analyze_spatiotemporal_accessibility

Computes empirical isochrones and reachable areas from OD matrix and starting geohash.

Updated Jun 2, 2026

Search Tags:#geohash #isochrones #spatiotemporal analysis #mobility analysis #OD matrix

Ready to run

npx skills add https://github.com/bettercallfan/deerflow --skill analyze-spatiotemporal-accessibility

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: analyze_spatiotemporal_accessibility
Source: https://github.com/bettercallfan/deerflow/tree/main/skills/custom/spatiotemporal_trajectory/analyze_spatiotemporal_accessibility
Command: npx skills add https://github.com/bettercallfan/deerflow --skill analyze-spatiotemporal-accessibility

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides the capability to compute trajectory-based isochrones and spatial accessibility, assisting in analyzing travel-time accessibility and mobility coverage.

Core Features & Use Cases

Isochrones: Calculate the areas reachable within specific time frames from a starting point.
Spatial Accessibility: Assess the coverage and reachability of mobility patterns.
Use Case: This Skill can be utilized to understand the reachability of public transportation services within a city, identifying areas with varying accessibility to amenities or public transit hubs.

Quick Start

Use the analyze_spatiotemporal_accessibility skill with the --od-matrix argument pointing to your OD matrix file and --origin-geohash set to your starting location's geohash.

Frequently Asked Questions about analyze_spatiotemporal_accessibility

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I calculate isochrones and spatial accessibility from trajectory data?▼

To calculate isochrones and spatial accessibility, you need an OD matrix and a starting geohash. This Skill processes the empirical travel times to compute reachable areas within specific time frames for mobility analysis.

What is an isochrone map and when do I need it for urban planning?▼

An isochrone map represents the area reachable within a specific time frame from a given origin. You need it for urban planning tasks like assessing public transportation service reachability and identifying areas with varying accessibility to transit hubs.

How do I compute reachable areas using an OD matrix and geohash?▼

You compute reachable areas by passing your OD matrix file via the `--od-matrix` argument and setting your starting location's geohash with the `--origin-geohash` argument. The Skill then evaluates travel-time accessibility from that origin point.

Can I analyze public transportation reachability without a pre-built OD matrix?▼

No, you cannot analyze public transportation reachability without a pre-built OD matrix. This Skill requires a well-structured OD matrix and a precise geohash input to accurately compute empirical isochrones and assess mobility patterns.

What is the best way to assess travel-time accessibility for emergency response planning?▼

The best way to assess travel-time accessibility for emergency response planning is to compute empirical isochrones from an OD matrix. This approach calculates spatial coverage and reachability based on actual trajectory data and a precise starting geohash.

Why does my spatial accessibility analysis require precise geohash input?▼

Spatial accessibility analysis requires precise geohash input because it serves as the exact origin point for the OD matrix calculations. Inaccurate geohash data will lead to incorrect isochrone generation and flawed mobility pattern assessments.