final double getMindist(Point2D.Double pt) {
double result = Double.MAX_VALUE;
for (Point2D p : points.keySet()) {
if (pt.equals(p)) {
continue;
}
final double v = p.distance(pt);
if (v < 1E-4) {
throw new IllegalStateException();
}
result = Math.min(result, v);
}
for (Line2D line : lines) {
if (line.getP1().equals(pt) || line.getP2().equals(pt)) {
continue;
}
final double v = line.ptSegDist(pt);
if (result < 1E-4) {
throw new IllegalStateException("pt=" + pt + " line=" + GeomUtils.toString(line));
}
result = Math.min(result, v);
}
if (result == 0) {
throw new IllegalStateException();
}
// Log.println("getMindist=" + result);
return result;
}
public Point2D getClosestIntersectionToStart(Shape withThisShape) {
// first, get the sides of the shape
List<LineSegment> shapeSides = Utilities.getSides(withThisShape);
// go through all the sides, and see if there are any intersections
// there may be more than 1
List<Point2D> shapeIntersectionPoints = new ArrayList<Point2D>();
for (Line2D curSide : shapeSides) {
if (curSide.intersectsLine(this)) {
Point2D intersectionPoint = Utilities.getIntersectionPoint(this, curSide);
shapeIntersectionPoints.add(intersectionPoint);
}
}
if (shapeIntersectionPoints.size() <= 0) {
return null;
} else if (shapeIntersectionPoints.size() == 1) {
return shapeIntersectionPoints.get(0);
} else {
// get the point closest to P1
Point2D closestIntersectionPoint = null;
double closestIntersectionPointDistSq = java.lang.Double.MAX_VALUE;
for (Point2D curPoint : shapeIntersectionPoints) {
double curDistSq = curPoint.distanceSq(this.getP1());
if (curDistSq < closestIntersectionPointDistSq) {
closestIntersectionPointDistSq = curDistSq;
closestIntersectionPoint = curPoint;
}
}
return closestIntersectionPoint;
}
}
/**
* Creates a region surrounding a line segment by 'widening' the line segment. A typical use for
* this method is the creation of a 'clickable' region for a line that is displayed on-screen.
*
* @param line the line (<code>null</code> not permitted).
* @param width the width of the region.
* @return A region that surrounds the line.
*/
public static Shape createLineRegion(final Line2D line, final float width) {
final GeneralPath result = new GeneralPath();
final float x1 = (float) line.getX1();
final float x2 = (float) line.getX2();
final float y1 = (float) line.getY1();
final float y2 = (float) line.getY2();
if ((x2 - x1) != 0.0) {
final double theta = Math.atan((y2 - y1) / (x2 - x1));
final float dx = (float) Math.sin(theta) * width;
final float dy = (float) Math.cos(theta) * width;
result.moveTo(x1 - dx, y1 + dy);
result.lineTo(x1 + dx, y1 - dy);
result.lineTo(x2 + dx, y2 - dy);
result.lineTo(x2 - dx, y2 + dy);
result.closePath();
} else {
// special case, vertical line
result.moveTo(x1 - width / 2.0f, y1);
result.lineTo(x1 + width / 2.0f, y1);
result.lineTo(x2 + width / 2.0f, y2);
result.lineTo(x2 - width / 2.0f, y2);
result.closePath();
}
return result;
}
/** @see Graphics#drawPolyline(int[], int[], int) */
public void drawPolyline(int[] x, int[] y, int nPoints) {
Line2D line = new Line2D.Double(x[0], y[0], x[0], y[0]);
for (int i = 1; i < nPoints; i++) {
line.setLine(line.getX2(), line.getY2(), x[i], y[i]);
draw(line);
}
}
/** @see prefuse.render.AbstractShapeRenderer#getRawShape(prefuse.visual.VisualItem) */
@Override
protected Shape getRawShape(VisualItem item) {
double x1 = item.getDouble(VisualItem.X);
double y1 = item.getDouble(VisualItem.Y);
double x2 = item.getDouble(VisualItem.X2);
double y2 = item.getDouble(VisualItem.Y2);
boolean isX = item.getBoolean(DocumentGridAxisLayout.IS_X);
double midPoint = item.getDouble(DocumentGridAxisLayout.MID_POINT);
