Portable Tile Server

Portable Tile Server

Portable Tile Server

Tech Maven Geospatial, LLC is proud to announce our latest innovative app designed to serve data to nearby mapping clients or deliver a webpage with data over the network.

Users can load Folder of Tiles and MBTILES SQLite databases to be served by the tile server.

GeoData Explorer App – Android Released

GeoData Explorer App – Android Released

Geo Data Explorer – version 1.0.0 launched on Google Play Store for Android Tablets.


Geo Data Explorer is an innovative GIS mapping app and enables rapid data visualization, data collection, editing and analysis of internet map data and web services and local offline data.  It’s designed for professional mapping use and has premium features and advanced capabilities.


Add Data offline:

Wide list of Supported formats all displayed in a table of contents with access to attribute table, search, zoom to extent, opacity/transparency slider


  • ESRI Shapefile (SHP) Zipped
  • ESRI File Geodatabase Zipped
  • GeoJSON
  • GPX
  • CSV – Comma Separated Values Text File with Columns with Latitude and Longitude
  • Geotiff Raster Imagery – limited support 10-15mb max size Geographic WGS84 (4326)
  • Add image overlay  (Scanned Image or Photo – rubber sheet it)
  • Raster Tiles (PNG, JPG, WebP) from Mbtiles and GeoPackage SQLite
  • Vector Tiles Mbtiles
  • Vector Tiles Open Street Map MBTILES from OpenMapTiles.com with stylesheets integrated)
  • OGC GPKG – Geopackage  vector features
  • Elevation Tiles (Terrarium PNG format)

Notes:Vector Data must be in EPSG:4326 Geographic WGS84 Coordinate System

Raster Tiles and Vector Tiles must be in EPSG:3857 Google Spherical Web Mercator


Web services support:

Add web services published from OGC Map Servers like GeoServer, MapServer, MapGuide and ESRI ArcGIS. Supported formats are

  • TMS/XYZ TILE SERVERS (Raster and Vector)
  • OGC WMTS – Web Map Tile Service
  • OGC WMS – Web Map Service
  • ESRI ArcGIS dynamic map services (MapServer)
  • ESRI ArcGIS Feature Service (FeatureServer)
  • ESRI ArcGIS ImageServices (ImageServer)


Online Basemaps

Default basemap is Open Street Map Vector Tiles with multiple stylesheets to choose from.  We are self hosting OpenMapTiles.com data on our servers.

Online Basemap Picker with ESRI, Microsoft BING, Google, HERE, Stamen, Thunderforest, OpenStreetMap, CartoDB and many others.


Internet Weather overlays from OpenWeatherMap.com


SPLIT/SWIPE to compare feature


View Attributes, Filter and Sort, Copy, Export attributes into many formats


Google Search, Google Places Integration

GIS Data Editing

Support editing and creating

  • Polyline
  • Polygon
  • Rectangle
  • Circle
  • Point

Add Unlimited Feature Properties to collected data. Text based free form data entry.

Download Draw Layer as GeoJSON and perform analysis on draw layer


Configure feature Labels and Mouse/Position Over Labels (non permanent)


Table of Contents

Manage display of data

Control Opacity/Transparency of each item


Style editor:

Edit style of overlayer feature

  • Change Outline color
  • Change fill color
  • Set border opacity
  • Set fill opacity
  • Change border style


Analysis tools:

  • Layer to Buffer
  • Voronoi
  • Calculate Center
  • Envelop
  • Convex
  • Layer to Bbox string
  • Layer to Bbox polygon



  • Mini Map Overview
  • Compass
  • Paint and Annotation
  • Scale bar
  • Spatial BookMark
  • Coordinates capture
    • UTM
    • GPS
    • UTM
    • QTH
    • NAC
    • What3Words
  • Geolocation
  • GRIDS/Graticule Lines -Lat Long, MGRS, Distance Grids and others
  • Measure Linear Distance and Area


Spot Elevation (elevation of one location and updates as you move) – supports mbtiles with MapZen Terrarium PNG Terrain Tiles.

Terrain Profile View Graph (draw line or from GPX)



Design and print you map


Take and save notes about your analysis/ map


JSON Catalog for Web Services Data – this configures the Add Layers button in Table of Contents.


Supports IP GeoLocation and Internal Sensors (GNSS/GPS) as well as ability to connect to high precision external GNSS/GPS Receivers

Ability to Snap to Location


View GeoTagged Photos


Toggle Online/Offline Mode

Enable Full Screen to hide Menu and some tools

Happy Veterans Day

Happy Veterans Day

Tech Maven Geospatial wishes to thank all Veterans for their service

as a vendor with the US Government’s Innovative GEOINT Application Provider Program (IGAPP) we support the Defense and Intelligence and Homeland Security professionals and their missions to protect USA interests and keep our homeland safe.

GeoData Collector Desktop and Mobile App

Tech Maven Geospatial is excited to announce a field data collection with Mapping and Reporting application.

It supports flexible forms that support conditional logic and completely offline.

Attach media: (Photos, Videos, Audio Recordings, Notes, Documents)

Offline Map with support for offline data formats GPKG, MBTiles, ESRI Shapefile


Offline Mapping and Data Creation and Visualization Mobile App coming soon

The team at Tech Maven Geospatial has been hard at work on our new cross platform mobile app: Geospatial Data Explorer

that will soon be available on Apple App Store, Google Play Store and Microsoft Store.

Innovative features like offline elevation and terrain profile views, OGC GeoPackage Support, Map Box Vector Tiles, ESRI Shapefile and ESRI FileGeodatabase, Raster MBTiles, GeoJSON, KML, CSV.  Draw features, Spatial Bookmarks, Graticules Lines, Basemap picker, Measure linear and area and so much more. When you do have internet access we have Integrated in Google Places and Directions API’s. We have a huge road map of features.

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