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170 lines
6.5 KiB
Markdown
170 lines
6.5 KiB
Markdown
# Subsurface
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This is the README file for Subsurface 4.9.10
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Please check the `ReleaseNotes.txt` for details about new features and
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changes since Subsurface 4.9.9 (and earlier versions).
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Subsurface can be found at http://subsurface-divelog.org
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Our user forum is at http://subsurface-divelog.org/user-forum/
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Report bugs and issues at https://github.com/Subsurface/subsurface/issues
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License: GPLv2
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We frequently make new test versions of Subsurface available at
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http://subsurface-divelog.org/downloads/test/ and there you can always get
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the latest builds for Mac, Windows, Linux AppImage and Android (with some
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caveats about installability). Additionally, those same versions are
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posted to the Subsurface-daily repos on Launchpad and OBS.
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These tend to contain the latest bug fixes and features, but also
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occasionally the latest bugs and issues. Please understand when using them
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that these are primarily intended for testing.
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You can get the sources to the latest development version from the git
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repository:
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```
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git clone https://github.com/Subsurface/subsurface.git
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```
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You can also fork the repository and browse the sources at the same site,
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simply using https://github.com/Subsurface/subsurface
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If you want the latest release (instead of the bleeding edge
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development version) you can either get this via git or the release tar
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ball. After cloning run the following command:
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```
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git checkout v4.9.10 (or whatever the last release is)
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```
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or download a tarball from http://subsurface-divelog.org/downloads/Subsurface-4.9.10.tgz
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Detailed build instructions can be found in the INSTALL file.
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## System Requirements
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On desktop, the integrated Googlemaps feature of Subsurface requires a GPU
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driver that has support for at least OpenGL 2.1. If your driver does not
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support that, you may have to run Subsurface in software renderer mode.
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Subsurface will automatically attempt to detect this scenario, but in case
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it doesn't you may have to enable the software renderer manually with
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the following:
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1) Learn how to set persistent environment variables on your OS
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2) Set the environment variable 'QT_QUICK_BACKEND' with the value of 'software'
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## Basic Usage
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Install and start from the desktop, or you can run it locally from the
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build directory:
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On Linux:
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```
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$ ./subsurface
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```
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On Mac:
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```
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$ open Subsurface.app
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```
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Native builds on Windows are not really supported (the official Windows
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installers are cross-built on Linux).
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You can give a data file as command line argument, or (once you have
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set this up in the Preferences) Subsurface picks a default file for
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you when started from the desktop or without an argument.
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If you have a dive computer supported by libdivecomputer, you can just
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select "Import from Divecomputer" from the "Import" menu, select which
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dive computer you have (and where it is connected if you need to - note
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that there's a special selection for Bluetooth dive computers), and click
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on "Download".
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The latest list of supported dive computers can be found in the file
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SupportedDivecomputers.txt.
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Much more detailed end user instructions can be found from inside
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Subsurface by selecting Help (typically F1). When building from source
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this is also available as Documentation/user-manual.html. The
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documentation for the latest release is also available on-line
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http://subsurface-divelog.org/documentation/
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## Contributing
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There is a mailing list for developers: subsurface@subsurface-divelog.org
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Go to http://lists.subsurface-divelog.org/cgi-bin/mailman/listinfo/subsurface
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to subscribe.
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If you want to contribute code, please open a pull request with signed-off
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commits at https://github.com/Subsurface/subsurface/pulls
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(alternatively, you can also send your patches as emails to the developer
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mailing list).
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Either way, if you don't sign off your patches, we will not accept them.
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This means adding a line that says "Signed-off-by: Name <email>" at the
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end of each commit, indicating that you wrote the code and have the right
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to pass it on as an open source patch under the GPLv2 license.
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See: http://developercertificate.org/
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Also, please write good git commit messages. A good commit message
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looks like this:
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```
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Header line: explain the commit in one line (use the imperative)
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Body of commit message is a few lines of text, explaining things
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in more detail, possibly giving some background about the issue
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being fixed, etc etc.
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The body of the commit message can be several paragraphs, and
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please do proper word-wrap and keep columns shorter than about
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74 characters or so. That way "git log" will show things
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nicely even when it's indented.
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Make sure you explain your solution and why you're doing what you're
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doing, as opposed to describing what you're doing. Reviewers and your
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future self can read the patch, but might not understand why a
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particular solution was implemented.
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Reported-by: whoever-reported-it
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Signed-off-by: Your Name <you@example.com>
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```
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where that header line really should be meaningful, and really should be
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just one line. That header line is what is shown by tools like gitk and
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shortlog, and should summarize the change in one readable line of text,
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independently of the longer explanation. Please use verbs in the
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imperative in the commit message, as in "Fix bug that...", "Add
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file/feature ...", or "Make Subsurface..."
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## A bit of Subsurface history
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In fall of 2011, when a forced lull in kernel development gave him an
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opportunity to start on a new endeavor, Linus Torvalds decided to tackle
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his frustration with the lack of decent divelog software on Linux.
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Subsurface is the result of the work of him and a team of developers since
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then. It now supports Linux, Windows and MacOS and allows data import from
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a large number of dive computers and several existing divelog programs. It
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provides advanced visualization of the key information provided by a
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modern dive computer and allows the user to track a wide variety of data
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about their diving.
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In fall of 2012 Dirk Hohndel took over as maintainer of Subsurface.
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