[mapguide-internals] Raster Quality and Stability - RFC and Funding

[Zac Spitzer]

Hi Crispin,

this is a great idea, is the intention to just expose more of
the existing core GDAL functionality, or to add additional
support atop GDAL in the mapguide codebase?

As part of this effort, it would be good to author a detailed
raster sample set which uses a range of raster datasources,
like topographic, dem and satellite which some vector as
well which is large enough for proper testing which we can
then also use for benchmarking.

Would this RFC involve adding a range of options to the layer definition?

z

On Thu, Aug 11, 2011 at 6:28 AM, Crispin_at_Linknode
<crispin.hoult at linknode.co.uk> wrote:
> All,
>
> I have been in discussion with Trevor at OTX systems regarding improvements
> to the raster image quality from the GDAL provider.  As you will know, the
> interpolation/resampling used by the existing implementation of
> GDAL/FDO/MapGuide for imagery leaves something to be desired in delivery.
> This is especially true for topographic maps with horizontal/vertical grid
> lines and with text on a white background - where the absence of a raster
> line can lead to unconsistent and ugly map images on pan and zoom.
>
> The initial assessment of investment is out of my budget, but with a core
> of, say, less than 10 partners contributing between 1000 and 1500 USD this
> could easily happen.  Raster quality is one of the last differentiators
> between MapGuide and some of the other solutions out there to deliver a
> comprehensive base mapping platform.
>
> Though this RFC would be designed to address resampling/quality, it is also
> hoped that with a comprehensive code review multi-threading performance may
> also be addressed.
>
> I am aware the MapGuide OSGeo community has been somewhat down this road
> before so (as I am under new ownership!) I am prepared to put my £$ where my
> mouth is by funding RFC documentation write-up... but only if there is a
> valid interest that will ensure that (on RFC aceptance) the project has
> funding to progress to completion.
>
> I look forward to your thoughts and opinions on this topic.
>
>  Regards - Crispin
> http://www.linknode.co.uk/
>
>
> --
> View this message in context: http://osgeo-org.1803224.n2.nabble.com/Raster-Quality-and-Stability-RFC-and-Funding-tp6674026p6674026.html
> Sent from the MapGuide Internals mailing list archive at Nabble.com.
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-- 
Zac Spitzer
Solution Architect / Director
Ennoble Consultancy Australia
http://www.ennoble.com.au
http://zacster.blogspot.com
+61 405 847 168