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VW2018 section viewports very slow

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After setting up two new projects in 3d, we realize that the software has become insanely slow.
Especially when creating section viewports from the 3d model.
We can't work like this...
The hidden line-rendering of a view or a section takes 10 - 30 seconds (we are still in the early design stage !) depending on the project...

Since our new Mac minis were  not recommended for VW 2018 according to nemetschek information due to the poor internal graphics card, we have strengthened them with a powerful external graphics card. 
However, this obviously has no advantage at all with hidden line rendering, which we used for the section views.

I have attached my mac-configuration below: actually this should be a very powerful hardware...

Maybe the mistake is somewhere else, but we definitely don't know what we're doing wrong.

Bildschirmfoto 2019-02-11 um 14.41.11.png

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I suspect there is some detailed 3D geometry slowing the VP updates. I had the same thing happening and then discovered it was some curvey custom door handles with I had inserted. I turned their class to invisible in the vp and the renders speed was back to normal. 

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@gentlegiant67 I'm not sure about this, but when you go in your section viewport, select the corresponding section view, and then go into the Object Info Palette and scroll to the bottom of it, there's something like "advanced parameters" or "advanced options" or whatever this is called in English.

Click on that, an go to "display", there's a check-box for "3D resolution display". I founs that setting this option to "low" significantly reduced the rendering time.

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It's called "3D Conversion Resolution" in the section settings. Just set this lower then it shoul'd work fine.

On 2/12/2019 at 3:26 PM, gentlegiant67 said:

actually this should be a very powerful hardware... 

It's not very powerful. I wouldn't want to draw large scale projects on that.

Edited by herbieherb
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