MalaGIS

Sharing GIS Technologies, Resources and News.

GIS Tutorial

A Survey of Spatiotemporal Foundation Models in China

I previously shared an evaluation of remote sensing foundation models by an overseas expert in “Eval...

Topic: GIS Tutorial sailor 1 days ago

GIS Tutorial

Scanning a Hospital with iPhone LiDAR: From Point Cloud to Editable BIM

In the GIS industry, when we talk about LiDAR or 3D point clouds, we tend to think of professional d...

Topic: GIS Tutorial sailor 7 days ago

GIS Tutorial

How Usable Are Geospatial Foundation Models? Review of an Evaluation of 89 Models

Recently, remote sensing large models and geospatial foundation models have attracted widespread att...

Topic: GIS Tutorial sailor 29 days ago

GIS Tutorial

Extracting Vector Features from Scanned Maps with ArcGIS Pro 3.7

ArcGIS Pro 3.7 has been out for quite a while now. When I was reviewing the new features, I noticed ...

Topic: GIS Tutorial sailor 2026-08-04

GIS Tutorial

EU Imposes 24-Hour Delay on Copernicus Sentinel Data Over the Gulf of Oman

Recently, the European Union passed a resolution to delay the public release of data from the Copern...

Topic: GIS Tutorial sailor 2026-07-30

GIS Tutorial

Computing the Minimum Area Bounding Rectangle for a Point Set

Recently, while extracting point cloud boundaries, I encountered a problem: given a set of discrete ...

Topic: GIS Tutorial sailor 2026-07-28

GIS Tutorial

Exploring Cesium World Bathymetry: High-Resolution Ocean Floor Terrain for CesiumJS

Recently I noticed a new terrain dataset on Cesium ion: Cesium World Bathymetry. Previously, when de...

Topic: GIS Tutorial sailor 2026-07-23

GIS Tutorial

Amap's "Location Passcode": Temporary Sharing vs. Plus Code

Recently I saw that Amap (AutoNavi) launched a "Location Passcode": six digits that take you directl...

Topic: GIS Tutorial sailor 2026-07-22

GIS Tutorial

DEM, DSM, and DTM: What They Mean and How to Tell Them Apart

Recently, someone in the MalaGIS group asked again: which of DEM, DSM, and DTM actually represents d...

Topic: GIS Tutorial sailor 2026-07-20

GIS Tutorial

Designing Maps for Color Vision Deficiency: Principles and Tools

Recently, someone in the Mala GIS group shared an experience: a map they had worked hard to design w...

Topic: GIS Tutorial sailor 2026-07-09