I've already noticed that. That's a nice surprise indeed!
From: Larry Becker
Sent: Wednesday, December 31, 2008 2:32 AM
To: OpenJump develop and use
Subject: Re: [JPP-Devel] Search tool for Attributes
>... 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.
I checked and selection feedback still occurs for hidden features. That seems
like a good thing.
Larry
On Tue, Dec 30, 2008 at 9:13 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
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http://amusingprogrammer.blogspot.com/
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