[mapguide-users] Printing Shortcomings Especially Legend Rendering

[Gary Morin]

I would also echo the same, although we have not started development of
the enhanced plotting yet, it is something we have scheduled to do. I
wonder just how many intend to do similar thing.

Gary


-----Original Message-----
From: mapguide-users-bounces at lists.osgeo.org
[mailto:mapguide-users-bounces at lists.osgeo.org] On Behalf Of Keith
Campbell
Sent: 09 May 2008 09:26
To: mapguide-users at lists.osgeo.org
Subject: Re: [mapguide-users] Printing Shortcomings Especially Legend
Rendering


Thanks Kenneth, I appreciate the situation with IPR.

I too am looking at developing a replacement for the current printing
facilites. It seems to me much of the work required must already be in the
source code,and a few tweaks to it would improve the current situation at
least

Keith


Kenneth, GEOGRAF A/S wrote:
> 
> I have taken the long way, and implemented a decent legend generator in
> C#.
> Unfortunately I cannot give it away, as it belongs yo my employer.
> It works by imitating the legend control in the basic viewer, and 
> fetches each of the little preview items.
> It does scale checking and more for the layers.
> Once all have been retrieved, it builds a single png with a sane layout 
> (ea. no empty groups etc).
> 
> It would be nice if there was such a method in MapGuide, especially if 
> it was also possible to display legend items for features that were 
> actually visible in the map.
> ea.: if the "Lakes" layer is on, but I have zoomed in on a building with

> no lake in sight, it should not display "Lakes" in the legend.
> 
> As for general printing, I have also taken the long way and created a 
> full upscaling function that can upscale a map's components to fit a 
> larger resolution.
> I use this for generating high quality PDF files. As before, it belongs 
> to my employer.
> Again, it would be nice if this was avalible in MapGuide (both 
> upscaling, as well as PDF generation).
> 
> Regards, Kenneth Skovhede, GEOGRAF A/S
> 
> 
> 
> Keith Campbell skrev:
>> The quality of print output has been talked about before. I'm
>> investigating
>> what options there are to improve this.
>> Perhaps the main issue is the legend output. With both the AJAX and DWF
>> viewer, the legend is rendered with layers set to not display in the
>> legend
>> included, and Group headings included even if these are don't include
any
>> visible layers. Besides looking rather messy, this behaviour also means
>> that
>> a complex map with many layers/groups soon overflows the legend area.
>> The API only sems to have one method dealing with the legend,
>> RenderMapLegend, and this seems to be the call that produces the
>> behaviour
>> already described. There doesn't seem to be any methods that allow
>> greater
>> control.
>> I'd be interested to hear from others on how they may have overcome
these
>> problems.
>>
>> Keith
>>   
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> 
> 

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