blocks|key|396899|text|那ZedGraph呢？他们在这里特别提到了实时应用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|396900|http://zedgraph.org/wiki/index.php?title=Display_Dynamic_or_Real-Time_Data|offset|length|396901|他们声称每秒至少有20个样本。|396902|在每秒4000个样本的情况下，我认为你不会想要实时绘制所有的点，因为你将在0.25秒内完成整个屏幕……|396903|entityMap|0|LINK|mutability|MUTABLE|url^0|0|0|22|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@$D|S|E|T|1|U]]|A|$]]|$1|F|3|G|5|6|7|V|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|W|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|C]]]]

How about ZedGraph? They mention realtime applications specifically here:

<a href="http://zedgraph.org/wiki/index.php?title=Display_Dynamic_or_Real-Time_Data" rel="noreferrer">http://zedgraph.org/wiki/index.php?title=Display_Dynamic_or_Real-Time_Data</a>

They claim at least ~20 samples per second.

At 4000 samples per second I don't think you're going to want to plot all the points in real time since you're going to make it all the way across the screen in 0.25 seconds...

blocks|key|3384258|text|DirectX过去有.NET绑定(不确定当前版本)。它包括对高性能2D和3D图形的支持。如果Windows上有什么能满足你的需求的话，那就是DirectX。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3384259|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/bb219737(VS.85).aspx^0|0|7|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://msdn.microsoft.com/en-us/library/bb219737(VS.85).aspx" rel="nofollow noreferrer">DirectX</a> used to have .NET bindings (not sure about current version). It includes support for high-performance 2D and 3D graphics. If anything on Windows can meet your requirements, it will be DirectX.

blocks|key|3384140|text|你看过GraphViz吗？我见过它在示波器应用中的应用，但我不确定它是否能处理你想要的速度。与我见过的一些GDI%2B控件不同，GraphViz不接受指令的“实时馈送”。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3384141|这里有一些.NET+wrappers+for+it。|3384142|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/Graphviz|1|http://www.codeplex.com/quickgraph|2|http://quickgraph.tigris.org/source/browse/quickgraph/trunk/src/^0|3|8|0|0|5|D|1|J|6|2|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]|$A|Z|B|10|1|11]]|C|$]]|$1|F|3|-4|5|6|7|12|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|Q]]]]

Have you looked at <a href="http://en.wikipedia.org/wiki/Graphviz" rel="nofollow noreferrer">GraphViz</a>? I've seen it used in oscilloscope applications, but I'm not positive it will handle the speed you're looking for. GraphViz doesn't take a 'live feed' of instructions like some of the GDI+ controls I've seen.

There are some <a href="http://www.codeplex.com/quickgraph" rel="nofollow noreferrer">.NET wrappers</a> <a href="http://quickgraph.tigris.org/source/browse/quickgraph/trunk/src/" rel="nofollow noreferrer">for it</a>.

blocks|key|2312079|text|你可以看看QCRTGraph控件。您还可以查看此CodeGuru+project。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2312080|不过，老实说，对于您的需求，您最好自己实现它的C%2B%2B实现。由于每个样本只有0.25ms，锁定和更新任何第三方控件的缓冲区对您来说都太昂贵了。|2312081|entityMap|0|LINK|mutability|MUTABLE|url|http://www.quinn-curtis.com/QCRTGraphProdPage.htm|1|http://www.codeguru.com/article.php/c2223/^0|5|9|0|O|G|1|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]|$A|T|B|U|1|V]]|C|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|C|$]]|$1|F|3|-4|5|6|7|X|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]]]

You can take a look at <a href="http://www.quinn-curtis.com/QCRTGraphProdPage.htm" rel="nofollow noreferrer">QCRTGraph</a> control. You can also look at this <a href="http://www.codeguru.com/article.php/c2223/" rel="nofollow noreferrer">CodeGuru project</a>.

