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On 20/01/11 05:34, Paolo Pannarale wrote:
> Dear Dr. Miller I'm developing an application using the cellml api. I'm
> facing some issues about dealing with math elements...
> I need to read the math elements and their structure and to create new
> ones...but I couldn't find any documentation about.
> Do you have any suggestion about how to proceed, any programming
> examples or documentation?
> I couldn't find the doxygen documentation usefull nor any discussion in
> the tracker.

Hi Paolo,

The CellML API implements the MathML DOM, which is defined externally;
you may find the specification useful to describe what each operation
and attribute does:
http://www.w3.org/TR/MathML2/appendixd.html

The mapping between the IDL specification provided by W3C and the way it
is used in C++ code is the same as the mapping used for the rest of the
CellML API.

Note that the MathML API is built on top of the DOM API - things like
creating elements are done using the DOM API. See
http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html for
the specification of the DOM.

Once you have a CellML Element, there is a CellML specific API for
creating the outer <math> element and adding it to the model - from
there you can use the standard MathML and DOM APIs.
From:
http://cellml-api.hg.sf.net/hgweb/cellml-api/cellml-api/raw-file/default/interfaces/CellML_APISPEC.idl

On Model:
/**
* Creates a new MathMLMathElement.
* @return The new MathML math element.
*/
mathml_dom::MathMLMathElement createMathElement();

MathContainer supports addMath, removeMath, replaceMath, as well as
obtaining a MathList to enumerate the maths. CellMLComponent and Role
both extend MathContainer; from C++, you can just use those operations
after obtaining a CellMLComponent or Role.

Best wishes,
Andrew

> Best regards, Paolo Pannarale
>
> --
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> knowledge, which I notice resides in me more than in most other
> men. And wherewithal, whenever I found out anything remarkable, I have
> thought it my duty to put down my discovery on paper, so that all
> ingenious people might be informed thereof.?
> (van Leeuwenhoek, Letter to the Royal Society, June 12 1716)
>
> ?Make it as simple as possible. But not simpler?.
> (Albert Einstein)
>
> "The best way to predict the future is to invent it".
> (Alan Kay)
>
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• [cellml-dev] Math and Cellml, Andrew Miller, 01/20/2011

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