本文介绍一种能根据测试结果的数据范围自动设定坐标的方法，并提供了一个实用的程序。
This paper introduces a means of automatically setting coordinate according to the ranges of the measured results. A utility program is provided in the paper.
使用这些像素坐标，我们可以绘制以这些点为起点的直线，重新设定直线的颜色、连接直线、用颜色填充周围的区域或者 GD 可以执行的任何其他操作。
With these pixel coordinates, we can draw lines emanating from the the points, recolor them, connect them, fill the surrounding area with color, or anything else GD can do.
假如你只是替换一些现成的模型，那只要简单替换它们的名字在你的模型名字，并用它们设定好计划的原始的坐标。
If you are just replacing some existing models with your one, then simply replace their names with your model's name and use their original coordinates as they are in the settlement_plan.
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