O'Reilly logo

QGIS By Example by Daria Svidzinska, Alexander Bruy

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Adding inputs

The first step of model creation is defining the input necessary for it. To do this, we should go over all the algorithms of the process that we want to automate and find out which input items are necessary. It is necessary to remember that some algorithms may not need separate inputs. They will use only results obtained in some previous steps, or in other words, the output of other algorithms. Also, some inputs may not be important and can be hardcoded in the model.

The Processing modeler supports the following kinds of input, which can be found in the Inputs tab on the left side of the modeler window:

  • Number: This is used for integer and floating-point values. When adding it, it is necessary to specify the minimum and maximum values ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required