//2d simple multislicing
private unsafe void multislice_2dsimple(SI.ExternalSlicerManager external, SI.MultiSlicerHandler handler, bool alsoContours, Transaction tr, BlockTableRecord btr)
{
double zstep = handler.z_uniform_step;
double[] zs = handler.use_z_base ? external.prepareSTLSimple(zstep, handler.z_base) :
external.prepareSTLSimple(zstep);
int numslices = zs.Length;
for (int i = 0; i < numslices; ++i)
{
SI.IntPoint[][] rawslice = external.readSlice();
if (rawslice.Length == 0)
{
continue;
}
if (alsoContours)
{
showExternalSlice(rawslice, external.scalingFactor, zs[i], tr, btr);
}
void *slice = handler.feedRawSliceIntoDll(rawslice);
rawslice = null;
void *result = handler.computeSlice2D(slice); //the slice is freed in computeSlice2D()
if (result == null)
{
throw new ApplicationException("Error in compute2D: " + dll.err);
}
try {
const bool mode2D = true;
int ntools = handler.numProcesses;
for (int j = 0; j < ntools; ++j)
{
readOutputSlices(result, mode2D, alsoContours, zs[i], j, tr, btr);
}
} finally {
if (result != null)
{
dll.freeResult(result);
}
}
}
}
//use only external slice
public void externalSlice(string configname, double zstep, string stlfile_arg)
{
doActionForFile(configname, stlfile_arg, (string stlfile) => {
using (SI.ExternalSlicerManager external = createExternalSlicerManager(stlfile)) {
try {
double[] zs = external.prepareSTLSimple(zstep);
int numslices = zs.Length;
double scalingFactor = external.scalingFactor;
modifyAutoCADDocument((Transaction tr, BlockTableRecord btr) => {
for (int i = 0; i < numslices; ++i)
{
SI.IntPoint[][] paths = external.readSlice();
showExternalSlice(paths, scalingFactor, zs[i], tr, btr);
}
});
} catch {
external.terminate();
throw;
}
}
});
}