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increase min-distance point reduction for overlay paths

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This commit is contained in:
Hannes Janetzek 2012-10-28 17:31:03 +01:00
parent e65911fb07
commit cbceb2c6e9
1 changed files with 10 additions and 5 deletions
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15
src/org/oscim/overlay/PathOverlay.java
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@ -45,6 +45,7 @@ public class PathOverlay extends Overlay {
class RenderPath extends RenderOverlay { class RenderPath extends RenderOverlay {
private static final byte MAX_ZOOM = 20; private static final byte MAX_ZOOM = 20;
private static final int MIN_DIST = 4;
// pre-projected points to zoomlovel 20 // pre-projected points to zoomlovel 20
private int[] mPreprojected; private int[] mPreprojected;
@ -143,7 +144,7 @@ public class PathOverlay extends Overlay {
// skip too near points // skip too near points
int dx = x - px; int dx = x - px;
int dy = y - py; int dy = y - py;
if ((i == 0) || dx > 2 || dx < -2 || dy > 2 || dy < -2) { if ((i == 0) || dx > MIN_DIST || dx < -MIN_DIST || dy > MIN_DIST || dy < -MIN_DIST) {
projected[i + 0] = px = x; projected[i + 0] = px = x;
projected[i + 1] = py = y; projected[i + 1] = py = y;
i += 2; i += 2;
@ -189,11 +190,13 @@ public class PathOverlay extends Overlay {
mPaint = pPaint; mPaint = pPaint;
} }
/** Draw a great circle. Calculate a point for every 100km along the path. /**
* Draw a great circle. Calculate a point for every 100km along the path.
* @param startPoint * @param startPoint
* start point of the great circle * start point of the great circle
* @param endPoint * @param endPoint
* end point of the great circle */ * end point of the great circle
*/
public void addGreatCircle(final GeoPoint startPoint, final GeoPoint endPoint) { public void addGreatCircle(final GeoPoint startPoint, final GeoPoint endPoint) {
synchronized (mPoints) { synchronized (mPoints) {
@ -207,13 +210,15 @@ public class PathOverlay extends Overlay {
} }
} }
/** Draw a great circle. /**
* Draw a great circle.
* @param startPoint * @param startPoint
* start point of the great circle * start point of the great circle
* @param endPoint * @param endPoint
* end point of the great circle * end point of the great circle
* @param numberOfPoints * @param numberOfPoints
* number of points to calculate along the path */ * number of points to calculate along the path
*/
public void addGreatCircle(final GeoPoint startPoint, final GeoPoint endPoint, public void addGreatCircle(final GeoPoint startPoint, final GeoPoint endPoint,
final int numberOfPoints) { final int numberOfPoints) {
// adapted from page // adapted from page