I have developed an application which displays several dynamic layers in
pmapper all integrated with the legend and toc and they interact with some
custom plugins that I have developed. Furthermore the layers available and
filtering on these layers is determined by the user.
The aproach I took was to write some php code that customises the config files
including the map file and then launches pmapper with the custom config. Sorry
I cant give you the code as it 'belongs' to my employer but i can give you an
idea of how it works.
First the user logs in to the system and the code queries the database
(postgresql) and determines what layers are available and what filters to
apply. The layers are read from a default mapfile the data statement is
customised to provide filtering and then a new custom mapfile is written. The
php_config file is customised for the categories and the config_.. file is also
customised with allGroups and defGroups definitions. Pmapper is then launched.
Gabe
-Original Message-
From: [EMAIL PROTECTED] [mailto:pmapper-
[EMAIL PROTECTED] On Behalf Of Armin Burger
Sent: Wednesday, 30 April 2008 2:43 AM
To: Rodrigo Gaete
Cc: pmapper-users list
Subject: Re: [pmapper-users] Dynamic query join a pmapper layer
In the current dev version there is a class to add dynamic layers. See
the files under the plugin 'dynlayersample'. The layers need to be
defined in JSON syntax, see example in 'dynlayer_def.txt'.
This is currently under development, some parts might change to have a
+/- generic solution that does not require to re-develop everything
again. The idea is to have users write their own function to define the
dynlayers in the required JSON syntax and add them to the session, then
they will be read automatically. The possibilities to create layers
dynamically are virtually indefinite (reading from database, text
files,
etc). So a complete generic functionality without any custom
development
is impossible. Some parts need to be defined though, like layer order.
Since p.mapper uses an additional definition of layers/groups to
circumvent some shortcomings in Mapscript, simply adding a layer to the
map object will just draw it on the map, but maybe not for printing or
in the TOC.
armin
On 29/04/2008 15:47, Rodrigo Gaete wrote:
Hi pmapper users
I need create a new layer dynamically in pmapper, but i don't have
idea how can do it.
My problem:
Through another system in php, I am crossing information from various
data base (postgresql).
I want to show that georeferenced information by council through the
pmapper.
I have several layers in pmapper and would open the pmapper with
that dynamic layer.
How to do this?
I saw that there is a customlayers.php, but I could not use it.
Thanks,
Rodrigo Gaete
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