[Xastir] New capability: 2008 Tiger Shapefile street maps

Richard Polivka, N6NKO r.polivka at sbcglobal.net
Sun Apr 19 18:21:40 EDT 2009


One yank here is that there is no consistency in the Tiger2008 files in 
terms of accuracy, quantity of information or the quality of 
information. So one county may be loaded with details down to the length 
of the gnat's whiskers on the local street corner and other ones may 
look as barren as the Sahara Desert.

73 from 807,

Richard, N6NKO


Dale Seaburg wrote:
>
> On Apr 19, 2009, at 4:24 PM, William McKeehan wrote:
>
>> Does anyone have a suggested set of files that we should download for 
>> the best
>> results?
>>
>> For example, are the 2000 files necessary?
>>
>> My guess is that we need the following at a minimum:
>> - All Lines (*edges*) - this appears to be the primary file for roads
>> - Area Hydrography (*areawater*) - this appears to be lakes and rivers
>>
>> But I'm not sure about these things.
>> - Area Landmark (*arealm*)
>> - Point Landmark (*pointlm*)
>> - Current Block (*tabblock*)
>> - Current County Subdivision (*consub*)
>> - Feature Names Relationship File (*featnames*)
>
> I suggest you download the entire county of your choice, assuming your 
> internet bandwidth won't choke. Then, unzip one or more features. 
> Bring up xastir to see what is important to you and what you might be 
> missing. Better yet, unzip all six, then do a Map Choose to select 
> each type, adding in more features. I have not done that yet, but it 
> might prove enlightening.
>
> 73 - Dale. KG5LT
>
>
>
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