cdm/src/main/java/ucar/unidata/geoloc/ProjectionPointImpl.java
public boolean isInfinite() {
    return (x == java.lang.Double.POSITIVE_INFINITY)
        || (x == java.lang.Double.NEGATIVE_INFINITY)
        || (y == java.lang.Double.POSITIVE_INFINITY)
        || (y == java.lang.Double.NEGATIVE_INFINITY);
  }
public boolean isInfinite() {
    return (x == java.lang.Double.POSITIVE_INFINITY)
        || (x == java.lang.Double.NEGATIVE_INFINITY)
        || (y == java.lang.Double.POSITIVE_INFINITY)
        || (y == java.lang.Double.NEGATIVE_INFINITY);
  }
See if either coordinate is +/- infinite. This happens sometimes
in projective geometry.

@return true if either coordinate is +/- infinite.