On Aug 5, 2007, at 10:41 AM, fred wrote:

>  Peter Wang a écrit :
> > Yeah, there seems to be a mapper issue when zoomed in a lot.  I think
> > as of Friday afternoon Bryan was still looking into this.
> >
> >
>  BTW, how can I disable the display of the inspector ?
>  Is it possible ?

You can remove it from the image plot's list of overlays.

In a previous email you had also asked about how to just display the  
scalar value and not the RGB.  You can customize both the visibility  
of the inspector overlay and its displayed value by subclassing and  
overriding one method.  The example below shows a custom overlay that  
only displays the scalar value, and is only visible if the value is  
greater than 0.5.


from enthought.chaco2.tools.image_inspector_tool import  
ImageInspectorOverlay

class CustomOverlay(ImageInspectorOverlay):

     def _new_value_updated(self, event):
         """ *event* is a dict with two keys, 'color_value' and  
'data_value'.
             It can also be None.
         """

         # Only draw the inspector if the data value is greater than 0.5
         if event is None or event["data_value"] < 0.5:
             self.text = ""
             self.visible = False
         else:
             self.visible = True
             self.text = str(event["data_value"])

         if self.tooltip_mode:
             self.alternate_position =  
self.image_inspector.last_mouse_position
         else:
             self.alternate_position = None

         self.component.request_redraw()



-Peter

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