Spatial Relationship Criterion #5: Points On Polylines

This criterion is particularly useful for analyzing the spatial relationship between point features and polylines, helping to determine whether specific points are directly on or along a polyline feature.

In this practical example, we’ll work with point data gathered through field measurements for the maintenance of a telecommunications network, specifically focusing on underground optical cable pipelines. The scenario involves an optical cable network, where each shapefile represents a different cable segment. The point coordinates represent the actual field data collected for maintenance purposes.

Our task is to overlay these points onto the network and identify which points align with specific cable segments. Let’s explore how this process is carried out using SGIS Desktop.