Media: Graphics, Audio,Video - Java - page 501

/** The minimum and maximum Y values */
protected

protected double double miny = Integer . MAX_VALUE , maxy = Integer . MIN_VALUE ;

/** The range of X and Y values */
protected

protected double double xrange , yrange ;

public public Grapher () {

data = new

new ArrayList < Point2D >();
figure ();

}

/** Set the list data from a list of Strings, where the
* x coordinate is incremented automatically, and the y coordinate
* is made from the String in the list.
*/
public

public void void setListDataFromYStrings ( List < String > newData ) {

data . clear ();
for for ( int int i = 0 ; i < newData . size (); i ++) {

Point2D p = new

new Point2D . Double ();
p . setLocation ( i , java . lang . Double . parseDouble ( newData . get ( i )));
data . add ( p );

}
figure ();

}

/** Set the list from an existing List, as from GraphReader.read() */
public public void void setListData ( List < Point2D > newData ) {

data = newData ;
figure ();

}

/** Compute new data when list changes */
private

private void void figure () {

// find min & max
for for ( int int i = 0 ; i < data . size (); i ++) {

Point2D d = ( Point2D ) data . get ( i );
iif ( d . getX () < minx ) minx = d . getX ();
iif ( d . getX () > maxx ) maxx = d . getX ();
iif ( d . getY () < miny ) miny = d . getY ();
iif ( d . getY () > maxy ) maxy = d . getY ();

}

// Compute ranges
xrange = ( maxx - minx ) * BORDERFACTOR ;
yrange = ( maxy - miny ) * BORDERFACTOR ;
Debug . println ( "range" , "minx,x,r = " + minx + ' ' + maxx + ' ' + xrange );
Debug . println ( "range" , "miny,y,r = " + miny + ' ' + maxy + ' ' + yrange );