# Gradient Vectors from Surface

O.Conrad (c) 2006
Create lines indicating the gradient.

## Parameters

Grid system
Grid system
  Grid system
Surface
Input Grid
Gradient Vectors
Output Shapes
Step
Integer
  Minimum: 1.0
Size Range
Value range
  size range as percentage of step
  Minimum: 1.50614291599e-316; Maximum: 1.50607967559e-316
Aggregation
Choice
  how to request values if step size is more than one cell
  Available choices: nearest neighbour, mean value
Style
Choice
  Available choices: simple line, arrow, arrow (centered to cell)