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I have a csv file containing a breakline points' coordinates and their elevation.

How can I create a 3d polyline from these points?

The CSV file looks like this:

  X              Y         z
384282.6    244807.4    22.1807
384376.4    244791.2    12.6306
384467.5    244773.5    12.634
384535.7    244745      12.5274
384593.4    244701.9    12.6257
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  • What does your CSV file look like? Please include a few test rows from it in your question.
    – PolyGeo ♦
    Commented Dec 30, 2015 at 7:50
  • It is just a simple csv file, contains three columns, x column ,y column and z column.
    – Mike
    Commented Dec 30, 2015 at 12:05
  • 1
    Please edit the question in response to comments requesting clarification. The answer to your question really does depend on the exact data format, so a data sample is not an unreasonable request.
    – Vince
    Commented Dec 30, 2015 at 12:41
  • 1
    Third-party links are not often followed. Please include five rows of the file in the question
    – Vince
    Commented Dec 30, 2015 at 15:21

2 Answers 2

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3

Add XY Data to map (ensure to include Z-coordinate as well)

Export result to Shapefile or a Geodatabase Feature Class

Use Points to Line tool to convert the points to a polyline

Because you included Z-Coordinate the resulting polyline is a 3D polyline

Using your data, here is the result in ArcScene (exaggerated 10x): enter image description here

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  • Thanks Jakub for your response. How can I add this breakline to a raster. I have a raster for the same area, I want to adjust the raster elevation along this breakline.
    – Mike
    Commented Dec 31, 2015 at 5:42
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The ASCII 3D to Feature Class Tool can also be used for this task. Using the sample data above, it produces the output below. Set Output Feature Class Type to POLYLINE

enter image description here

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