Table Of Contents
Latest update [menu]
Simplified the interface of the coordinates conversion for TopoDroid
Description [menu]
Simple coordinate converter based on the Proj4 library http://http://trac.osgeo.org/proj
The basic feature is the coversion of coordinates between two Coordinate Reference Systems. It includes the computation of the current megnetic declination based on WMM data.
The coordinates can be imported from MobileTopographer point lists.
The point can be visualized on maps/earth.
Java wrapper for proj4 by Martin Deruisseaux (2011) http://www.geoapi.org/geoapi-proj4/index.html
The app includes a limited number of Coordinate Reference Systems.
Custom Coordinate Reference Systems, in proj 4 sytax, can be added to the app.
See https://sites.google.com/site/speleoapps/home/proj4
Details and contacts: https://sites.google.com/site/speleoapps/home
How to install Proj4 APK for Android [menu]
Download Proj4 APK file (com.topodroid.proj4_10123_2091373.apk) from SameAPK.com, then follow these steps:
Update Phone Settings
- Go to your phone Settings page
- Tap Security or Applications (varies with device)
- Check the Unknown Sources box
- Confirm with OK
Go to Downloads
- Open Downloads on your device by going to My Files or Files
- Tap the APK file you downloaded (com.topodroid.proj4_10123_2091373.apk)
- Tap Install when prompted, the APK file you downloaded will be installed on your device.
How to install Proj4 APK on Windows 7/8/10 or MAC PC? [menu]
Download Proj4 APK file(com.topodroid.proj4_10123_2091373.apk) from SameAPK.com to your PC (ex: /Users/xxx/Downloads/(com.topodroid.proj4_10123_2091373.apk)), then follow these steps:
Using Emulator:
- Download And Install one Emulator Softwares (Ex: Bluestacks, GenyMotion, NoxPlayer)
- Simple install APK on PC by drag and drop file com.topodroid.proj4_10123_2091373.apk on Emulator screen
Proj4 APK Pros & Cons [menu]
Pros
- This app is safe, it's not require high risk permissions
- Compatible with 64-bit device (some android device and current Bluestacks)
Cons
- No best performance On PC (Windows, MAC) (because it's not exists X86 variant)
