public static void main(String[] args) {
// TODO Auto-generated method stub
StdDraw.line(.5, .5, .5, .8);
StdDraw.line(.5, .5, .7, .5);
StdDraw.line(.5, .8, .7, .5);
StdDraw.circle(.6, .65, Math.pow(0.0325, 0.5));
}
public static void main(String[] args) {
int n = 10;
StdDraw.setCanvasSize(160, 640);
StdDraw.setXscale(-1, n + 1);
StdDraw.setPenRadius(0.006);
double[] a = new double[n];
for (int i = 0; i < n; i++) a[i] = StdRandom.uniform(0.0, 1.0);
sort(a);
}
private static void show(double[] a, int i, int j) {
StdDraw.setYscale(-a.length + i + 1, i);
StdDraw.setPenColor(StdDraw.LIGHT_GRAY);
for (int k = 0; k < j; k++) StdDraw.line(k, 0, k, a[k] * 0.6);
StdDraw.setPenColor(StdDraw.BOOK_RED);
StdDraw.line(j, 0, j, a[j] * 0.6);
StdDraw.setPenColor(StdDraw.BLACK);
for (int k = j + 1; k <= i; k++) StdDraw.line(k, 0, k, a[k] * 0.6);
StdDraw.setPenColor(StdDraw.LIGHT_GRAY);
for (int k = i + 1; k < a.length; k++) StdDraw.line(k, 0, k, a[k] * 0.6);
}
public static void main(String[] args) {
In in = new In(args[0]); // input file
int N = in.readInt(); // N-by-N percolation system
// turn on animation mode
StdDraw.show(0);
// repeatedly read in sites to open and draw resulting system
Percolation perc = new Percolation(N);
draw(perc, N);
StdDraw.show(DELAY);
while (!in.isEmpty()) {
int i = in.readInt();
int j = in.readInt();
perc.open(i, j);
draw(perc, N);
StdDraw.show(DELAY);
}
}
public static void main(String[] args) {
StdDraw.setXscale(0, 32768);
StdDraw.setYscale(0, 32768);
StdDraw.show(0);
In in = new In(args[0]);
int N = in.readInt();
Point[] points = new Point[N];
for (int i = 0; i < N; i++) {
int x = in.readInt();
int y = in.readInt();
Point p = new Point(x, y);
p.draw();
points[i] = p;
}
brute(points);
StdDraw.show(0);
}
// unit test
public static void main(String[] args) {
/* YOUR CODE HERE */
Point p0 = new Point(1000, 2000);
Point p1 = new Point(2000, 2000);
Point p2 = new Point(4000, 1000);
StdOut.println("Slope of P0: " + p0 + " to P1: " + p1 + " is " + p0.slopeTo(p1));
StdOut.println("Slope of P0: " + p0 + " to P2: " + p2 + " is " + p0.slopeTo(p2));
StdOut.println("Compare P1: " + p1 + " and P2: " + p2 + " is " + p1.compareTo(p2));
// StdOut.println("Compare slope of P0: " + p0 + " to P1: " + p1 + " and P2: " + p2 + " is " +
// p1.compareTo(p2));
// draw the points
StdDraw.show(0);
StdDraw.setXscale(0, 32768);
StdDraw.setYscale(0, 32768);
p0.draw();
p1.draw();
p2.draw();
p0.drawTo(p1);
p0.drawTo(p2);
StdDraw.show();
}
private void drawNode(KdNode nd, int turn, double xmin, double ymin, double xmax, double ymax) {
if (nd == null) return;
StdDraw.setPenRadius(0.02);
if (turn == 0) {
StdDraw.setPenColor(StdDraw.RED);
StdDraw.line(nd.point.x(), ymin, nd.point.x(), ymax);
drawNode(nd.left, 1 - turn, xmin, ymin, nd.point.x(), ymax);
drawNode(nd.right, 1 - turn, nd.point.x(), ymin, xmax, ymax);
} else {
StdDraw.setPenColor(StdDraw.BLUE);
StdDraw.line(xmin, nd.point.y(), xmax, nd.point.y());
drawNode(nd.left, 1 - turn, xmin, ymin, xmax, nd.point.y());
drawNode(nd.right, 1 - turn, xmin, nd.point.y(), xmax, ymax);
}
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius(0.2);
nd.point.draw();
}
public static void drawRandConn(int N, double p) {
