topic Re: JMP > Graph Builder > Customize > Set Arrowhead syntax? in Discussions

JMP > Graph Builder > Customize > Set Arrowhead syntax?

Thierry_S — Sun, 11 Jun 2023 11:24:10 GMT

Hi JMP Community,

I stumbled on a simple problem that I cannot resolve: I would like to draw two-headed arrows in a Graph Builder plot via the Customize option.

Specifically, using the Arrow () function, I can only get single-headed arrows and the Set Arrowhead () command is not recognized (see script below).

I also tried to modify a V line segment, but the Set Arrowhead () command does not work either. Hence, I believe that the Arrow and V Line objects are not directly modifiable, and I would need your help to figure out the proper syntax to make it work.

Pen Color( red );
Ar1 = Arrow( {4, 0.035}, {4, 0.1} );
Ar1 << Set Arrowhead ("Both"); // Does not work

Seg1 = V Line (4, 0.035, 0.1);
Seg1 << Set Arrowhead ("Both"); // Does not work

Any hints would be appreciated.

Best,

Re: JMP > Graph Builder > Customize > Set Arrowhead syntax?

jthi — Thu, 28 Apr 2022 16:14:50 GMT

Seems like Arrowhead() is related to Line Seg(). Maybe you have to plot to arrows in opposite directions to get what you want in graph builder:

Pen Size(4);
Arrow([10 30 10], [88 22 88]);

Re: JMP > Graph Builder > Customize > Set Arrowhead syntax?

Thierry_S — Thu, 28 Apr 2022 16:52:52 GMT

Hi @jthi,

We think alike: it is the workaround I decided to use, but I am still curious about the possibility of modifying Graphics Script elements. It looks like in the plot structure, the added arrows are not reported as an element.

Thanks.

Best,