//Loads stl, makes computations ("classify" each facet), then removes the facet data from memory.
private void process_stl_async(string stl_location, int process_count)
{
//Build all threads, start. (This snippet may be worth saving?)
Thread[] threads = new Thread[process_count];
thread_signin = new bool[process_count];
for (int i = 0; i < process_count; i++)
{
//Lambda expressions pass by reference. Dereferencing is necessary here.
int dereference_i = i;
threads[i] = new Thread(() => process_stl_singleprocess(dereference_i, process_count));
}
foreach (Thread t in threads)
{
t.Start();
}
//Wait for all threads to complete.
while (!MathTools.CheckAll(thread_signin))
{
Thread.Sleep(1);
}
//Combine tables and reduce.
lookup_table = StlClassificationTable.CombineReduce(volatile_tables);
}
public static StlClassificationTable CombineReduce(StlClassificationTable[] tables)
{
if (tables.Length == 0)
{
throw new Exception("Error: no tables to combine.");
}
int n = tables[0].Count;
StlClassificationTable output = new StlClassificationTable(tables[0].Count);
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
List <int> entry = new List <int>();
for (int p = 0; p < tables.Length; p++)
{
List <int> this_table = (tables[p])[i, j];
for (int y = 0; y < this_table.Count; y++)
{
entry.Add(this_table[y]);
}
}
output[i, j] = entry;
}
}
output.Reduce();
return(output);
}
public StlClassifier(string _stl_location, int _bin_count)
{
//build bounds...
bin_count = _bin_count;
stl_location = _stl_location;
temp_facet_data = new STL(_stl_location);
bounds = get_bounds();
classifier = new GridClassifier(bin_count, bounds);
lookup_table = new StlClassificationTable(bin_count);
}
//test function for asynchronous classification.
//This function is not run by default.
public void RunClassify(int process_count)
{
//Declare and initialize volatile table array.
volatile_tables = new StlClassificationTable[process_count];
for (int i = 0; i < process_count; i++)
{
volatile_tables[i] = new StlClassificationTable(bin_count);
}
//Populates the volatile array
process_stl_async(stl_location, process_count);
}
