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Ajuda Scilab >> Biblioteca de Gráficos > Datatips > datatipCreate

datatipCreate

Create a data tip on a polyline by program

Calling Sequence

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 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 data tips on a curve by program. Called with an index, it set the tip at the coordinates given by polyline point specified by the index. Called with point it set the tip at the coordinates corresponding to the orthogonal projection of the point on the curve if the interpolation mode is on or to the nearest mesh point.

Examples

x=linspace(0,1,8)';
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=5;
t=datatipCreate(p,2);

datatipCreate(p,[0.8,0.5]);
datatipSetInterp(p,%t);
datatipCreate(p,[0.8,0.5]);

See Also

  • datatipInitStruct — initialize the datatip structure associated with the given polyline.
  • datatips — Tool for placing and editing tips along the plotted curves.
  • datatipMove — Move a specified datatip using the mouse.

Authors

  • Serge Steer, INRIA
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Last updated:
Wed Oct 05 12:11:51 CEST 2011