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Sunday, June 14, 2020

Comments

JC

ST seems cool in a lot of ways but I don't see it as superior to history based, just a different way to model and edit with its own pros and cons. It appears to fall down on complex geometry which is where the long rebuild in history model is at its worse. I have some parts that I don't know how ST in Solidedge could edit them because there is curve to them and/or extremely complex intersections of geometry.

I imagine once you learn it, its not bad and flows well, but I must admit the UI looks daunting....a lot of button selections.

BobM

"Your reader believes that direct modeling is the next thing."

I nothing of the sort... I was simply pointing out that Ralph's reasoning for why Synchronous is not as wide spread is based on nothing but his dislike for Solid Edge. Which you seem to be cut from the same cloth.

And I don't think Spaceclaim's problems have anything to do with Direct Modeling on a whole. Their failure to attract enough customers had more to do with their single minded approach. Solid Edge has always been able to deal with both Parametric and Direct Modeling.

As Dan Staples said back in 2018:

"One might also wonder why if synchronous technology is as beneficial as its proponents claim, it’s not a more widespread paradigm. Staples believe the reason is that Siemens is just that far ahead of the technological curve, in large part because of its ownership of the Parasolid kernel and D-Cubed constraint solving SDK. But perhaps there’s a simpler reason, which he summarized nicely: “engineers are not people who like to change a lot.” History-based parametric modeling is still the dominant paradigm in the CAD world and, despite its drawbacks, it works just fine."

https://www.engineering.com/DesignSoftware/DesignSoftwareArticles/ArticleID/16587/Whats-the-Difference-Between-Parametric-and-Direct-Modeling.aspx

BobM

" ST, however, suffers from being very hard to understand and implement, because you have to figure out stuff before you start drawing -- the very opposite to what direct modeling is supposed to offer -- and so few SE and NX users use it. "

ST does NO suffer from being VERY hard to use... Ralph, it's your bitterness towards Solid Edge once again that taints your opinion. Granted in the first few releases there were many issues with using Synchronous, and I was one of it's biggest critics at the time. However the Developers at Solid Edge made huge improvements to the GUI to help ease the understanding of just how it works. The ONLY people who find it difficult to use are those like yourself who are too stuck in their "OLD" ways to see it's brilliance.

Synchronous has matured into one of the best improvements in 3D CAD in the past decade and has saved my company countless time and money, so I'm not sure why you still hang on to such "old" perceptions and biases.

How much time have you ever spent using Synchronous Technology, and how honest of an attempt did you make to actually understand it? I've been using MCAD since the mid 80's going all the way back to Personal Designer from Computervision.

Or maybe you just can't say what you truly feel as to not upset the folks at AutoCAD or Dassualt eh.

Gal Raz

If SpaceClaim is the evidence for the success of direct modeling, no wonder why the CAD industry is not investing there.
Your reader believes that direct modeling is the next thing. The truth is that it is an old technology that has been around way before the history/feature-based CAD and lost to the history-based systems.

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