Merge pull request #42 from dave3d/UpdateSitkUtil

update to use simpleitkutlities in pypi

environment.yml

@@ -13,4 +13,4 @@ dependencies:
   - pip:
     - pydicom
     - vtk
-    - git+https://github.com/SimpleITK/SimpleITKUtilities.git@main
+    - simpleitkutilities

requirements.txt

@@ -2,4 +2,4 @@ numpy>=1.24.0
 SimpleITK>=2.2
 vtk>=9.2.0
 pydicom>=2.3
-SimpleITKUtilities @ git+https://github.com/SimpleITK/SimpleITKUtilities.git@main
+simpleitkutilities

tests/test_sitkutils.py

@@ -0,0 +1,33 @@
+#! /usr/bin/env python
+
+import unittest
+from SimpleITK.utilities.vtk import *
+import vtk
+import SimpleITK as sitk
+import platform
+
+
+class TestSitkUtils(unittest.TestCase):
+    def test_sitk2vtk(self):
+        print("Testing SimpleITK Utilities")
+        dims = [102, 102, 102]
+        img = sitk.GaussianSource(sitk.sitkUInt8, dims)
+        direction = [0.0, 1.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, -1.0]
+        img.SetDirection(direction)
+
+        vol = sitk2vtk(img)
+        self.assertTupleEqual(vol.GetDimensions(), tuple(dims))
+        print("\nAccessing VTK image")
+        val = vol.GetScalarComponentAsFloat(5, 5, 5, 0)
+        print(val)
+        self.assertAlmostEqual(val, 3.0)
+
+        if vtk.vtkVersion.GetVTKMajorVersion() >= 9:
+            print("\nDirection matrix")
+            print(vol.GetDirectionMatrix())
+        else:
+            print("VTK version < 9.  No direction matrix")
+
+
+if __name__ == "__main__":
+    unittest.main()