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Sharing GIS Technologies, Resources and News.

Acquiring Global Satellite Orbit Data from UCS Database

Following our previous article 《「GIS Tutorial」Visualizing Global Satellites Online》, many readers inquired about accessing raw satellite data for custom visualizations. After extensive research, we've identified a reliable method to obtain comprehensive satellite orbital data.


Reference visualization from the original platform

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Global Income Tax Rates Dataset for GIS Mapping

While processing personal income tax returns, I compiled global income tax data into a GIS-compatible CSV format suitable for mapping in ArcGIS or QGIS.

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GIS Industry Salary Survey 2024(China): Key Findings and Analysis

In the previous article GIS Professional Salary Survey (2024 Edition), we conducted a survey on GIS professionals' income levels. We sincerely thank all participants – we received 1,462 valid responses, representing the largest participation in our surveys to date. This sample size of approximately 1,500 responses provides meaningful insights into the current income landscape of our "sunrise industry".

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A Closer Look at Mobile Location Access: Testing Across Devices

One of the recent viral trends on Chinese social media is the phrase "discovered oil," often paired with dramatic music and suspenseful visuals. As someone working in GIS, I’m naturally sensitive to the term "location." When I saw the buzz online, I decided to run some tests myself and share my observations on how location access works across different devices.

Note: All test results are based solely on devices I own or borrowed. They reflect personal experiences and may not represent universal behavior. All tests were performed within the WeChat app.

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Converting GIS Polygons to WKT Format with QGIS and Python

While developing a workflow involving spatial data duplication, an analyst requested help with client requirements:
① Convert individual polygons to WKT format in TXT files
② Merge multiple polygons into MultiPolygon WKT format

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Resolving Blank Screen Issue in ArcGIS Pro 3.0 After Installation

Users installing ArcGIS Pro 3.0 on Windows 11 may encounter a blank interface despite successful installation. The software displays no maps, web services, or searchable online tools:


Figure: Post-installation blank screen

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Global Remote Work Platforms for GIS Professionals

Following previous discussions on GIS side gigs, this guide addresses practical approaches to earning internationally. Given higher labor costs in developed countries, leveraging currency exchange rates makes international remote work particularly advantageous for GIS specialists. For context, consider these cases:

  1. Chengdu programmer fined for overseas remote work: https://www.sohu.com/a/724375120_121333743
  2. US developer outsourced work to China, earning $200k/year: https://cloud.tencent.com/developer/article/1547440

The principle remains: Competing globally often yields better returns than domestic markets.

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All history Map: Integrating Geography, Figures, and Events

Following our previous article 《「GIS Resource」Sharing WMTS Service for Chinese Historical Maps》, many users adopted the historical territory maps. However, those maps lacked contextual historical figures and events. Based on reader recommendations, we present a more comprehensive solution:

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Official Autodesk IFC Manual: Essential Resource for BIM Professionals

Recent work involving IFC standards led me to Autodesk's official documentation, which I'm sharing here:

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Real-Time Visualization Tool for Tracking Global Satellite Orbits

Following our previous article 《A WMTS Service for Historical Chinese Maps: How to Load in QGIS》, colleagues inquired about websites for querying global satellite parameters. Coincidentally, I recently discovered such a platform through video recommendations. The website remains operational and is shared here for relevant needs.

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