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Справка Scilab >> Графики > Datatips > datatipCreate

datatipCreate

Create a datatip on a polyline by program

Syntax

datatip_handle = datatipCreate(polyline_handle,index)
datatip_handle = datatipCreate(polyline_handle,pt)

Arguments

polyline_handle

A handle on a polyline

index

The index of a polyline data point where to draw the data tip.

pt

A vector with 2 or 3 elements, the coordinates of the point where to draw the data tip.

datatip_handle

The handle on the newly created entity

Description

This function can be used to create datatips on a polyline by program. Called with an index as second argument, it sets the tip at the coordinates given by polyline point specified by the index. Called with a point as second argument it sets the tip at the coordinates corresponding to the orthogonal projection of the point on the polyline if the interpolation mode is on or to the nearest mesh point.

Examples

x=linspace(0,1,9)';
y=x.^3;
clf();
plot(x,y);
e=gce();p=e.children(1);//get the handle on the polyline
p.mark_mode="on";p.mark_style=2;p.mark_size=12;
t=datatipCreate(p,5);

datatipCreate(p,[0.65,0.3]);

See also

  • datatips — Tool for placing and editing tips along the plotted curves.
  • datatipMove — Move a specified datatip using the mouse.
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Last updated:
Tue Feb 14 15:13:26 CET 2017