arrows are drawn now if normalization is off #144

ColorPolicy.py

@@ -199,4 +199,4 @@ def standard_procedure(outline, color, iterations, averaging, xc, yc, zc,
         if not decimate:
             assert dotted_color.shape == (iterations, zc*yc*xc, 3)
             assert outline.shape == (zc*yc*xc, 4)
-        return dotted_color, outline, decimate
+        return dotted_color, outline, decimate, np.array(color)

Widgets/openGL_widgets/AbstractGLContext.py

@@ -81,7 +81,7 @@ def prerendering_calculation(self):
         yc = int(self.file_header['ynodes'])
         zc = int(self.file_header['znodes'])
         # change drawing function
-        self.color_vectors, self.vectors_list, decimate = \
+        self.color_vectors, self.vectors_list, decimate, self.colorX = \
                     ColorPolicy.standard_procedure(self.vectors_list,
                                                    self.color_vectors,
                                                    self.iterations,

Widgets/openGL_widgets/ArrowGLContext.py

@@ -41,9 +41,10 @@ def __init__(self, data_dict, parent):
 
     def prerendering_calculation(self):
         super().prerendering_calculation()
+        ArrowGLContext.normalize_specification(self.colorX, vbo=True)
         if self.normalize:
-           ArrowGLContext.normalize_specification(self.color_vectors, vbo=True)
-        self.structure_vbo = self.regenerate_structure(self.color_vectors)
+            ArrowGLContext.normalize_specification(self.color_vectors, vbo=True)
+        self.structure_vbo = self.regenerate_structure(self.colorX)
         self.index_required = self.SIDES*2
         self.indices = self.generate_index()
         self.color_vectors = ColorPolicy.apply_vbo_format(self.color_vectors,