/**
* Returns a flag indicating if the geometry matches that of the specified grid geometry. The
* geometries are considered a match if they contain the same corner points, number of rows and
* number of columns.
*
* @param geometry the geometry to compare.
* @return <i>true</i> if geometries match; <i>false</i> if not.
*/
public boolean matchesGeometry(final GridGeometry2d gridGeometry) {
// Check that the number of lines are equal.
if (getNumLines() != gridGeometry.getNumLines()) {
return false;
}
// Check each line.
int numLines = getNumLines();
for (int i = 0; i < numLines; i++) {
// Check that the # of points in each line are equal.
CoordinateSeries points1 = getLine(i).getPoints();
CoordinateSeries points2 = gridGeometry.getLine(i).getPoints();
if (points1.getNumPoints() != points2.getNumPoints()) {
return false;
}
// Check that the point x,y coordinates are equal.
for (int j = 0; j < points1.getNumPoints(); j++) {
if (!MathUtil.isEqual(points1.getX(j), points2.getX(j))
|| !MathUtil.isEqual(points1.getY(j), points2.getY(j))) {
return false;
}
}
}
// The match conditions have been satisfied.
return true;
}
/**
* Checks if an object is "equal" to this one. To be considered "equal", the object be an instance
* of the <code>GridGeometry2d</code> class, and its corner points and row,column definitions must
* be the same.
*
* @param object the object to check for equality.
* @return <i>true</i> if the object is "equal"; <i>false</i> if not.
*/
@Override
public boolean equals(final Object object) {
// Check that it is an instance of a grid geometry.
if (object != null && object instanceof GridGeometry2d) {
GridGeometry2d grid = (GridGeometry2d) object;
// Compare the display names.
if (!getDisplayName().equals(grid.getDisplayName())) {
return false;
}
// If the display names match, then compare the geometries.
return matchesGeometry(grid);
}
return false;
}
