/*************************************************************************

* Compilation: javac PlotFilter.java

* Execution: java PlotFilter < input.txt

* Dependencies: StdDraw.java StdIn.java

*

* % java PlotFilter < USA.txt

*

* Datafiles: http://www.cs.princeton.edu/IntroProgramming/15inout/USA.txt

*

*************************************************************************/

public class PlotFilter {

public static void main(String[] args) {

// read in bounding box and rescale

double x0 = StdIn.readDouble();

double y0 = StdIn.readDouble();

double x1 = StdIn.readDouble();

double y1 = StdIn.readDouble();

StdDraw.setXscale(x0, x1);

StdDraw.setYscale(y0, y1);

// turn on animation mode to defer displaying all of the points

// StdDraw.show(0);

// plot points, one at a time

while (!StdIn.isEmpty()) {

double x = StdIn.readDouble();

double y = StdIn.readDouble();

StdDraw.point(x, y);

}

// display all of the points now

// StdDraw.show(0);

}

}