/// <summary>
/// Create a new tile and fill it with the default value for the layer
/// </summary>
/// <param name="tileCoord"></param>
/// <returns></returns>
protected override MapBuffer CreateTileImpl(CoordXZ tileCoord)
{
MapBuffer16 buffer = new MapBuffer16(map, samplesPerTile, metersPerSample);
buffer.Fill(defaultRawValue);
return(buffer);
}
/// <summary>
/// Copies one buffer into an area of another.
/// Source buffer must fit within bounds of dest buffer when placed at dest offset.
/// Source and dest buffers must be of the same type (MapBuffer16).
/// Source and dest buffers must have the same meters per sample.
/// </summary>
/// <param name="destX">X offset within dest to place src</param>
/// <param name="destZ">Z offset within dest to place src</param>
/// <param name="src">Source map</param>
public override void Copy(int destX, int destZ, MapBuffer src)
{
Debug.Assert(src is MapBuffer16);
Debug.Assert(src.MetersPerSample == metersPerSample);
Debug.Assert((destX + src.NumSamples) <= numSamples);
Debug.Assert((destZ + src.NumSamples) <= numSamples);
MapBuffer16 src16 = src as MapBuffer16;
for (int z = 0; z < src.NumSamples; z++)
{
int srcoff = z * src.NumSamples;
int destoff = ((destZ + z) * numSamples) + destX;
for (int x = 0; x < src.NumSamples; x++)
{
buffer[destoff] = src16.buffer[srcoff];
srcoff++;
destoff++;
}
}
dirty = true;
}
/// <summary>
/// Create a new tile and fill it with the default value for the layer
/// </summary>
/// <param name="tileCoord"></param>
/// <returns></returns>
protected override MapBuffer CreateTileImpl(CoordXZ tileCoord)
{
MapBuffer16 buffer = new MapBuffer16(map, samplesPerTile, metersPerSample);
buffer.Fill(defaultRawValue);
return buffer;
}