Fix issue on icoorder7 resolution.

Author: feilong

src/brainplotlib/__init__.py

@@ -74,8 +74,9 @@ def unmask_and_upsample(lh, rh, space, icoorder, masked):
         else:
             vv = v
 
-        voronoi = np.load(os.path.join(DATA_DIR, f'voronoi_fsaverage_{lr}h_icoorder{icoorder}.npy'))
-        vv = vv[voronoi]
+        if icoorder < 7:
+            voronoi = np.load(os.path.join(DATA_DIR, f'voronoi_fsaverage_{lr}h_icoorder{icoorder}.npy'))
+            vv = vv[voronoi]
         new_values.append(vv)
     new_values = np.concatenate(new_values, axis=0)
     return new_values

tests/test_unmask_upsample.py

@@ -19,6 +19,13 @@ def test_icoorder5_nonmasked(self):
         assert values.max() == 20483
         assert np.all(np.isfinite(values))
 
+    def test_icoorder7_nonmasked(self):
+        lh = np.arange(163842)
+        rh = np.arange(163842) + 163842
+        values = unmask_and_upsample(lh, rh, 'fsaverage', 7, False)
+        assert values.min() == 0
+        assert values.max() == 327683
+        assert np.all(np.isfinite(values))
 
 class TestPrepareData:
     def test_tuple_input(self):