hwIViewControl PickCenter

Syntax

hwIViewControl_handle PickCenterx, y

Application

HyperGraph Tcl Modify

Description

This command makes the given x and y values the center of the plot, and shifts the x axis and y axis accordingly.

Inputs

x

The x value that you choose; this value becomes the center of the plot, moving the x axis to make this x value the center.

y

The y value that you choose; this value becomes the center of the plot, moving the y axis to make this y value the center.

Example

hwi OpenStack;
hwi GetSessionHandle sess;
sess GetProjectHandle proj;
proj GetPageHandle p1 1;
p1 GetWindowHandle w1 1;
w1 GetClientHandle plot;
plot AddCurve;
plot GetCurveHandle c1 1;
c1 GetVectorHandle x1 x;
x1 SetType Math;
x1 SetExpression (0:10:1);
c1 GetVectorHandle y1 y;
y1 SetType Math;
y1 SetExpression sin(x);
w1 GetViewControlHandle vc;
vc PickCenter 5 0;
plot Draw;

Error

If either the x or y value, or both, are not present, an error message is displayed. Otherwise, a success (0) is returned.

Keywords

HyperWorks

XY Plot

Tcl

Modify