[Geomoose-users] GM 2.0- tiling performance in county projections / is it possible to add a custom coordinate to the status bar while using UTM?

[Brent Fraser]

Mark,

  I haven't looked at the tiling so I can't comment on the performance issue.

  As for the coordinate display, I see that stock GeoMoose v2.0 now allows for three simultaneous coordinate displays:
	- projected X/Y
	- geographic Lat/Lon
	- USNG

  It would be nice if it was instead a flexible list of any number of reference systems that took lat/lon as input and returned a string to be displayed.  

  I'm interested in displaying Township/Range values for example, so I'd have to write the JavaScript to do the conversion, but it would be nice to be able to easily plug it in stock GeoMoose somewhere, similar to the way custom projections work in v1.6.1.

Brent Fraser

Mark Volz wrote:
> Hello,
> 
>  
> 
> Our users want to use county projections within our mapping 
> application.  In GM 1.6.1 We decided that there was only a minimal 
> performance hit for the LMIC WMS service(s) to reproject on the fly.  
> This is not true in GM 2.0.  GM 2.0 allows users the option of using a 
> tile scheme on the WMS layers.  I was impressed with the speed of the 
> WMS services on the demo.  Recently I ported the GM 2.0 demo over into 
> county projections.  I noticed there is a *huge *performance hit if 
> tiling is turned on.
> 
>  
> 
> This left me with a couple options:  1)  I can leave the tiling system 
> off, and the WMS performance would be similar to that of a 1.6 app.  2) 
> I can abandon the county projection in favor of utm so that I can use 
> tile cache and hope that no one complains too much that the map is no 
> longer in county coordinates.
> 
>  
> 
> Another thought I had is if I decided to use UTM (to take advantage of 
> tiling) would it be possible for me to display the XY location in county 
> coordinates?  If so, does anyone know what file(s) would need to be 
> modified so that I can display county coordinates in the status bar?
> 
>  
> 
> Thanks
> 
>  
> 
>  
> 
> Mark Volz
> 
> GIS Specialist
> 
> Lyon County, MN
> 
>  
> 
> 
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