public void RasterMapperMapRasterTest()
{
// value is coordinate
RasterMapper mapper = RasterMapper.FromTransformation(RasterMapMode.ValueIsCoordinate, 300, 1000, 0, 10, 3, 1);
for (Int32 i = -100; i < 100; i += 3)
{
for (Int32 j = -100; j < 100; j += 3)
{
Int32 rowIndex, columnIndex;
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), out rowIndex, out columnIndex);
Assert.AreEqual(i, columnIndex);
Assert.AreEqual(j, rowIndex);
Double floatRowIndex, floatColumnIndex;
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), RasterMapMode.ValueIsCoordinate, out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
mapper.MapRaster(new Coordinate(295 + i * 10, 998.5 + j * 3), RasterMapMode.ValueIsArea, out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
}
}
// value is area
mapper = RasterMapper.FromTransformation(RasterMapMode.ValueIsArea, 300, 1000, 0, 10, 3, 1);
for (Int32 i = -100; i < 100; i += 3)
{
for (Int32 j = -100; j < 100; j += 3)
{
Int32 rowIndex, columnIndex;
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), out rowIndex, out columnIndex);
Assert.AreEqual(i, columnIndex);
Assert.AreEqual(j, rowIndex);
Double floatRowIndex, floatColumnIndex;
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
mapper.MapRaster(new Coordinate(305 + i * 10, 1001.5 + j * 3), RasterMapMode.ValueIsCoordinate, out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
mapper.MapRaster(new Coordinate(300 + i * 10, 1000 + j * 3), RasterMapMode.ValueIsArea, out floatRowIndex, out floatColumnIndex);
Assert.AreEqual(i, floatColumnIndex);
Assert.AreEqual(j, floatRowIndex);
}
}
}
