Attempted parallelization of casemaps

src/main.cpp

@@ -9,6 +9,7 @@
 #include <gdal/gdal.h>
 #include "gdal/gdal_priv.h"
 #include <gdal/gdal_frmts.h>
+#include <omp.h>
 
 CaseMap produce_casemap(HeightMap* heightmap, float z)
 {
@@ -29,6 +30,28 @@ CaseMap produce_casemap(HeightMap* heightmap, float z)
 
 }
 
+std::vector<CaseMap> vector_casemap(HeightMap* heightmap, int interval)
+{
+    int num_contours = (heightmap->max - heightmap->min)/interval;
+    std::vector<CaseMap> vector_contours;
+omp_set_num_threads(8);
+
+#pragma omp parallel
+{
+    std::vector<CaseMap> vec_private;
+    #pragma omp for
+    for (int i = 1; i <= num_contours; i++) 
+    {
+        vec_private.push_back(produce_casemap(heightmap, heightmap->min + interval*i));
+        std::cout << "Execute thread " << omp_get_num_threads << " ";
+    }
+    #pragma omp critical
+    vector_contours.insert(vector_contours.end(), vec_private.begin(), vec_private.end());
+
+}
+    return vector_contours;
+}
+
 void write_output_file(CaseMap* casemap, const char *filepath)
 {
 
@@ -143,4 +166,5 @@ int main(int argc, const char* argv[])
     }
     */
     write_output_file(&casemap, "out.shp");
+    vector_casemap(&map, 1);
 }