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Apr 29, 2014


Dave Lorenzo

Ralph you stated that:

Now that the IntelliCAD Technical Consortium is over the huge, multi-year hurdle of rewriting IntelliCAD 7 (so as to remove all Microsoft-owned code found in IntellICAD 6 and earlier),

This is not the case. Our goal for IntelliCAD 7 was not to remove existing Visio/Microsoft code but to refactor our usage of the ODA libraries.

Previously in IntelliCAD 6 we only used the ODA libraries for read/write of DWG files and we maintained our own internal database. This caused a lot of delays when porting to new ODA updates as it required us to make huge modifications to our core database code and did not allow us to properly handle custom objects.

We redesigned IntelliCAD 7 to utilize ODA as our internal database so now we properly support custom objects, exposed a new C++ API, and greatly simplified our ODA updates. This effort took a lot of time and resources as all internal commands were refactored and this also completely changed our entire graphics engine.

However, we still have a lot of Visio/Microsoft code in IntelliCAD as there are hundreds of man years of experience/work that would be senseless to rewrite.

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