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Guide Surface Cover tool - Guide Surface Cover tool; unexpected error
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Art Smith  
#1 Posted : Tuesday, February 16, 2016 12:51:16 PM(UTC)
Art Smith

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will the "Join Curve" tool join two curves/line segments with a gap present?? if not, given the tool's name, does anyone have any ideas/thoughts on why a "gaps detected in curves error" is appearing after only selecting the tool and the interpolate spline shown in red?? the instructions in the user's guide seem pretty straight forward.................

Art
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Art Smith attached the following image(s):
Guide Cover Surface.JPG (75kb) downloaded 20 time(s).

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Tim Olson  
#2 Posted : Tuesday, February 16, 2016 1:37:14 PM(UTC)
Tim Olson

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>>does anyone have any ideas/thoughts on why a "gaps detected in curves error"

It will display that error if the boundary curves don't form a closed loop.

Is it possibly a selection order issue? The first curves you select are the closed boundary curves. Then you pick the guide curve.

In example below green curves are boundary and blue is guide.

If that is not the issue, could you post the boundary and guide curve file?

Tim

Edited by user Tuesday, February 16, 2016 1:38:59 PM(UTC)  | Reason: Not specified

File Attachment(s):
coverGuide.sfx (32kb) downloaded 6 time(s).
Tim Olson attached the following image(s):
Screen Shot 2016-02-16 at 1.34.35 PM.png (106kb) downloaded 6 time(s).

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Tim Olson
IMSI Design/Encore
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Art Smith  
#3 Posted : Tuesday, February 16, 2016 8:27:41 PM(UTC)
Art Smith

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Tim-

after completely redrawing the geometry, neither the Split Surface tool or the Guide Surface Cover tool are behaving as expected. the Split Surface tool is squawking about coincident points between the split curve and the boundary of the surface; error or feature?? the Guide Surface Cover tool now likes the closed curve input first (ie: the joined halves of two ellipses projected onto the surface), BUT it now sends TWO errors without regard to if one of straight green lines is selected as a guide or the spline is selected as the guide. first error is: cannot recognize a circuit and the second error message that appears on clearing the first: Invalid wireframe for cover surface. see attached image.

"post" how & where, the current file is 130Mb. I can copy the file and delete the "assumed" unrelated layers to get something smaller. my internet provider limits me to sending files ≤20Mb.......

Art
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Art Smith attached the following image(s):
Split Surface and Guide Surface Cover tools again.JPG (96kb) downloaded 6 time(s).

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Tim Olson  
#4 Posted : Tuesday, February 16, 2016 10:07:21 PM(UTC)
Tim Olson

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>> "post" how & where, the current file is 130Mb.

Hi Art

Let's see if we can get just the curves used in the command.

1. Select only the curves you are using to create the cover with guide surfaces.

2. Select : Edit Copy

3. File : New

4. In the new drawing pick Edit : Paste

5. Save As new File.

Once you save the file, which should be very small, add this file as an attachment to a forum Post. On the left side of the reply is an option for "Attach files to this post"

Tim


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Art Smith  
#5 Posted : Tuesday, February 16, 2016 10:18:26 PM(UTC)
Art Smith

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Tim-

file attached

Art
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File Attachment(s):
much smaller file for fault isolation.sfx (51kb) downloaded 12 time(s).

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Art Smith  
#6 Posted : Wednesday, February 17, 2016 1:08:14 PM(UTC)
Art Smith

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more observations:

Art
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Art Smith attached the following image(s):
split surface tool mod 3.jpg (82kb) downloaded 6 time(s).

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Art Smith  
#7 Posted : Wednesday, February 24, 2016 2:36:20 PM(UTC)
Art Smith

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reference: http://forum.punchcad.co....aspx?g=posts&t=7768

Art
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Art Smith attached the following image(s):
cover surface with guide question.jpg (49kb) downloaded 10 time(s).

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Art Smith  
#8 Posted : Wednesday, February 24, 2016 2:39:12 PM(UTC)
Art Smith

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reference:

Edited by user Wednesday, February 24, 2016 2:44:01 PM(UTC)  | Reason: Not specified

Art Smith attached the following image(s):
Guide Cover Surface sfx User Guide help with arrows.JPG (57kb) downloaded 12 time(s).

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Tim Olson  
#9 Posted : Thursday, February 25, 2016 2:48:55 PM(UTC)
Tim Olson

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Hi Art

In the example file you uploaded, I'm not sure what curves you are using for the boundary and what curves are guides. If this is still an issue would it be possible to provide an example that only has the boundary and guide curves?

If you are looking for some more info on Covers, I have some additional resources:

Covering PDF

Cover Video


Tim

Edited by user Thursday, February 25, 2016 3:11:54 PM(UTC)  | Reason: Not specified

Tim Olson
IMSI Design/Encore
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Art Smith  
#10 Posted : Friday, February 26, 2016 9:10:21 AM(UTC)
Art Smith

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Tim-

here's the requested file and a "program" to identify all the players......

Art
[email protected]
File Attachment(s):
Guide Cover Surface fault isolation example 02-26-16.sfx (28kb) downloaded 7 time(s).
Art Smith attached the following image(s):
Guide Cover Surface fault isolation example program.JPG (58kb) downloaded 6 time(s).

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Tim Olson  
#11 Posted : Friday, February 26, 2016 2:38:27 PM(UTC)
Tim Olson

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Hi Art

The Cover with Guides fails for this shape with the ACIS error message "Guide Curve projects outside circuit in advanced covering". The guide curve needs to project to a unique position within the boundary curves but cannot due to the convexity of the curves. So we cannot use a Cover with Guide with this geometry.

How about a skin surface? I segmented the projected ellipse and made a skin surface which is attached.

Tim

Edited by user Friday, February 26, 2016 2:40:42 PM(UTC)  | Reason: Not specified

File Attachment(s):
skin.sfx (33kb) downloaded 6 time(s).
Tim Olson attached the following image(s):
skin.png (138kb) downloaded 5 time(s).

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IMSI Design/Encore
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Art Smith  
#12 Posted : Friday, February 26, 2016 5:00:24 PM(UTC)
Art Smith

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Tim-

thanks. in spite of very public rumors and newspapers articles to the contrary, after going on three weeks (and two undocumented constraints & this TBD), it now appears the old guy hasn't completely lost it after all.............

ACIS "bug" or "undocumented feature" ??

or ACIS functions were never intended to work with concave boundary curves??

how about convex boundary curves?? or is the current tool only good for planar boundary curves?

as for two skin surfaces, I'll have to think about it. the "leading edge" as a minimum has to have a radius and after thirty seconds of thought I'm not sure how to go about that. two skin surfaces I'm guessing will yield a line (ie: sharp edge)...........

Art
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Art Smith  
#13 Posted : Monday, February 29, 2016 10:35:35 PM(UTC)
Art Smith

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with curves on concave surfaces out, both alternate formulations have hit road blocks.

1.) is there any way to adjust/demand the Guide Cover Surface" tool observe both the supplied boundary curve and guide curve??

2.) are there setting(s) I'm missing on Skin/Loft tools that would eliminate the current bellows like results...............?

Art
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Art Smith attached the following image(s):
guide cover surface - alternate formulations 1of 2.jpg (85kb) downloaded 6 time(s).
guide cover surface - alternate formulations 2of 2.jpg (55kb) downloaded 6 time(s).

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