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I need to create the trajectory of respondents according to the their collected GPS data (including X and Y).

I am familiar with python programming, but I am a beginner in ArcGIS.

I want to write a script to automate this process.

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What format are your points in? Shapefile, X/Y Table, GPX File, RAW NMEA? – nagytech Aug 13 '12 at 3:37

The Points To Line tool in the Data Management toolbox may meet your requirements so perhaps look at that before Python.

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here is relevant help:… – ndthl Oct 28 '15 at 15:23
@ndthl Comments are easily lost or overlooked. I think you should add and expand upon that as an answer. – PolyGeo Oct 28 '15 at 19:17

Use the Sketch ("pencil") tool to draw, but instead of 1st point right click and select "Absolute x,y " or press F6 to enter your GPS points in window provided.

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Welcome to GIS Stack Exchange! Although the question was not very specific I think you are answering a slightly different question. This question is asking for an automated rather than manual method. – PolyGeo Jul 5 '13 at 9:40

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