[mapserver-users] quality of 8bit image in 6.0

[Richard Greenwood]

thomas,

It is perfect. Thank you very much.

Rich

On Mon, Nov 14, 2011 at 3:14 AM, thomas bonfort
<thomas.bonfort at gmail.com> wrote:
> should be fixed in r12767 and r12768, please confirm.
>
> regards,
> thomas
>
> On Sun, Nov 13, 2011 at 19:57, Richard Greenwood
> <richard.greenwood at gmail.com> wrote:
>> Steve,
>>
>> I put a small test set together at:
>>  http://www.greenwoodmap.com/mapserver-image-quality/test.zip
>> It has a shape file and two map files, one for mapserver 5 and another
>> for mapserver 6. There are a couple zoomed in mapext's in the comments
>> of the map5.map file so you can quickly get to a good location at a
>> couple representative scales.
>>
>> PNG8 produces a nice quality image which is about 1/2 the size of the
>> default 24bit but still 4x the size of the ugly GIF. The pretty GIF
>> produced by mapserver 5.6 is the same size as the ugly GIF created by
>> mapserver 6.0.
>>
>> Thanks!
>> Rich
>>
>> On Sun, Nov 13, 2011 at 10:08 AM, Lime, Steve D (DNR)
>> <Steve.Lime at state.mn.us> wrote:
>>> Rich: Any chance you could put together a test case? Also, have you tried IMAGETYPE PNG8?
>>>
>>> Steve
>>> ________________________________________
>>> From: mapserver-users-bounces at lists.osgeo.org [mapserver-users-bounces at lists.osgeo.org] on behalf of Richard Greenwood [richard.greenwood at gmail.com]
>>> Sent: Saturday, November 12, 2011 5:43 PM
>>> To: mapserver
>>> Subject: [mapserver-users] quality of 8bit image in 6.0
>>>
>>> I can not achieve the same quality of 8bit images in MapServer 6.0
>>> that I was able to in 5.6. I have links to 4 example images
>>>
>>> 1. MapServer 5.6 8bit gif, I like this and this is generally what I want:
>>> http://www.greenwoodmap.com/mapserver-image-quality/mapserv-5.6.gif
>>>
>>> 2. MapServer 6. 8bit gif. Kind of ragged, center line not in the
>>> middle of grey outlines.
>>> http://www.greenwoodmap.com/mapserver-image-quality/mapserv-6.0.1.gif
>>>
>>> 3. I submitted a related ticket 3962 which has been fixed (Thank you!)
>>> and the image is slightly better (compare  NW'ly edge of HWY 789 to
>>> above image)
>>> http://www.greenwoodmap.com/mapserver-image-quality/mapserv-6.0-ticket3962.gif
>>>
>>> 4. A 24bit png from MapServer 6.0. Beautiful, but 9x larger than the
>>> three above.
>>> http://www.greenwoodmap.com/mapserver-image-quality/mapserv-6.0.1.png
>>>
>>> I do not have an OUTPUTFORMAT block defined so I'm using default
>>> setting in 5.6 and 6.0. (I've fiddled with OUTPUTFORMAT but I
>>> generally seem to make things worse).
>>>
>>> Any suggestions would be greatly appreciated.
>>>
>>> Thanks,
>>> Rich
>>>
>>> --
>>> Richard Greenwood
>>> richard.greenwood at gmail.com
>>> www.greenwoodmap.com
>>> _______________________________________________
>>> mapserver-users mailing list
>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>
>>>
>>>
>>
>>
>>
>> --
>> Richard Greenwood
>> richard.greenwood at gmail.com
>> www.greenwoodmap.com
>> _______________________________________________
>> mapserver-users mailing list
>> mapserver-users at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>
>



-- 
Richard Greenwood
richard.greenwood at gmail.com
www.greenwoodmap.com