Speed up DEM generation

Former-commit-id: be2815ac1c

opendm/dem/commands.py

@@ -34,7 +34,7 @@ def classify(lasFile, scalar, slope, threshold, window, verbose=False):
 error = None
 
 def create_dem(input_point_cloud, dem_type, output_type='max', radiuses=['0.56'], gapfill=True,
-                outdir='', resolution=0.1, max_workers=1, max_tile_size=2048,
+                outdir='', resolution=0.1, max_workers=1, max_tile_size=4096,
                 verbose=False, decimation=None, keep_unfilled_copy=False,
                 apply_smoothing=True):
     """ Create DEM from multiple radii, and optionally gapfill """

stages/run_opensfm.py

@@ -58,7 +58,7 @@ class ODMOpenSfMStage(types.ODM_Stage):
         self.update_progress(80)
 
         if not io.file_exists(tree.opensfm_reconstruction_nvm) or self.rerun():
-            octx.run('export_visualsfm')
+            octx.run('export_visualsfm --undistorted')
         else:
             log.ODM_WARNING('Found a valid OpenSfM NVM reconstruction file in: %s' %
                             tree.opensfm_reconstruction_nvm)