Great! Good luck for your issue, and to get it working again on your server!
Jeff 2011/2/8 <joanne.mcg...@sympatico.ca>: > Beautiful, yes. After a bit of fudging and adjusting (because I don't > actually have access to the actual server I'm really trying to use), I > managed to get it "not" working on my localhost as it was "not" working on > that server. On localhost I was able to put the DEBUG in the map file and > see the results. It told me that it couldn't resolve the host (Host not > found). > > There is an extra '/' in the path being put in the WMC. Instead of > http://<domain>/... in the OnlineResource, it is getting > http:///<domain>/... during the process. Now I just have to figure out why > that's happening but I'm sure it won't be difficult. > > Thank you for reminding me of the DEBUG. > > Cheers, > jtm > >> From: jean-franc...@gigand.fr >> Date: Tue, 8 Feb 2011 22:32:59 +0100 >> Subject: Re: [mapserver-users] Dynamic WMS Service - Projections problem? >> To: joanne.mcg...@sympatico.ca >> CC: mapserver-users@lists.osgeo.org >> >> Hi, >> >> Have you checked the MapServer logs? >> >> To enable it, set the env variable MS_ERRORFILE to the log file path >> and MS_DEBUGLEVEL to "5". >> It will detail interesting details about how your layers are built. >> >> Jeff >> >> >> 2011/2/8 myOpenLayersUName <joanne.mcg...@sympatico.ca>: >> > >> > First, the background... >> > >> > I have a WMS Service that has an "empty" point layer in it. I use it to >> > display labels at dynamically generated coordinates by passing x,y >> > within >> > the request. For example: >> > >> > >> > http://<domain>/ogc/mapserv?map=/path/fenceLabelWms_en.map&map.layer[fencelabel]=FEATURE >> > POINTS -105.5620661354989 51.14394472618872 END TEXT "Fence 1" >> > END&map.layer[fencelabel].class[0]=COLOR 255 0 0 >> > END&map.layer[fencelabel].class[0]=LABEL COLOR 255 0 0 SIZE 10 POSITION >> > UR >> > END&LAYERS=fencelabel&mode=map >> > >> > >> > The entire map file is as follows: >> > >> > MAP >> > NAME "fenceLabelWms_en" >> > FONTSET "../../../mapserv/etc/fonts.txt" >> > SYMBOLSET "../../../mapserv/etc/symbols.sym" >> > SIZE 400 300 >> > IMAGETYPE PNG >> > IMAGECOLOR 255 255 255 >> > RESOLUTION 96 >> > EXTENT -141.5 41.5 -51.5 83.5 # all of Canada >> > UNITS METERS >> > PROJECTION >> > "init=epsg:4269" # lat/long >> > END >> > WEB >> > METADATA >> > "wms_srs" "EPSG:42304" >> > END >> > END >> > >> > OUTPUTFORMAT >> > NAME png >> > DRIVER 'GD/PNG' >> > MIMETYPE 'image/png' >> > IMAGEMODE PC256 #RGB >> > FORMATOPTION "INTERLACE=OFF" >> > EXTENSION 'png' >> > TRANSPARENT ON >> > END >> > >> > LAYER >> > NAME "fencelabel" >> > STATUS ON >> > TYPE point >> > CLASS >> > SIZE 0 >> > COLOR 0 0 0 >> > LABEL >> > TYPE truetype >> > FONT verdana >> > ANTIALIAS false >> > END >> > END >> > END >> > END >> > >> > >> > A number of applications use this WMS and each has its own projection >> > but, >> > as in the request above, all pass the x,y as lat/long (EPSG:4269). The >> > MAP >> > METADATA's "wms_srs" lists the supported projections (for the purposes >> > of >> > this example, I'm simplifying by only including EPSG:42304). >> > >> > >> > So, this allows me to provide the point coordinates in lat/long, but >> > display >> > them using the projection from the application itself. For example: >> > >> > >> > http://<domain>/ogc/mapserv?map=/path/fenceLabelWms_en.map&map.layer[fencelabel]=FEATURE >> > POINTS -105.5620661354989 51.14394472618872 END TEXT 'Fence 1' >> > END&map.layer[fencelabel].class[0]=COLOR 255 0 0 >> > END&map.layer[fencelabel].class[0]=LABEL COLOR 255 0 0 SIZE 10 POSITION >> > UR >> > >> > END&LAYERS=fencelabel&FORMAT=image/png&SRS=EPSG:42304&TRANSPARENT=true&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application/vnd.ogc.se_inimage&BBOX=-2903297.000,-789911.0000,3431059.000,3959683.000&WIDTH=1219&HEIGHT=601 >> > >> > >> > Knowing this, I can define this "dynamic" layer within a WMC <Layer> tag >> > and >> > load it into an OpenLayers Map (whose projection is set to EPSG:42304 >> > and >> > extents encompass all of Canada). The WMC definition for the above layer >> > is >> > as follows (we use a batch script to set the path to the MapServer >> > executable and MAP file, "fenceLabelWms_en"): >> > >> > <Layer queryable="0" hidden="0"> >> > <Server service="OGC:WMS" version="1.1.1"> >> > <OnlineResource