I have a dataset of points with data at different depths:

e.g as a csv file as follows:




There will be multiple points with the same ID but different depths - how can I make QGIS only label the "ID" once? Have been banging my head with this for a while and can't figure it out.

  • 2
    Welcome to GIS.SE. Are you aware that duplicate geometries aren't best practice? If so, why did you choose to use them? Furthermore, how do you decide which value to use for a label, or which column would you want to use for a label? – Erik Oct 25 '19 at 8:35
  • Check out gis.stackexchange.com/questions/299788/… – MrXsquared Oct 25 '19 at 8:58

Here are a couple of simple solutions. I'm assuming points with the same ID are at nearly the same location.

  1. If the points with the same ID are supposed to be at the same location, try snapping them to exactly the same location with the one of the snap tools (snap geometries to layer or snap points to points).

    enter image description here

    When two points are in exactly the same place QGIS will usually only label one of them.

    enter image description here

  2. Use the point cluster rendering symbology type. This generates a symbol with two layers: a point marker and a font marker. Change the font marker portion of the symbol to display the ID field.

    enter image description here

It's worth noting (as Erik pointed out in the comments above) that duplicate geometries are not a best practice. It might be better to rearrange your data to have a single point at each location, and multiple depth fields for each point, eg "Depth1" "Depth2" "Depth3" etc. The snapping tools and the aggregate tools might be helpful for this.

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