[mapserver-users] Re: Font/Symbol size change with different MapServer

[thomas bonfort]

are your production and dev envirronments running the same mapserver
version? The scaling applied when resolution!=defresolution was
introduced in 5.6 I think.


--
thomas

On Thu, Apr 28, 2011 at 16:26, myOpenLayersUName
<joanne.mcgraw at sympatico.ca> wrote:
> Since you folks are usually so good on this forum, the lack of response to my
> previous reply suggests there is something wrong with my question. I'm
> guessing there's something about this that I just don't get which is
> glaringly obvious to anyone who knows anything about it. I'm hoping someone
> can help me understand what might be causing the discrepancy I am seeing
> between our two different environments and further, where to look to verify
> those differences exist.
>
> In the map file in question no DEFRESOLUTION is set; so, as I understand the
> documentation I have found, it defaults to 72. The RESOLUTION is set in the
> map file to 96. Since the DEFRESOLUTION and RESOLUTION are different, "the
> symbology in the layer definitions will be adjusted by a factor
> corresponding to RESOLUTION/DEFRESOLUTION. More specifically, this is done
> by multiplying the layer->scalefactor value by the resolution/defresolution
> ratio in msPrepareImage()." Finally, the documentation suggests that these
> parameters will affect size (for symbols and labels)...sure sounds like it's
> related to my problem.
>
> However, as the map file is the same on both machines (extracted directly
> from our source control), there has to be something different about the
> MapServer configuration itself that is causing the factor computed "by
> multiplying the layer->scalefactor value by the resolution/defresolution
> ratio" to come up with different values on the different machines and
> drawing the symbols and labels different sizes. Somewhere along the way,
> some value is being used that is different and I'm trying to identify what
> and where that might be so I can make sure they are the same.
>
> If any of this suggests that I have a completely wrong understanding of this
> stuff, please let me know where I can find a more detailed explanation. Or,
> if this is the wrong track, I'd appreciate being pointed in another
> direction. As it is at the moment, I'm completely stuck.
>
> Cheers,
> jtm
>
> --
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