// horizontal or vertical coords should be manually held constant so that fisheye works
// properly
if (isX) {
// vertical line
m_line.setLine(x1, y1, x1, y2);
} else {
// horizontal line
m_line.setLine(x1, y1, x2, y1);
}
if (!item.canGetString(VisualItem.LABEL)) {
return m_line;
}
String label = item.getString(VisualItem.LABEL);
if (label == null) {
return m_line;
}
FontMetrics fm = DEFAULT_GRAPHICS.getFontMetrics(item.getFont());
m_ascent = fm.getAscent();
int h = fm.getHeight();
int w = fm.stringWidth(label);
double tx, ty;
int labelOffset = 10;
if (isX) {
// vertical axis
// get text x-coord, center at midPoint
// tx = x1 + (x2-x1)/2 - w/2;
// tx = midPoint + (x1+midPoint)/2 - w/2;
// tx = x1 + midPoint/2 - w/2;
// simpler approach: just add a fixed distance
tx = x1 + labelOffset;
// get text y-coord
ty = y2 - h;
} else {
// horiz axis
// get text x-coord
tx = x1 - w - 2;
// get text y-coord, center at midPoint
// ty = y1 + (y2-y1)/2 - h/2;
// ty = y1 + midPoint/2 - h/2;
// simpler approach: just add a fixed distance
ty = y1 + labelOffset;
}
m_box.setFrame(tx, ty, w, h);
return m_box;
}
public void pruneArray() {
for (Shape shape : toDraw) {
Line2D line = (Line2D) shape;
if (line.getY1() < 0) {
toDraw.remove(shape);
}
}
}
public Shape getShape() {
Line2D line = getConnectionPoints();
Point2D control = getControlPoint();
GeneralPath p = new GeneralPath();
p.moveTo((float) line.getX1(), (float) line.getY1());
p.quadTo(
(float) control.getX(), (float) control.getY(), (float) line.getX2(), (float) line.getY2());
return p;
}
/**
* Creates an object based on this description.
*
* @return The object.
*/
public Object createObject() {
final Line2D line = new Line2D.Float();
final float x1 = getFloatParameter("x1");
final float x2 = getFloatParameter("x2");
final float y1 = getFloatParameter("y1");
final float y2 = getFloatParameter("y2");
line.setLine(x1, y1, x2, y2);
return line;
}
/**
* Translate the terminal. This is implemented since it is the most efficient way for figures that
* contain terminals to translate themselves. However, this method does not call repaint(), on the
* assumption that the parent figure will do so anyway.
*/
@Override
public void translate(double x, double y) {
//// repaint();
_line.setLine(_line.getX1() + x, _line.getY1() + y, _line.getX2() + x, _line.getY2() + y);
if (_end != null) {
_end.translate(x, y);
}
//// repaint();
}
/**
* Creates and returns a line that is perpendicular to the specified line.
*
* @param line the reference line ({@code null} not permitted).
* @param pt1 a point on the reference line ({@code null} not permitted).
* @param size the length of the new line.
* @param opposingPoint an opposing point, to define which side of the reference line the
* perpendicular line will extend ({@code null} not permitted).
* @return The perpendicular line.
*/
public static Line2D createPerpendicularLine(
Line2D line, Point2D pt1, double size, Point2D opposingPoint) {
double dx = line.getX2() - line.getX1();
double dy = line.getY2() - line.getY1();
double length = Math.sqrt(dx * dx + dy * dy);
double pdx = dy / length;
double pdy = -dx / length;
int ccw = line.relativeCCW(opposingPoint);
Point2D pt2 = new Point2D.Double(pt1.getX() - ccw * size * pdx, pt1.getY() - ccw * size * pdy);
return new Line2D.Double(pt1, pt2);
}
/**
* Tests if the shape contains a point.
*
* @param p coord point
* @return true if shape contains p
*/
public boolean contains(Point2D p) {
double x = startPoint.getX();
double y = startPoint.getY();
double xEnd = endPoint.getX();
double yEnd = endPoint.getY();
Line2D line = new Line2D.Double(x, y, xEnd, yEnd);
return line.intersects(p.getX(), p.getY(), 10, 10);
}
/**
* Gets the control point for the quadratic spline.
