GeoCha
GeoCha is a web-based geographic annotation tool that allows users to view satellite imagery and annotate locations with tags, comments, pictures, and drawings. It facilitates crowdsourced mapping.
crowdsourcing
satellite-imagery
annotation
mapping
GeoCha: Web-Based Geographic Annotation Tool
GeoCha is a web-based geographic annotation tool that allows users to view satellite imagery and annotate locations with tags, comments, pictures, and drawings. It facilitates crowdsourced mapping.
What is GeoCha?
GeoCha is a web-based geographic annotation tool developed by the GeoVista Center at Penn State University. It allows users to view high-resolution satellite imagery from different parts of the world and annotate locations on the imagery with tags, comments, pictures, and drawings.
Some key features of GeoCha include:
- Intuitive user interface for panning and zooming satellite images
- Tools for adding markers, lines, polygons to label geographical features
- Capability to describe places with tags, text comments, photographs
- User moderation and consensus building tools
- Support for grouping annotations into folders and collections
GeoCha enables crowdsourced mapping and makes it easy for online volunteer users to identify and map unofficial places and landmarks that may not appear on traditional maps. It facilitates collaborative geospatial data creation and could be useful for a variety of mapping applications in areas like land use analysis, disaster response, transportation planning, and more.
GeoCha Features
Features
- View satellite imagery
- Annotate locations with tags, comments, pictures and drawings
- Facilitate crowdsourced mapping
Pricing
- Freemium
Pros
Allows collaborative mapping
Easy to use interface
Integrates with various data sources
Cons
Limited image resolution
Requires internet connection
Data privacy concerns
Official Links
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