Thanks Martijn for your help, I understand that it doesn't really matter which
technology someone uses on server side to deliver the data, so I can use SA or
GeoSA to do this, is it correct? I also think that it only depends of what
software someone is already using, well in my case OL, GeoExt, Ext, PG, is this
right? So, as long as the data returned by the server side service is formatted
as geojson (because point/line/polygon/etc... are stored in my PG db), I can
use that data in the javascript in my web interface. I don't understand well
your code, but it should reflect the above info. I've read that SA/GeoSA is
difficult to understand at the beginning, but it's worth to learn because it
can be a very strong toolkit to develop future projects. Well you're right
about the tools, I'm using mod_wsgi after reading several things in internet,
also the python DB API driver and now I can connect my PG tables with python,
but so far I don't understand how to link this with OL protocol or GeoExt url.
Thanks again for you answer and I'd be cool to have some further ideas about
this.
Cheers,
Gery
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From: mart...@xs4us.nu
Subject: Re: [sqlalchemy] how to get into PG database, is the "url" the right
way? newbie question
Date: Sat, 18 Aug 2012 02:36:16 +0200
To: sqlalchemy@googlegroups.com
or take a look at this:
var store = new GeoExt.data.FeatureStore({
layer: sundials,
proxy: new GeoExt.data.ProtocolProxy({
protocol: new OpenLayers.Protocol.HTTP({
url: "sundials.kml",
format: new OpenLayers.Format.KML()
})
}),
fields: [
{name: 'title', type: 'string'},
{name: 'description', type: 'string'}
],
autoLoad: true
});
which looks way different than your code….
use mod_python (better not)use mod_wsgi (Good!)use CGI of FastCGI (not that
good)
GeoExt uses ext 3.3 which is a hazzard in its own rights since 4.x is so much
better (consistant) , faster and more stable, I guess GeoExt is over a year
behind reality. If you use that try if you can wait for GeoExt2
On Aug 18, 2012, at 02:24 , Martijn Moeling <mart...@xs4us.nu> wrote:I have
made this for my project and I do not see why you are using Openlayers for
this.This has nothing to do with sqlalchemy.
off topic: Ext.form.Panel has no 'protocol' so I think you should extend
FormPanel to include that functionality. Ext.direct is the way to go for stuff
like this.
On Aug 14, 2012, at 19:05 , Gery <geryherb...@gmail.com> wrote:
any ideas?? basically the idea is how to search inside a database being outside
the database, especifically through SqlAlchemy from OpenLayers?
On Monday, August 13, 2012 9:23:43 PM UTC+2, Gery wrote:
Hello, I'm new around here and I've been using SQLalchemy (SA) for a while. I
work with PostGis (PG), OpenLayers (OL), ExtJS, GeoExtJS and now with the great
SA and GeoAlchemy. I have one problem, I created a model where I defined one
table of my PG database, it has a url like this: url =
'postgresql://postgres:password@localhost:5432/pgdb'. In my HTML, I have some
maps displayed with OL and a toolbar built with ExtJS and GeoExtJS. I put a
search button there using ExtJS, and the OL protocol code to get the data. This
protocol has an url option, in this way:
var searchformPanel = new Ext.form.FormPanel(
{
width: 250,
bodyStyle: 'padding:5px',
labelAlign: 'top',
defaults:
{
anchor: '100%'
},
protocol: new OpenLayers.Protocol.HTTP(
{
url: 'http://localhost/mop/py/dbmodel.py',
format: new OpenLayers.Format.GeoJSON()
}
),
items:
etc,etc......
my problem is that in this url I wrote the whole path where my model script is
located, but after pressing the button I got nothing. I think I need something
else rather than only pointing the whole path and the python script in the url
mentioned above, is that correct? I've searched "how to connect sqlalchemy to
extjs" in google but didn't find any that solved this doubt.
Any support is very welcome, thanks in advance.
Best regards,
Gery
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