Free earth 0.2 software for linux

Earth allows you to find files across a large network of machines and track disk usage in real time. The project consists of a daemon that indexes filesystems in real time and reports all the changes back to a central database.
This can then be queried through a simple, yet powerful, web interface. Think of it like Spotlight or Beagle but operating system independent with a central database for multiple machines.
Earth is initially focused on managing the explosion of data that occurs in digital visual effects work.
Enhancements:
- Many small usability improvements, several significant performance improvements for the Web application, reduced database size, code improvements, and a much improved command line interface to the Earth daemon.

CMap project is a cross map API designed to make coding and switching between online maps such as Google and Yahoo easier and quicker.
Currently, CMap can generate Google Maps, Yahoo Maps, and Google Earth KML files. There are many more advanced plans for CMap, and I intend to support it for a long time as it has a practical application for myself.
Written in Php, CMap is very easy to use and the INSTALL file contains code examples of how to get CMap up and running easily and as soon as possible.
Enhancements:
- This release moves the Google Map API to v2.
- It includes better memory management, especially in Internet Explorer.

Madrigal is a network-controlled real time music visualization program (i.e. VJing software). The project consists of a server that runs on the computer recording the audio, rendering and displaying the visualization, and a GTK2 client (with a hildonized version available for the Nokia 770) that is used to organize visualizations and switch between them.

KBillar project is a 3D billiard game played over multiple surfaces.
KBillar is a billiard game in which everything is user-definable: the table, borders, ball properties, gravity, etc. The user can choose to play billiards on surfaces such as a sphere, a cylinder, or a torus, or in any map which can be expressed as z(x,y). To parse complex mathematical maps, KBillar uses methods from Kalamaris.
KBillar uses a sophisticated 3D interface to make the experience more interesting and also uses a KDE user interface.
To parse complex mathematical maps, KBillar uses methods from Kalamaris.
Main features:
- KBillar allows the user to play billiard on:
- A Sphere
- A Cylinder
- A Torus
- Any z(x,y) function like z(x,y)=0 (the usual, flat table), z(x,y)=cos(y) ( a "wave" table), z(x,y)=Cos(x)*Sin(y), or whatever (see the screenshots for some eye-candy).
- The user can define his own borders for the tables, so that you can play billiard on a square table, a circular table, a star table, etc. You can even play billiard in a maze, and also, its possible to mix different surfaces with each of these (and others) borders. The possibilities are infinite ! The format of the files that define a border is so easy that everyone can add its own borders.
- The state of the balls can be saved to continue a game later or to generate a special case manually and start from a well-known position.
- Theres even no need for all balls to be the same size. You can define the radius of each ball.
- Theres a mode of earth simulation where balls are shown as satellites above earth, and you can play billiard with satellites :-).
- The detail level is configurable for those with less CPU power. Textures can be enabled/disabled, and numerical steps can be adjusted for more/less precise calculations.
- Be a ball yourself ! Theres a mode in which you _are_ the ball and you can rotate around the table. Ever wanted to know how a billiard ball feel ? :-)
- Theres also special effort in making KBillar as real as possible by using phisically correct equations to simulate the movements and hits.

Marble is an early beta preview of the Marble Widget application which is targeted for KDE 4.
You need to install both packages: "marble" and "marble-data" to run Marble.
Marble is a generic geographical map widget that is meant to be used by KDE4 applications. It shows the earth as a sphere but doesnt make use of any hardware acceleration (No OpenGL). So although it might look similar to professional applications like Google Earth or Nasa World Wind its rather meant to be a small light weight multi purpose widget. To improve speed I decided to compile the Kubuntu packages with SSE support (-msse).
Main features:
- Marble uses a minimal free dataset that can be used offline. Currently the total amount of data that is meant to be shipped is about 5 MB.
- Marble doesnt use OpenGL or 3D hardware acceleration. It just uses Arthur as a painting backend. Extending it later on to support OpenGL as well shouldnt be hard however I dont consider that the primary focus. Depending on your hardware and the maps being displayed framerate is approximately 5-20 fps.
- Marble uses vector as well as bitmap data: Currently it uses the very old MWDB II data combined with ETOPO 2, which I will update to current SRTM soon.
- Marble displays the world map as a 3D sphere, because its more fun to use and less subject to distortion (So with regard to that its just like NASA WorldWind, Earth3D and Google Earth)
- Marble should start up almost instantly. Currently it "cold" starts fully within 2-5 seconds. On each subsequent start it takes about one second.
- Uses KML-Import to display places (Google Earths open format to store placemarks)
- Cities Down to 12000 inhabitants that you can click on using the mouse. Highest Mountains of each continent. Automatic Placemark label placement.
- Different Map Themes, Layers
- Dynamic Coordinate Grid
- Measure Tool
- Basic Wikipedia integration

