本文整理汇总了Java中com.spatial4j.core.context.SpatialContext.isGeo方法的典型用法代码示例。如果您正苦于以下问题：Java SpatialContext.isGeo方法的具体用法？Java SpatialContext.isGeo怎么用？Java SpatialContext.isGeo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.context.SpatialContext的用法示例。
在下文中一共展示了SpatialContext.isGeo方法的4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: makeSPT
import com.spatial4j.core.context.SpatialContext; //导入方法依赖的package包/类
/**
* The factory is looked up via "prefixTree" in args, expecting "geohash" or "quad".
* If its neither of these, then "geohash" is chosen for a geo context, otherwise "quad" is chosen.
*/
public static SpatialPrefixTree makeSPT(Map<String,String> args, ClassLoader classLoader, SpatialContext ctx) {
SpatialPrefixTreeFactory instance;
String cname = args.get(PREFIX_TREE);
if (cname == null)
cname = ctx.isGeo() ? "geohash" : "quad";
if ("geohash".equalsIgnoreCase(cname))
instance = new GeohashPrefixTree.Factory();
else if ("quad".equalsIgnoreCase(cname))
instance = new QuadPrefixTree.Factory();
else {
try {
Class c = classLoader.loadClass(cname);
instance = (SpatialPrefixTreeFactory) c.newInstance();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
instance.init(args,ctx);
return instance.newSPT();
}
示例2: DistanceToShapeValueSource
import com.spatial4j.core.context.SpatialContext; //导入方法依赖的package包/类
public DistanceToShapeValueSource(ValueSource shapeValueSource, Point queryPoint,
double multiplier, SpatialContext ctx) {
this.shapeValueSource = shapeValueSource;
this.queryPoint = queryPoint;
this.multiplier = multiplier;
this.distCalc = ctx.getDistCalc();
this.nullValue =
(ctx.isGeo() ? 180 * multiplier : Double.MAX_VALUE);
}
示例3: setupCtx2D
import com.spatial4j.core.context.SpatialContext; //导入方法依赖的package包/类
private void setupCtx2D(SpatialContext ctx) {
if (!ctx.isGeo())
ctx2D = ctx;
//A non-geo version of ctx.
SpatialContextFactory ctxFactory = new SpatialContextFactory();
ctxFactory.geo = false;
ctxFactory.worldBounds = ctx.getWorldBounds();
ctx2D = ctxFactory.newSpatialContext();
}
示例4: bufferShape
import com.spatial4j.core.context.SpatialContext; //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);
}
}