[Gvsig_english] how to modify attribute table

[Sergio Clark]

Hello Roger,

If I've understood you these are the steps you should follow:

1. First of all, you should Start Edition of your shape (with mouse 
right button in the ToC).
2. Open the atributte table of this shape.
3. Clic on menu 'Table', and inside on 'Modify table structure'.
4. Here, there is the interface to 'Create new fields' in your shape's 
table (you should choose here the field type: string, double, boolean..)
5. Once you have your new fields created you can complete the table 
introducing inside the vote or whatever you need.
6. Finish edition of your shape (with mouse right button again)
7. If you would like assign colors to your shape, then clic on 
Properties (in the same contextual menu; right button).
8. Inside Properties window, on Simbology label.
9. Here you can assign colors using the option 'Unic values', and 
selecting Classification Field: the field you have just created for 
'vote', and accept.


I hope it helps you!

Best regards,

Sergio


-- 

Sergio Clark
Equipo gvSIG
IVER T.I., S.A.
www.iver.es
www.gvsig.com




roger.taylor at l-3com.com escribió:
>
> I’m a novice GIS user. I am trying to modify the attribute table of a 
> .shp file of the U.S. Congressional Districts so that I can show “yea” 
> and “nay” votes on a particular bill. I am assuming there is a way to 
> add a column to the attribute table where I could put in the vote. 
> Then I am supposing I can assign colors to the districts based on the 
> way they voted. Can anyone help me do this? Here is the link to the 
> 110^th Congressional Districts shapefile: 
> http://nationalatlas.gov/atlasftp.html#cgd110p.
>
> If anyone can help I would be very grateful!
>
> Roger Taylor
>
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>
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