Usage Instructions

This is a tool for quickly creating and sharing annotation over large satellite image scenes. Users can select a class from the class list, add polygon and point label annotations over the imagery, then download the layer of annotations as a GeoJSON file that can be easily integrated with other GIS workflows.

A walkthrough of the buttons on the left of the screen:

displays this help screen!

displays annotations from a previously downloaded GeoJSON file

downloads the current set of annotations as a GeoJSON file

adds polygons, rectangles, and point annotations of the selected class

edit and delete annotations on the screen

ruler tool, click two points to measure the distance between them, press ESC to exit out of ruler mode