheme.AddCategory(category1);
}
ColorCategory category3 = new ColorCategory(max, 10000000, Color.FromArgb(50, 100, 220), Color.FromArgb(30, 110, 244));
category2.LegendText = "> " + max.ToString();
scheme.AddCategory(category3);
layer.Symbolizer.Scheme = scheme;
layer.WriteBitmap();
map1.Refresh();
}
private void Configure()
{
_shadedRelief = new ShadedRelief();
_noDataColor = Color.Transparent;
Scheme = new ColorScheme();
if (_raster != null)
{
var Colors = _raster.CategoryColors();
if (Colors != null && Colors.Length > 0)
{ // Use colors that are built into the raster, e.g. GeoTIFF with palette
_isElevation = false;
//use all colors instead of unique colors because unique colors are not allways set/correct
int lastColor = Colors[0].ToArgb(); //changed by jany_ 2015-06-02
int firstNr = 0;
//group succeding values with the same color to the same category
for (int i = 1; i < Colors.Length; i++)
{
int hash = Colors[i].ToArgb();
if (hash != lastColor || i == Colors.Length - 1)
{
ICategory newCat = new ColorCategory(firstNr, i - 1, Colors[firstNr], Colors[firstNr]);
newCat.Range.MaxIsInclusive = true;
newCat.Range.MinIsInclusive = true;
newCat.LegendText = firstNr.ToString();
Scheme.AddCategory(newCat);
firstNr = i;
lastColor = hash;
}
}
}
else // Assume grid is elevation
{
_elevationFactor = 1 / 3640000f;
_isElevation = true;
_extrusion = 1;
_scheme.ApplyScheme(ColorSchemeType.FallLeaves, _raster);
}
}
}
