[mapserver-users] query mode, multiple selections
I'm just starting to play with query mode and find it very useful. I have an interaction style in mind that would let me select and highlight several (possibly connected) links in a layer in a fairly interactive style (more like one would do with ArcGIS, I guess). I'm pretty sure that I won't be successful doing this with the basic CGI, and am overwhelmed by the number of Ajax layers that I might choose from. Are there documents/pages out there that might give me some guidance about what's possible with the various packages? Thanks, chris ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
Re: [mapserver-users] query mode, multiple selections
You'd be surprised with what you can do with the CGI backend. It's certainly possible, with the right web client (e.g. something like GeoMoose or OpenLayers) to craft queries against the CGI to select one or many features from one or many layers using a point, box or arbitrary geometry. Perhaps if you could sketch out a use case or two... Steve On 9/1/2009 at 12:49 PM, in message 4a9d5e9d.9000...@speedgauge.net, Chris Kantarjiev c...@speedgauge.net wrote: I'm just starting to play with query mode and find it very useful. I have an interaction style in mind that would let me select and highlight several (possibly connected) links in a layer in a fairly interactive style (more like one would do with ArcGIS, I guess). I'm pretty sure that I won't be successful doing this with the basic CGI, and am overwhelmed by the number of Ajax layers that I might choose from. Are there documents/pages out there that might give me some guidance about what's possible with the various packages? Thanks, chris ___ 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
Re: [mapserver-users] query mode, multiple selections
Sure. The basic use case is: User navigates to a particular, known, lat/lon as starting point; this can be by entering the known lat/lon values, or by navigation around cities. User then selects one or more links and can inspect attributes associated with those links - in particular, link_id and direction. Initial selection could be by sweeping out an area, but should also provide a way of adding/removing specific links from the selection (control-select). Did that makes sense? chris Steve Lime wrote: You'd be surprised with what you can do with the CGI backend. It's certainly possible, with the right web client (e.g. something like GeoMoose or OpenLayers) to craft queries against the CGI to select one or many features from one or many layers using a point, box or arbitrary geometry. Perhaps if you could sketch out a use case or two... Steve On 9/1/2009 at 12:49 PM, in message 4a9d5e9d.9000...@speedgauge.net, Chris Kantarjiev c...@speedgauge.net wrote: I'm just starting to play with query mode and find it very useful. I have an interaction style in mind that would let me select and highlight several (possibly connected) links in a layer in a fairly interactive style (more like one would do with ArcGIS, I guess). I'm pretty sure that I won't be successful doing this with the basic CGI, and am overwhelmed by the number of Ajax layers that I might choose from. Are there documents/pages out there that might give me some guidance about what's possible with the various packages? Thanks, chris ___ 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
Re: [mapserver-users] query mode, multiple selections
Hi We use the back end CGI extensively and it is extremely fast. It is simply a case of being able to define what type of constraint you want against each layer (tolerance etc) - I'm normally surprised if mapserver takes more than a second or two to query up to 20-30 individual layers... Hope this reassures! Mike 2009/9/1 Chris Kantarjiev c...@speedgauge.net Sure. The basic use case is: User navigates to a particular, known, lat/lon as starting point; this can be by entering the known lat/lon values, or by navigation around cities. User then selects one or more links and can inspect attributes associated with those links - in particular, link_id and direction. Initial selection could be by sweeping out an area, but should also provide a way of adding/removing specific links from the selection (control-select). Did that makes sense? chris Steve Lime wrote: You'd be surprised with what you can do with the CGI backend. It's certainly possible, with the right web client (e.g. something like GeoMoose or OpenLayers) to craft queries against the CGI to select one or many features from one or many layers using a point, box or arbitrary geometry. Perhaps if you could sketch out a use case or two... Steve On 9/1/2009 at 12:49 PM, in message 4a9d5e9d.9000...@speedgauge.net, Chris Kantarjiev c...@speedgauge.net wrote: I'm just starting to play with query mode and find it very useful. I have an interaction style in mind that would let me select and highlight several (possibly connected) links in a layer in a fairly interactive style (more like one would do with ArcGIS, I guess). I'm pretty sure that I won't be successful doing this with the basic CGI, and am overwhelmed by the number of Ajax layers that I might choose from. Are there documents/pages out there that might give me some guidance about what's possible with the various packages? Thanks, chris ___ 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 ___ mapserver-users mailing list mapserver-users@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/mapserver-users
