GIS Technology & News

Explore practical articles about GIS, geographic data, programming and product development.

Viễn thám

1 bài viết

OPERA DIST tracking land surface changes

May 4, 2026

Tracking Earth Changes with OPERA DIST

Learn about the OPERA Land Surface Disturbance (DIST) product suite - a powerful tool for monitoring land changes using Sentinel-1 and HLS satellite data at 30m resolution.

TLGeo Team

GIS

6 bài viết

April 27, 2026

GIS

Introduction to Forest Information Systems (FIS)

Learn about Forest Information Systems (FIS): concepts, importance, types of systems, components, and benefits in sustainable forest management.

TLGeo Team

April 26, 2026

GIS

Modernizing Forest Management: From Field Challenges to a Comprehensive Forest Information System

In the digital transformation era, forestry faces a paradox: increasingly large management areas, stricter international certification requirements, yet management methods at many locations remain stuck with notebooks and paper maps. This article analyzes challenges and proposes FIS solutions from TLGeo.

TLGeo Team

Comparing VN-2000 Internal and International on map

April 22, 2026

GIS

Decode VN-2000: Internal vs. International – Why Your Map Is Off by Hundreds of Meters?

When importing MapInfo or Microstation .dgn data into GeoCollect, maps shift by hundreds of meters relative to the base map. The root cause is confusion between two VN-2000 coordinate systems. This article decodes the role of proj string +towgs84 and how to choose the right coordinate system.

TLGeo Team

April 8, 2026

GIS

Technology Applications for Forestry — Forestry 4.0 Trends

Explore 4 key technology pillars in modern forestry: remote sensing, IoT monitoring, blockchain traceability and carbon estimation — helping transition from manual management to Forestry 4.0.

TLGeo Team

April 5, 2026

GIS

Common GIS File Formats Explained

A comprehensive guide to GIS file formats — from vector (SHP, GeoJSON, KML...) and raster (GeoTIFF...) to databases (GDB, SpatiaLite...) — including how to convert between them.

TLGeo Team

April 5, 2026

GIS

Types of Satellite Imagery Used in GIS

Explore the various types of satellite imagery used in GIS — from optical and radar to multispectral and LiDAR — and learn how to choose the right imagery for your project.

TLGeo Team

Remote Sensing

1 bài viết

OpenDataCube - large-scale satellite image processing

April 15, 2026

Remote Sensing

OpenDataCube - The Open-Source Alternative to Google Earth Engine (GEE)

OpenDataCube is an open-source software that replaces Google Earth Engine — self-hosted, no quota limits, runs offline. This article shares my personal experience learning and applying ODC to TLGeo products.

TLGeo Team

Product

1 bài viết

April 6, 2026

Product

Which File Formats Does Geocollect Support?

A complete list of GIS file formats supported by Geocollect (iOS, Android) and Geocloud for importing and exporting geographic data — from GeoJSON, KML, GPX, Shapefile to MapInfo TAB.

TLGeo Team

Kết nối với TLGeo ngay

Chúng tôi muốn là một phần công nghệ của doanh nghiệp bạn, mỗi giải pháp chúng tôi phát triển là một công việc của khách hàng được giải quyết.

+84.363.077.359