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Graphical modeler calculator missing in QGIS3

How to connect input parameter to the field calculator algorithm within the graphical modeler?QGIS graphical modeler calculatorUsing raster calculator in the graphical modeler of QGISUsing a plugin in QGIS modelerUsing Calculator in QGIS Graphical ModelerGraphical modeler in QGIS 3.0.3 - Access Vector Field in CalculatorRecovering output value in QGIS graphical modeler?Referencing another layer in Field Calculator inside Graphical ModelerBackwards compatibility for QGIS 3.2.1 Processing ModelerAccess string output of QGIS 3 processing script in graphical modeler

2

There used to be a calculator in the modeler-only tools in QGIS graphical modeler. But I notice that it is missing in QGIS3. How do I do numerical calculations as part of the model? For example, take input in km and convert it to meters for certain algorithm.

qgis qgis-processing qgis-modeler

share|improve this question

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

add a comment | 

2

There used to be a calculator in the modeler-only tools in QGIS graphical modeler. But I notice that it is missing in QGIS3. How do I do numerical calculations as part of the model? For example, take input in km and convert it to meters for certain algorithm.

qgis qgis-processing qgis-modeler

share|improve this question

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

add a comment | 

There used to be a calculator in the modeler-only tools in QGIS graphical modeler. But I notice that it is missing in QGIS3. How do I do numerical calculations as part of the model? For example, take input in km and convert it to meters for certain algorithm.

qgis qgis-processing qgis-modeler

share|improve this question

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

share|improve this question

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

share|improve this question

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

edited 7 mins ago

lambertj

1,8931623

edited 7 mins ago

lambertj

1,8931623

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

asked 1 hour ago

spatialthoughtsspatialthoughts

3,5341521

1 Answer
1

active

oldest

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4

You can use expression within a model. For instance, my distance is in kilometers. But I want to do my buffer with meters.

Next to the distance field in the buffer algorithm, you can choose an expression input. And then use the number input with a formula.

share|improve this answer

edited 23 mins ago

answered 1 hour ago

etrimailleetrimaille

1,465617

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Exactly what I was looking for. Being able to use the expression within the model removes the need for a separate calculator algorithm and is much more powerful.
  
  – spatialthoughts
  59 mins ago
  

  
  
  
  

add a comment | 

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4

You can use expression within a model. For instance, my distance is in kilometers. But I want to do my buffer with meters.

Next to the distance field in the buffer algorithm, you can choose an expression input. And then use the number input with a formula.

share|improve this answer

edited 23 mins ago

answered 1 hour ago

etrimailleetrimaille

1,465617

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Exactly what I was looking for. Being able to use the expression within the model removes the need for a separate calculator algorithm and is much more powerful.
  
  – spatialthoughts
  59 mins ago
  

  
  
  
  

add a comment | 

4

You can use expression within a model. For instance, my distance is in kilometers. But I want to do my buffer with meters.

Next to the distance field in the buffer algorithm, you can choose an expression input. And then use the number input with a formula.

share|improve this answer

edited 23 mins ago

answered 1 hour ago

etrimailleetrimaille

1,465617

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks. Exactly what I was looking for. Being able to use the expression within the model removes the need for a separate calculator algorithm and is much more powerful.
  
  – spatialthoughts
  59 mins ago
  

  
  
  
  

add a comment | 

You can use expression within a model. For instance, my distance is in kilometers. But I want to do my buffer with meters.

Next to the distance field in the buffer algorithm, you can choose an expression input. And then use the number input with a formula.

share|improve this answer

edited 23 mins ago

answered 1 hour ago

etrimailleetrimaille

1,465617

share|improve this answer

edited 23 mins ago

answered 1 hour ago

etrimailleetrimaille

1,465617

answered 1 hour ago

etrimailleetrimaille

1,465617

answered 1 hour ago

etrimailleetrimaille

1,465617