Introduction - If you have any usage issues, please Google them yourself
Procedures to achieve the real-time zoom function (that is, after a regional host selected, the regional information sent to all from the machine, then reduce the step size ratio, so that from the machine to re-calculate the value of the points) in order to avoid the amplification process because " set the start of the accuracy of the calculation of step " a result of not sufficiently sophisticated graphical mosaic phenomena occur,