打开一个pcb铣边文件并显示在屏幕上是什么原理

Question

在屏幕上显示的长度、位置都是像素。铣边文件的单位是mm，比如要显示1000*1000mm的矩形怎样编呢。谢谢。

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杲大胜 ...........勤!能!补!拙!........ 勤!勤!勤!.............

Answer 1

Hi 杲大盛,

试试设置Graphics.PageUnit Property。

e.Graphics.PageUnit = GraphicsUnit.Millimeter;

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Bob Shen
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Answer 2

你画矩形是可以指定度量单位的，就如bobshen那样可以指定为毫米为度量单位的，这样你画出来的矩形就是以毫秒为单位的，具体实现如下：

 // Create a rectangle.
    Rectangle rectangle1 = new Rectangle(0, 0,1000, 1000);


    // Change the page scale.  
    e.Graphics.PageUnit = GraphicsUnit.Millimeter;

    // Draw the rectangle again.
    e.Graphics.DrawRectangle(Pens.Tomato, rectangle1);

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