Xyz2lla is a little C program to convert earth-centred earth-fixed (ECEF) cartesien coordinates to latitude, longitude and altitude (LLA in degree).
Exemple:
# xyz2lla 4.593339e6 5.601284e5 4.374982e6
43.586273 6.952529 104.879888
Enhancements:
- The LLA2XYZ program was added.

XEphem project is a scientific-grade interactive astronomical ephemeris package.
Main features:
- computes heliocentric, geocentric and topocentric information for all objects;
- has built-in support for all planets; the moons of Mars, Jupiter, Saturn, Uranus and Earth; central meridian longitude of Mars and Jupiter; Saturns rings; and Jupiters Great Red Spot;
- allows user-defined objects including stars, deepsky objects, asteroids, comets and Earth satellites.
- provides special efficient handling of large catalogs including Tycho, Hipparcos, GSC.
- displays data in configurable tabular formats in conjunction with several interactive graphical views;
- displays a night-at-a-glance 24 hour graphic showing when any selected objects are up;
- displays 3-D stereo Solar System views that are particularly well suited for visualizing comet trajectories;
- quickly finds all close pairs of objects in the sky;
- sorts and prints all catalogs with very flexible criteria for creating custom observing lists;
- creates plots of any pairs of all data fields throughout the program;
- downloads and displays AAVSO light curves directly online;
- downloads current asteroid and comets ephemerides from Lowell Observatory and Minor Planet Center;
- downloads timely Earth satellite orbital TLE parameters;
- plots true binary system orbits;
- downloads Digitized Sky Survey FITS files from STScI or ESO;
- displays seti@home client progress and plots position being processed on Sky View map;
- provides a handy coordinates spreadsheet for converting among equatorial, ecliptic, horizon and galactic frames ;
- displays live SOHO images of the Sun;
- includes a compiler for entering and solving user-written functions using any data fields;
- serves as the control point for GOTO telescopes such as Meade LX200 or other external applications;
- displays FITS files images overlaid with database symbols and other graphical information;
- performs automatic star pattern matching to automatically solve for World Coordinate System on any image;
- performs 1-click 2D Gaussian relative and absolute photometry;
- defines and saves any number of Eyepieces to use in sky maps;
- captures, displays and clips to any number of local horizon profiles;
- stores sets of all Sky View options in history sets for easy playback later;
- prints using high quality Postscript;
- allows you to assign any number of objects as Favorites for special fast access throughout the program, and makes them available even when their original databases are no longer loaded;
- provides an extensible image gallery initialized with over 300 beautiful and informative color images of deep sky objects;
- provides an observing logbook which is automatically filled in with observing circumstances, with searching on most fields;
- displays magnetic deviation for any location.

Xplanet was inspired by Xearth, which renders an image of the earth into the X root window. All of the major planets and most satellites can be drawn, similar to the Solar System Simulator.
A number of different map projections are also supported, including azimuthal, Lambert, Mercator, Mollweide, orthographic, and rectangular.
Enhancements:
- Added the -grs_longitude option, to specify the longitude of Jupiters Great Red Spot, in System II coordinates. This assumes the Jupiter image has the center of the Great Red Spot at pixel 0 (at the left side of the image) in order to draw it at the right position.
- Added the Icosagnomonic projection, contributed by Ian Turner.
- Fixed a bug where output filenames had an extra digit in some cases.
- Added the bump_map and bump_scale options in the configuration file.
- Added the -glare option to set the size of the suns glare.
- An image map may be specified for the sun in the configuration file now. A shade value is now required for the sun (should be 100, otherwise the sun will have a night side!)
- Added the -arc_spacing option to set the default angular distance between great arc points. It used to be 0.1 degree, so arcs smaller than this wouldnt get drawn.
- Fixed a bug where markers were not aligned properly when using align = "above" or "below".
- Added warnings if options are specified in the [default] section of the configuration file that probably shouldnt be there.