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algorithmic modeling for Rhino

Janusz Kozlowski
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Fit Line problem
5 Replies

Hi everybody, I encountered the strange problem regarding curve orientation after having used Fit Line. As input I give a series of points, and analyzing the output curve I found that not always the…Continue

Started this discussion. Last reply by Janusz Kozlowski Jan 9.

Solid creation
1 Reply

HiI have created 3D curve and tried to extrude a circle along it  (use it as a sweep1 rail).The curve is composed of two pieces (1st order continuity) and I'm unable to convert the sweep in solid.I…Continue

Started this discussion. Last reply by Hyungsoo Kim Jun 26, 2016.

Parametric curve
2 Replies

I didn't found possibility of defining the curve as: x(t); y(t) z(t).Some solution is to define like this a set of points and then interpolate it.Would it be the only solution? In my case x, y, z (t)…Continue

Started this discussion. Last reply by Janusz Kozlowski Jun 24, 2016.

 

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Janusz Kozlowski replied to Janusz Kozlowski's discussion Fit Line problem
"I applied workaround for that problem but thanks anyway!I like your solution and will keep it in mind! "
Jan 9
Tom Jankowski replied to Janusz Kozlowski's discussion Fit Line problem
"you could try least square with n = 1"
Jan 9
David Rutten replied to Janusz Kozlowski's discussion Fit Line problem
"Not at the moment. I guess it makes sense to add this sort of check into the next version of the component. "
Dec 20, 2016
Janusz Kozlowski replied to Janusz Kozlowski's discussion Fit Line problem
"Thanks David!...so, no escape ;o)"
Dec 20, 2016
David Rutten replied to Janusz Kozlowski's discussion Fit Line problem
"The point fitter algorithm does not take the order of the input into account at all, it just assumes the points are provided in a random order. The same is true of other operations such as curve joining, the order of the output has little to nothing…"
Dec 20, 2016
Janusz Kozlowski posted a discussion

Fit Line problem

Hi everybody, I encountered the strange problem regarding curve orientation after having used Fit Line. As input I give a series of points, and analyzing the output curve I found that not always the first point becomes the starting point of the line(some times becomes end point!) In attached piece of my diagram you can see seven lines, each defined by series of points and extracted their Start and End positions - in two cases the orientation of lines are inverted with respect to the order of…See More
Dec 20, 2016
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Oct 4, 2016
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Oct 3, 2016
Antonio Turiello commented on Janusz Kozlowski's photo
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"Hi Janusz, I'm glad that my consulting helped you to do it, through my ribs approach. Thanks for sharing it!"
Oct 3, 2016
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Oct 3, 2016
Janusz Kozlowski posted photos
Oct 3, 2016
Hyungsoo Kim replied to Janusz Kozlowski's discussion Solid creation
"Hi. Your two different point sets have their own data tree structure so, they won't be merged proprely. Check the red group. Best.  "
Jun 26, 2016
Janusz Kozlowski posted a discussion

Solid creation

HiI have created 3D curve and tried to extrude a circle along it  (use it as a sweep1 rail).The curve is composed of two pieces (1st order continuity) and I'm unable to convert the sweep in solid.I tried also pipe but besides the above I observe the strange overlapping "shapes" around junction, and first points of the curve.Thanks for any indication!See More
Jun 26, 2016
Janusz Kozlowski replied to Janusz Kozlowski's discussion Parametric curve
"Thanks, was very useful!"
Jun 24, 2016
David Rutten replied to Janusz Kozlowski's discussion Parametric curve
"Hi Janusz, see this thread about various types of curve expressions."
Jun 22, 2016
Janusz Kozlowski posted a discussion

Parametric curve

I didn't found possibility of defining the curve as: x(t); y(t) z(t).Some solution is to define like this a set of points and then interpolate it.Would it be the only solution? In my case x, y, z (t) are based on sin and cos (curved 3D spirals) so it was much simpler the direct definition than interpolation... See More
Jun 21, 2016

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