From 4f01312c49bc4c2ca47a87c3b80bc56e04a11e16 Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Mon, 14 Jan 2019 18:22:48 +0000
Subject: [PATCH] TEST: Test fixWinding argument for Mesh and GiftiMesh
---
tests/test_gifti.py | 20 ++++++++++++++++++++
tests/test_mesh.py | 2 ++
2 files changed, 22 insertions(+)
diff --git a/tests/test_gifti.py b/tests/test_gifti.py
index ba758a505..ff6a9b1a3 100644
--- a/tests/test_gifti.py
+++ b/tests/test_gifti.py
@@ -299,3 +299,23 @@ def test_GiftiMesh_multiple_vertices():
surf.vertices = expvsets[1]
assert np.all(surf.vertices == TEST_VERTS * 5)
+
+
+def test_GiftiMesh_needsFixing():
+ from . import test_mesh
+
+ verts = test_mesh.CUBE_VERTICES
+ idxs = test_mesh.CUBE_TRIANGLES_CW
+ idxs_fixed = test_mesh.CUBE_TRIANGLES_CCW
+
+ verts = nib.gifti.GiftiDataArray(verts, intent='NIFTI_INTENT_POINTSET')
+ idxs = nib.gifti.GiftiDataArray(idxs, intent='NIFTI_INTENT_TRIANGLE')
+ gimg = nib.gifti.GiftiImage(darrays=[verts, idxs])
+
+ with tempdir():
+ fname = op.abspath('test.gii')
+ gimg.to_filename(fname)
+
+ surf = gifti.GiftiMesh(fname, fixWinding=True)
+
+ assert np.all(np.isclose(surf.indices, idxs_fixed))
diff --git a/tests/test_mesh.py b/tests/test_mesh.py
index 97f2c9b2f..8b97bfa1c 100644
--- a/tests/test_mesh.py
+++ b/tests/test_mesh.py
@@ -248,9 +248,11 @@ def test_needsFixing():
fnormals = np.array(CUBE_CCW_VERTEX_NORMALS)
blo = verts.min(axis=0)
bhi = verts.max(axis=0)
+ mesh = fslmesh.Mesh(tris_cw, vertices=verts, fixWinding=True)
assert not fslmesh.needsFixing(verts, tris_ccw, fnormals, blo, bhi)
assert fslmesh.needsFixing(verts, tris_cw, -fnormals, blo, bhi)
+ assert np.all(np.isclose(mesh.indices, tris_ccw))
def test_trimesh_no_trimesh():
--
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