Bump --pc-quality parameters, set minimum cap

opendm/config.py

@@ -370,7 +370,7 @@ def config(argv=None, parser=None):
                     metavar='<string>',
                     action=StoreValue,
                     default='medium',
-                    choices=['ultra', 'high', 'medium', 'low'],
+                    choices=['ultra', 'high', 'medium', 'low', 'lowest'],
                     help=('Set point cloud quality. Higher quality generates better, denser point clouds, but requires more memory and takes longer. Each step up in quality increases processing time roughly by a factor of 4x.'
                         'Can be one of: %(choices)s. Default: '
                         '%(default)s'))

opendm/utils.py

@@ -8,16 +8,18 @@ def get_depthmap_resolution(args, photos):
         return int(args.depthmap_resolution)
     else:
         max_dim = find_largest_photo_dim(photos)
+        min_dim = 320 # Never go lower than this
 
         pc_quality_scale = {
-            'ultra': 0.5,
-            'high': 0.25,
-            'medium': 0.125,
-            'low': 0.0675
+            'ultra': 1,
+            'high': 0.5,
+            'medium': 0.25,
+            'low': 0.125,
+            'lowest': 0.0675
         }
 
         if max_dim > 0:
-            return int(max_dim * pc_quality_scale[args.pc_quality])
+            return max(min_dim, int(max_dim * pc_quality_scale[args.pc_quality]))
         else:
             log.ODM_WARNING("Cannot compute max image dimensions, going with default depthmap_resolution of 640")
             return 640 # Sensible default

stages/openmvs.py

@@ -38,7 +38,6 @@ class ODMOpenMVSStage(types.ODM_Stage):
                 os.mkdir(depthmaps_dir)
             
             depthmap_resolution = get_depthmap_resolution(args, photos)
-
             if outputs["undist_image_max_size"] <= depthmap_resolution:
                 resolution_level = 0
             else: