Editing shape files...or altering output.

[Stephen Woodbridge]

Yes, this would be great, send it to me. Why not post it to the wiki!

-Steve

Jerl Simpson wrote:

> Hello,
>
> I don't know if anyone is interested, but I have written a Perl script
> to perform the function I was looking for earlier.
> If you like, I can send it to you, it's also very short, so I could
> post the code to the list if requested.
>
> It works like:
>
> dbfreplace.pl dbfile field "search string" "replace string"
>
>
> Let me know if you are interested in such a thing.
>
> Jerl
>
> On Fri, 1 Oct 2004 11:46:07 -0500, Jerl Simpson <jerl.simpso at gmail.com> wrote:
>
>>I notice in the shapelib library, there are example programs to add
>>records to the dbf file (dbfadd) I believe.
>>That might help you out.
>>
>>Jerl
>>
>>
>>
>>
>>On Fri, 1 Oct 2004 11:52:41 -0400, MapServer List
>><mms at gnetconsulting.com> wrote:
>>
>>>Hello list:
>>>
>>>I need to do something similar, except I need to add a record to
>>>the DBF and save it, using PHP/MapScript.  Would I use the same
>>>steps?  Or would it be easier to do it in a DBF editor of some sort?
>>>
>>>My platform is Linux 9/PHP/MapServer 4.2.1.  Thanks.
>>>
>>>Joel
>>>
>>>
>>>
>>>----- Original Message -----
>>>From: "Stephen Woodbridge" <woodbri at SWOODBRIDGE.COM>
>>>To: <MAPSERVER-USERS at LISTS.UMN.EDU>
>>>Sent: Friday, October 01, 2004 11:08 AM
>>>Subject: Re: [UMN_MAPSERVER-USERS] Editing shape files...or altering output.
>>>
>>>
>>>>You can do this in Perl using Geo::ShapeFile or Geo::Shapelib which
>>>>might be the easiest way to do this. Your plan below is exactly how to
>>>>do it, but Perl might be easier to write if you are familiar with it.
>>>>
>>>>I am not aware of any generic utilities that do this.
>>>>
>>>>-Steve W.
>>>>
>>>>Jerl Simpson wrote:
>>>>
>>>>
>>>>>Hello,
>>>>>
>>>>>I'm having a display issue that I need to work out.  I am wondering
>>>>>the best way to go about it.  Here's the issue.
>>>>>I have an ESRI shape file with US roads.  In this file, the US
>>>>>highways are listed as, "United States Highway 400".  When you have a
>>>>>lot of those on the map, it gets very messy. I would like to replace
>>>>>"United States Highway 400" with "US 400" or even "US Hwy 400".
>>>>>Is it best to change the .dbf file?  Or can I do this on the fly?
>>>>>I have no idea how to do this on the fly, but here are my thoughts on
>>>>>the dbf file.
>>>>>
>>>>>Use shapelib to open and read the dbf file, read in the values,
>>>>>compare, change if needed, then spit out to a new dbf file.
>>>>>Currently I would work at writing something to do this, after much
>>>>>reading of the documentation.
>>>>>Has anyone done this before?  I suspect there might be a utility to do
>>>>>just this type of thing.
>>>>>
>>>>>Thanks in advance,
>>>>>
>>>>>Jerl
>>>>>
>>>>
>