On my own side, I found the following document which gives an interesting insight. http://www.dia.uniroma3.it/~scorzell/cscheme/ocas.htm regards, Loïc
On Mon, Dec 7, 2009 at 11:06 AM, Simon Loic <simon1l...@gmail.com> wrote: > Interesting, thanks a lot. > cheers, > Loïc > > > On Mon, Dec 7, 2009 at 6:50 AM, Thomas Paviot <tpav...@gmail.com> wrote: > >> Hi Loïc, >> >> The overview picture from the OCC website is a kind of functional >> architecture diagram, which does not explain anything about implementation >> details. >> >> OpenCASCADE is organized as a set of 6 functional sets: >> - Application Framework, >> - Data Exchange, >> - Visualization, >> - FoundationClasses, >> - Modeling Algorithms, >> - Modeling Data. >> >> Then each OCC python module is releated to one of this package. Marco >> Nawjin contributed a very intersesting post on this ml in march 2008: >> attached are 6 pictures that show the links between the python modules and >> those 6 packages: >> https://mail.gna.org/public/pythonocc-users/2009-03/msg00109.html (On >> these images, each red box is a python module available in pythonOCC). >> >> Regards, >> >> Thomas >> >> 2009/12/6 Simon Loic <simon1l...@gmail.com> >> >> Thanks again thomas for your advices. I'm reading Roman's blog articles, >>> and start having a clearer idea on shape definition (topology vs geometry). >>> Feel free to add any other valuable documents. In particular, it would be >>> interesting to have docuents (diagrams or whatever) explaining OCC modules >>> relationships and why not integrate externals module like salomegeom/smesh. >>> For instance I found this one http://www.opencascade.org/occ/overview/but I >>> don't consider it very informative(as one have to guess relationship >>> by oneself)... >>> Anyway, I think I start to understand how things are organized : >>> The core object is the TopoDS_Shape class, and then there are in on hand >>> geometrical/topological algorithms to modify/create them and in the other >>> hand viewers to visualize them. >>> Is this right? I guess things are more complex than that. >>> friendly, >>> Loïc >>> >>> >>> On Sun, Dec 6, 2009 at 3:17 PM, Thomas Paviot <tpav...@gmail.com> wrote: >>> >>>> >>>> >>>> 2009/12/6 John Griessen <j...@industromatic.com> >>>> >>>> Thomas Paviot wrote: >>>>> the most important concept to start with (and to >>>>> > understand) is the topological data model on which OCC is built. The >>>>> > TopoDS_Shape class (and it's derivatives TopoDS_Edge, _Face, _Wire >>>>> etc.) >>>>> > is the big deal. Everything in OCC is based on this object (topology >>>>> > building, geometry, data exchange etc.), >>>>> > - as a consequence, the best introduction to the OCC kernel is the >>>>> Roman >>>>> > Lygin's blog: http://opencascade.blogspot.com/. I suggest you start >>>>> with >>>>> > the "Geometry and Topology in OpenCascade" >>>>> > chapters: >>>>> http://opencascade.blogspot.com/2009/02/topology-and-geometry-in-open-cascade.html >>>>> > . Roman definitely knows OCC perfectly and is able to share his >>>>> > knowledge in a very clear manner. >>>>> >>>>> Thanks, I'll read that. I'm new too. >>>>> I'm interested in open hardware development and manufacturing niche >>>>> market products and selling them. >>>>> >>>>> John Griessen >>>>> Austin Texas >>>>> >>>>> >>>> Hi John, >>>> >>>> Welcome to you. Feel free to share your first experiments with us and to >>>> ask for any help. Questions from new users questions are often fundamentals >>>> and give a very interesting feedback. >>>> >>>> Best, >>>> >>>> Thomas >>>> >>>> >>>> _______________________________________________ >>>> Pythonocc-users mailing list >>>> Pythonocc-users@gna.org >>>> https://mail.gna.org/listinfo/pythonocc-users >>>> >>>> >>> >>> _______________________________________________ >>> Pythonocc-users mailing list >>> Pythonocc-users@gna.org >>> https://mail.gna.org/listinfo/pythonocc-users >>> >>> >> >> _______________________________________________ >> Pythonocc-users mailing list >> Pythonocc-users@gna.org >> https://mail.gna.org/listinfo/pythonocc-users >> >> >
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