[Xastir] Summary of New Capability

[Keith Kaiser]

This is all very clear. Thanks for the explanations. I think I'll use  
the Perl script.


On Apr 20, 2009, at 11:15 AM, Curt, WE7U wrote:

> On Mon, 20 Apr 2009, Keith Kaiser wrote:
>
>> Do I now need to go into each and every county within each state  
>> and run the vi edit (vi works fine in Mac btw)?
>
> Nope.
>
>
>> Or do I just need to run it once at the tiger2008 level?
>
> Nope.  There's exactly one file called "map_index.sys".  It exists
> in each user's "~/.xastir/config/" directory if that use has ever
> run Xastir.  Go to that directory to edit it.
>
> The "map_index.sys" file contains the extents of each map Xastir has
> indexed so that Xastir can pass it by quickly if it doesn't
> currently fit on your map screen (Xastir doesn't have to read the
> map file to know the extents, it just reads in the index file at
> startup and knows all).  The file contains additional information
> such as map levels, methods of determining the order of your map
> stackup.  When you go into Map Chooser->Properties, much of the
> information you mess with there goes into the "map_index.sys" file.
> The edits we're doing with "vi" or the Perl script Lee posted are
> just a very fast way of setting up your map levels so that you don't
> have to do it by hand in Map Chooser->Properties.
>
>
>> I'm learning more and more about the workings of Unix but I have a  
>> ways to go so I don't know where exactly to do this edit.
>>
>> vi ~/.xastir/config/map_index.sys
>> :g/tabblock/s/01000/00995/
>> :g/pointlm/s/01000/00996/
>> :g/arealm/s/01000/00997/
>> :wq
>
> Nope.  Download all of the maps and explode them.  Start Xastir and
> reindex new maps.  Shut down Xastir.  Do the level edits with VI or
> the Perl script that Lee posted.  Start up Xastir.  If you decide to
> download more maps, do the same thing with the indexing, editing,
> and shutting down/restarting Xastir around the edit process.
>
> Note that there are 4 edit lines now instead of 3.  See my latest
> summary or Lee's latest Perl script.
>
>
>> Ultimately I'd like to see road names down to the smallest road at  
>> a very low zoom level and only major roads as I zoom out. Chasing a  
>> balloon starts out very wide and narrows down as we get closer and  
>> closer to touchdown.
>
> I'm sure there are people here that could help you do that but I'm
> probably not one of them:  I've done just enough dbfawk to get some
> new Shapefile maps displaying from time to time, and no more.
>
> -- 
> Curt, WE7U.				archer at eskimo dot com
> http://www.eskimo.com/~archer
>  Lotto:  A tax on people who are bad at math. - unknown
> Windows:  Microsoft's tax on computer illiterates. - WE7U.
> The world DOES revolve around me:  I picked the coordinate system!"
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73's
Keith Kaiser
wa0tjt at gmail.com