Introduction - If you have any usage issues, please Google them yourself
The main feature of this example is given a set of performance data to map out the distribution of results (including histograms and pie charts). Database is not used here because the result is a simple map, but with the words in the database to another machine on the table but also to re-build, but also for the student information related to the input problem, is not easy to practice, so this example by using a more convenient data entry or manual from file (txt format text documents, the first number is the total number of rest points, scores, separated by commas) two ways to import data to map out their charts . Entry can be modified to view the results, using a three-dimensional histogram graph model, it seems more intuitive, each segment has a significant fraction of the number of marked points, it seems intuitive image. Pie charts are also marked with the color and number of segments corresponding to the score, it seems very intuitive. Data entry and some portion of the drawing i