Reconstruct only primary band in multi-camera setup

stages/mve.py

@@ -29,7 +29,13 @@ class ODMMveStage(types.ODM_Stage):
 
             # run mve makescene
             if not io.dir_exists(tree.mve_views):
-                system.run('%s "%s" "%s"' % (context.makescene_path, tree.opensfm_reconstruction_nvm, tree.mve), env_vars={'OMP_NUM_THREADS': args.max_concurrency})
+                nvm_file = tree.opensfm_reconstruction_nvm
+                if reconstruction.multi_camera:
+                    # Reconstruct only the primary band
+                    primary = reconstruction.multi_camera[0]
+                    nvm_file = os.path.join(tree.opensfm, "undistorted", "reconstruction_%s.nvm" % primary['name'].lower())
+
+                system.run('%s "%s" "%s"' % (context.makescene_path, nvm_file, tree.mve), env_vars={'OMP_NUM_THREADS': args.max_concurrency})
 
             self.update_progress(10)