> So we are four. :] > > Sorry about that Michael. > Don't be sorry because I haven't contributed for a while (even not for the site updating :-(). I sincerly hope that Jukka's request will find a skilled programmer interested in wms stuff.
Michaël > Landon > > On Mon, Nov 16, 2009 at 12:42 PM, Larry Becker <becker.la...@gmail.com> wrote: > >> Don't forget Michaël, who probably commits more code updates than either of >> us. >> >> Larry >> On Mon, Nov 16, 2009 at 2:12 PM, Sunburned Surveyor >> <sunburned.surve...@gmail.com> wrote: >> >>> Thanks Jukka. >>> >>> It looks like programming of OJ is now being done by basically two >>> people. One is Stefan, and the other is myself. We also have Larry >>> contributing fixes, but some of the other SkyJUMP improvements still >>> have to be ported by Stefan or myself. >>> >>> It is a small team, and my list of things to do for OJ is quite long. >>> Our ability to respond to user requests is only going to degrade if we >>> don't get more programmers involved at some point. Unless a feature >>> request aligns nicely with an interest of Stefan, Larry, or myself, it >>> probably isn't going to get done for a while. >>> >>> I hate to admit this, but honesty is the best policy. >>> >>> The Sunburned Surveyor >>> >>> On Mon, Nov 16, 2009 at 10:12 AM, Rahkonen Jukka >>> <jukka.rahko...@mmmtike.fi> wrote: >>> >>>> Hi, >>>> >>>> I can try to add the itch by saying that OJ could then have a better >>>> GetFeatureInfo than QGIs, uDig and deeJUMP (funny mixture of small and >>>> capital letters indeed). None of them support selecting INFO_TYPE or >>>> FEATURE_COUNT. I am not sure if GvSIG does. >>>> >>>> -Jukka- >>>> >>>> >>>> -----Alkuperäinen viesti----- >>>> Lähettäjä: Sunburned Surveyor [mailto:sunburned.surve...@gmail.com] >>>> Lähetetty: ma 16.11.2009 18:58 >>>> Vastaanottaja: OpenJump develop and use >>>> Aihe: Re: [JPP-Devel] Adding WMS GetFeatureInfo into OJ? >>>> >>>> Jukka, >>>> >>>> You can add this as a feature request to the tracker on our >>>> SourceForge page. It probably won't get implemented until a programmer >>>> gets an itch to do something about it. >>>> >>>> Landon >>>> >>>> On Mon, Nov 16, 2009 at 4:08 AM, Rahkonen Jukka >>>> <jukka.rahko...@mmmtike.fi> wrote: >>>> >>>>> Hi, >>>>> >>>>> It would be nice to be able to query WMS layers with GetFeatureInfo >>>>> requests. DeeJUMP has implemented this feature but I have understood >>>>> that it is utilising deegree libraries. As a non-programmer I am >>>>> thinking that adding this feature to the existing WMS part of OpenJUMP >>>>> should not be extra difficult. The OGC standard text is here: >>>>> >>>>> http://cite.opengeospatial.org/OGCTestData/wms/1.1.1/spec/wms1.1.1.html# >>>>> wmsops.getfeatureinfo >>>>> >>>>> What needs to be done for making GetFeatureInfo requests, starting from >>>>> a situation of successfull WMS GetMap request and the returned image >>>>> being in OJ map Window is about the following. >>>>> >>>>> 1. Get the service GetCapabilities document handy, let's say it is >>>>> found >>>>> here: >>>>> >>>>> http://myserver.fi/cgi-bin/WMS?REQUEST=GetCapabilities&SERVICE=WMS&VERSI >>>>> ON=1.1.1 >>>>> That is the initial query for using WMS get map so it is mostly >>>>> implemented already but I will come back to this in section 3. >>>>> 2. Take the WMS GetMap request as basis. Let's say it is like this: >>>>> >>>>> http://myserver.fi/cgi-bin/WMS?REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&; >>>>> >>>>> WIDTH=600&HEIGHT=400&LAYERS=parcels2008,parcels2009&TRANSPARENT=TRUE&FOR >>>>> MAT=image/png&BBOX=430000,6943000,430600,6943400&SRS=EPSG:3067&STYLES= >>>>> >>>>> 3. Read and parse the GetFeatureInfo part of the GetCapabilities >>>>> document that was queried in step 1: >>>>> <GetFeatureInfo> >>>>> <Format>text/plain</Format> >>>>> <Format>application/vnd.ogc.gml</Format> >>>>> <DCPType> >>>>> <HTTP> >>>>> <Get><OnlineResource >>>>> xmlns:xlink="http://www.w3.org/1999/xlink"; >>>>> xlink:href="http://myserver.fi/cgi-bin/WMS?"/></Get> >>>>> <Post><OnlineResource >>>>> xmlns:xlink="http://www.w3.org/1999/xlink"; >>>>> xlink:href="http://myserver.fi/cgi-bin/WMS?"