[Geomoose-users] Printing wms layers
Dan Little
danlittle at yahoo.com
Tue Nov 29 14:39:45 EST 2011
You may need to have "format" all-capsed "FORMAT". This is a OpenLayers thing...
>________________________________
> From: "Bistrais, Bob" <Bob.Bistrais at maine.gov>
>To: Dan Little <danlittle at yahoo.com>; TC Haddad <tchaddad at gmail.com>; geomoose-users at lists.osgeo.org
>Sent: Tuesday, November 29, 2011 1:36 PM
>Subject: RE: [Geomoose-users] Printing wms layers
>
>
>
>Hi Tanya, Dan, and everyone,
>
>In mapbook.xml, I do have the format param
set to image/png, for those WMS layers which I want to have the Alpha channels
in. That’s in the parameters, but the URL itself is just the path to the
server, such as this:
>
> <map-source
name="base-vector" type="wms" tiled="false"
projection='EPSG:26919'>
> <url>http://mapservertest.maine.gov/wms/mapserv.exe</url>
> <layer
name="Roads" queryable="false"/>
> <layer
name="Boundaries" queryable="false"/>
> <param
name="map" value="c:/wms/basemapNew.map"/>
> <param
name="format" value="image/png"/>
> <param
name="TRANSPARENT" value="TRUE"/>
> <param name="STYLES"
value=""/>
> </map-source>
>
>
>As far as I can tell, that’s the correct
format, but if anyone sees anything out of place, or wants to try that WMS
service, please feel free to do so. As I mentioned, I have full control over
that WMS service as well, so I can make adjustments there, too.
>
>
>________________________________
>
>From:geomoose-users-bounces at lists.osgeo.org
[mailto:geomoose-users-bounces at lists.osgeo.org] On Behalf Of Dan Little
>Sent: Tuesday, November 29, 2011
1:32 PM
>To: TC Haddad;
geomoose-users at lists.osgeo.org
>Subject: Re: [Geomoose-users]
Printing wms layers
>
>Odd,
any "param"s tags should get applied.
>
>having:
>
><param
name="FORMAT">image/png</param>
>
>Should
force the image to print as image/png, keeping the alpha channel.
>
>
>>
>>________________________________
>>
>>From:TC
Haddad <tchaddad at gmail.com>
>>To: "geomoose-users at lists.osgeo.org"
<geomoose-users at lists.osgeo.org>
>>Sent: Wednesday, November 23, 2011
4:45 PM
>>Subject: Re: [Geomoose-users]
Printing wms layers
>>Yeah
the point is that if you don't specify:
>>
>>format=image/png
>>
>>in the WMS URL, then the print script will form a url for you that includes the
default value:
>>
>>format-image/jpeg
>>
>>and this is bad for your print job because JPEG doesn't support transparency.
>>
>>The server is just delivering what the URL is asking it to...
>>
>>Tanya
>>On Wed, Nov
23, 2011 at 2:41 PM, Bob Basques <Bob.Basques at ci.stpaul.mn.us>
wrote:
>>JPEG may be a catch all since Aerial photos look best as JPEG.
>>
>>As far as the FORMAT= piece, I know that our WMS serves in 7
different response formats. Two different PNG formats.
>>
>>bobb
>>
>>
>>
>>>>> TC Haddad <tchaddad at gmail.com> wrote:
>>Bob,
>>
>>does the actual WMS url have the "Format=" specified? even though
you have set it to respond in PNG?
>>
>>because if not, it looks like the print_util.php will force it to default to
JPEG (line 112-ish)
>>
>>
>>On Wed, Nov 23, 2011 at 2:25 PM, Jim Klassen <klassen.js at gmail.com> wrote:
>>MapServer uses AGG by default in 6.x and as an option in 5.x.
>>>
>>>The print.php script in GeoMoose uses GD (via PHP bindings) and is independent of MapServer. (Recall not all layers in a GeoMoose site have to come from MapServer.)
>>>
>>>On Nov 23, 2011, at 16:20, TC Haddad <tchaddad at gmail.com> wrote:
>>>
>>>dumb question:
>>>>
>>>>Is GD really being used? I thought it was replaced (in Mapserver) in favor of
AGG a while back...
>>>>
>>>>Tanya
>>>>On Wed, Nov 23, 2011 at 1:58 PM, Jim Klassen <klassen.js at gmail.com> wrote:
>>>>Why is because it isn't the proper resolution or aspect ratio for printing.
>>>>>
>>>>>Why it renders different is because in GeoMoose the browser does the image compositing. In the print utility there is no browser so the GD library needs to handle it. Why not print from the browser? Because not all browsers print the same and mans don't handle printing the composited images correctly. In any case high res prints (think plotter) would be out of the question.
>>>>>
>>>>>
>>>>>On Nov 23, 2011, at 14:27, "Bistrais, Bob" <Bob.Bistrais at maine.gov> wrote:
>>>>>
>>>>>I copied over the new function and function call in print_util.php. I get what’s going on there- it’s “cutting out” the black portions of the image, but I’m still getting these in the printable image.
