Documentation of linking methods

The geo-referenced survey dataset is labelled as "Geocoded dataset", the spatial dataset as "Geospatial dataset". The DataPicker offers the exact parameters and valid values. For further information see also linking in: Documentation SoRa in R .

 

Lookup

Join a single value on a given point location.

Geocoded dataset

Geometry type: Point

 

Geospatial dataset

Geometry type: Polygon or Raster

Datatype: numeric or categorical

Parameter

-

Aggregate Attribute

Statistical aggregation of an attribute within a given environment (Circle, Square, Isochrone). Depending on the input datasets, the following measures can be determined: Minimum, Maximum, Mean, Median, Standard deviation,  Mode, Sum, Quantile (25%, 75%) and Histogram.

Geocoded dataset

Geometry type: Point or Polygon

Geospatial dataset:

Geometry type: Point, Line, Polygon or Raster

Datatype: numeric or categorical

Parameter

  • Selection area
  • Output

Nearest POI

Routing to nearest Point of Interest (POI): Euclidian Distance, shortest or fastest Route.

Geocoded dataset

Geometry type: Point

Geospatial dataset

Geometry type: Point

Datatype: none (geometry only), numeric or categorical

Parameter

  • Routing Type

Count objects

Count all spatial objects (Points, Lines, Polygons, or Raster cells) within a given environment (Circle, Square, Isochrone).

Geocoded dataset

Geometry type: Point or Polygon

Geospatial dataset

Geometry type: Point, Line, Polygon or Raster

Datatype: none (geometry only), numeric or categorical

Parameter

  • Selection area

Length of lines

Total length of all line segments within a given environment (Circle, Square, Isochrone).

Geocoded dataset

Geometry type: Point or Polygon

Geospatial dataset

Geometry type: Line

Datatype: none (geometry only), numeric or categorical

Parameter

  • Selection area

Area of polygons

Total sum of all areas within a given environment (Circle, Square, Isochrone).

Geocoded dataset

Geometry type: Point or Polygon

Geospatial dataset

Geometry type: Polygon

Datatype: none (geometry only), numeric or categorical

Parameter

  • Selection area