QGIS/resources/function_help/json/triangular_wave_randomized

{
  "name": "triangular_wave_randomized",
  "type": "function",
  "groups": ["GeometryGroup"],
  "description": "Constructs randomized triangular waves along the boundary of a geometry.",
  "arguments": [{
    "arg": "geometry",
    "description": "a geometry"
  }, {
    "arg": "min_wavelength",
    "description": "minimum wavelength of waves"
  }, {
    "arg": "max_wavelength",
    "description": "maximum wavelength of waves"
  }, {
    "arg": "min_amplitude",
    "description": "minimum amplitude of waves"
  }, {
    "arg": "max_amplitude",
    "description": "maximum amplitude of waves"
  }, {
    "arg": "seed",
    "optional": true,
    "default": "0",
    "description": "specifies a random seed for generating waves. If the seed is 0, then a completely random set of waves will be generated."
  }],
  "examples": [{
    "expression": "triangular_wave_randomized(geom_from_wkt('LineString(0 0, 10 0)'), 2, 3, 0.1, 0.2)",
    "returns": "Randomly sized triangular waves with wavelengths between 2 and 3 and amplitudes between 0.1 and 0.2 along the linestring"
  }],
  "tags": ["waves", "boundary", "constructs", "randomized", "triangular"]
}