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Re: [udig-devel] Legend

> 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.

Thank you.

If you want to chat about the novalue part, I am with you.
I solved that one by setting the value in the raster styl editor. One
can define what should be ignore as a novalue.
I have found novalues being mostly -9999 and Float.NaN is I remember correctly.

cheers,
Andrea

>
> 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
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> User-friendly Desktop Internet GIS (uDig)
>>>>>>> http://udig.refractions.net
>>>>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>>>>>
>>>>>> _______________________________________________
>>>>>> User-friendly Desktop Internet GIS (uDig)
>>>>>> http://udig.refractions.net
>>>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>>>>
>>>>>
>>>> _______________________________________________
>>>> User-friendly Desktop Internet GIS (uDig)
>>>> http://udig.refractions.net
>>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>>>
>>> _______________________________________________
>>> User-friendly Desktop Internet GIS (uDig)
>>> http://udig.refractions.net
>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>
>> _______________________________________________
>> User-friendly Desktop Internet GIS (uDig)
>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
>>
> _______________________________________________
> User-friendly Desktop Internet GIS (uDig)
> http://udig.refractions.net
> http://lists.refractions.net/mailman/listinfo/udig-devel


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