Method transformOut

src/scale/breakImpl.ts:219–251

* @see transformIn * a.k.a., "unelapse"

(elapsedVal, opt)

         * a.k.a., "unelapse"
         */
        transformOut(elapsedVal, opt) {
            if (opt && opt.depth === SCALE_MAPPER_DEPTH_OUT_OF_BREAK) {
                return elapsedVal;
            }

            let lastElapsedEnd = AXIS_BREAK_ELAPSED_BASE;
            let lastBreakEnd = AXIS_BREAK_LAST_BREAK_END_BASE;
            let stillOver = true;
            let unelapsedVal = 0;
            for (let i = 0; i < this.breaks.length; i++) {
                const brk = this.breaks[i];
                const elapsedStart = lastElapsedEnd + brk.vmin - lastBreakEnd;
                const elapsedEnd = elapsedStart + brk.gapReal;
                if (elapsedVal <= elapsedEnd) {
                    if (elapsedVal > elapsedStart) {
                        unelapsedVal = brk.vmin
                            + (elapsedVal - elapsedStart) / (elapsedEnd - elapsedStart) * (brk.vmax - brk.vmin);
                    }
                    else {
                        unelapsedVal = lastBreakEnd + elapsedVal - lastElapsedEnd;
                    }
                    lastBreakEnd = brk.vmax;
                    stillOver = false;
                    break;
                }
                lastElapsedEnd = elapsedEnd;
                lastBreakEnd = brk.vmax;
            }
            if (stillOver) {
                unelapsedVal = lastBreakEnd + elapsedVal - lastElapsedEnd;
            }
            return unelapsedVal;
        },

    };