Sarkar, can you tell me how you went about making the
decision on Parasolid, when did this take place?
Biplab Sarkar): Back when I joined the company coming
from PTC (Parametric Technology Corporation) my focus
was on making Vectorworks strong in modeling. At that
time we adopted geometric modeling kernel from SMLib.
In 2004 Gray Crocker, a co-founder of SMLib, broke
off from that group and formed IntegrityWare to further
develop the solid modeling libraries. We continued
to utilize these libraries until our decision a few
years ago to look for a better modeling kernel.
you were using both SMLib and Solids++?
The technology stayed the same, just the companies
me how you and Sean Flaherty CEO approached your
superiors in Munich about the idea of adopting
I'm assuming you needed some approval given
the cost considerations, right?
Yes…(laughs). Sean Flaherty and
later myself went to Munich and broached the
subject with the CTO and others at Nemetschek
AG. We didn't go ask straight out, we brought
it up. It turned out they were very interested
with this idea.
So they said go for it….
BS: Absolutely. They are also interested with
addressing the same issues we were having in
Vectorworks with ALLPLAN.
So nearly two and a half years ago you did this.
Who else was on your short-list…did you look
at Spatial's ACIS?
We looked at ACIS but in the end we believed
Parasolid was the better choice. My experiences
with the first few releases of SolidEdge (based
on ACIS) and Pro/Desktop (based on Parasolid)
made me a believer in Parasolid.
What are the three main strengths that Parasolid
Performance. Stability. Consistency.
Okay, I understand the first two, what do you mean
I mean consistency of results. For example, with
some kernels if you are many levels deep into
the manipulation of a solid, and then you perform
a range of offsets you may get differing results.
This is what is referred to as "robustness"?
Yes. Parasolid is the most robust, industrial
strength modeling kernel in the world. And Vectorworks
2009 is now powered by this.
You could now go out and compete with SolidWorks
and even Siemens' own SolidEdge and offer
the world the first mid-level, industrial MCAD
product. Will you do that?
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