Robert Norris writes:
> The projection is done based on the zone at the center position.
>
> The zone is for the east<->west, whereas the designation letter is the
> latitude band, being 8 degrees wide, which Viking currently shows as part of
> the UTM readout.
>
> This use of the from screen p
> If the screen projection really is UTM, then it is in some zone as
> determined somehow, arguably best by the proper zone for the central
> point. This lets you convert lat/lon to UTM even if you end up in the
> wrong zone. Most conversion code lets you force the zone, as opposed to
> finding o
Robert Norris writes:
> I don't think Viking is used much in UTM as a general purpose viewer -
> since there aren't many if any tile sources in UTM projections. More
> typical is probably using a GeoRef layer to view an existing map image
> (this is the way I use it in order to test it's working)
>I would like to ask a question regarding calculation of UTM letter in
>vikviewport.c/vik_viewport_screen_to_coord() >function.
>However the code doesn't seem to consider a case where the input screen
>position may be located in another >latitude band. The band letter in
>resulting utm variable
Hello,
I would like to ask a question regarding calculation of UTM letter in
vikviewport.c/vik_viewport_screen_to_coord() function.
The following code is recognizing a possibility that input screen position
passed as function's argument may be located in neighbouring UTM zone,
therefore a zone_de