Grasshopper

generative modeling for Rhino

Wim R.M. Dekeyser
Wim R.M. Dekeyser
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Wim R.M. Dekeyser's Discussions

SrfGrid question
2 Replies

Hi,back in 2004 I wrote a script to make a 3D surface based on iso-elevation curves in the XY-plane. It was too slow to be useful but I could never shake the idea off me... I'm now trying to do the…Continue

Started this discussion. Last reply by Wim R.M. Dekeyser May 4, 2011.

Sensor data acquisition
15 Replies

Hi, I have a load cell that is hooked up on a…Continue

Started this discussion. Last reply by Andy Payne May 3, 2011.

Lists
4 Replies

Hi,I suppose this is a basic one - I keep running into problems with this though...I have a VB component with 2 inputs: a double and a list of doubles. I want to check if the elements in the list are…Continue

Started this discussion. Last reply by Wim R.M. Dekeyser Jan 25, 2011.

TimeDate
2 Replies

Hi,how do I get TimeDate functions to work in a VB.Net component in Grasshopper?I have a list with dates coming into the component and I want to find out how many days there are between the smallest…Continue

Started this discussion. Last reply by Wim R.M. Dekeyser Dec 11, 2010.

 

Wim R.M. Dekeyser's Page

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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'SrfGrid question'
Thanks, Chris! I put a slider into the U-count and tried values from 1 to 60 (I have 9 input curves). I get surfaces at 2, 4, 8, 19, and 38. All are nonsensical surfaces though... wim
May 4, 2011
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Chris Tietjen replied to Wim R.M. Dekeyser's discussion 'SrfGrid question'
Fooling around with this a little bit it seems that the U-count has to be the same as the number of curves.  Just an experimental observation though....not really getting the theory of it.   Chris
May 4, 2011
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SrfGrid question

Hi,back in 2004 I wrote a script to make a 3D surface based on iso-elevation curves in the XY-plane. It was too slow to be useful but I could never shake the idea off me... I'm now trying to do the same in Grasshopper and, 2 days into the project, I have a grid of 3D points that I'm trying to turn into a 3D surface. I'm trying to feed the points into the SrfGrid component but get an error message saying "The UCount value is not valid for this amount of points."As shown in the attached picture,…See More
Discussion posted by Wim R.M. Dekeyser May 3, 2011
2 Comments
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Wim, I'll try to look more into this problem over the next day or two.  I should say I've added some more code so that hopefully it will no longer try to record empty or null data.  Unfortunately, this wont be available until…
May 3, 2011
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eric brown replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
I'm having the same problem!   I have a sensor that constantly broadcasts a stream of ascii data that I can read with Hyperterm (with some difficulty) and 'Advanced Serial Port Terminal'.  But with Firefly all I get is…
May 2, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Andy, Easter vacation on this side... Don't worry, I'm definately not blaming you for not knowing the spider! It is kinda frustrating, though :-) Just a double check: in the basic setup as in this picture:   ... and on a PC…
Apr 19, 2011
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Wim, This all sounds very weird to me too... I'll have to take a further look.  From your image, I think you have the Clean Tree component too high in your sketch... What I was suggesting was to remove all the null and empty items from…
Apr 15, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Andy, I've installed a new version of Grasshopper just now and see that it behaves a bit differently. Whereas the non-null items in the list perviously just were empty lines, it now states <empty>. I put in a Clean Tree but as far as I…
Apr 15, 2011
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hey Wim, Hmmm... I hadn't accounted for the nullable items in the Data Log... but I can see how this would be causing some problems.  I will add some code so that it only adds valid values to the Log (so it wont include null items). …
Apr 14, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Andy, Weird... This morning, I thought I'd turn the boolean toggles to False before hooking up the spider hardware to the PC and when I opened the grasshopper definition, the Hooray message was still showing. Yesterday, I noticed that when I…
Apr 13, 2011
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Wim, If you've gotten the "Hooray" message, then at least we're making a connection to the correct COM port.  When using the Generic Serial Read, you need to give it the same COM port as you used in the Open Port…
Apr 12, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
An update, Andy, here at work, using the COM port and not having the spider window running in the background, I now get the Hooray! message. :-) Cool!   I now hooked up a generic serial read component on the port and put the Msg output into a…
Apr 12, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi again, In that case we (or rather, I) have a problem. When using the spider program (which first gives me a dialog where the interface is picked - LPT, COM, USB) works through the USB interface but now Firefly returns an empty list from the Ports…
Apr 11, 2011
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Hi Wim, Yes, Firefly listens to any serial port (virtual or otherwise).  The arduino, for example, uses a USB cable to send serial communication to/from the computer.  When data from the arduino is printed to the serial port... the Firefly…
Apr 11, 2011
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Wim R.M. Dekeyser replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Andy, Yes, that makes sense.   But I guess I'll have to try again tomorrow when I'm back at work. I don't have a docking station here and my laptop doesn't have a serial port. While the spider has an adapter cable from…
Apr 11, 2011
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Andy Payne replied to Wim R.M. Dekeyser's discussion 'Sensor data acquisition'
Does the spider hardware print info without that window being open?  What I'm thinking is that the port is open by the Spider software (to visualize the data) and because the port is open by another software program, then GH can't…
Apr 11, 2011

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