private bool CanAddNeigborsToFringe(int element_index)
{
d_topology.ElementNeighboursRBA(element_index, d_neigbor_element_array);
foreach (int neigbor_element_index in d_neigbor_element_array)
{
if (neigbor_element_index != -1)
{
if (!d_elements_to_queued[neigbor_element_index])
{
if (this.element_index_comparer.Compare(element_index, neigbor_element_index) == -1)// HOOK
{
return(false);
}
}
}
}
return(true);
}
private void add_neigbors_to_fringe(int element_index)
{
d_topology.ElementNeighboursRBA(element_index, d_neigbor_element_array);
foreach (int neigbor_element_index in d_neigbor_element_array)
{
if (neigbor_element_index != -1)
{
d_fringe.Peek().Add(neigbor_element_index);
}
}
}
public static void GetShellRBA <RasterType>(IImageRaster <RasterType, bool> source, ITopologyElement topology, IImageRaster <RasterType, bool> target, bool border_is_shell)
where RasterType : IRasterInteger
{
int[] element_neigbour_array = new int[topology.MaximumConnectivity];
for (int element_index = 0; element_index < source.Raster.ElementCount; element_index++)
{
if (source.GetElementValue(element_index))
{
bool is_shell = false;
topology.ElementNeighboursRBA(element_index, element_neigbour_array);
foreach (int other_element_index in element_neigbour_array)
{
if (other_element_index != -1)
{
if (!source.GetElementValue(other_element_index))
{
is_shell = true;
}
}
else
{
if (border_is_shell)
{
is_shell = true;
}
}
}
if (is_shell)
{
target.SetElementValue(element_index, true);
}
}
}
}