GeoData Explorer

Manual & FAQ’s

Frequently Asked Questions:

What Coordinate Reference System /Projection is supported for Vector Data?
ESRI Shapefile, FileGDB, GeoJSON and GPKG all must be in unprojected Geographic WGS84 (EPSG:4326)


Vector Tiles must be in Google Spherical Web Mercator Projection /Auxillary Web Sphere (EPSG:38567)
What Coordinate Reference System /Projection is supported for Raster Tiles?
Raster Tiles (Offline and Online) need to be in EPSG:3857 Google Spherical Web Mercator/Auxillary Web Sphere/Pseudo-Mercator. This is to keep the data consistent with other data sources and online base maps.  Having to reproject tiled data causes a lot of overhead on mobile devices and tablets.
What format can I export my drawing and editing?
Currently, only GeoJSON format is supported.   Click on the draw layer on the table of contents and click the downward facing arrow.
Does the app support offline spot elevation and terrain profile views?
Yes, if you’ve loaded mbtiles for elevation then as you move around the map you will see elevation readings.

The MBTILES have Terrarium Specification/Format PNG Tiles with elevation values encoded in the RGB Values of each Pixel

If you draw line for elevation, Load a GeoJSON or GPX file for Elevation you will see Graph/Chart of the Terrain Profile View along that Line/Route

Can I add Labels to my features?
No, however, we are actively planning this feature. You can, however, get popup attributes by clicking on feature.  Currently, the only dataset that supports labels is OSM MBTILES
Can I build custom forms and predefined field types?
Not at this point.  We have a full feature field data collection application with rich flexible forms that can capture points, lines, and polygons  Orange Maps Collector
Can the app work with a Windows Laptop/Tablet with Internal GNSS/GPS?
Currently, NO we are actively working on adding Location Sensors as Windows calls them.  You must have an external GNSS Receiver.

We support any NMEA compatible GNSS Receiver and we let you specify the COMM Port and Baud Rate.

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