[mapserver-users] Hindi and Thai text rendering (thomas bonfort)
Peter Mallen
peter.mallen at airborne.aero
Mon Dec 17 08:57:33 PST 2012
Hi Thomas,
I believe we are using fribidi but I am not sure which version, I will
look further into this and report back to with my findings.
Thank You,
Peter Mallen
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Today's Topics:
1. Re: Hindi and Thai text rendering (thomas bonfort)
2. [TinyOWS] TinyOWS 1.1.0 and the old good axis order trouble
(Rahkonen Jukka)
3. Re: Raster color table (Daniel Morissette)
4. Problem with Transparency and IMAGECOLOR (Johannes Weskamm)
5. JPEG and OVERSAMPLE_RATIO (C?dric MOULLET)
6. Re: JPEG and OVERSAMPLE_RATIO (C?dric MOULLET)
----------------------------------------------------------------------
Message: 1
Date: Mon, 17 Dec 2012 09:47:46 +0100
From: thomas bonfort <thomas.bonfort at gmail.com>
To: MapserverList OSGEO <mapserver-users at lists.osgeo.org>
Subject: Re: [mapserver-users] Hindi and Thai text rendering
Message-ID:
<CAOM3y2ioSSDh2dcrNTqeUrHCOjdh42W2VWUnb3q0fzq5p2dS5A at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
On Mon, Dec 17, 2012 at 9:45 AM, thomas bonfort
<thomas.bonfort at gmail.com>wrote:
> Peter,
> We don't do any shaping directly inside mapserver, but rely on the
> fribidi library to do that for us. Your mapfile definitions are
> correct to activate this (i.e. it includes an LABEL.ENCODING
parameter).
> I'll leave it up to you to confirm that the image sample I sent you is
> correct or not. If so, check that you have configured your mapserver
> with fribidi enabled and uptodate (the supplied image was rendered
with 0.19.2 .
> some stable distros use a very outdated fribidi version, so you might
> need to upgrade manually) . If not, you can try with a bleeding edge
> fribidi
> (0.19.5 was released a few days ago), and/or report the issue or find
> help from the fribidi project directly.
>
> please report back with your findings.
>
> regards,
> thomas
>
>
> On Sun, Dec 16, 2012 at 2:31 AM, Peter Mallen
<peter.mallen at airborne.aero>wrote:
>
>> **
>>
>> Hi Thomas,
>>
>> Here is a link to a png Image I have created of using the simple Map
>> File I provided in the previous postings, this is exactly how the
>> Hindi text is rendering in Map Server:
>> http://www.maplusplus.com/images/Hindi_Incorrect.png
>>
>> It is appearing incorrectly and should appear as shown in this link
>> to Google Translate:
>> http://tinyurl.com/cqlymgy
>>
>> I am not sure if the Hindi you have provided is displaying correctly,
>> although it appears to be similar to what I looked up in Google
Translate.
>>
>>
>> Thank You for your help,
>>
>> Peter Mallen
>>
>>
>>
>> -----Original Message-----
>> From: thomas bonfort
>> [mailto:thomas.bonfort at gmail.com<thomas.bonfort at gmail.com>
>> ]
>> Sent: Sat 12/15/2012 10:36 AM
>> To: Peter Mallen
>> Cc: MapserverList OSGEO
>> Subject: Re: [mapserver-users] Hindi and Thai text rendering
>>
>> Peter,
>> You don't provide the rendering that mapserver is producing, so it's
>> difficult to compare. Is this rendering correct:
>>
http://osm.terriscope.fr/mapcache/tms/1.0.0/mapserver@g/15/23400/19085.p
ng?
>>
>> --
>> thomas
>>
>>
>> On Sat, Dec 15, 2012 at 12:59 AM, Peter Mallen
>> <peter.mallen at airborne.aero>wrote:
>>
>> > Hello Everyone,
>> >
>> > I apologize for my previous posts as my url appears to have been
>> > too long, I have converted the link to a tiny url:
>> > http://tinyurl.com/cqlymgy
>> >
>> > As a reminder, this is a link showing how the Hindi characters
>> > should display.
