column map converter

matlab/convert_particles_array_colmap.m

@@ -0,0 +1,24 @@
+function [pp2] = convert_particles_array_colmap(pp1,col1,col2)
+    % [pp2] = convert_particles_array_colmap(pp1,col1,col2)
+    % Converts particle array data with colmap 1 to array with colmap 2
+    % Input
+    %   pp1           original particle data in 'array' format
+    %   col1          column map of pp1
+    %   col2          new column map
+    % Output
+    %   pp2           particle data with column map col2
+    ncol2 = col2.Count;
+    np = size(pp1,2);
+    nt = size(pp1,3);
+    pp2 = zeros(ncol2,np,nt);
+    
+    col2keys = col2.keys;
+    for it=1:nt
+      for icol=1:ncol2
+        key = col2keys{icol};
+        if col1.isKey(key)
+          pp2(icol,:,it) = pp1(col1(key),:,it);
+        end
+      end
+    end
+end