Bing, I had no idea that you could use Lucerne for such a task. That is very interesting.
SS On Tue, Dec 30, 2008 at 7:13 AM, Larry Becker <becker.la...@gmail.com> wrote: > Hi Bing, > > Wow! That was an information-rich post. Using Lucene goes way beyond my > usual minimalist approach to feature implementation. You must have some use > cases with a lot of attribute data. So far, I haven't seen the need for > indexing in my own work, and I would hate to pay the memory/time price for a > tool that I would use only occasionally. > > Supporting the Editable and Selectable layer settings in plugins is a > judgment call. Generally, I try to support them, but for some tools it > makes sense to ignore the setting. In the case of a search tool, I would > think the Selectable setting should be honored. This would be useful, for > instance, when you have temporary duplicate layers that you wish to exclude > from the search. > > I like the approach Michael took in the Simple Query plugin. Results can > be displayed in the Feature Info table if selection is impractical. Also, I > think that just because something is hidden due to a scale range, it > shouldn't be exempt from selection. I'm not sure what happens with the > selection handles though. > > thanks, > Larry > On Tue, Dec 30, 2008 at 12:24 AM, Bing Ran <bing_...@hotmail.com> wrote: >> >> Hi, Larry, >> >> I have implemented a Lucene based global attribute search for my >> application. Features are indexed when they loaded on the layers. Search >> results are selected and zoomed-to on the map. What is tricky is that the >> result map needs a strategy to deal with features that are labeled as hidden >> in a scale range and also those layers that are tagged as NOT selectable. >> I'm wondering if I need to make a discrimination between a manually >> selectable layer and a programmatically selectable layer. >> >> Bing >> >> From: Larry Becker >> Sent: Tuesday, December 30, 2008 4:12 AM >> To: OpenJump develop and use >> Subject: [JPP-Devel] Search tool for Attributes >> Question: >> >> You can use Simple Query to search Attribute fields for specific values, >> but have you ever wanted to do a Google style search in a map? In other >> words, search all attributes in all layers for any occurrence of one or more >> target words. I have a tool that could be morphed into this capability >> fairly easily, or it could be added to Simple Query. >> >> Any comments? >> >> regards, >> Larry >> >> -- >> http://amusingprogrammer.blogspot.com/ >> >> ________________________________ >> >> >> ------------------------------------------------------------------------------ >> >> ________________________________ >> >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> >> >> ------------------------------------------------------------------------------ >> >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> > > > > -- > http://amusingprogrammer.blogspot.com/ > > ------------------------------------------------------------------------------ > > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > ------------------------------------------------------------------------------ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