>> >
>> > Thank You Again,
>> >
>> > Peter Mallen
>> >
>> >
>>
>
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Message: 2
Date: Mon, 17 Dec 2012 10:16:06 +0000
From: Rahkonen Jukka <Jukka.Rahkonen at mmmtike.fi>
To: "'Mapserver-Users (mapserver-users at lists.osgeo.org)'"
<mapserver-users at lists.osgeo.org>
Subject: [mapserver-users] [TinyOWS] TinyOWS 1.1.0 and the old good
axis order trouble
Message-ID:
<84446DEF76453C439E9E97E438E13A637C184B at suutari.haapa.mmm.fi>
Content-Type: text/plain; charset="us-ascii"
Hi,
I have been running TinyOWS r558 for quite a long time because it is
dealing almost right with the axis order of the projections I am
commonly using. Now I had a fast try with the current TinyOWS 1.1.0
version but unfortunately I realized that it is doing wrong thing by
flipping the axis with urn:ogc:def:crs:EPSG::3067. That system is
officially an Easting-Northing system and axis should not be flipped
ever. Also, TinyOWS does not flip the axes with
urn:ogc:def:crs:EPSG::2393 which is officially a Northing-Easting system
and axis should be flipped with WFS 1.1.0
I can see that TinyOWS is flipping the axis with WFS 1.1.0 if I I give
srsName=urn:ogc:def:crs:EPSG::3067 or if I do not give it at all, which
means the same because the uri-format is the default srsName. Axis
order is correct if I give it as srsName=EPSG:3067. With EPSG:2393 axis
are not flipped with either srsName format. What should be done next is
to flip the behaviours of 2393 and 3067.
What is the logic that TinyOWS is using when it decides whether the axis
should be flipped or not for WFS 1.1.0? Can I manipulate TinyOWS
somehow myself to behave in a correct way with EPSG:2393 and EPSG:3067
by editing something in the PostGIS or in TinyOWS sources? Another
question is that is it guaranteed that axis order is handled similarly
everywhere, also in filters? I mean that can I trust that once TinyOWS
someday will again send urn:ogc:def:crs:EPSG::2393 data as
Northing-Easting with WFS 1.1.0 it will then also treat the GML3 filters
so that is knows that first comes Northing and then Easting? Does the
srsName format have the same meaning if filters, so that if short
srsName is used then axis order is always Easting-Northing or lon-lat,
but when the uri format is used then TinyOWS is trying to check the
official axis with WFS 1.1.0?
-Jukka Rahkonen-
------------------------------
Message: 3
Date: Mon, 17 Dec 2012 08:03:04 -0500
From: Daniel Morissette <dmorissette at mapgears.com>
To: mapserver-users at lists.osgeo.org
Subject: Re: [mapserver-users] Raster color table
Message-ID: <50CF1808.2090301 at mapgears.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
On 12-12-14 5:52 PM, ALT SHN wrote:
> Hi,
>
> Is there a way to associate a color table to a 8bit raster so
> Mapserver doesn't render it in grayscale?
> In the Mapserver documentation, a pallete is refered, but for what I
> understood, this applies to the output format, not to a particular
raster.
>
> Is there a workarround for this situation? (other than converting the
> raster to RGB)
>
You could create a GDAL VRT file for your image in which you associate a
color table to the raster band, and then point your MapServer layer
definition to the VRT.
See:
http://trac.osgeo.org/gdal/wiki/FAQRaster#Howtocreateormodifyanimagecolo
rtable
and
http://www.gdal.org/gdal_vrttut.html
--
Daniel Morissette
http://www.mapgears.com/
Provider of Professional MapServer Support since 2000
------------------------------
Message: 4
Date: Mon, 17 Dec 2012 14:15:50 +0100
From: Johannes Weskamm <weskamm at terrestris.de>
To: mapserver-users at lists.osgeo.org
Subject: [mapserver-users] Problem with Transparency and IMAGECOLOR
Message-ID: <50CF1B06.2060902 at terrestris.de>
Content-Type: text/plain; charset="iso-8859-15"; Format="flowed"
Hi,
I have a question regarding the transparency of my mapfile together with
mapserver 6.2.
The documentation tells me, that using the Parameter IMAGECOLOR together
with TRANSPARENT ON in OUTPUTFORMAT, the resulting image of a wms
request should have the defined color transparent.
I tried different approaches but none of them work.
So here is an example of my layer:
LAYER
TYPE POLYGON
STATUS ON
GROUP "default"
NAME "land"
PROJECTION
"init=epsg:900913"
END
DATA "../shapefiles/test"
CLASS
STYLE
COLOR 255 255 0
END
END
END
The relevant Map parameters:
OUTPUTFORMAT
NAME 'test'
DRIVER GD/PNG
IMAGEMODE PC256
FORMATOPTION "INTERLACE=false"
TRANSPARENT ON
END
IMAGECOLOR 255 255 0
I also tried agg/png drivers together with IMAGEMODE RGBA, but all
combinations give me a yellow, non transparent response (i request the
layer with transparent=true and image/png as format).
Can anyone give me an advice what i am doing wrong, or is this a bug?