StdDraw.setCanvasSize(512, 512);
StdDraw.setScale(-1.0, 1.0);
StdDraw.setPenRadius(.025);
double[][] d = new double[N][2];
for (int i = 0; i < N; i++) {
d[i][0] = Math.cos(2 * Math.PI * i / N);
d[i][1] = Math.sin(2 * Math.PI * i / N);
StdDraw.point(d[i][0], d[i][1]);
}
StdDraw.setPenRadius();
StdDraw.setPenColor(StdDraw.GRAY);
for (int i = 0; i < N - 1; i++)
for (int j = i + 1; j < N; j++)
if (StdRandom.bernoulli(p)) StdDraw.line(d[i][0], d[i][1], d[j][0], d[j][1]);
}
private void draw(Node x, Orientation orientation) {
if (x == null) {
return;
}
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius(0.01);
x.p.draw();
if (orientation == Orientation.LR) {
StdDraw.setPenColor(StdDraw.RED);
StdDraw.setPenRadius(0.001);
StdDraw.line(x.p.x(), x.rect.ymin(), x.p.x(), x.rect.ymax());
} else {
StdDraw.setPenColor(StdDraw.BLUE);
StdDraw.setPenRadius(0.001);
StdDraw.line(x.rect.xmin(), x.p.y(), x.rect.xmax(), x.p.y());
}
Orientation next = orientation.next();
draw(x.lb, next);
draw(x.rt, next);
}
public void draw() {
StdDraw.setPenColor(color);
StdDraw.filledCircle(rx, ry, radius);
}
/**
* Draws the line segment between this point and the specified point to standard draw.
*
* @param that the other point
*/
public void drawTo(Point that) {
/* DO NOT MODIFY */
StdDraw.line(this.x, this.y, that.x, that.y);
}
/** Draws this point to standard draw. */
public void draw() {
/* DO NOT MODIFY */
StdDraw.point(x, y);
}
public static void main(String[] args) {
String filename = args[0];
In in = new In(filename);
StdDraw.show(0);
// initialize the data structures with N points from standard input
PointSET brute = new PointSET();
KdTree kdtree = new KdTree();
while (!in.isEmpty()) {
double x = in.readDouble();
double y = in.readDouble();
Point2D p = new Point2D(x, y);
kdtree.insert(p);
brute.insert(p);
}
double x0 = 0.0, y0 = 0.0; // initial endpoint of rectangle
double x1 = 0.0, y1 = 0.0; // current location of mouse
boolean isDragging = false; // is the user dragging a rectangle
// draw the points
StdDraw.clear();
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius(.01);
brute.draw();
while (true) {
StdDraw.show(40);
// user starts to drag a rectangle
if (StdDraw.mousePressed() && !isDragging) {
x0 = StdDraw.mouseX();
y0 = StdDraw.mouseY();
isDragging = true;
continue;
}
// user is dragging a rectangle
else if (StdDraw.mousePressed() && isDragging) {
x1 = StdDraw.mouseX();
y1 = StdDraw.mouseY();
continue;
}
// mouse no longer pressed
else if (!StdDraw.mousePressed() && isDragging) {
isDragging = false;
}
RectHV rect =
new RectHV(Math.min(x0, x1), Math.min(y0, y1), Math.max(x0, x1), Math.max(y0, y1));
// draw the points
StdDraw.clear();
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius(.01);
brute.draw();
// draw the rectangle
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setPenRadius();
rect.draw();
// draw the range search results for brute-force data structure in
// red
StdDraw.setPenRadius(.03);
StdDraw.setPenColor(StdDraw.RED);
for (Point2D p : brute.range(rect)) p.draw();
// draw the range search results for kd-tree in blue
StdDraw.setPenRadius(.02);
StdDraw.setPenColor(StdDraw.BLUE);
for (Point2D p : kdtree.range(rect)) p.draw();
StdDraw.show(40);
}
}
