MFC to write a PC monitor screen, need to draw out the motion trajectory of a machine, so help everybody have what good method and procedures

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Baidu search relevant keywords,

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Opencv tracking trajectory

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With the third party controls such as TeeChart or custom painting,

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This is not simple, you must first understand receive serial data, you can refer to my blog (on a serial port), in the dialog box mapping coordinates (using GDI), line drawing

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Generally two ideas, 1, their use of GDI drawing axis, line drawing, more troublesome, 2, using a third-party chart control, use of NI, less to use MFC own, there are many people write, look on the net,

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GDI is to draw lines,

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Access point location information, package sent in the past, accept the package, unpacking, draw points, but there should be delay problems, if want to solve the problem of delay should think about how packets, packet size, disposable draw some more,

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Refer to this article
https://blog.csdn.net/xianglitian/article/details/6100767