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Matt Manning

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Sep 9, 2017, 6:41:13 PM9/9/17
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Hi is there a proper way to generate line graphs or do you just use the canvas.

Taifun

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Sep 9, 2017, 6:46:36 PM9/9/17
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try the ChartMaker Extension by Kate Manning and Emily Kager
Taifun

Trying to push the limits of App Inventor! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.

SteveJG

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Sep 9, 2017, 7:31:58 PM9/9/17
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It depends.   If your graph is static, you might use Taifun's suggestion.   Using the Canvas might be more appropriate for live streaming data graphing.  Look at this example  (  https://groups.google.com/forum/#!searchin/mitappinventortest/seismic%7Csort:relevance/mitappinventortest/xXOUXOxPLZQ/9U4RWID_VX8J )   and find the aia called    Accelerometer_copy_copy    This example is not a complete app but shows a very nice implementation of live  line graphing using App Inventor's native graphic capability of multiple data streams in real time with continuous input using the Canvas.



Here are other possibilities using the Canvas in different ways... plotting a point, using sprites etc.  https://groups.google.com/forum/#!searchin/mitappinventortest/canvas$20graph%7Csort:date  

Regards,
Steve

Abraham Getzler

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Sep 10, 2017, 2:48:46 PM9/10/17
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