Geographic Information Systems

Questions tagged [vector-field]

Ask Question

According to https://en.wikipedia.org/wiki/Vector_field a vector field is an assignment of a vector to each point in a subset of space. A vector field in the plane (for instance), can be visualised as a collection of arrows with a given magnitude and direction, each attached to a point in the plane.

2 questions
Info Newest Frequent Votes Active Unanswered
4
votes
1answer
208 views

Graphical modeler in QGIS 3.0.3 - Access Vector Field in Calculator

I want to create an algorithm with the graphical modeler in QGIS 3.0.3 where i define one Vector Layer and a Vector Field from this Layer as my inputvariables. Then i want to access the field-values ...
14
votes
1answer
662 views

How to control the arrow length of vector field markers in the layer list legend?

In QGIS 2.14.5 LTR (and recently in QGIS 3.0) I've set up a beautiful map design with a graduated renderer and vector field markers for each value range (arrow length is directly proportional to ...