GLImageobject.getDataResolution was returning a single value, when it

needed to return one value per axis. Other minor cosmetic changes.

fsl/fslview/gl/globject.py

@@ -11,22 +11,9 @@ all 2D representations of objects in OpenGL.
 This module also provides the :func:`createGLObject` function, which provides
 mappings between :class:`~fsl.data.image.Image` types, and their corresponding
 OpenGL representation.
-
-Some other convenience functions are also provided, for generating
-OpenGL vertex data.
 """
 
 
-import logging
-
-import itertools           as it
-import numpy               as np
-import fsl.utils.transform as transform
-
-
-log = logging.getLogger(__name__)
-
-
 def createGLObject(image, display):
     """Create :class:`GLObject` instance for the given
     :class:`~fsl.data.image.Image` instance.
@@ -243,4 +230,5 @@ class GLImageObject(GLObject):
             return self.image.shape[:3]
         else:
             lo, hi = self.display.getDisplayBounds()
-            return ((hi - lo) / self.display.resolution).min()
+            minres = int(round(((hi - lo) / self.display.resolution).min()))
+            return [minres] * 3

fsl/fslview/gl/routines.py

@@ -44,7 +44,6 @@ def show2D(xax, yax, width, height, lo, hi):
         gl.glRotatef(270, 1, 0, 0)
 
 
-
 def calculateSamplePoints(shape, resolution, xform, xax, yax):
     """Calculates a uniform grid of points, in the display coordinate system
     (as specified by the given