Increased maximum render texture resolution, and GLLineVector

resolution. DisplayContext sync overlay order is off by default.

fsl/fsleyes/displaycontext/displaycontext.py

@@ -178,10 +178,11 @@ class DisplayContext(props.SyncableHasProperties):
                       'displaySpace',
                       'bounds',
                       'autoDisplay'],
-            nobind=[  'syncOverlayDisplay'])
+            nobind=[  'syncOverlayDisplay'],
+            state={'overlayOrder' : False})
 
         self.__overlayList = overlayList
-        self.__name         = '{}_{}'.format(self.__class__.__name__, id(self))
+        self.__name        = '{}_{}'.format(self.__class__.__name__, id(self))
 
         # Keep track of the overlay list length so
         # we can do some things in the

fsl/fsleyes/gl/gllinevector.py

@@ -88,8 +88,8 @@ class GLLineVector(glvector.GLVector):
         """
 
         res       = list(glvector.GLVector.getDataResolution(self, xax, yax))
-        res[xax] *= 16
-        res[yax] *= 16
+        res[xax] *= 20
+        res[yax] *= 20
         
         return res
 

fsl/fsleyes/gl/textures/rendertexture.py

@@ -295,7 +295,7 @@ class GLObjectRenderTexture(RenderTexture):
     size can be re-calculated.
     """
     
-    def __init__(self, name, globj, xax, yax, maxResolution=1024):
+    def __init__(self, name, globj, xax, yax, maxResolution=2048):
         """Create a ``GLObjectRenderTexture``.
 
         :arg name:          A unique name for this ``GLObjectRenderTexture``.