*
* @return the control point
*/
private Point2D getControlPoint() {
Line2D line = getConnectionPoints();
double t = Math.tan(Math.toRadians(angle));
double dx = (line.getX2() - line.getX1()) / 2;
double dy = (line.getY2() - line.getY1()) / 2;
return new Point2D.Double(
(line.getX1() + line.getX2()) / 2 + t * dy, (line.getY1() + line.getY2()) / 2 - t * dx);
}
public boolean isZaznaczono(int x, int y) {
for (Line2D l : this.linia) {
if (l.intersects(
x - SASIEDZTWO_BADANIA_PRZECIECIA,
y - SASIEDZTWO_BADANIA_PRZECIECIA,
SASIEDZTWO_BADANIA_PRZECIECIA * 2,
SASIEDZTWO_BADANIA_PRZECIECIA * 2)) {
return true;
}
}
return false;
}
private Edge getSelectedEdge(MouseEvent mouse) {
for (int i = 0; i < listOfNodes.size(); i++) {
Node node = listOfNodes.get(i);
for (Edge edge : node.adjacent) {
Line2D line = edge.getRepLine();
double ptToLine = line.ptSegDist(mouse.getX(), mouse.getY());
if (ptToLine <= Constants.eps) {
return edge;
}
}
}
return null;
}
public LineSegmentIntersection(Line2D segment, Line2D lineB) {
final double x1 = segment.getX1();
final double y1 = segment.getY1();
final double x2 = segment.getX2();
final double y2 = segment.getY2();
final double x3 = lineB.getX1();
final double y3 = lineB.getY1();
final double x4 = lineB.getX2();
final double y4 = lineB.getY2();
final double den = (y4 - y3) * (x2 - x1) - (x4 - x3) * (y2 - y1);
if (den == 0) {
inter = null;
} else {
final double uA1 = (x4 - x3) * (y1 - y3) - (y4 - y3) * (x1 - x3);
final double uA = uA1 / den;
final double x = x1 + uA * (x2 - x1);
final double y = y1 + uA * (y2 - y1);
if (uA >= 0 && uA <= 1) {
inter = new Point2D.Double(x, y);
} else {
inter = null;
}
}
}
public Polyline2D(Line2D line) {
super();
npoints = 2;
xpoints = new double[2];
ypoints = new double[2];
xpoints[0] = line.getX1();
xpoints[1] = line.getX2();
ypoints[0] = line.getY1();
ypoints[1] = line.getY2();
calculatePath();
}
public boolean nearby(Node n, double dist) {
if (w == null) {
Main.debug("way null");
return false;
}
if (w.containsNode(n)) return false;
if (n.isKeyTrue("noexit")) return false;
EastNorth coord = n.getEastNorth();
if (coord == null) return false;
Point2D p = new Point2D.Double(coord.east(), coord.north());
if (line.getP1().distance(p) > len + dist) return false;
if (line.getP2().distance(p) > len + dist) return false;
return line.ptSegDist(p) < dist;
}
/**
* Creates a new line by extending an existing line.
*
* @param line the line (<code>null</code> not permitted).
* @param startPercent the amount to extend the line at the start point end.
* @param endPercent the amount to extend the line at the end point end.
* @return A new line.
*/
private Line2D extendLine(Line2D line, double startPercent, double endPercent) {
ParamChecks.nullNotPermitted(line, "line");
double x1 = line.getX1();
double x2 = line.getX2();
double deltaX = x2 - x1;
double y1 = line.getY1();
double y2 = line.getY2();
double deltaY = y2 - y1;
x1 = x1 - (startPercent * deltaX);
y1 = y1 - (startPercent * deltaY);
x2 = x2 + (endPercent * deltaX);
y2 = y2 + (endPercent * deltaY);
return new Line2D.Double(x1, y1, x2, y2);
}
/**
* Compares two lines are returns <code>true</code> if they are equal or both <code>null</code>.
*
* @param l1 the first line (<code>null</code> permitted).
* @param l2 the second line (<code>null</code> permitted).
* @return A boolean.
*/
public static boolean equal(final Line2D l1, final Line2D l2) {
if (l1 == null) {
return (l2 == null);
}
if (l2 == null) {
return false;
}
if (!l1.getP1().equals(l2.getP1())) {
return false;
}
if (!l1.getP2().equals(l2.getP2())) {
return false;
}
return true;
}
/**
* Sets the parameters of this description object to match the supplied object.
*
* @param o the object (should be an instance of <code>Line2D</code>).
* @throws ObjectFactoryException if the object is not an instance of <code>Line2D</code>.
*/
public void setParameterFromObject(final Object o) throws ObjectFactoryException {
if (!(o instanceof Line2D)) {
throw new ObjectFactoryException("The given object is no java.awt.geom.Line2D.");
}
final Line2D line = (Line2D) o;
final float x1 = (float) line.getX1();
final float x2 = (float) line.getX2();
final float y1 = (float) line.getY1();
final float y2 = (float) line.getY2();
setParameter("x1", new Float(x1));
setParameter("x2", new Float(x2));
setParameter("y1", new Float(y1));
setParameter("y2", new Float(y2));
}
/**
* A utility method that draws a line but only if none of the coordinates are NaN values.
*
* @param g2 the graphics target.