/></Post> >>>>> </HTTP> >>>>> </DCPType> >>>>> </GetFeatureInfo> >>>>> >>>>> 4. Build the GetFeatureInfo query from the following components: >>>>> a) Base url from step 3 >>>>> http://myserver.fi/cgi-bin/WMS? >>>>> This online resource is usually the same that is used for >>>>> GetCapabilities but according to the standard it may be something else, >>>>> so the correct way would be to read and interpret the document. >>>>> >>>>> b) Version number of GetFeatureInfo request, I suppose it can always be >>>>> the same that has been used for GetCapabilities and GetMap >>>>> VERSION=1.1.1 >>>>> >>>>> c) Request name >>>>> &REQUEST=GetFeatureInfo >>>>> >>>>> d) copy of the main part of GetMap request from the step 2 >>>>> >>>>> &SERVICE=WMS&WIDTH=600&HEIGHT=400&LAYERS=parcels2008,parcels2009&TRANSPA >>>>> >>>>> RENT=TRUE&FORMAT=image/png&BBOX=430000,6943000,430600,6943400&SRS=EPSG:3 >>>>> 067&STYLES= >>>>> So it is the whole GetMap request exept base url, version and request. >>>>> >>>>> d) Add QUERY_LAYERS parameter. Standard says: This parameter shall >>>>> contain at least one layer name, but may contain fewer layers than the >>>>> original GetMap request. To make things a bit more simple I think it >>>>> could always contain all the layers from the original GetMap request. >>>>> >>>>> e) Add INFO_FORMAT parameter. It is optional, but without giving it >>>>> server returns its default format and standard does not say what it >>>>> should be so perhaps it would be better if WMS client ask for a certain >>>>> format. Possible values are listed in GetFeatureInfo report in step 3. >>>>> >>>>> f) Add FEATURE_COUNT parameter. It is optional but it is good to have, >>>>> because the default is 1 and that gives, for example, feature info of >>>>> just one of the overlapping polygons which are queried. >>>>> >>>>> g) Add X and Y which are the pixel coordinates of the point that is >>>>> clicken on a map. >>>>> >>>>> h) EXCEPTIONS parameter is optional and only supported value seems to >>>>> be >>>>> "application/vnd.ogc.se_xml" so there is no need to include it. >>>>> >>>>> When everything is put together the request should look like this: >>>>> >>>>> >>>>> http://myserver.fi/cgi-bin/WMS?VERSION=1.1.1&REQUEST=GetFeatureInfo&SERV >>>>> >>>>> ICE=WMS&WIDTH=600&HEIGHT=400&LAYERS=parcels2008,parcels2009&TRANSPARENT= >>>>> >>>>> TRUE&FORMAT=image/png&BBOX=430000,6943000,430600,6943400&SRS=EPSG:3067&S >>>>> >>>>> TYLES=&QUERY_LAYERS=parcels2008,parcels2009&INFO_FORMAT=text/plain&FEATU >>>>> RE_COUNT=100&X=162&Y=225 >>>>> >>>>> This was the request part, another part would be to make OJ to parse >>>>> what is sent back from WMS server. Standard does not order which >>>>> formats must of should be supported, but most common are propably >>>>> text/plain, text/html and INFO_FORMAT=application/vnd.ogc.gml which is >>>>> returning gml. >>>>> >>>>> Well, after writing all this I believe it is not necessarily so simple >>>>> to implement. >>>>> >>>>> -Jukka Rahkonen- >>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 >>>>> 30-Day >>>>> trial. Simplify your report design, integration and deployment - and >>>>> focus on >>>>> what you do best, core application coding. Discover what's new with >>>>> Crystal Reports now. http://p.sf.net/sfu/bobj-july >>>>> _______________________________________________ >>>>> Jump-pilot-devel mailing list >>>>> Jump-pilot-devel@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>>> >>>>> >>>> ------------------------------------------------------------------------------ >>>> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 >>>> 30-Day >>>> trial. Simplify your report design, integration and deployment - and >>>> focus on >>>> what you do best, core application coding. Discover what's new with >>>> Crystal Reports now. http://p.sf.net/sfu/bobj-july >>>> _______________________________________________ >>>> Jump-pilot-devel mailing list >>>> Jump-pilot-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>> >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 >>>> 30-Day >>>> trial. Simplify your report design, integration and deployment - and >>>> focus on >>>> what you do best, core application coding. Discover what's new with >>>> Crystal Reports now. http://p.sf.net/sfu/bobj-july >>>> _______________________________________________ >>>> Jump-pilot-devel mailing list >>>> Jump-pilot-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>>> >>>> >>> ------------------------------------------------------------------------------ >>> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 >>> 30-Day >>> trial. Simplify your report design, integration and deployment - and focus >>> on >>> what you do best, core application coding. Discover what's new with >>> Crystal Reports now. http://p.sf.net/sfu/bobj-july >>> _______________________________________________ >>> Jump-pilot-devel mailing list >>> Jump-pilot-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>> >> >> -- >> Larry Becker >> Integrated Systems Analysts, Inc. >> >> ------------------------------------------------------------------------------ >> Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day >> trial. Simplify your report design, integration and deployment - and focus >> on >> what you do best, core application coding. Discover what's new with >> Crystal Reports now. http://p.sf.net/sfu/bobj-july >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> >> >> > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
