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GIS Tutorial

Geospatial Data Harvesting: Using Grok AI to Map Li Ka-shing's Sold Ports for Cesium Visualization

The recent sale of 43 global ports by Li Ka-shing—including two along the Panama Canal—has drawn int...

Topic: GIS Tutorial sailor 2025-03-19

GIS Tutorial

Implementing Lightweight Choropleth Mapping with Colormap.js

When creating thematic maps in ArcGIS or QGIS, thematic coloring (choropleth mapping) is a common te...

Topic: GIS Tutorial sailor 2025-02-24

GIS Tutorial

How the Renaming of the Gulf of Mexico Impacts the GIS Industry

Since U.S. President Donald Trump's executive order on his first day in office renamed the Gulf of M...

Topic: GIS Tutorial sailor 2025-02-13

GIS Tutorial

Implementing Custom Basemaps in CesiumJS: Eliminating Cesium Ion Dependency

Following our guide on https://malagis.com/qucik-build-a-cesium-study-example.html, this article add...

Topic: GIS Tutorial sailor 2025-02-07

GIS Tutorial

Pre-rendered Global Basemaps for Simplified Geovisualization

For global-scale visualizations (e.g., GDP distribution maps), complex tile services like WMTS/WMS a...

Topic: GIS Tutorial sailor 2025-02-06

GIS Tutorial

Implementing Cesium in Legacy WebGIS Projects: Overcoming Node Version Constraints

When integrating Cesium into a legacy UMI3-based WebGIS project, Node version compatibility issues a...

Topic: GIS Tutorial sailor 2025-01-05

GIS Tutorial

Comparative Evaluation of Public CDN Resources for CesiumJS Deployment

When deploying CesiumJS projects, the library's substantial size (~100MB) often slows CI builds. Thi...

Topic: GIS Tutorial sailor 2025-01-04

GIS Tutorial

Maptalks: An Open-Source Alternative to Cesium for Geospatial Visualization

Following Bentley Systems' acquisition of Cesium and its increasing commercial integration, GIS prof...

Topic: GIS Tutorial sailor 2025-01-03

GIS Tutorial

Implementing Dynamic Marathon Route Visualization with Cesium

As an alternative to the MapPlus solution presented in our previous article 《Creating Dynamic Marath...

Topic: GIS Tutorial sailor 2024-12-23