[OpenLayers-Users] pixel units to lat/lon units & nexrad

[bwoodall]

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On Wed, 2008-06-04 at 14:35 -0700, Scott Baker wrote:
> Guess I got that one totally wrong (I'm very new to all this)
> 
> I had looked at those posts - but they still show just a single TMS 
> layer - not TMS and WMS combined. The bit I was looking for was an 
> example of using a TMS on top of a WMS layer - for example - say a small 
> custom raster map (not of the whole world) split into TMS tiles that 
> should sit at a certain spot on a world basemap. I'd still love to see 
> an example of that if you know of any.
> 
> As for the popper prep of data for serving and mapserver speed - yes the 
> data probably could be much better - I'd just doing my best trying to 
> learn way more about GIS and these systems then I ever intended to do 
> :)  It's all converted to shapefiles and only 2 TIFs - large shapefiles 
> are split into tiles, everything has tile indexes, limits for various 
> layers by scale, and all the unused data has been stripped out - but I'm 
> really just fumbling to make it work - that said there are 27 layers 
> (about 8GB) of data I need to combine into a nice map - I was happy I 
> got it to work at all :)
> 
> PS: Please don't get me wrong - I hope that last email didn't come 
> across as being angry or negative about OL or this group (email 
> sometimes comes across that way even when not intended) - I was just 
> trying to help someone with seemingly the same problem.
> 
> There is an immense amount of knowledge built up inside many of the 
> people here - I am truly in awe of how much people know about all this 
> stuff - I think there are a lot of us just trying to catch up enough to 
> get something to work - please bear with our/my ignorance.  For example 
> suggesting writing another tool to do something like what gdal2tiles 
> does - I wouldn't ever even think of embarking upon a task like that 
> until I finally manage, for example, to wrap my head around how a 
> bounding box can be specified using metres instead of Lat/Long for units 
> (still stumps me - and yes I have read the posts about it)  

> "@^# it jim, 
> I'm a programmer not a cartographer!" ;)
> 
   ^^^ love that part!  :)

..... Bill,