Allow triangles in polygon masking (fixes #757) (#761)

cctbx · Oct 15, 2024 · 20e2a6e · 20e2a6e
1 parent 4aadf21
commit 20e2a6e
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diff --git a/newsfragments/761.bugfix b/newsfragments/761.bugfix
@@ -0,0 +1 @@
++ allow triangles in polygon masking
diff --git a/src/dxtbx/masking/masking.h b/src/dxtbx/masking/masking.h
@@ -119,7 +119,7 @@ namespace dxtbx { namespace masking {
    */
   void mask_untrusted_polygon(scitbx::af::ref<bool, scitbx::af::c_grid<2> > mask,
                               const scitbx::af::const_ref<vec2<double> > &polygon) {
-    DXTBX_ASSERT(polygon.size() > 3);
+    DXTBX_ASSERT(polygon.size() >= 3);
     std::size_t height = mask.accessor()[0];
     std::size_t width = mask.accessor()[1];
     int x0 = (int)std::floor(polygon[0][0]);