MalaGIS

Sharing GIS Technologies, Resources and News.

We're introducing the Global Age Mapping Integration (GAMI) dataset—a high-resolution global forest age distribution resource for 2010 and 2020.

more >>

Following our previous article 《「GIS Data」Global Maximum Personal Income Tax Rates for 2023》, many readers requested guidance on visualizing the data. This guide demonstrates a rapid technique to acquire global administrative boundaries using native QGIS functionality - no plugins required.

Note: While remarkably simple, this approach requires boundary verification, particularly for China.

more >>

We're sharing a valuable 2023 global soil erodibility dataset acquired through complex application procedures. This resource is particularly useful for GIS researchers conducting soil erosion studies.

more >>

In response to community inquiries regarding forest cover data analysis (e.g., correlation with PM2.5 levels), we present a comprehensive 2020 global forest coverage dataset available through multiple access methods: WMS services, Google Earth Engine (GEE), or direct download.

more >>

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

more >>

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.

more >>

Recently, someone in the Malagis GIS group was looking for historical maps of Chinese dynasties. While a friend from Qingdao shared some high-resolution scanned maps, I remembered seeing an online historical map service maintained by an institute in Taiwan. After asking GPT, I found it again. If you're interested in historical geography, this is a valuable resource.

more >>