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I have a SHP with 3D vectors and in the other hand, a SHP with attribute table definition. I need one SHP with the 3D vectors and the attribute table definition.

It's important to understand that the attribute table is empty. That's actually my job to fill it.

I tried to copy/paste the 3D vectors to a SHP to the other with attribute table definition but I noticed that Z information get lost.

So I have two solution:

  • find out a solution to copy/paste the vectors without losing the z coordinate
  • find out a solution to import the empty attribute table definition into the shp containing the vectors.
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    What is your vector type? Points, lines, polygons...? – Joseph Jul 28 '16 at 13:10
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    How do you know which shape and which table row belong together? – bugmenot123 Jul 28 '16 at 13:54
  • This are points or lines. – Ludovic Ernst Jul 29 '16 at 16:05
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From what I understand of your question it sounds like you need to join two tables together dependent on a common feature (i.e. rowID). Try using the Spatial Query plugin. Go to Plugins > Manage and Install Plugins... and search for 'Spatial Query Plugin' install that, if you haven't got it installed already. Once Installed go to Vector > Spatial Query > Spatial Query follow the dialogue box which is pretty intuitive and it will create a new vector for you with the attributes joined for you.

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  • Do you think that z coordinate will be included in the new vector? Because basically in QGIS when you edit vectors z coordinate disappear. – Ludovic Ernst Jul 29 '16 at 16:12

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