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I would like to know the architecture of QGIS: relationships between QGIS and other open sources, and what elements are implemented in the QGIS.

Usually, There is a diagram showing the architecture of a software such as arcobjects. Even it is simple like Geotools's architecture, it is useful to understand internal structure of a software.

Thanks a lot.

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Dont think the moderators will approve of this type of question. Did You check here: qgis.org/en/about-qgis.html –  Gerald Feb 7 '13 at 10:55
Do you have an example, as in links, of what you had in mind. If we don't have one for QGIS I'm sure we could make one at some stage. –  Nathan W Feb 7 '13 at 11:07

2 Answers 2

There is this one (but it's old):

enter image description here

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As per your question (Like comparing to Arc-objects UML diagram no such diagram exists or may be under processing)

But check out this link it might be useful for you.

For Architecture_ Roadmap. Hope it will help you..

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