Catégorie : T4QG

Spatial Attributes 0

Spatial Attributes

Spatial Attributes:¶ Morphological Indicators :¶ STSpatialAttributeCommand(functionsToApply, layer, outputLayerName).execute()¶ Parameters: functionsToApply (list) – A list of one or more of the following parameters to be calculated : Area, Perimeter, NbConcavities, PerimeterConvexityDefect, AreaConvexityDefect, GraveliusIndex, MillerIndex layer...

Welcome to the T4QG Documentation Page 0

Welcome to the T4QG Documentation Page

Welcome to the T4QG Documentation Page¶ Welcome to the Tools 4 QGis Documentation home page. T4QG is a Quantum-GIS plugin created at the CRENAU Laboratory. The aim and scope of this tool is to...

Creating Geometries 0

Creating Geometries

  Creating Geometries¶ Simple Geometries:¶ StSpatialCommand(functionToApply, layer, outputLayername)¶ Parameters: functionsToApply (type) – Choose between Kernel, BBox, Centroid, Convex Hull layer (QgsVectorLayer) – input layer outputLayername (string) – output layer name The Kernel is the...

Extracting Intersections 0

Extracting Intersections

  Extracting Intersections¶ T4QG offers two diferent methods for extracting the open space at intersections. Intersections are here defined by points (i.e., a QgsPoint Layer). You may already have a a point layer available,...

Creating Graphs 0

Creating Graphs

Creating Graphs¶ This section explains the basic built-in functionalities pertaining to urban graph analysis. The two principal elements of an urban graph are vertices and edges. Generally, a vertex corresponds to the intersection of...