Thanks,
J. Weskamm
--
Dipl.-Geogr. Johannes Weskamm
--- Anwendungsentwickler ---
terrestris GmbH & Co. KG
P?tzchens Chaussee 56
53227 Bonn
Tel: +49 (0)228 / 96 28 99 -555
Fax: +49 (0)228 / 96 28 99 -57
Email: weskamm at terrestris.de <mailto:weskamm at terrestris.de>
Web: http://www.terrestris.de
Amtsgericht Bonn, HRA 6835
Komplement?rin: terrestris Verwaltungsgesellschaft mbH
vertreten durch: Hinrich Paulsen, Till Adams
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Message: 5
Date: Mon, 17 Dec 2012 16:11:34 +0100
From: C?dric MOULLET <cedric.moullet at gmail.com>
To: mapserver-users <mapserver-users at lists.osgeo.org>
Subject: [mapserver-users] JPEG and OVERSAMPLE_RATIO
Message-ID:
<CABcS5EGLJ8AH8RkePizLvTuRz0kNtWie-ChXLLZU8qCYPQRqpw at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Hi,
The following issue has been observed with MapServer 6.0.3:
1. Very good quality for a PNG with RESAMPLE=BILINEAR and
OVERSAMPLE_RATIO=16:
[image:
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_bazl&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMa
p&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&HE
IGHT=256]
2. Less good quality for a PNG or JPEG with default resampling settings:
[image:
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_original&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=G
etMap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=25
6&HEIGHT=256]
3. Awful quality for JPEG with RESAMPLE=BILINEAR and
OVERSAMPLE_RATIO=16:
[image:
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_bazl&FORMAT=image%2Fjpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetM
ap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&H
EIGHT=256]
Any idea why the OVERSAMPLE_RATIO affects heavily the quality of JPEG
images ?
Thanks in advance for your help,
C?dric
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Message: 6
Date: Mon, 17 Dec 2012 16:18:00 +0100
From: C?dric MOULLET <cedric.moullet at gmail.com>
To: mapserver-users <mapserver-users at lists.osgeo.org>
Subject: Re: [mapserver-users] JPEG and OVERSAMPLE_RATIO
Message-ID:
<CABcS5EHGj8GCtCfG9TqBQ9vt4iW2W3c9u4LtX7VOmEZeSLu1Ew at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
I realize that links have been sent and not pictures
Here are reachable links for the three cases:
1.
https://picasaweb.google.com/lh/photo/j_OClw5fGOeQE7K1wiimytMTjNZETYmyPJ
y0liipFm0?feat=directlink
2.
https://picasaweb.google.com/lh/photo/3q52h52EwOp9JzZm3KAWbNMTjNZETYmyPJ
y0liipFm0?feat=directlink
3.
https://picasaweb.google.com/lh/photo/GTAThw7AOVMK-j-7DWAabtMTjNZETYmyPJ
y0liipFm0?feat=directlink
C?dric
On Mon, Dec 17, 2012 at 4:11 PM, C?dric MOULLET
<cedric.moullet at gmail.com>wrote:
> Hi,
> The following issue has been observed with MapServer 6.0.3:
>
> 1. Very good quality for a PNG with RESAMPLE=BILINEAR and
> OVERSAMPLE_RATIO=16:
> [image:
>
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_bazl&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMa
p&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&HE
IGHT=256]
>
> 2. Less good quality for a PNG or JPEG with default resampling
settings:
> [image:
>
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_original&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=G
etMap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=25
6&HEIGHT=256]
>
> 3. Awful quality for JPEG with RESAMPLE=BILINEAR and
OVERSAMPLE_RATIO=16:
> [image:
>
http://wms-bgdi.bgdi.admin.ch/?lang=xx&LAYERS=ch.swisstopo.pixelkarte-gr
au-pk100_bazl&FORMAT=image%2Fjpeg&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetM
ap&STYLES=&SRS=EPSG%3A21781&BBOX=513184,143152,519840,149808&WIDTH=256&H
EIGHT=256]
>
> Any idea why the OVERSAMPLE_RATIO affects heavily the quality of JPEG
> images ?
>
> Thanks in advance for your help,
> C?dric
>
--
Political blog: http://cedricmoullet.blogspot.com/
Welcome to my world: http://www.cedricmoullet.com/
My Linked In profile: http://www.linkedin.com/in/cedricmoullet
Twitter: http://twitter.com/cedricmoullet
Home sweet home:
http://map.geo.admin.ch/?crosshair=bowl&zoom=11&X=185241.24219&Y=561288.
90625&bgOpacity=0&selectedNode=node_ch.swisstopo.fixpunkte-lage1
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