Method pointToData

src/coord/matrix/Matrix.ts:250–280

* The returned locator pair can be the input of `dataToPoint` or `dataToLayout`. * * If point[0] is out of the matrix rect, * the out[0] is NaN; * else if it is on the right of top-left corner of body, * the out[0] is the oridinal number (>= 0). * else * out[0]

(
        point: number[],
        opt?: {
            clamp?: MatrixClampOption | NullUndefined
        },
        out?: MatrixXYLocator[]
    )

     * @implement
     */
    pointToData(
        point: number[],
        opt?: {
            clamp?: MatrixClampOption | NullUndefined
        },
        out?: MatrixXYLocator[]
    ): MatrixXYLocator[] {
        const dims = this._dims;
        pointToDataOneDimPrepareCtx(_tmpCtxPointToData, 0, dims, point, opt && opt.clamp);
        pointToDataOneDimPrepareCtx(_tmpCtxPointToData, 1, dims, point, opt && opt.clamp);

        out = out || [];
        out[0] = out[1] = NaN;

        if (_tmpCtxPointToData.y === CtxPointToDataAreaType.inCorner
            && _tmpCtxPointToData.x === CtxPointToDataAreaType.inBody
        ) {
            pointToDataOnlyHeaderFillOut(_tmpCtxPointToData, out, 0, dims);
        }
        else if (_tmpCtxPointToData.x === CtxPointToDataAreaType.inCorner
            && _tmpCtxPointToData.y === CtxPointToDataAreaType.inBody
        ) {
            pointToDataOnlyHeaderFillOut(_tmpCtxPointToData, out, 1, dims);
        }
        else {
            pointToDataBodyCornerFillOut(_tmpCtxPointToData, out, 0, dims);
            pointToDataBodyCornerFillOut(_tmpCtxPointToData, out, 1, dims);
        }

        return out;
    }

    convertToPixel(
        ecModel: GlobalModel,