Cave3D

TopoDroid 3D viewer of survey data, and cave projects. 

From TopoDroid v. 6.0.0, Cave3D is included in the TopoDroid apk and is not distributed as a separate app.

Old apk downlaod: http://marcocorvi.altervista.org/caving/speleoapps/speleoapks/SpeleoApks.html

Cave3D lets you see your cave survey while you are taking it, inside the cave, and analyze it in relation to a digital terrain model and other caves, on the spot.

You can move, zoom, rotate the 3D view of the cave. 3d wall can be reconstructed from the splays. Surface DEM can be loaded from a ascii grid file, and surface textures from a geoTiff or OSM map.

It can display directions rose diagrams, and survey infos, and you can measure the distance between stations, their distance along the cave, and the depth below the surface (if there is DEM).

Model export formats: STL, CGAL, LAS, DXF, shapefile, and Gltf.

Surveys can be loaded also from Therion (as exported by TopoDroid), Loch (including DEM and texture), Compass, and VisualTopo files.

A video of most Cave3D functions: vimeo.com/419231435

Cave3D Features

• • File input formats:

    • TopoDroid cave project (tdconfig)

    • Therion (th, thconfig)

    • Loch (lox)

    • Compass (mak, dat)

    • VisualTopo (tro)

    • Walls (srv)

  • Surveys input directly from TopoDroid database

  • Orthographic or perspective projection

  • Pan, zoom, rotate, and tilt

  • Lighting ( DEM )

  • Display of splay shots

    • Splay lines

    • Splay endpoints

  • Display of station

    • Names

    • Points

  • Walls models

    • Pseudo-convexhull

    • Powercrust

  • Plan view projection and profile "curtain" (only for powercrust wall model)

  • Sketch lifting (TopoDroid survey models)

  • Reference frame:

    • Horizontal grid (below or above the survey)

    • 3D axes

  • Measures

    • 3D distance between stations

    • 2D distance on the horizontal plane (plan-view distance)

    • Azimuth and clino angles

    • Cave-distance between stations (with cave-path highlight)

    • Station depth below surface (DEM)

  • Digital elevation model ( DEM )

    • Read from Therion or Loch input

    • Imported DEM from ascii elevation file or Therion grid file (for TopoDroid 3D views)

    • Survey centerline overlay on DEM

  • Surface texture

    • Stored in Loch file

    • Imported from GeoTiff or OSM file (only for TopoDroid 3D views)

  • Centerline coloring

    • White

    • By the survey

    • By the altitude

    • By depth beneath surface

  • Survey info

    • Number of legs/splays

    • Number of stations

    • Survey length and depth

    • Displacements

    • Volume (only with walls model)

  • Direction diagrams

    • 2D rose diagram

    • 3D rose diagram

  • Viewpoints (East, West, North, South, Top)

    • Reset: top view and default status

  • File export formats

    • STL (ascii or binary)

    • KML

    • CGAL (points data)

    • LAS (binary)

    • DXF

    • Shapefile (zip compressed)

    • Gltf

Bug reports and feature requests: marco.corvi@gmail.com