cpp interaction goes both ways

Author: tomvanmele

src/compas/geometry/algorithms/_smoothing_cpp/src/main.cpp

@@ -5,6 +5,7 @@
 #include <array>
 #include <vector>
 
+// cd _smoothing_cpp
 // g++ -shared -fPIC src/main.cpp -o smoothing.so
 
 using namespace std;
@@ -22,7 +23,7 @@ void smooth_centroid(int v, int *nbrs, int *fixed, double **vertices, int **neig
     double cx, cy, cz;
     double c;
 
-    vector<vector<double>> xyz(v, vector<double>(3, 0.0));
+    vector< vector<double> > xyz(v, vector<double>(3, 0.0));
 
 
     for (k = 0; k < kmax; k++) {

src/compas/geometry/algorithms/smoothing_cpp.py

@@ -60,6 +60,7 @@ def smooth_centroid_cpp(vertices, adjacency, fixed, kmax=100, callback=None, cal
 
     def wrapper(k):
         print(k)
+        c_vertices.cdata[18][0] = 0.01 * k
         callback(c_vertices.pydata)
 
     smooth_centroid.smooth_centroid.argtypes = [
@@ -118,7 +119,7 @@ def wrapper(k):
     fixed     = list(mesh.vertices_where({'is_fixed': True}))
     adjacency = [mesh.vertex_neighbours(key) for key in mesh.vertices()]
 
-    v = len(vertices)
+    print(fixed)
 
     # make a plotter for (dynamic) visualization
     # and define a callback function