[ka-Map-users] precache2.php

[ramesh karra]

Thanks for the quick reply stephen!

Where can I find the fix? I just recently downloaded
the latest gd library 2.0.33 from libgd.org. Is the
fix  not part of this?

Thanks
Ramesh

--- Stephen Woodbridge <woodbri at swoodbridge.com>
wrote:

> Ramesh,
> 
> This is probably because there is a bug in libgd2
> for single pixel wide 
> antialiased lines the causes a segv. Steve Lime
> posted a online fix to 
> libgd2 if you want to get the source, patch and
> build it.
> 
> The reason you built the first two scales it likely
> because you did not 
> draw any antialiased 1 pixel lines.
> 
> -Steve W.
> 
> ramesh karra wrote:
> > Thanks for the response Lorenzo.
> > 
> > I have built the gd library and tried. This time I
> did
> > not get the same error but it coredumped while
> trying
> > to build the cache. It has successfully created
> cache
> > for first two scales and coredumped while trying
> to
> > create cache for the third scale.
> > 
> > Here is the output:
> > 
> >   Scale: 200000
> >     Meta tiles: 2 x 2 = 4
> >     Tiles: 2 x 2 x 5 x 5 = 100
> >     Group: __base__
> >   Scale: 100000
> >     Meta tiles: 2 x 2 = 4
> >     Tiles: 2 x 2 x 5 x 5 = 100
> >     Group: __base__
> >   Scale: 50000
> >     Meta tiles: 3 x 2 = 6
> >     Tiles: 3 x 2 x 5 x 5 = 150
> >     Group: __base__
> > Segmentation fault (core dumped)
> > 
> > 
> > The stack trace of php using the gdb is:
> > 
> > #0  0x002ff342 in gdImageSetAAPixelColor
> > (im=0x85e21b0, x=1961, y=2080, 
> >     color=-200, t=255) at gd.c:3055
> > #1  0x002ff4c4 in gdImageAALine (im=0x85e21b0,
> > x1=1945, y1=2077, x2=1961, 
> >     y2=2079, col=13158600) at gd.c:3098
> > #2  0x002fc186 in gdImageLine (im=0x85e21b0,
> x1=1969,
> > y1=2080, x2=1945, 
> >     y2=2077, color=-7) at gd.c:965
> > #3  0x00abbdcc in msImageLoadGD () from
> > /opt/php_mapscript.so
> > #4  0x00ac0c9c in msDrawShadeSymbolGD () from
> > /opt/php_mapscript.so
> > #5  0x00ab9a30 in msDrawShadeSymbol () from
> > /opt/php_mapscript.so
> > #6  0x00ab86e1 in msDrawShape () from
> > /opt/php_mapscript.so
> > #7  0x00ab6cbe in msDrawVectorLayer () from
> > /opt/php_mapscript.so
> > #8  0x00ab67fe in msDrawLayer () from
> > /opt/php_mapscript.so
> > #9  0x00ab5d8b in msDrawMap () from
> > /opt/php_mapscript.so #10 0x00a7d8fb in
> mapObj_draw ()
> > from /opt/php_mapscript.so
> > #11 0x00a6d609 in php3_ms_map_draw () from
> > /opt/php_mapscript.so
> > #12 0x08130406 in execute (op_array=0x83422fc)
> >     at /opt/php-4.4.2/Zend/zend_execute.c:1675
> > #13 0x08123cb7 in zend_execute_scripts (type=8,
> > retval=0x0, file_count=3)
> >     at /opt/php-4.4.2/Zend/zend.c:934
> > #14 0x08100b9f in php_execute_script
> > (primary_file=0xbfff94b0)
> >     at /opt/php-4.4.2/main/main.c:1753
> > #15 0x08134370 in main (argc=6, argv=0xbfff9574)
> >     at /opt/php-4.4.2/sapi/cli/php_cli.c:830
> > 
> > 
> > Any ideas on what's the problem here?
> > 
> > Thanks
> > Ramesh
> > 
> > --- Lorenzo Becchi <lorenzo at ominiverdi.com> wrote:
> > 
> >> Hi Ramesh,
> >> are you sure the path to DG lib is well written
> in
> >> include/config.php ?
> >> is your ka-map working properly accessing from
> the
> >> web server?
> >> if not, what's the output accessing your init.php
> >> from the web?
> >> and which one with tile.php?
> >>
> >> this are important points.
> >>
> >> ciao
> >> Lorenzo
> >> _______________________________________________
> >> ka-Map-users mailing list
> >> ka-Map-users at lists.maptools.org
> >>
> >
>
http://lists.maptools.org/mailman/listinfo/ka-map-users
> > 
> > 
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> > 
> 
> 


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