verts

Thanks Zach,

That simple little example makes more sense than the manual page did. Perhaps it's just late.

I appreciate it.

Steven

···

On Mon Apr 8 22:30:43 2013, Zachary Pincus wrote:

I've got some verts I stole from the internet that draws an upward arrow
(or a down arrow), but I need to draw an arrow to the right or to the
left. But I don't really understand verts and how they work.

arrowup_verts = [[0.,0.], [-1., -1], [0.,0.], [0.,-2.],[0.,0.], [1,-1]]
arrowdown_verts = [[0.,0.], [-1., 1], [0.,0.], [0.,2.],[0.,0.], [1, 1]]

plot them like...

scatter(1,1,s=100, marker=None, verts=arrowup_verts)

Can someone make me new verts for the right and left arrow? Then, maybe
tomorrow, explain how I was supposed to know what to do.

Draw a line from (0,0) to (-1, -1) on the X-Y plane, and then to (0,0) again, and then continue so forth for all the (x,y) pairs in arrowup_verts. You will notice they form a nice little arrow pointing up. (At some point in this process, you should note that "verts" is short for "vertices". As in vertices of a polygon or poly-line.)

It would seem that the origin of the "verts" coordinate system is translated to the (x,y) data position at which each marker is plotted.

This should give you, I presume, sufficient information to figure out your own left and right arrows, no? Or any other shape you should care to plot...

Zach

Thanks y'all

Steven

--

Steven Boada

Doctoral Student
Dept of Physics and Astronomy
Texas A&M University
boada@...3847...

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Steven Boada

Doctoral Student
Dept of Physics and Astronomy
Texas A&M University
boada@...3847...