[ka-Map-users] Help, I can't figure this out

Paul Spencer pspencer at dmsolutions.ca
Tue Jun 6 14:43:00 EDT 2006


PNG24 is not quantized normally.  I thought I added a 'dithered'  
entry to that list which would be the same as your png8.  You can  
easily extend the case statements with your own case though.

Cheers

Paul

On 6-Jun-06, at 2:15 PM, Stephen Woodbridge wrote:

> The problem is that the two images are from the SAME mapfile!
>
> OK, I see the problem. the config.dist.php you now have a bunch of  
> image format stuff. I have been using PNG8 as defined below and not  
> PNG24, but they is no PNG8 block in the case statement. Do I need  
> to add something for PNG8 or is the PNG24 configured the same way  
> as my PNG8?
>
> -Steve
>
> MAP
>   NAME "Googlesque"
>   EXTENT  -160 15 -60 75
>   SIZE 400 250
>   SHAPEPATH "/u/data/map-data/"
>   SYMBOLSET "./symbols/symbolset_nt_36.sym"
>   FONTSET "./fonts/fonts.list"
>   IMAGECOLOR 153 179 204
>   UNITS DD
>
>   OUTPUTFORMAT
>     NAME PNG8
>     DRIVER "GD/PNG"
>     EXTENSION "png"
>     MIMETYPE "image/png"
>     IMAGEMODE RGBA
>     TRANSPARENT OFF
>     FORMATOPTION "QUANTIZE_FORCE=ON"
>     FORMATOPTION "QUANTIZE_DITHER=ON"
>     FORMATOPTION "QUANTIZE_COLORS=256"
>   END
>
>
>
> Paul Spencer wrote:
>> Yikes!  That is horrible.  I do note, however, that the file sizes  
>> are substantially different.  Did you forget to use PNG24 in your  
>> config file?  This is required for antialiased lines.
>> Cheers
>> Paul
>> On 6-Jun-06, at 12:31 PM, Stephen Woodbridge wrote:
>>> I'm trying to upgraded to a new version of ka-map cvs and my maps  
>>> look horrible. See attached bad.png and good.png. I was running  
>>> ka-map_20060208 and I have installed yesterdays cvs.
>>>
>>> 1) Same server, same software, same mapfile
>>> 2) Directorys are
>>>    /u/www/ka-map                <- old
>>>    /u/www/include/config.php    <- old
>>>    /u/tile-cache/mapfile        <- old
>>>
>>>    /u/www/t/ka-map              <- new
>>>    /u/www/t/include/config.php  <- new
>>>    /u/tile-cache/mapfile2       <- new
>>>
>>> 3) I diff'ed tile.php and the only non-comment changes are:
>>>
>>> swoodbridge at tile01:/u/www$ diff -w ka-map/tile.php t/ka-map/tile.php
>>> 68,70d35
>>> < /* bug 1253 - root permissions required to delete cached files */
>>> < $orig_umask = umask(0);
>>> <
>>> 215c180
>>> < //            $oMap->outputformat->set("transparent", MS_ON );
>>> ---
>>> >             $oMap->outputformat->set("transparent", MS_ON );
>>> 242c207
>>> < //                    imagecolortransparent( $oTile, 
>>> $nTransparent);
>>> ---
>>> >                     imagecolortransparent( $oTile,$nTransparent);
>>> 293,296d257
>>> <
>>> < /* bug 1253 - root permissions required to delete cached files */
>>> < umask($orig_umask);
>>> <
>>>
>>> 4) I tried commenting out the lines above but not change.
>>>
>>> The symptoms are that the image is not anti-aliased and the wide  
>>> roads look like they have nicks in them.
>>>
>>> Has anyone run into this? Any ideas? I have gone through my list  
>>> of differential diagnosis and come up empty. My intuition thinks  
>>> this is a php/mapscript issue except I'm pretty sure that the two  
>>> ka-map instances are running the same version since this is a  
>>> pretty clean system and does not have any other versions hanging  
>>> around.
>>>
>>> System files that might come into play from "locate php4":
>>>
>>> /etc/apache2/mods-available/php4.conf
>>> /etc/apache2/mods-available/php4.load
>>> /etc/apache2/mods-enabled/php4.conf
>>> /etc/apache2/mods-enabled/php4.load
>>> /etc/cron.d/php4
>>> /etc/php4
>>> /etc/php4/apache2
>>> /etc/php4/apache2/php.ini
>>> /etc/php4/cgi
>>> /etc/php4/cgi/php.ini
>>> /etc/php4/cli
>>> /etc/php4/cli/php.ini
>>> /usr/bin/php4
>>> /usr/bin/php4-cgi
>>> /usr/lib/apache2/modules/libphp4.so
>>> /usr/lib/cgi-bin/php4
>>> /usr/lib/php4
>>> /usr/lib/php4/20020429
>>> /usr/lib/php4/20020429/gd.so
>>> /usr/lib/php4/20020429/php_mapscript.so
>>> /usr/lib/php4/libexec
>>> /usr/lib/php4/maxlifetime
>>> <bad.png>
>>> <good.png>
>>> _______________________________________________
>>> ka-Map-users mailing list
>>> ka-Map-users at lists.maptools.org
>>> http://lists.maptools.org/mailman/listinfo/ka-map-users
>> +-----------------------------------------------------------------+
>> |Paul Spencer                           pspencer at dmsolutions.ca   |
>> +-----------------------------------------------------------------+
>> |Applications & Software Development                              |
>> |DM Solutions Group Inc                 http://www.dmsolutions.ca/|
>> +-----------------------------------------------------------------+
>

+-----------------------------------------------------------------+
|Paul Spencer                           pspencer at dmsolutions.ca   |
+-----------------------------------------------------------------+
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+






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