Though, honestly, with your requirements you might be better off doing your own C++ implementation of it. With only 0.25ms per sample, locking and updating the buffer of any third party control is too expensive for you to afford.

blocks|key|3384232|text|你可以看看Visual+Numerics。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|3384233|entityMap|0|LINK|mutability|MUTABLE|url|http://www.vni.com/^0|5|F|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You might look at <a href="http://www.vni.com" rel="nofollow noreferrer">Visual Numerics</a>.

blocks|key|2307169|text|我推荐。它只是一个动态链接库，但具有很高的性能。看一下示例应用程序。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2307170|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I'd recommend the <a href="http://www.oscilloscope-lib.com/" rel="nofollow noreferrer">Universal Real-Time Software Oscilloscope GUI DLL Library</a>. It's only a DLL, but is capable of high performance. Take a look at the example applications.

blocks|key|5495738|text|查看this+question。我强烈推荐在MFC+(ActiveX)和.Net上使用IOComp。非常快速和稳定。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|5495739|http://opcactivex.com/Related_Products___Development/Development_Tools/Plot_Pack/screen_iocomp_plotpack.jpg|5495740|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/78061/chart-controls-for-mfc-application#78632|1|http://iocomp.com/|2^0|2|D|0|17|6|1|0|0|2Z|2|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]|$A|U|B|V|1|W]]|C|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|F|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|G|$H|$5|I|J|K|C|$L|M]]|N|$5|I|J|K|C|$L|O]]|P|$5|I|J|K|C|$L|E]]]]

Check out <a href="https://stackoverflow.com/questions/78061/chart-controls-for-mfc-application#78632">this question</a>. I highly recommend <a href="http://iocomp.com" rel="nofollow noreferrer">IOComp</a> for both MFC (ActiveX) and .Net. Very fast and stable.

<a href="http://opcactivex.com/Related_Products___Development/Development_Tools/Plot_Pack/screen_iocomp_plotpack.jpg" rel="nofollow noreferrer">http://opcactivex.com/Related_Products___Development/Development_Tools/Plot_Pack/screen_iocomp_plotpack.jpg</a>

blocks|key|2307223|text|我推荐美国国家仪器公司的.NET解决方案。国家仪器公司在数据采集和仪器控制方面一直处于领先地位。他们有一个用于在.NET中绘制图表的库，但它是商业的。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2307224|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I would recommend a National Instruments solution for .NET. National Instruments always had a leading position in data acquisition and instrument control. They have a library for charting/graphing in .NET however it is commercial.

blocks|key|2307098|text|图形红化(小部件上的点和线)相当简单-你可以用原始的Win32来做这件事，就像Petzold一样。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2307099|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

The graphics rednereing (points and lines on a widget) is fairly simple - you could do this with raw Win32 a la Petzold.

blocks|key|400173|text|你可能想看看Steema+(http://www.steema.com/teechart/net)。我必须补充说，我没有任何实践经验与非常快的处理速度。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|400174|entityMap|0|LINK|mutability|MUTABLE|url|http://www.steema.com/teechart/net^0|E|Y|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You may want to take a look at Steema Teechart (<a href="http://www.steema.com/teechart/net" rel="nofollow">http://www.steema.com/teechart/net</a>). I must add that I do not have any hands-on expericience with very high speed processing.

I need to write a digital oscilloscope type application. There are many great static graphing controls out there, but I need something that can graph 16 traces processing 4000 samples per second.

Is anyone aware of a high speed graphing control for .NET? I'll even take MFC since that can be wrapped into a .NET control.

Thanks for the help!

High speed graphing control for .NET (or MFC)?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我需要写一个数字示波器类型的应用程序。有许多伟大的静态绘图控件在那里，但我需要一些东西，可以图表16轨迹处理每秒4000个样本。有没有人知道.NET的高速图形控件？我甚至会使用MFC，因为它可以被包装到一个.NET控件中。谢谢你的帮助！

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