[nodes] ImageProcessing: add storageDataType option

meshroom/nodes/aliceVision/ImageProcessing.py

@@ -288,6 +288,19 @@ Convert or apply filtering to the input images.
                 exclusive=True,
                 uid=[0],
         ),
+        desc.ChoiceParam(
+            name='storageDataType',
+            label='Storage Data Type for EXR output',
+            description='Storage image data type:\n'
+                        ' * float: Use full floating point (32 bits per channel)\n'
+                        ' * half: Use half float (16 bits per channel)\n'
+                        ' * halfFinite: Use half float, but clamp values to avoid non-finite values\n'
+                        ' * auto: Use half float if all values can fit, else use full float\n',
+            value='float',
+            values=['float', 'half', 'halfFinite', 'auto'],
+            exclusive=True,
+            uid=[0],
+        ),
         desc.ChoiceParam(
             name='verboseLevel',
             label='Verbose Level',