Welcome to the Harris Geospatial product documentation center. Here you will find reference guides, help documents, and product libraries.


Harris Geospatial / Docs Center / Using IDL / SetData Method

IDL

SetData Method

SetData Method

The SetData procedure method allows you to programatically replace a graphic's existing data with the specified data. When the SetData method is called, the graphic window is immediately updated to display the new data.

Coordinate Systems


For the Arrow, Polygon, Polyline, and Symbol graphics, if the graphic is created in data coordinates (with the DATA keyword), then data coordinates should be supplied to the SetData method. If the graphic is created in device coordinates (with the DEVICE keyword) or normalized coordinates (with the NORMAL keyword, the default value for creation), then normalized coordinates should be supplied to the SetData method. The ConvertCoord Method may be used to convert values from one coordinate system to another.

Example


TEMP1=RANDOMU(SEED,12) * 100
TEMP2=RANDOMU(SEED,12) * 100
DAY=FINDGEN(12) * 30 + 15
 
p = PLOT(DAY, TEMP1, 'Db-1', $
 TITLE = 'Temperature', $
 XTITLE = 'Day of Year', $
 YTITLE = 'Degrees Fahrenheit')
 
p.SetData, DAY, TEMP2

Syntax


graphic.SetData, Argument1, Argument2, ... Argumentn [, CONNECTIVITY=value]

The arguments to the SetData method should be specified in the same manner as the function call used to create the graphic.

Arguments


The input arguments depend on the graphic being modified and the number of arguments supplied. The form of the arguments is similar to the arguments supplied for the creation of the graphic.

Graphic

1 Arg

2 Args

3 Args

4 Args

Keywords

Coordinates


Arrow

 

X, Y

 

 

 

NORMAL unless created with /DATA


Barplot

Y

X, Y

 

 

 

DATA


Boxplot

Values

Locations, Values

 

 

 

DATA

Bubbleplot

 

X, Y

 

 

 

DATA


Contour

Z

 

Z, X, Y

 

 

DATA


Errorplot

 

Y, Yerror

X, Y, Yerror

X, Y, Xerror, Yerror

 

DATA


Image

Image

 

Image, X, Y

 

 

DATA


Plot3D

 

 

X, Y, Z

 

 

DATA


Plot

Y

X, Y

 

 

 

DATA


Polarplot

Theta

R, Theta

 

 

 

DATA


Polygon

 

X, Y

X, Y, Z

 

CONNECTIVITY

NORMAL unless created with /DATA


Polyline

 

X, Y

X, Y, Z

 

CONNECTIVITY

NORMAL unless created with /DATA

Scatterplot

 

X, Y

 

 

 

DATA

Scatterplot3D

 

 

X, Y, Z

 

 

DATA


Streamline

 

U, V

 

U, V, X, Y

 

DATA


Surface

Z

 

Z, X, Y

 

 

DATA


Symbol

 

X, Y

 

 

 

NORMAL unless created with /DATA


Vector

 

U, V

 

U, V, X, Y

 

DATA

Volume

Vol0

Vol0, Vol1

 

Vol0, Vol1, Vol2, Vol3

 

DATA

Keywords


CONNECTIVITY

This keyword applies only to the POLYLINE and POLYGON graphics, and is identical to the CONNECTIVITY keyword for the POLYLINE and POLYGON functions.

Version History


8.1

Introduced

See Also


Save Method, Refresh Method, GetData Method



© 2017 Exelis Visual Information Solutions, Inc. |  Legal
My Account    |    Buy    |    Contact Us