[mapserver-users] SVG, PDF and Flash output in MapServer 6.0.

[Yewondwossen Assefa]

  On 10/09/2010 4:08 PM, Andreas Neumann wrote:
> Hi,
>
> Thank you for your information on future plans about output based on 
> Cairo.
>
> Regarding the SVG support, my main concern is that if the output goes 
> through Cairo than there is no chance of adding attributes and 
> semantics to the vector features in SVG - am I correct? In SVG one 
> could f.e. embed title and description elements, as well as non-graphical 

  That is correct from what I can see.
> attributes in a separate namespace in the XML output. Now that SVG 
> support will be widespread in all browsers (IE9 will be implementing 
> SVG), I would assume that people would make more use of SVG output, 
> also for interactive maps. In this setup it would be nice if one could 
> have the option between a pure graphical output (probably the CAIRO 
> output version) and a more semantically rich output (a separate output 
> driver?) I would recommend to go with Cairo, but leave the door open 
> for another, alternative output driver for more sophisticated SVG output.
>
  I agree with you that we would have more control on what we can output 
if we have a native MapServer svg driver.  I think adding a native SVG 
driver will always possible baring in mind that there is enough 
need/interest to add it and support it in the long term

Thanks for your feedback.

regards,


> Regarding SWF: it would be better if Flash would die in the long run - 
> it is not part of the open web and a black box. All browser project 
> now seem committed to implement SVG and canvas. So I myself wouldn't 
> care if you would drop SWF support. Other users may think different.
>
> Just my two cents,
> Andreas
>
> On 9/10/10 5:09 PM, Yewondwossen Assefa wrote:
>> Hi all,
>>
>>  The Dev team is reviewing and preparing for the 6.0 MapServer 
>> release [1][2].   There are significant changes and new features in 
>> this release. One of them is the rendering overhaul. The reasons 
>> behind is to facilitate the long term maintenance and make sure that 
>> all the output formats are in sync feature-wise.
>> Currently output drivers such as svg, pdf and flash lag in 
>> functionality and supported features compare to the AGG/GD output.
>> As part of  this re-factoring, the Cairo library [3] will be added 
>> allowing SVG and PDF outputs to pass through this library.  This 
>> would deprecate the current support of native svg and pdf in MapServer.
>>
>> The other renderer that is affected is the SWF (Flash) renderer: at 
>> this point there is no effort to bring this output feature to the 
>> level of other renderers. This means that there is a big chance that 
>> the SWF support will not be part of the 6.0 release (unless someone 
>> wants to fund it).  Is this something that affects lots/some users?
>>
>> best regards,
>>
>>
>> [1] http://trac.osgeo.org/mapserver/wiki/60ReleasePlan
>> [2] http://trac.osgeo.org/mapserver/wiki/60MigrationIssues
>> [3] http://cairographics.org/
>>
>>
>> *
>> *
>> -- 
>> ----------------------------------------------------------------
>> Assefa Yewondwossen
>> Software Analyst
>>
>> Email:yassefa at dmsolutions.ca
>> http://www.dmsolutions.ca/
>>
>> Phone: (613) 565-5056 (ext 14)
>> Fax:   (613) 565-0925
>> ----------------------------------------------------------------
>>
>>
>>
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>
>
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-- 
----------------------------------------------------------------
Assefa Yewondwossen
Software Analyst

Email: yassefa at dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
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