doc/overview.rst
author Edouard Tisserant
Thu, 25 Mar 2021 10:13:12 +0100
branchsvghmi
changeset 3199 1582753e409b
parent 810 707e2be17a43
child 3925 1d383b4c0a23
permissions -rw-r--r--
SVGHMI: Filter unseen geometry from inkscape CSV output.

When inkscape exports geometry form all objects, then it also includes objects from svg:defs. This makes problems when deciding if an object is part of a page, since coordinate of objects in svg:defs can eventualy be contained in a page. In the end, those objects where getting detached when leaving pages where they where found, leading for exemple to non working text on clipping when the clipped text was cloned in multiple page.
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Project overview
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In order to target the widest possible range of programmable devices and keep efficient, Beremiz use C code as an intermediate language. 
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To be executed, C needs to be compiled. `GCC <http://gcc.gnu.org>`_ serve that purpose perfectly.
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PLC program is expressed in languages defined in IEC-61131, including graphical languages. Thanks to PLCopen TC2, those graphical languages have a standardised representation, in XML.
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To be continued.