On 03/04/2014, at 21:59 , Geo DrinX wrote:
Hello All,
( Sorry for my english, but I try to explain my need as better as I know ).
I need to create textual notes on many polygons, with QGis, and I would like
to automate more than possible the process.
For the moment, I created an Action, defined as following:
Note_ACTION
echo [%'\n\nPolygon (mq) :\n' ||'Area: ' || toint( round ( $area)) || '\n'
|| 'Perimeter: ' || toint( round ($perimeter)) %]
In this way, clicking on each polygon I have the text I need. :)
But, for the moment, it is necessary to copy the text and paste it inside
the Textual Note.
It could be possible to... create the action in a way that creates directly
the Textual Note with the text inside ?
Could somebody give me suggestions about this ?
Thank you in advance
Roberto
Hi Roberto,
I'm assuming Textual Note is an Attribute Value.
Do you need the value to happen as you draw the polygon?
If you do, I don't know and you'll need to wait for someone else.
If you want to write the $perimeter and $area into the attribute table after
making your polygons, than I'd use the field calculator. The icon looks like a
really small abacus. You can see it on the main icons, but also in the
attribute table. You can use this to update all (or just the selected polygons)
to show the right information.
This is a better explanation than I could do:
http://www.qgis.org/en/docs/user_manual/working_with_vector/field_calculator.html
(not just in English, e.g. :
http://www.qgis.org/it/docs/user_manual/working_with_vector/field_calculator.html
)
If I've got it all wrong, please do try and make me understand.
-ramon.
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