Ok - so it seems like a reporting / map production problem.
I am not sure if the "EasyPrint" or "Atlas" Plugin can help. EasyPrint
allows to print each feature on a separate map. But it sounds like for
your problem easy print would have to be extended to allow for maps per
filter or using a group attribute.
I am not sure if there is an out of the box solution for your problem
with QGIS.
For my own similar projects I set up a printing process using Apache
FOP with XSL-FO and then use QGIS-server to print the map extents. I
understand that this would be overkill/too much work to setup for you.
Andreas
On Thu, 15 Mar 2012 12:50:00 -0000, James Stott wrote:
Hi Nathan/Andreas,
I would happily use another method to deal with this but I haven’t
managed to come up with one.
My layer has site boundaries (20 of them) on it. I also have a layer
with buffers for my sites in it. I have a buffer per site (20 sites)
and these are from a PostGIS view as these alter whenever I change
the
site boundary. I would like to then add each site boundary and each
buffer onto a map as a separate layer because:
1) I add the site boundary and the buffer to a group, then the users
can then turn each one on and off as needed when looking at the
project file in QGIS.
2) For map production (using composers) I have a composer per site. I
lock the layers in the composer map item and then jpg all my maps at
the end. To do this I need to have each buffer on a separate layer as
otherwise it would show the other sites as they are quite close
together.
The only way I can think to do this at the moment is to add each
layer 20 times, and then query it by each individual site.
James
James Stott BSc (Hons) MSc | Senior Professional
Nicholas Pearson Associates | 30 Brock Street | Bath | BA1 2LN
T: 01225 445548 | M: -
http://www.npaconsult.co.uk/
-----Original Message-----
From: qgis-user-boun...@lists.osgeo.org
[mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Andreas
Neumann
Sent: 15 March 2012 12:10
To: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] Plugin to add a layer for each unique value
in acolumn
Hi James,
And why would you need that? Maybe there is another solution to your
problem with just one or fewer layers.
Andreas
On Thu, 15 Mar 2012 11:08:04 -0000, James Stott wrote:
I would like to add a layer for each unique value of a text column
in
a
table.
For example, if I have a column called type, and the values in it
were
tree, stone and plant I would like to add a layer for each type. So
in
this example I would have 3 layers.
I know there is a plugin called Shapefile Splitter that splits out
to
a
shapefile for each unique value, but I just want it to split to
layers
in QGIS.
James
James Stott BSc (Hons) MSc | Senior Professional
Nicholas Pearson Associates | 30 Brock Street | Bath | BA1 2LN
T: 01225 445548 | M: -
http://www.npaconsult.co.uk/
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information.
If you are not the person for whom it is intended, you must not copy,
distribute or take any action in reliance on it. If you have received
this electronic transmission in error please notify us immediately by
telephone, delete the transmission and destroy any hard copies.
Nicholas Pearson Associates has used all reasonable efforts to ensure
that this message and any attachments are free from viruses.
Nicholas Pearson Associates, 30 Brock Street, Bath, BA1 2LN , Tel:
+44 (0) 01225 445548, Fax: +44 (0) 01225 312387, Website:
http://www.npaconsult.co.uk/
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Switzerland
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