TopoDroid-v6

TopoDroid version 6

Version 6 is available on marcocorvi.altervista.org/caving/speleoapps/speleoapks/TopoDroidApks.html

It has a new package name and can be installed together with v.5 

TopoDroid requires FILE ACCESS permission to be granted.

Because of Google requirement for scoped storage TopoDroid new apks will never be available on Google Play. 

**** MAJOR CHANGES and NEW FEATURES

3D viewer (Cave3D) included in TopoDroid

Surveys files in "Documents/TDX" folder. App  "files" in the private folder.

ZIP archive includes only survey files

Loop closure station sequence

Proj4 coord input with geoid altitude

Sketch PDF export

Import files chosen with system app - suggetsted filename

Path denivelation in 3D measure tool

VTopo trox file support (import/export)

Dataset copy/cut and paste

**** MINOR CHANGES and FEATURES

DXF optional XY axes

SHP export with shape for special points.

SHP data export: saved points, and fixed points.

Loop closure compensation with weights

**** USER INTERFACE

Kept only languages with very few missing translation (cn, hu, it, and ru).

App icon

Segment/dot splay button

Corner-drag instead of side-drag

Uniformed symbol names

UI icons with borders

Dropped triple tool-bar and grid item-pickers

**** CODE CHANGES

Signed with apksigner (for Android-11)

Alert if the app cannot access "TDX/TopoDroid"

Data reduction loop identification

Commented out "autowalls"

Dropped import direct File support.

Auto-export of sketches, in the private  app folder.

Camera2 Android API

**** FIXES

PocketTopo import

DXF XSection inclusion

Geo exports: splay declination

cSurvey data export: session attribute

3D export dialog

Survey renaming

BRIC4 data-index handling

3D DEM parser

Sketch graph-paper.

Other UI fixes