public void fireSectionEvent(final SectionEvent EVENT) {
        final EventHandler<SectionEvent> HANDLER;
        final EventType                  TYPE = EVENT.getEventType();
        if (SectionEvent.TILES_FX_SECTION_ENTERED == TYPE) {
            HANDLER = getOnSectionEntered();
        } else if (SectionEvent.TILES_FX_SECTION_LEFT == TYPE) {
            HANDLER = getOnSectionLeft();
        } else if (SectionEvent.TILES_FX_SECTION_UPDATE == TYPE) {
            HANDLER = getOnSectionUpdate();
        } else {
            HANDLER = null;
        }

        if (null == HANDLER) return;

        HANDLER.handle(EVENT);
    }
Checks if the section contains the given value and fires an event
in case the value "entered" or "left" the section. With this one
can react if a value enters/leaves a specific region in a gauge.
@param VALUE
src/main/java/eu/hansolo/tilesfx/Section.java