* @param line the line object.
* @param x0 the x-coordinate for the starting point of the line.
* @param y0 the y-coordinate for the starting point of the line.
* @param x1 the x-coordinate for the ending point of the line.
* @param y1 the y-coordinate for the ending point of the line.
*/
private void drawLine(Graphics2D g2, Line2D line, double x0, double y0, double x1, double y1) {
if (Double.isNaN(x0) || Double.isNaN(x1) || Double.isNaN(y0) || Double.isNaN(y1)) {
return;
}
line.setLine(x0, y0, x1, y1);
g2.draw(line);
}
private double calculateDistance(Node node1, Node node2) {
double totalDistance = 0;
double node1x = node1.getX();
double node1y = node1.getX();
double node2x = node2.getX();
double node2y = node2.getX();
for (double[][][] RADAR_LINE : RADARS) {
for (double[][] LINE : RADAR_LINE) {
if (Line2D.linesIntersect(
LINE[POINT_1][X],
LINE[POINT_1][Y],
LINE[POINT_2][X],
LINE[POINT_2][Y],
node1x,
node1y,
node2x,
node2y)) {
totalDistance += FEE_IN_RADAR_RANGE;
}
}
}
double distanceX = (node1.getX() - node2.getX());
double distanceY = (node1.getY() - node2.getY());
double distance =
Math.sqrt(distanceX * distanceX + distanceY * distanceY) * FEE_DISTANCE_FACTOR;
return distance + totalDistance;
}
/**
* Finds the intersection of two line segments
*
* @return EastNorth null if no intersection was found, the EastNorth coordinates of the
* intersection otherwise
*/
public static EastNorth getSegmentSegmentIntersection(
EastNorth p1, EastNorth p2, EastNorth p3, EastNorth p4) {
double x1 = p1.getX();
double y1 = p1.getY();
double x2 = p2.getX();
double y2 = p2.getY();
double x3 = p3.getX();
double y3 = p3.getY();
double x4 = p4.getX();
double y4 = p4.getY();
// TODO: do this locally.
if (!Line2D.linesIntersect(x1, y1, x2, y2, x3, y3, x4, y4)) return null;
// Convert line from (point, point) form to ax+by=c
double a1 = y2 - y1;
double b1 = x1 - x2;
double c1 = x2 * y1 - x1 * y2;
double a2 = y4 - y3;
double b2 = x3 - x4;
double c2 = x4 * y3 - x3 * y4;
// Solve the equations
double det = a1 * b2 - a2 * b1;
if (det == 0) return null; // Lines are parallel
double x = (b1 * c2 - b2 * c1) / det;
double y = (a2 * c1 - a1 * c2) / det;
return new EastNorth(x, y);
}
/** @see prefuse.render.Renderer#setBounds(prefuse.visual.VisualItem) */
@Override
public void setBounds(VisualItem item) {
if (!m_manageBounds) {
return;
}
Shape shape = getShape(item);
if (shape == null) {
item.setBounds(item.getX(), item.getY(), 0, 0);
} else if (shape == m_line) {
GraphicsLib.setBounds(item, shape, getStroke(item));
} else {
m_box.add(m_line.getX1(), m_line.getY1());
m_box.add(m_line.getX2(), m_line.getY2());
item.setBounds(m_box.getMinX(), m_box.getMinY(), m_box.getWidth(), m_box.getHeight());
}
}
private static Map<SgroupBracket, IBond> bracketBondPairs(
Collection<SgroupBracket> brackets, Collection<IBond> bonds) {
Map<SgroupBracket, IBond> pairs = new HashMap<>();
for (SgroupBracket bracket : brackets) {
IBond crossingBond = null;
for (IBond bond : bonds) {
IAtom a1 = bond.getAtom(0);
IAtom a2 = bond.getAtom(1);
if (Line2D.linesIntersect(
bracket.getFirstPoint().x, bracket.getFirstPoint().y,
bracket.getSecondPoint().x, bracket.getSecondPoint().y,
a1.getPoint2d().x, a1.getPoint2d().y,
a2.getPoint2d().x, a2.getPoint2d().y)) {
// more than one... not good
if (crossingBond != null) return new HashMap<>();
crossingBond = bond;
}
}
if (crossingBond == null) return new HashMap<>();
pairs.put(bracket, crossingBond);
}
return pairs;
}
/**
* Creates a new line by extending an existing line.
*
* @param line the line (<code>null</code> not permitted).
* @param startPercent the amount to extend the line at the start point end.
* @param endPercent the amount to extend the line at the end point end.
* @return A new line.
