From a8026d289b812fa1b6a54384b897331070bb659c Mon Sep 17 00:00:00 2001
From: Andreas Schuh <andreas.schuh.84@gmail.com>
Date: Mon, 21 Sep 2020 12:52:47 +0100
Subject: [PATCH] =?UTF-8?q?fixup:=20Use=20of=20undefined=20=E2=80=98npts?=
 =?UTF-8?q?=E2=80=99=20in=20SurfaceCollisions?=
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---
 Modules/PointSet/src/SurfaceCollisions.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/PointSet/src/SurfaceCollisions.cc b/Modules/PointSet/src/SurfaceCollisions.cc
index bff0cc121..76b77d61d 100644
--- a/Modules/PointSet/src/SurfaceCollisions.cc
+++ b/Modules/PointSet/src/SurfaceCollisions.cc
@@ -84,7 +84,7 @@ class ComputeBoundingSpheres
     for (vtkIdType cellId = re.begin(); cellId != re.end(); ++cellId) {
       // Get triangle vertices
       _Surface->GetCellPoints(cellId, ptIds.GetPointer());
-      mirtkAssert(npts == 3, "surface is triangular mesh");
+      mirtkAssert(ptIds->GetNumberOfIds() == 3, "surface is triangular mesh");
 
       // Get triangle vertex positions
       _Surface->GetPoint(ptIds->GetId(0), a);