// draw N-by-N percolation system
public static void draw(Percolation perc, int N) {
StdDraw.clear();
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.setXscale(-.05 * N, 1.05 * N);
StdDraw.setYscale(-.05 * N, 1.05 * N); // leave a border to write text
StdDraw.filledSquare(N / 2.0, N / 2.0, N / 2.0);
// draw N-by-N grid
int opened = 0;
for (int row = 1; row <= N; row++) {
for (int col = 1; col <= N; col++) {
if (perc.isFull(row, col)) {
StdDraw.setPenColor(StdDraw.BOOK_LIGHT_BLUE);
opened++;
} else if (perc.isOpen(row, col)) {
StdDraw.setPenColor(StdDraw.WHITE);
opened++;
} else StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.filledSquare(col - 0.5, N - row + 0.5, 0.45);
}
}
// write status text
StdDraw.setFont(new Font("SansSerif", Font.PLAIN, 12));
StdDraw.setPenColor(StdDraw.BLACK);
StdDraw.text(.25 * N, -N * .025, opened + " open sites");
if (perc.percolates()) StdDraw.text(.75 * N, -N * .025, "percolates");
else StdDraw.text(.75 * N, -N * .025, "does not percolate");
}
// draw all points to standard draw
public void draw() {
for (Point2D point2D : root.subSet(LOWER, HIGHER)) {
StdDraw.point(point2D.x(), point2D.y());
}
}
public static void main(String[] args) {
// read the n points from a file
In in = new In(args[0]);
int n = in.readInt();
Point[] points = new Point[n];
for (int i = 0; i < n; i++) {
int x = in.readInt();
int y = in.readInt();
points[i] = new Point(x, y);
}
// draw the points
StdDraw.enableDoubleBuffering();
StdDraw.setXscale(0, 32768);
StdDraw.setYscale(0, 32768);
for (Point p : points) {
p.draw();
}
StdDraw.show();
// print and draw the line segments
FastCollinearPoints collinear = new FastCollinearPoints(points);
for (LineSegment segment : collinear.segments()) {
StdOut.println(segment);
segment.draw();
}
StdDraw.show();
}
public static void main(String[] args) {
// read the N points from a file
args = new String[1];
args[0] = "test/rs1423.txt";
In in = new In(args[0]);
int N = in.readInt();
Point[] points = new Point[N];
for (int i = 0; i < N; i++) {
int x = in.readInt();
int y = in.readInt();
points[i] = new Point(x, y);
}
// draw the points
StdDraw.show(0);
StdDraw.setXscale(0, 32768);
StdDraw.setYscale(0, 32768);
for (Point p : points) {
p.draw();
}
StdDraw.show();
// print and draw the line segments
FastCollinearPoints collinear = new FastCollinearPoints(points);
for (LineSegment segment : collinear.segments()) {
StdOut.println(segment);
segment.draw();
}
}
public static void main(String[] args) {
String input = "C:/Users/gkoontz/workspace/algoAssignments/src/collinear/equidistant.txt";
// read the N points from a file
// In in = new In(args[0]);
In in = new In(input);
int N = in.readInt();
Point[] points = new Point[N];
for (int i = 0; i < N; i++) {
int x = in.readInt();
int y = in.readInt();
points[i] = new Point(x, y);
}
// draw the points
StdDraw.show(0);
StdDraw.setXscale(0, 32768);
StdDraw.setYscale(0, 32768);
for (Point p : points) {
p.draw();
}
StdDraw.show();
// print and draw the line segments
// BruteCollinearPoints collinear = new BruteCollinearPoints(points);
FastCollinearPoints collinear = new FastCollinearPoints(points);
for (LineSegment segment : collinear.segments()) {
StdOut.println(segment);
segment.draw();
}
}