getting rid of relatives path in scene reconstruction sample

Author: edgarriba

modules/sfm/samples/data/images/dataset_files.txt

@@ -1,4 +1,4 @@
-/home/eriba/software/opencv_contrib/modules/sfm/samples/data/images/resized_IMG_2889.jpg
-/home/eriba/software/opencv_contrib/modules/sfm/samples/data/images/resized_IMG_2890.jpg
-/home/eriba/software/opencv_contrib/modules/sfm/samples/data/images/resized_IMG_2891.jpg
-/home/eriba/software/opencv_contrib/modules/sfm/samples/data/images/resized_IMG_2892.jpg
+resized_IMG_2889.jpg
+resized_IMG_2890.jpg
+resized_IMG_2891.jpg
+resized_IMG_2892.jpg

modules/sfm/samples/scene_reconstruction.cpp

@@ -35,10 +35,11 @@ int getdir(const string _filename, vector<string> &files)
   if (!myfile.is_open()) {
     cout << "Unable to read file: " << _filename << endl;
     exit(0);
-  } else {
-    string line_str;
+  } else {;
+    size_t found = _filename.find_last_of("/\\");
+    string line_str, path_to_file = _filename.substr(0, found);
     while ( getline(myfile, line_str) )
-      files.push_back(line_str);
+      files.push_back(path_to_file+string("/")+line_str);
   }
   return 1;
 }