>>>>>>
>>>>>>One thing I don’t understand (and the answer is probably not so simple)- the map is looking exactly as I’d like in the application- why aren’t we grabbing that image and coping it to the output map file?
>>>>>>
>>>>>>
>>>>>>________________________________
>>>>>>
>>>>>>From: geomoose-users-bounces at lists.osgeo.org [mailto:geomoose-users-bounces at lists.osgeo.org] On Behalf Of Brent Fraser
>>>>>>Sent: Wednesday, November 23, 2011 11:33 AM
>>>>>>To: Bistrais, Bob
>>>>>>Cc: geomoose-users at lists.osgeo.org
>>>>>>Subject: Re: [Geomoose-users] Printing wms layers
>>>>>>
>>>>>>Bob,
>>>>>>
>>>>>>I did a fix some time ago (http://geomoose.org/trac/ticket/108) regarding
using the alpha channel in Print_util.php. This fix is in GeoMoose v2.4 so
I'm confused...
>>>>>>
>>>>>>Best Regards,
>>>>>>
>>>>>>
>>>>>>Brent Fraser
>>>>>>
>>>>>>
>>>>>>On 11/23/2011 9:27 AM, Bistrais, Bob wrote:
>>>>>>It sure looks like a problem with the alpha channels. Doesn’t seem to matter which browser I use, either.
>>>>>>
>>>>>>
>>>>>>________________________________
>>>>>>
>>>>>>From: Jim Klassen [mailto:klassen.js at gmail.com]
>>>>>>Sent: Wednesday, November 23, 2011 10:43 AM
>>>>>>To: Bistrais, Bob
>>>>>>Cc: Bob Basques; <geomoose-users at lists.osgeo.org>
>>>>>>Subject: Re: [Geomoose-users] Printing wms layers
>>>>>>
>>>>>>If the quality is different between PNG and GIF you are probably using PNG24 (as PNG8 and GIF should be identical image wise).
>>>>>>
>>>>>>My guess is a GD bug dealing with PNG24. I'm not sure what your options are, but it sounds like the print.php needs to be rewritten with a more modern library.
>>>>>>
>>>>>>On Nov 23, 2011, at 9:11, "Bistrais, Bob" <Bob.Bistrais at maine.gov> wrote:
>>>>>>Looks like I’m using png.
>>>>>>>
>>>>>>>One thing I tried was to use gif in the mapbook.xml, for those WMS layers, but while they displayed alright, the quality was awful.
>>>>>>>
>>>>>>>
>>>>>>>________________________________
>>>>>>>
>>>>>>>From: Bob Basques [mailto:Bob.Basques at ci.stpaul.mn.us]
>>>>>>>Sent: Wednesday, November 23, 2011 10:05 AM
>>>>>>>To: geomoose-users at lists.osgeo.org; Bistrais, Bob
>>>>>>>Subject: RE: [Geomoose-users] Printing wms layers
>>>>>>>
>>>>>>>What version of PNG, PNG8 PNG24, etc.
>>>>>>>
>>>>>>>bobb
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>>> "Bistrais, Bob" <Bob.Bistrais at maine.gov> wrote:
>>>>>>>Yes, the WMS is outputting PNG. What would be recommended instead?
>>>>>>>
>>>>>>>
>>>>>>>________________________________
>>>>>>>
>>>>>>>From: Bob Basques [mailto:Bob.Basques at ci.stpaul.mn.us]
>>>>>>>Sent: Tuesday, November 22, 2011 4:54 PM
>>>>>>>To: geomoose-users at lists.osgeo.org; Bistrais, Bob
>>>>>>>Subject: Re: [Geomoose-users] Printing wms layers
>>>>>>>
>>>>>>>Something to look at . . .
>>>>>>>
>>>>>>>What is the format of the images from the WMS service?
>>>>>>>
>>>>>>>PNG24 vs other PNG formats have caused problem in cross browser situations. Some versions of IE don't like one or the other for example.
>>>>>>>
>>>>>>>bobb
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>>>> "Bistrais, Bob" <Bob.Bistrais at maine.gov> wrote:
>>>>>>>I had brought up this question before but it seems to be happening again. I have a few layers that I consume in GeoMoose by WMS. Some of these are vecot line layers such as roads. They work perfectly in GeoMoose map view. But when I compose a printable map, these layers have a black background which obscures other layers and just plain looks ugly. If I set the “transparent” property to false, the black background goes away, but then I can’t see any underlying data.
>>>>>>>
>>>>>>>By the way, I do have control over the WMS services in this case. I tried to set Offsite to 0 0 0, but that didn’t seem to help either. The WMS is at MapServer 6.0.1. Any suggestions?
>>>>>>>
>>>>>>_______________________________________________
>>>>>>>Geomoose-users mailing list
>>>>>>>Geomoose-users at lists.osgeo.org
>>>>>>>http://lists.osgeo.org/mailman/listinfo/geomoose-users
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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