Distance Analysis

Distance analysis differs from Reach analysis: Reach measures the amount of reachable network, while Distance measures average or total distance from a source segment to reachable segments.

Directional Distance

Path: Analysis > Distance > Directional Distance

Directional Distance uses a metric search radius and an angle threshold. A radius can be numeric, such as 500, or n for the full network.

Directional Distance calculation

Directional Distance and Directional Distance per Segment Length.

Directional Distance parameters

Directional Distance parameter panel.

Directional Distance result

Directional Distance result.

The outputs include:

  • D: mean directional distance by segment count

  • DL: directional distance weighted by segment length

Junction Distance

Path: Analysis > Distance > Junction Distance

Junction Distance replaces directional-change counts with junction counts. A degree threshold of 4 counts 4-way intersections.

Junction Distance parameters

Junction Distance parameter panel.

Junction Distance result

Junction Distance result.

Distance Options

Weighted Distance uses numeric attributes in the average distance calculation.

Distance options

Distance option panel.

Distance option result

Weighted Distance result.

Point Distance

Point Distance computes the distance from one selected segment to every other segment.

Point Distance parameters

Metric, directional, and junction Point Distance options.

Point Distance result

Point Distance result.