Merge pull request #2761 from silx-kit/vallsv-patch-1

[shapes] ValueError if the array do not have the right shape
silx-kit · Oct 2, 2019 · da50890 · da50890
2 parents d8d5d49 + 3a8b5dc
commit da50890
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/silx/image/shapes.pyx b/silx/image/shapes.pyx
@@ -58,6 +58,8 @@ cdef class Polygon(object):
 
     def __init__(self, vertices):
         self.vertices = numpy.ascontiguousarray(vertices, dtype=numpy.float32)
+        if self.vertices.ndim != 2 or self.vertices.shape[1] != 2:
+             raise ValueError("A list of 2d vertices is expected (n,2 dimensional array)")
         self.nvert = self.vertices.shape[0]
 
     def is_inside(self, row, col):