本文整理汇总了Java中com.spatial4j.core.distance.DistanceUtils.normLonDEG方法的典型用法代码示例。如果您正苦于以下问题：Java DistanceUtils.normLonDEG方法的具体用法？Java DistanceUtils.normLonDEG怎么用？Java DistanceUtils.normLonDEG使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.spatial4j.core.distance.DistanceUtils的用法示例。
在下文中一共展示了DistanceUtils.normLonDEG方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: randomIndexedShape
import com.spatial4j.core.distance.DistanceUtils; //导入方法依赖的package包/类
@Override
protected Shape randomIndexedShape() {
Rectangle world = ctx.getWorldBounds();
if (random().nextInt(10) == 0) // increased chance of getting one of these
return world;
int worldWidth = (int) Math.round(world.getWidth());
int deltaLeft = nextIntInclusive(worldWidth);
int deltaRight = nextIntInclusive(worldWidth - deltaLeft);
int worldHeight = (int) Math.round(world.getHeight());
int deltaTop = nextIntInclusive(worldHeight);
int deltaBottom = nextIntInclusive(worldHeight - deltaTop);
double rectMinX = world.getMinX() + deltaLeft;
double rectMaxX = world.getMaxX() - deltaRight;
if (ctx.isGeo()) {
int shift = 0;
if ((deltaLeft != 0 || deltaRight != 0)) {
//if geo & doesn't world-wrap, we shift randomly to potentially cross dateline
shift = nextIntInclusive(360);
}
rectMinX = DistanceUtils.normLonDEG(rectMinX + shift);
rectMaxX = DistanceUtils.normLonDEG(rectMaxX + shift);
if (rectMinX == 180 && rectMaxX == 180) {
// Work-around for https://github.com/spatial4j/spatial4j/issues/85
rectMinX = -180;
rectMaxX = -180;
}
}
return ctx.makeRectangle(
rectMinX,
rectMaxX,
world.getMinY() + deltaBottom, world.getMaxY() - deltaTop);
}
示例2: bufferShape
import com.spatial4j.core.distance.DistanceUtils; //导入方法依赖的package包/类
/** Returns a new shape that is larger than shape by at distErr.
*/
//TODO move this generic code elsewhere? Spatial4j?
protected Shape bufferShape(Shape shape, double distErr) {
if (distErr <= 0)
throw new IllegalArgumentException("distErr must be > 0");
SpatialContext ctx = grid.getSpatialContext();
if (shape instanceof Point) {
return ctx.makeCircle((Point)shape, distErr);
} else if (shape instanceof Circle) {
Circle circle = (Circle) shape;
double newDist = circle.getRadius() + distErr;
if (ctx.isGeo() && newDist > 180)
newDist = 180;
return ctx.makeCircle(circle.getCenter(), newDist);
} else {
Rectangle bbox = shape.getBoundingBox();
double newMinX = bbox.getMinX() - distErr;
double newMaxX = bbox.getMaxX() + distErr;
double newMinY = bbox.getMinY() - distErr;
double newMaxY = bbox.getMaxY() + distErr;
if (ctx.isGeo()) {
if (newMinY < -90)
newMinY = -90;
if (newMaxY > 90)
newMaxY = 90;
if (newMinY == -90 || newMaxY == 90 || bbox.getWidth() + 2*distErr > 360) {
newMinX = -180;
newMaxX = 180;
} else {
newMinX = DistanceUtils.normLonDEG(newMinX);
newMaxX = DistanceUtils.normLonDEG(newMaxX);
}
} else {
//restrict to world bounds
newMinX = Math.max(newMinX, ctx.getWorldBounds().getMinX());
newMaxX = Math.min(newMaxX, ctx.getWorldBounds().getMaxX());
newMinY = Math.max(newMinY, ctx.getWorldBounds().getMinY());
newMaxY = Math.min(newMaxY, ctx.getWorldBounds().getMaxY());
}
return ctx.makeRectangle(newMinX, newMaxX, newMinY, newMaxY);
}
}