
                        options: Object.keys(_matrixXYDataMap).map(key => {
                            let text = _matrixXYDataMap[key].desc;
                            const MAX_STR = 100;
                            if (text.length > MAX_STR) {
                                text = text.slice(0, MAX_STR) + ' ...';
                            }
                            return {text: text, value: key};
                        }),
                        onchange() {
                            const 