[Xastir] Black online maps

John Ronan jpronans at gmail.com
Thu Sep 3 10:44:49 EDT 2009


Tom (and everyone else as well I guess),

I brought the netbook to work (boss is out today) and followed the  
instructions in
http://www.xastir.org/wiki/index.php/HowTo:Ubuntu_9.04

the output from configure is
MINIMUM OPTIONS:
   ShapeLib (Vector maps) ................. : yes

RECOMMENDED OPTIONS:
   GraphicsMagick/ImageMagick (Raster maps) : yes (ImageMagick)
   pcre (Shapefile customization) ......... : yes
   dbfawk (Shapefile customization) ....... : yes
   rtree indexing (Shapefile speedups) .... : yes
   map caching (Raster map speedups) ...... : yes
   internet map retrieval ................. : yes (wget)

FOR THE ADVENTUROUS:
   AX25 (Linux Kernel I/O Drivers) ........ : yes
   libproj (USGS Topos & Aerial Photos) ... : yes
   GeoTiff (USGS Topos & Aerial Photos) ... : yes
   Festival (Text-to-speech) .............. : yes
   GDAL/OGR (Obtuse map formats) .......... : yes
   GPSMan/gpsmanshp (GPS downloads) ....... : yes

(Note ImageMagick, not GraphicsMagick in use).

The map I'm testing is
http://ireland.aprs2.net/xastir/IrelandMaps/Ireland1600x2000.bmp

And it's working perfectly.

Regards
de John
EI7IG

On 2 Sep 2009, at 22:54, Alex Carver wrote:

> --- On Wed, 9/2/09, Tom Hayward  wrote:
>>
>> I didn't mention this, but yes, I removed the
>> GraphicsMagick packages
>> before installing my build.
>
>
> Silly question:  Do you use the transparency feature in your .geo  
> files?  Use something like Gimp to see if the "black" is truly RGB 
> (0,0,0) or if it's something like RGB(1,1,1).  I had this happen a  
> few times with the RIDGE radar images from the NWS.  The "black"  
> wasn't really black anymore, it was just slightly above all zeros  
> causing the transparency to fail (I had transparency set to  
> 0x000000) and Xastir rendered the not-quite-black as is.  Once I  
> changed the transparency to match the "new black", it looked normal  
> again.
>
>
>
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