Re: [udig-devel] Legend

[Emily Gouge <egouge@xxxxxxxxxxxxxxx>]

I have not yet addressed the no_data issue but I will open a pull 
request for now and another one when I get something in place for nodata.

Emily

On 10/10/2012 2:05 PM, andrea antonello wrote:
> Hi Emily
>
> > For those interested I've pushed the latest updates to my legend branch:
> >
> > https://github.com/egouge/udig-platform/tree/legend
>
> were you thinking to open a pull request for that? Or are you still
> working on it?
>
> Thank you!
> Andrea
>
>
>
>
>
> > On 10/4/2012 9:07 AM, andrea antonello wrote:
> > > Hi Emily,
> > > I am currently abroad so I can only look at your image.
> > >
> > > > I've played around a bit more with the legend, in particular the ramp
> > > > option.  See attached image - does that better meet your requirements?
> > > >
> > > > Keep in mind I have not done anything with the NO_DATA values yet.
> > >
> > >
> > > Wooo, I really like that! It looks like the proper raster ramp legend.
> > >
> > > Thanks,
> > > Andrea
> > >
> > >
> > > > Emily
> > > >
> > > >
> > > > On 9/21/2012 5:25 AM, andrea antonello wrote:
> > > > > Hi Emily, very nice work, always good to see you active!
> > > > >
> > > > > Comments:
> > > > >
> > > > > 1) ramps
> > > > > I am not able to review right now, but I would love to see the legend
> > > > > ramp enhanced, since that one is not really helpful.
> > > > >
> > > > > The ramp should be vertical and pass through at least a couple of
> > > > > colors, which means it also should take up the space of about 5 boxes
> > > > > usually taken up by the vectore box.
> > > > >
> > > > > I have done that kind of work for the JGrass raster legend and would
> > > > > be happy to retire that one to have it all inside the legend.
> > > > > Do you think we could somehow converge on that?
> > > > >
> > > > > Also, what defines when to use a category or a ramp?
> > > > >
> > > > > 2) In the above screen I see that some values seem to be integers,
> > > > > whereas others doubles. Why is that happening?
> > > > >
> > > > > 3) I would suggest to consider novalues. I don't think that someone
> > > > > wants to have the -9999.0 in the legend? Maybe that could even be put
> > > > > inside a preference panel to set?
> > > > >
> > > > > 4) I would suggest to put borders around the boxes in order to enhance
> > > > > readability. In the case a color is the same as the background, it
> > > > > looks odd (ex the -9999.0, but also white of the ramp on white
> > > > > background)
> > > > >
> > > > > Cheers,
> > > > > Andrea
> > > > >
> > > > >
> > > > >
> > > > > On Thu, Sep 20, 2012 at 10:01 PM, Emily Gouge <egouge@xxxxxxxxxxxxxxx>
> > > > > wrote:
> > > > > > For the project I'm working on I needed to add the ability to include
> > > > > > themed
> > > > > > rasters in the legend.  In the process of adding this functionality
> > > > > > I've
> > > > > > made a number of improvements to the udig legend.
> > > > > >
> > > > > > Updates include:
> > > > > > 1) Fixed the legend style configurator so it remembers the style
> > > > > > parameters
> > > > > > entered by the user.  Previously, it was always displaying the default
> > > > > > values.
> > > > > >
> > > > > > 2) I added some layer interceptors to track when legend layers are
> > > > > > added/removed and add listeners.  I did this so I would watch context
> > > > > > changes and updated the legend when another layer changed.  I updated
> > > > > > the
> > > > > > legend if the style changed, visibility changed, or the context model
> > > > > > changes.  This means the user does not have to refresh the map to
> > > > > > update
> > > > > > the
> > > > > > legend if they change a layer.
> > > > > >
> > > > > > 3) Fixed some rendering issues with the height of the legend being
> > > > > > bigger
> > > > > > than required.
> > > > > >
> > > > > > 4) I added code to display ColorMap values for GridCoverage whose
> > > > > > styles
> > > > > > include a ColorMap (see attached image for example).  If the style does
> > > > > > not
> > > > > > include a ColorMap then the default icon is used.    I supported the
> > > > > > three
> > > > > > types of ColorMap: intervals, values and ramp.
> > > > > >
> > > > > > I've made a pull request:
> > > > > > https://github.com/uDig/udig-platform/pull/149
> > > > > >
> > > > > > Feedback/comments are welcome.
> > > > > >
> > > > > > Emily
> > > > > >
> > > > > > _______________________________________________
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> _______________________________________________
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> http://udig.refractions.net
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