public static Envelope UnprojectedExtents(Envelope extents, ICoordinateTransformation projection)
{
if (projection == null)
{
throw new ArgumentNullException("projection");
}
if (extents == null)
{
return(extents);
}
float[] longitudes = new float[4];
float[] latitudes = new float[4];
MetersToDegrees((float)extents.getMinX(), (float)extents.getMaxY(), out longitudes[0], out latitudes[0], projection);
MetersToDegrees((float)extents.getMinX(), (float)extents.getMinY(), out longitudes[1], out latitudes[1], projection);
MetersToDegrees((float)extents.getMaxX(), (float)extents.getMaxY(), out longitudes[2], out latitudes[2], projection);
MetersToDegrees((float)extents.getMaxX(), (float)extents.getMinY(), out longitudes[3], out latitudes[3], projection);
float xMin = longitudes[0];
float yMin = latitudes[0];
float xMax = longitudes[0];
float yMax = latitudes[0];
for (int i = 0; i < 4; i++)
{
xMin = Math.Min(xMin, longitudes[i]);
yMin = Math.Min(yMin, latitudes[i]);
xMax = Math.Max(xMax, longitudes[i]);
yMax = Math.Max(yMax, latitudes[i]);
}
return(new Envelope(xMin, xMax, yMin, yMax));
}
public static Envelope UnprojectedExtents( Envelope extents, ICoordinateTransformation projection )
{
if ( projection == null )
{
throw new ArgumentNullException("projection");
}
if ( extents == null )
{
return extents;
}
float[] longitudes = new float[4];
float[] latitudes = new float[4];
MetersToDegrees((float) extents.getMinX(), (float) extents.getMaxY(), out longitudes[0], out latitudes[0], projection);
MetersToDegrees((float) extents.getMinX(), (float) extents.getMinY(), out longitudes[1], out latitudes[1], projection);
MetersToDegrees((float) extents.getMaxX(), (float) extents.getMaxY(), out longitudes[2], out latitudes[2], projection);
MetersToDegrees((float) extents.getMaxX(), (float) extents.getMinY(), out longitudes[3], out latitudes[3], projection);
float xMin = longitudes[0];
float yMin = latitudes[0];
float xMax = longitudes[0];
float yMax = latitudes[0];
for ( int i = 0; i < 4; i++ )
{
xMin = Math.Min(xMin, longitudes[i]);
yMin = Math.Min(yMin, latitudes[i]);
xMax = Math.Max(xMax, longitudes[i]);
yMax = Math.Max(yMax, latitudes[i]);
}
return new Envelope(xMin, xMax, yMin, yMax);
}
