uk.ac.starlink.table.join

Interface HealpixMask.PixelTester

Enclosing interface:

HealpixMask

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface HealpixMask.PixelTester

Defines a way to test inclusion of HEALPix pixels in an area.

Method Summary

Modifier and Type	Method and Description
boolean	containsPixel(int order, long ipix) Tests whether an area contains all or part of a given HEALPix pixel.

Method Detail

containsPixel

boolean containsPixel(int order,
                      long ipix)

Tests whether an area contains all or part of a given HEALPix pixel.

Note this method must be thread-safe, it may be called from multiple threads concurrently.

Parameters:

order - HEALPix order

ipix - HEALPix pixel index at order order

Returns:

true iff the indicated pixel is wholly or partially covered by the area; false positives are permitted