xlink:type="simple" >> > >> > xlink:href="http://<domain>/ogc/fenceLabelWms_en?map.layer[fencelabel]=FEATURE%20POINTS%20-105.5620661354989%2051.14394472618872%20END%20TEXT%20'Fence%201'%20END&map.layer[fencelabel].class[0]=COLOR%20255%20105%200%20END&map.layer[fencelabel].class[0]=LABEL%20COLOR%20255%20105%200%20SIZE%2010%20POSITION%20LR%20END"/> >> > </Server> >> > <Name>fencelabel</Name> >> > <Title>Fence 1</Title> >> > <SRS>EPSG:42304</SRS> >> > <FormatList> >> > <Format current="1">image/png</Format> >> > </FormatList> >> > <Extension> >> > <ol:maxExtent minx="-2903297.000" miny="-789911.0000" >> > maxx="3431059.000" maxy="3959683.000"/> >> > <ol:transparent>true</ol:transparent> >> > <ol:numZoomLevels>5</ol:numZoomLevels> >> > <ol:units>m</ol:units> >> > <ol:isBaseLayer>false</ol:isBaseLayer> >> > <ol:displayInLayerSwitcher>false</ol:displayInLayerSwitcher> >> > <ol:singleTile>true</ol:singleTile> >> > </Extension> >> > </Layer> >> > >> > >> > Okay, everything works fine up to this point. The fence label WMS is >> > displayed in the OpenLayers Map correctly in relation to the other >> > layers it >> > contains, all of which have projections of EPSG:42304. >> > >> > >> > Now, the problem ... >> > >> > I’d like to print the image displayed to the user. To do this, I have >> > another "empty" MAP file that I use to print the WMC; the same WMC I >> > loaded >> > into OpenLayers. The entire contents of this MAP file are: >> > >> > MAP >> > NAME "wmsContextServer" >> > FONTSET "../../../mapserv/etc/fonts.txt" >> > SYMBOLSET "../../../mapserv/etc/symbols.sym" >> > SIZE 400 300 >> > STATUS ON >> > IMAGETYPE PNG >> > IMAGECOLOR 255 255 255 >> > EXTENT -2338951 -800000 3008692 3900000 >> > UNITS METERS >> > CONFIG "CGI_CONTEXT_URL" "1" >> > PROJECTION >> > "init=epsg:42304" >> > END >> > >> > RESOLUTION 96 >> > >> > REFERENCE >> > # Parameter settings NOT to change >> > STATUS ON >> > COLOR -1 -1 -1 >> > OUTLINECOLOR 255 0 0 >> > # Parameter settings that will change if you replace the default >> > 'refmap.png' >> > IMAGE "../htdocs/images/refmap.png" >> > SIZE 100 74 >> > EXTENT -2.2e+006 -712631 3.0728e+006 3.84e+006 >> > END # REFERENCE >> > >> > SCALEBAR >> > STATUS EMBED >> > INTERVALS 1 >> > POSITION LL >> > TRANSPARENT true >> > UNITS kilometers >> > STYLE 1 >> > SIZE 100 7 >> > LABEL >> > SIZE small >> > END >> > END >> > >> > WEB >> > INCLUDE "../../../mapserv/conf/imagepath.inc.map" >> > METADATA >> > # Used for App Page Title >> > "wms_title" "WMC Context Client" >> > "wms_connectiontimeout" "60" >> > END >> > END >> > OUTPUTFORMAT >> > NAME png >> > DRIVER 'GD/PNG' >> > MIMETYPE 'image/png' >> > IMAGEMODE RGB >> > FORMATOPTION "INTERLACE=OFF" >> > EXTENSION 'png' >> > #TRANSPARENT ON >> > END >> > >> > OUTPUTFORMAT >> > NAME gif >> > DRIVER 'GD/GIF' >> > MIMETYPE 'image/gif' >> > IMAGEMODE RGB >> > FORMATOPTION "INTERLACE=OFF" >> > EXTENSION 'gif' >> > END >> > >> > END >> > >> > >> > Unfortunately, the "dynamic" WMS layer doesn't appear in the output >> > image. I >> > can use the following URL to get an image of all the other layers in the >> > WMC >> > successfully, but the fence label is not shown and there is no error >> > message: >> > >> > >> > http://<domain>/ogc/mapserv?map=/path/wmsContextServer.map&mode=map&context=http://<domain>/contexts/WMCwFenceLabels.xml&layers=all >> > >> > >> > >> > I'm guessing MapServer is getting a blank image when it's assembling the >> > layers for the output image and I'm further guessing that this is the >> > result >> > of the projections somehow getting out of whack somewhere along the >> > line. >> > I'm thinking that the point is being evaluated as not actually existing >> > within the extents of the output image being generated, perhaps? But, I >> > can't guess why this would be the case. There is no question that it >> > does >> > fall within the extents (as witnessed by loading the same WMC in >> > OpenLayers). >> > >> > >> > As it is now, I am completely stuck as to what the problem might be. Can >> > anyone suggest anything that might help me narrow down exactly what the >> > problem is or a direction I can investigate further? >> > >> > -- >> > View this message in context: >> > http://osgeo-org.1803224.n2.nabble.com/Dynamic-WMS-Service-Projections-problem-tp6004893p6004893.html >> > Sent from the Mapserver - User mailing list archive at Nabble.com. >> > _______________________________________________ >> > mapserver-users mailing list >> > mapserver-users@lists.osgeo.org >> > http://lists.osgeo.org/mailman/listinfo/mapserver-users >> > > _______________________________________________ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users