[Xastir] Unable to open GeoTiff.

[jd at jdwallace.com]

Can you help with the usage for mapfdg.pl? There is no output when I use it and no FGD is created.

JD

On Feb 23, 2011, at 7:47 AM, Tom Russo wrote:

> On Tue, Feb 22, 2011 at 10:32:01PM -0800, we recorded a bogon-computron collision of the <curt.we7u at gmail.com> flavor, containing:
>> On Tue, 22 Feb 2011, jd at jdwallace.com wrote:
>> 
>>> I've built Xastir 2.0.1 on Ubuntu 10.10 using the install steps from http://www.xastir.org/wiki/HowTo:Ubuntu_10.10.
>>> 
>>> So far the only offline maps I've been able to display are Green Trails maps that were converted from Ozi to .geo. I would really like to use the DRG maps from http://rocky.ess.washington.edu/data/raster/drg/index.html but I am having no luck.
>>> 
>>> Should these maps work? Is any processing required to get them into a usable format?
>> 
>> As long as they are the raw USGS DRG's, and not the MrSID-compressed versions, you should be fine.  You'll need the .tif and the .fgd files only.
>> 
>> For this you'll need tif, geotiff, and proj4 libraries, installed in the proper order (geotiff must be built with proj4 support).
>> 
>> I don't know if the Ubuntu instructions give you a working geotiff installation.  I'm using OpenSuSE.  Check the "INSTALL" file that comes with Xastir for more details on the library installs for geotiff.
> 
> Yes, the Ubuntu wiki instructions give working GeoTIFF, as well as properly
> built proj.4 libraries (because the official debian and ubuntu repositories 
> continue to provide a broken one). 
> 
> The images on that site are all regular GeoTIFF images with no proprietary
> compression, and should work in Xastir.  
> 
> The one I downloaded and checked had no associated FGD file that Xastir uses 
> for collar clipping, but because the standard USGS naming scheme has been 
> retained, one could generate the four lines of the FGD file that Xastir 
> actually cares about using the mapfgd.pl script (look in /usr/local/lib/xastir/ 
> for it).  Without the FGD file you'll not get the map collars clipped off, but 
> the files should still display.
> 
> What problem are you having?
> 
> -- 
> Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
> Tijeras, NM  QRPL#1592 K2#398  SOC#236        http://kevan.org/brain.cgi?DDTNM
> "The truth will set you free, but first it will piss you off."
> 
> 
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