Fixed exception in case Tie_Point_Grid.to_PointShapefile() is called with skip_nodata=False.

arosics/Tie_Point_Grid.py

@@ -609,11 +609,16 @@ class Tie_Point_Grid(object):
         """
 
         GDF = self.CoRegPoints_table
-        GDF2pass = GDF if not skip_nodata else GDF[GDF[skip_nodata_col] != self.outFillVal]
+
+        if skip_nodata:
+            GDF2pass = GDF
+        else:
+            GDF2pass = GDF[GDF[skip_nodata_col] != self.outFillVal].copy()
+            GDF2pass.LAST_ERR = GDF2pass.apply(lambda GDF_row: repr(GDF_row.LAST_ERR), axis=1)
 
         # replace boolean values (cannot be written)
-        GDF2pass = GDF2pass.replace(False, 0)  # replace all booleans where column dtype is not np.bool but np.object
-        GDF2pass = GDF2pass.replace(True, 1)
+        GDF2pass = GDF2pass.replace(False, 0).copy()  # replace booleans where column dtype is not np.bool but np.object
+        GDF2pass = GDF2pass.replace(True, 1).copy()
         for col in GDF2pass.columns:
             if GDF2pass[col].dtype == np.bool:
                 GDF2pass[col] = GDF2pass[col].astype(int)

arosics/version.py

-__version__ = '0.8.9'
-__versionalias__ = '2018-11-27_01'
+__version__ = '0.8.10'
+__versionalias__ = '2018-11-28_01'

tests/test_tie_point_grid.py

@@ -74,6 +74,11 @@ class Test_Tie_Point_Grid(unittest.TestCase):
             self.TPG.to_PointShapefile(outpath)
             self.assertTrue(os.path.isfile(outpath))
 
+        with tempfile.TemporaryDirectory() as tmpdir:
+            outpath = os.path.join(tmpdir, 'test_out_shapefile_incl_nodata.shp')
+            self.TPG.to_PointShapefile(outpath, skip_nodata=False)
+            self.assertTrue(os.path.isfile(outpath))
+
     def test_to_vectorfield(self):
         with tempfile.TemporaryDirectory() as tmpdir:
             outpath = os.path.join(tmpdir, 'test_vectorfield.bsq')