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I created a line by importing a delimited CSV file and the line appears fine. I can add a label on the line by using the "begin" or "end" attributes but not the "Name" attribute. It is not showing a label. So I assume the value of "Name" is somehow blank although I have it defined in the CSV file:

csv

I define the value as "Name" on the Layer Properties/Label tab:

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Is there a way of looking at the attribute values after the import?

After fixing the CSV import file, I get:

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I think Stu Smith is right that I was labeling the points and not the line. But how do I do that when the there is no attribute on the line style:

enter image description here

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    I see two fields having the name Name. The first field contains p1 and p2, and the second field contains Topic 1 and Topic 2. Change one of the field names to a different name, and confirm if the issue still exists.
    – ahmadhanb
    Oct 19, 2020 at 1:12
  • Did you check the checkbox to show all labels?
    – TwoPunchMan
    Oct 19, 2020 at 1:19
  • Both are great insights! I didn't notice the duplicate Name column. I will fix that! Also where is the checkbox to show all labels?
    – bdelliott
    Oct 19, 2020 at 14:51
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    Looks to me like you're labeling the point layer, not the line layer.
    – Stu Smith
    Oct 19, 2020 at 15:16
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    Your line is beeing created from those two points. But connecting two points will result in one line. Points to Path tool takes over attributes of both points, you have selected in "Order field", naming it "begin" and "end". So "begin" contains the selected attribute from your startpoint, and "end" contains the selected attribute from your endpoint. If you want to show both, you can use an expression like "begin" || ' - ' || "end" in your value field.
    – MrXsquared
    Oct 19, 2020 at 16:32

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I was able to label the points fine from the functionality provided but I figured it out the part about labeling a line! The trick is not to use the Points to Path plugin but simply "Add Delimited Text Layer" and then turn on the Labels from the Layers Style menu. This posting proves the first part: QGIS How to draw lines from two points in a CSV? QGIS How to draw lines from two points in a CSV?

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