MapPiece（マップピース）
Android app by hokutosangyou. Maps & Navigation · hokutosangyou
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.35
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
Reliable location and data even in remote mountain areas with no signal. The ultimate offline GIS app for forestry and field surveys. Abundant base maps are immediately usable, and custom data runs smoothly! Detailed explanation (within 4000 characters) 'MapPiece' is a professional-grade map and GIS app specifically designed for use in mountainous areas with no signal and in demanding fieldwork. After installation, maps from the Geospatial Information Authority of Japan and a wealth of base maps are immediately available! Furthermore, you can import custom offline maps (MBTiles) and boundary data (GeoJSON) created with QGIS, etc., to your smartphone and freely customize them to suit your field needs. We've thoroughly tuned it to include only the truly necessary functions for field use, making it intuitive for anyone and running smoothly on any Android device. 【MapPiece's overwhelming strengths】 ■ Runs smoothly even with massive data! Even with heavy boundary and polygon data of tens of megabytes, our unique background optimization process ensures smooth operation without freezing, even on older smartphones. ■ Fully Offline Compatible Supports MBTiles (offline map) format. By loading maps exported from QGIS or similar software beforehand, you won't lose track of your current location even in complete loss of signal. Since it uses the built-in font system, there's no need to worry about text disappearing in an offline environment. 【Main Features】 ・Custom Base Map Switching (Favorite Registration Function) Switch between standard maps from the Geospatial Information Authority of Japan, aerial photographs, etc., with a single tap. Up to 5 custom URLs (XYZ tiles) can be registered, and names and URLs can be easily edited and saved by long-pressing. *In addition to "Shaded Relief Map" and "Slope Map" as initial presets, "Noto Red Relief Map" is included as standard for reconstruction and survey support. ・GeoJSON Layer Management Freely select whether to display polygons and boundaries ON/OFF, and whether to display attribute labels (forest compartment, sub-compartment, owner name, etc.). ・GPS Track Log Recording Accurately records your walking route in the background, and can be exported and shared as a GPX file. * Point (Pin) Placement Function: Place pins at important locations found in the field, adding color coding and notes. Recorded data can be exported in JSON format. * Compass Mode: Switch between "Compass Mode," which aligns the screen orientation with a compass, and "North Up," which always keeps north at the top, with a single tap. * Recommended for: * Forestry professionals (data verification, boundary confirmation, management planning) * Land and building surveyors/land surveyors (field surveys, boundary marker searches) * Hunting, outdoor activities, infrastructure inspection, and anyone else working in mountainous areas Reflecting feedback from the field, MapPiece pursues ultimate "non-clumping, non-clumping, and easy-t
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