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-rw-r--r--silx/gui/plot3d/items/volume.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/silx/gui/plot3d/items/volume.py b/silx/gui/plot3d/items/volume.py
index 6c6562f..f80fea2 100644
--- a/silx/gui/plot3d/items/volume.py
+++ b/silx/gui/plot3d/items/volume.py
@@ -444,7 +444,7 @@ class Isosurface(Item3D):
return None # No intersected triangles
intersections = numpy.array(intersections)[numpy.argsort(depths)]
- indices = numpy.transpose(numpy.round(intersections).astype(numpy.int))
+ indices = numpy.transpose(numpy.round(intersections).astype(numpy.int64))
return PickingResult(self, positions=intersections, indices=indices)