QuiverS

Quiver vector plot with reference vector showing scale

Description

Quiver vector plot function with reference vector showing the scale of the vector magnitude. Scale location adjustable as well as units. Best used foe publication or technical papers when color is an issue.

• MATLAB release: MATLAB 6.5 (R13)

[Pär-Ola]

Use the following patch to get correct placement of label inside rectangle if using 'XDir' = 'Reverse'

--- /tmp/quivers/quivers.m 2009-06-19 15:34:20.000000000 +0200
+++ quivers.m 2011-03-02 15:53:00.833987474 +0100
@@ -139,7 +139,11 @@
 hv = [y;y+v; y+v-alpha*(v-beta*(u+eps));y+v; y+v-alpha*(v+beta*(u+eps))];
 
 plot(hu(:),hv(:),[col ls]);
-xt=x; yt=ry+ly-2*ly/3;
-ht=text(xt,yt,[num2str(Vmax) ' ' Sunit]); D=get(ht,'extent'); set(ht,'visible','off')
-xt=rx+(lx-D(3))/2;
-ht=text(xt,yt,[num2str(Vmax) ' ' Sunit]);
+% Center of rectangle
+xt=(2*rx+lx)/2;
+yt=ry+ly/3;
+
+% Print text and set adjustment
+ht=text(xt,yt,[num2str(Vmax) ' ' Sunit], ...
+ 'HorizontalAlignment', 'center', ...
+ 'VerticalAlignment', 'middle');

[Stewart Smith]

antoine is really annoying