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Spatial Analysis

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Python Programming Learning Circle
Python Programming Learning Circle
Jun 4, 2025 · Fundamentals

Implementing Geodetector in Python with the py_geodetector Library

This article introduces the Geodetector statistical method for measuring spatial stratified heterogeneity and demonstrates how to install and use the py_geodetector Python package, providing a complete code example for factor, interaction, ecological, and risk analysis.

GeodetectorSpatial Analysispy_geodetector
0 likes · 4 min read
Implementing Geodetector in Python with the py_geodetector Library
JD Tech
JD Tech
Mar 17, 2025 · Fundamentals

Fundamentals of Map Trajectory Technology and GIS Applications

This article provides a comprehensive overview of map trajectory technology, covering geographic coordinate systems, map projections, GIS software basics, data formats, GPS data processing, real‑time and historical trajectory analysis, and recent advances such as AI‑driven services and cross‑domain integrations.

Data ProcessingGISGPS
0 likes · 21 min read
Fundamentals of Map Trajectory Technology and GIS Applications
JD Tech Talk
JD Tech Talk
Mar 17, 2025 · Fundamentals

Map Trajectory Technology: Fundamentals, Data Formats, GIS Operations, and Path Planning

This article provides a comprehensive overview of map trajectory technology, covering GIS fundamentals, coordinate systems, data formats, import/export methods, GPS processing, spatial analysis, path‑planning algorithms, real‑time and historical tracking, and recent advances such as AI‑driven services and high‑precision mapping.

GISGPSPython
0 likes · 30 min read
Map Trajectory Technology: Fundamentals, Data Formats, GIS Operations, and Path Planning
Python Programming Learning Circle
Python Programming Learning Circle
Jun 11, 2024 · Operations

Using the Python TRACC Library for Urban Transportation Accessibility Analysis

This article introduces the open‑source Python library TRACC, explains how to install it, prepare destination and travel‑cost data, and walk through a step‑by‑step workflow—including code snippets—to compute potential, passive, and minimum travel‑cost accessibility metrics for urban areas.

Spatial Analysisaccessibilitydata science
0 likes · 7 min read
Using the Python TRACC Library for Urban Transportation Accessibility Analysis
JD Tech Talk
JD Tech Talk
Nov 9, 2020 · Big Data

Trajectory-Based Population Flow Analysis for COVID‑19 Prevention Using HBase and Spark

The article presents a comprehensive big‑data solution that stores massive GPS trajectory records in HBase, processes them with Spark to identify individuals who visited a pandemic source region, and visualizes their spatio‑temporal distribution in target cities to support precise epidemic control measures.

Big DataCOVID-19HBase
0 likes · 8 min read
Trajectory-Based Population Flow Analysis for COVID‑19 Prevention Using HBase and Spark
Didi Tech
Didi Tech
Sep 24, 2020 · Artificial Intelligence

Trajectory Data Mining for Road Network Updates and Route Deviation Detection

The paper shows how DiDi’s massive driver‑trajectory data can be mined with clustering, map‑matching, and deep‑learning techniques to automatically refine intersection positions, calibrate road‑network topology, and detect both individual detours and collective road‑closure anomalies, enabling real‑time map improvements and safety services.

Big DataSpatial Analysismachine learning
0 likes · 19 min read
Trajectory Data Mining for Road Network Updates and Route Deviation Detection
Manbang Technology Team
Manbang Technology Team
Nov 15, 2018 · Fundamentals

Introduction to GIS and Its Application in Highway Logistics Platforms

This article explains the fundamentals of Geographic Information Science (GIS), recounts John Snow's historic cholera map as an early GIS example, and details how GIS technology can be leveraged to build a road‑logistics platform that enables real‑time monitoring, dispatch, path planning, and data‑driven decision making for transportation companies.

Data VisualizationGISLogistics
0 likes · 10 min read
Introduction to GIS and Its Application in Highway Logistics Platforms