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Craig Fennel (rsc)
Posted on Monday, April 11, 2005 - 04:54 pm:   Edit Post Print Post

To All,

I've created several illustraitons at different times that contain duplicated items such as springs and/or bristles (like on a toothbrush). It seems that these sort of items bring most proceses (moving, rotating, etc.) down to a crawl. I don't mind waiting a while for the final rendering but is there a way to speed up things (such as wire frame redraw. I've tried creating symbols but that didn't seem to help. Any tips would be greatly apprecaited!

Thanks in advance,
Craig

Version 5.2
Mac (2.5 Dual - 3MB RAM - 6800 Ultra)
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support@formZ.com (tech)
Posted on Monday, April 11, 2005 - 05:07 pm:   Edit Post Print Post

Craig,

In general, the more data you have, the longer it will take to redraw. You have a good video card, and this card will be utilized more if you change your Wire Frame Options from Native Graphics to Open GL. If you have not done so already, 10.3.7 and 10.3.8 both include enhancements to the video driver, so run Software Update to get these enhancements. If you are still having trouble with a file, please send us an example so we can see exactly what you are doing. Alternately, if you are able to describe how to create such a file (perhaps move copies of a sphere with the options set to 100x...), please let us know what you are doing.

ZWebTech Support
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Bo Atkinson (boa)
Posted on Tuesday, April 12, 2005 - 06:50 am:   Edit Post Print Post

Let us first distinguish three essential tolerances of sculpture. One is the overall geometric shapes and patterns. Two is the texture or geometric shape details which are a small fraction of the overall size. Three is the microscopic shapes of molecules which account for coloration as we humans perceive it.

Bristles, on a larger object in a larger scene, are not worth much geometry because too few pixels will display. Regardless of the few displayed pixels, the render engine will work overtime tracing each un-displayable facet. The solution is to draw each bristle as one or as a few segments. Set the bristle attributes to render wires, and set to 2 or more pixels wide, (as wanted in display). For really thick bristles having virtual shading, I love GL Display, with the wanted wires all selected. The hue can be set to your choosing in menu/ options/ project colors/ highlight. GL runs very fast with your card.
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Craig Fennel (rsc)
Posted on Tuesday, April 12, 2005 - 12:31 pm:   Edit Post Print Post

Bo,

Thank you for the suggestions. I've been experimenting with your approach of drawing the bristles as segments and setting the attributes. This really does speed things up. I assume if I want to illustrate the handles that contain the bristles smaller or larger, I will need to adjust the attributes (for the bristles) separately as opposed to scaling the entire object with the bristles included (correct?).

Also, a question for ZWeb. Is there a way to reduce the "Display" to show objects as very simple outlines (such as quares or rectangles) without any detail for the purpose of being able to quickly rotate or move complex objects without waiting for full wireframe redraws each time? I think there is someting like this in Strata.

Thanks in advance.
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support@formZ.com (tech)
Posted on Tuesday, April 12, 2005 - 12:50 pm:   Edit Post Print Post

Craig,

Yes, in the Wire Frame Options / Interactive Tab you can Show Objects as Bounding Boxes (4th checkbox from the top).

ZWebTech Support
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Bo Atkinson (boa)
Posted on Wednesday, April 13, 2005 - 07:20 am:   Edit Post Print Post

Yes, but more in terms of total pixel count of output image. (Menu/Display/Image Options). You might explore short cut options to help if you do this very much-- Then, changing attributes could be second nature. CustomiZation is key.

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