*/
private Line2D extendLine(Line2D line, double startPercent, double endPercent) {
if (line == null) {
throw new IllegalArgumentException("Null 'line' argument.");
}
double x1 = line.getX1();
double x2 = line.getX2();
double deltaX = x2 - x1;
double y1 = line.getY1();
double y2 = line.getY2();
double deltaY = y2 - y1;
x1 = x1 - (startPercent * deltaX);
y1 = y1 - (startPercent * deltaY);
x2 = x2 + (endPercent * deltaX);
y2 = y2 + (endPercent * deltaY);
return new Line2D.Double(x1, y1, x2, y2);
}
/**
* Draws the tick marks. This method is called during chart rendering, you normally would not call
* this method yourself.
*
* @param g2 the graphics target ({@code null} not permitted)
* @param cursor the current offset from the edge of the dataArea
* @param dataArea the area used for plotting data ({@code null} not permitted)
* @param edge the location of the axis ({@code null} not permitted)
* @param state axis state information ({@code null} not permitted)
* @since 1.0.13
*/
public void drawTickMarks(
Graphics2D g2, double cursor, Rectangle2D dataArea, RectangleEdge edge, AxisState state) {
Plot p = getPlot();
if (p == null) {
return;
}
CategoryPlot plot = (CategoryPlot) p;
double il = getTickMarkInsideLength();
double ol = getTickMarkOutsideLength();
Line2D line = new Line2D.Double();
List<Comparable> categories = plot.getCategoriesForAxis(this);
g2.setPaint(getTickMarkPaint());
g2.setStroke(getTickMarkStroke());
if (edge.equals(RectangleEdge.TOP)) {
for (Comparable key : categories) {
double x = getCategoryMiddle(key, categories, dataArea, edge);
line.setLine(x, cursor, x, cursor + il);
g2.draw(line);
line.setLine(x, cursor, x, cursor - ol);
g2.draw(line);
}
state.cursorUp(ol);
} else if (edge.equals(RectangleEdge.BOTTOM)) {
for (Comparable key : categories) {
double x = getCategoryMiddle(key, categories, dataArea, edge);
line.setLine(x, cursor, x, cursor - il);
g2.draw(line);
line.setLine(x, cursor, x, cursor + ol);
g2.draw(line);
}
state.cursorDown(ol);
} else if (edge.equals(RectangleEdge.LEFT)) {
for (Comparable key : categories) {
double y = getCategoryMiddle(key, categories, dataArea, edge);
line.setLine(cursor, y, cursor + il, y);
g2.draw(line);
line.setLine(cursor, y, cursor - ol, y);
g2.draw(line);
}
state.cursorLeft(ol);
} else if (edge.equals(RectangleEdge.RIGHT)) {
for (Comparable key : categories) {
double y = getCategoryMiddle(key, categories, dataArea, edge);
line.setLine(cursor, y, cursor - il, y);
g2.draw(line);
line.setLine(cursor, y, cursor + ol, y);
g2.draw(line);
}
state.cursorRight(ol);
}
}
MyWaySegment(Way w, Node n1, Node n2) {
this.w = w;
String railway = w.get("railway");
String highway = w.get("highway");
this.isAbandoned = "abandoned".equals(railway) || w.isKeyTrue("disused");
this.highway = (highway != null || railway != null) && !isAbandoned;
this.isBoundary = !this.highway && "administrative".equals(w.get("boundary"));
line =
new Line2D.Double(
n1.getEastNorth().east(),
n1.getEastNorth().north(),
n2.getEastNorth().east(),
n2.getEastNorth().north());
len = line.getP1().distance(line.getP2());
this.n1 = n1;
this.n2 = n2;
}
public LinkedList<LineWorldObject> getLineWorldObjectsOnLine(Line2D line, double radius) {
LinkedList<LineWorldObject> objectsInSelection = new LinkedList<LineWorldObject>();
for (LineWorldObject o : lineObjects) {
if (o.getXInCM() == o.getX2InCM()) {
if (line.intersectsLine(
o.getXInCM(), o.getYInCM() - radius, o.getX2InCM(), o.getY2InCM() + radius)) {
objectsInSelection.add(o);
}
} else {
if (line.intersectsLine(
o.getXInCM() - radius, o.getYInCM(), o.getX2InCM() + radius, o.getY2InCM())) {
objectsInSelection.add(o);
}
}
}
return objectsInSelection;
}
@Override
public void mouseMoved(MouseEvent e) {
Point p = e.getPoint();
if (line.ptSegDist(p) <= 1.0) {
tipLabel.setText(tooltip);
}
parent.repaint();
}