Overlay

an overlay is a satellite image that come from one of our source the overlay object contain the follow propertry:

• footprint: a geoJson Point, MultiPolygon or LineString.
• sensorType: the type of the sensor this image come from;
• sensorName: the name of the sensor this image come from;;
• bestResolution: the resolution of the image;
• cloudCoverage: the cloud coverage of the image;
• name: the name of the image;
• imageUrl: the url of the image;
• thumbnailUrl: the url of the thumbnail image;
• photoTime: string represent the time this image was taken;
• date: a Date object represent the time this image was taken;
• azimuth: the azimuth of the image in radians.
• isGeoRegistered: this image is register (one of: 'geoRegistered', 'notGeoRegistered', 'poorGeoRegistered'); projection: the projection of the image; photoAngle: this image is 'diagonal' or 'verticle' sensorLocation: a geoJson point indicate the location of the sensor when this image was taken ;