Accessing ptnum on a wrangle

[davidyannick]

I'd like to connect points with vex, how can I access @ptnum for the second input of the wrangle ?

Thanks

line.hiplc

[Librarian]

have a look at this file

 

[DonRomano]

Depending on what you're trying to do, you can either use the nearpoint() function which will return the closest point of the geo in the second input (to the point you're iterating on), or maybe you can setup a custom id attribute on both points, and then use the findattribval() function to find the corresponding point. Another possibility is to iterate through a point cloud, and there are many other way..

 

Cheers

[konstantin magnus]

Hi David,

if both inputs have the same number of points, you can refer to the other streams position using v@opinput1_P

int pt_add = addpoint(0, v@opinput1_P);
addprim(0, 'polyline', i@ptnum, pt_add);

KM_line.hipnc

Edited April 8, 2020 by konstantin magnus

[Skybar]

There is a preset on the point wrangle to grab second input attribute by id:

[davidyannick]

thanks to all for your help !