[postgis-users] Flow Diagram Graphics

Andreas Neumann a.neumann at carto.net
Thu Aug 21 10:03:52 PDT 2008

Hi Bob,

Do you mean flowcharts in the sense of an org-chart? Rectangles or other 
shapes connected with arrows?

I am not so sure if this is the strength of GIS software. There are tons 
of commercial and OS Software packages out there for flowcharts, 
starting with Visio and Inspiration on the commercial side, and 
continueing with dia, graphviz, kivio and others on the OS side. Most of 
these packages support SVG export - some of them are also scriptable - 
means usable on a webserver.

I agree that SVG makes a lot of sense for presenting flow-charts.

Do you need to generate those flowcharts automatically - db-driven?

What specific GIS feature are you intending to use for the flowchart 


Bob Pawley wrote:
> As some of you may know, I am working with Postgis to create a flow 
> diagram. So far, considering the challenges and my learning ability, I 
> have been making good progress.
> I have been using QuantumGIS as a graphical tool. However I now think it 
> is time to seek a graphic display that is more suitable for my purpose.
> Ideally, I would want the display area to be full screen, limited pan 
> and zoom and be able to lock the needed Postgis table(s) to the display.
> I have looked at developing SVG for this purpose, but it looks rather 
> intimidating for my level of competance.
> Would anyone have an idea for a solution that they may wish to share??
> Bob
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Andreas Neumann
Böschacherstrasse 6
CH-8624 Grüt (Gossau ZH)
Phone: ++41-44-2736668
Email: a.neumann at carto.net

Web: http://www.carto.net/neumann/
SVG Examples: http://www.carto.net/papers/svg/samples/
SVG.Open: http://www.svgopen.org/

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