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Games::Alak 0.18
Games::Alak is a simple game-tree implementation of a gomoku-like game. more>>
Games::Alak is a simple game-tree implementation of a gomoku-like game.
SYNOPSIS
% perl -MGames::Alak -e Games::Alak::play
...Or just run Alak.pm as if it were a program...
...Program responds with output, and a prompt:
Lookahead set to 3. I am X, you are O.
Enter h for help
X moves from 1 to 5, yielding .xxxx..oooo
alak>
...and now you enter the commands to play.
This module implements a simple game-tree system for the computer to play against the user in a game of Alak. You can just play the game for fun; or you can use this module as a starting point for understanding game trees (and implementing smarter strategy -- the modules current logic is fairly simple-minded), particularly after reading my Perl Journal #18 article on trees, which discusses this modules implementation of game trees as an example of general tree-shaped data structures.
<<lessSYNOPSIS
% perl -MGames::Alak -e Games::Alak::play
...Or just run Alak.pm as if it were a program...
...Program responds with output, and a prompt:
Lookahead set to 3. I am X, you are O.
Enter h for help
X moves from 1 to 5, yielding .xxxx..oooo
alak>
...and now you enter the commands to play.
This module implements a simple game-tree system for the computer to play against the user in a game of Alak. You can just play the game for fun; or you can use this module as a starting point for understanding game trees (and implementing smarter strategy -- the modules current logic is fairly simple-minded), particularly after reading my Perl Journal #18 article on trees, which discusses this modules implementation of game trees as an example of general tree-shaped data structures.
Download (0.009MB)
Added: 2007-01-02 License: Perl Artistic License Price:
1027 downloads
Download (0.02MB)
Added: 2005-04-22 License: GPL (GNU General Public License) Price:
1650 downloads
Roadnav 0.18
Roadnav is an in-car navigation system capable of running on a variety of operating systems. more>>
Roadnav is an in-car navigation system that can run on a variety of operating systems like Linux, Windows, and Mac OS X.
Roadnav can obtain a cars present location from a GPS unit, plot street maps of the area, and provide verbal turn by turn directions to any location in the USA.
Roadnav uses the free TIGER/Line files from the US Census Bureau to build the maps, along with the GNIS state and topical gazetteer data from the USGS to identify locations.
Main features:
- Generates street level maps for the US
- Interfaces with GPS units to display your position in real time
- Verbal turn by turn directions to any place in the US. Automatically recomputes directions if you miss a turn.
- On screen keyboard
- 3D (drivers perspective) view mode
- Daytime and nighttime color schemes
- Automatic day/night mode switching
- Plots nearby landmarks and points of interest
- Can operate offline (without an Internet connection)
- Antialiased output
- Supports multiple operating systems including Windows, Linux, and Mac OS X
- Uses freely available data from the US Census Bureau and the USGS
- Appearance can be customized with skins
- Can output status information to LCD devices through LCDproc
Enhancements:
Enhancements:
- Adds option to Preferences to enable gpsd buffering (reduces jitter).
- Adds experimental GPX import support.
- Disk usage reduced by ~30%.
- Adds GPS serial initialization string option to Preferences.
- Adds preference to override default map directory.
- Adds option for username/password proxy authentication.
- Adds "Use System Proxy Settings" preference, which reads proxy settings from the HTTP_PROXY environmental variable.
Bug Fixes:
- Fixes Delete button in Waypoints dialog when no waypoints exist.
- Workaround for buggy serial implementations.
- Fixes Windows 2000 compatibility.
- Fixes i18n issue in OSM code.
- Improved address look up.
- Eliminates IPP error messages when printer is not configured.
- Improved compatibility with DeLorme Tripmate and Earthmate GPS units.
- Win32 floating point model changed from fast to precise. Should resolve problems calculating routes.
- Fixes focusing issue in keyboard dialog.
Developer Visible Changes:
- MapControlData_Tiles index files eliminated.
- Direct access to Point::m_fLong and Point::m_fLat eliminated. Use the Point::Set* and Point::Get* functions instead.
Misc:
- Compiled maps now organized in a more human readable format.
- Eliminates TIGER/Line 2006 First Edition from search path.
- Proxy settings now on their own preferences page.
- When maps have to be upgraded, adds option to not upgrade map files and immediately terminate Roadnav instead.
- Small map labels now have a solid background instead of a cross hatch.
<<lessRoadnav can obtain a cars present location from a GPS unit, plot street maps of the area, and provide verbal turn by turn directions to any location in the USA.
Roadnav uses the free TIGER/Line files from the US Census Bureau to build the maps, along with the GNIS state and topical gazetteer data from the USGS to identify locations.
Main features:
- Generates street level maps for the US
- Interfaces with GPS units to display your position in real time
- Verbal turn by turn directions to any place in the US. Automatically recomputes directions if you miss a turn.
- On screen keyboard
- 3D (drivers perspective) view mode
- Daytime and nighttime color schemes
- Automatic day/night mode switching
- Plots nearby landmarks and points of interest
- Can operate offline (without an Internet connection)
- Antialiased output
- Supports multiple operating systems including Windows, Linux, and Mac OS X
- Uses freely available data from the US Census Bureau and the USGS
- Appearance can be customized with skins
- Can output status information to LCD devices through LCDproc
Enhancements:
Enhancements:
- Adds option to Preferences to enable gpsd buffering (reduces jitter).
- Adds experimental GPX import support.
- Disk usage reduced by ~30%.
- Adds GPS serial initialization string option to Preferences.
- Adds preference to override default map directory.
- Adds option for username/password proxy authentication.
- Adds "Use System Proxy Settings" preference, which reads proxy settings from the HTTP_PROXY environmental variable.
Bug Fixes:
- Fixes Delete button in Waypoints dialog when no waypoints exist.
- Workaround for buggy serial implementations.
- Fixes Windows 2000 compatibility.
- Fixes i18n issue in OSM code.
- Improved address look up.
- Eliminates IPP error messages when printer is not configured.
- Improved compatibility with DeLorme Tripmate and Earthmate GPS units.
- Win32 floating point model changed from fast to precise. Should resolve problems calculating routes.
- Fixes focusing issue in keyboard dialog.
Developer Visible Changes:
- MapControlData_Tiles index files eliminated.
- Direct access to Point::m_fLong and Point::m_fLat eliminated. Use the Point::Set* and Point::Get* functions instead.
Misc:
- Compiled maps now organized in a more human readable format.
- Eliminates TIGER/Line 2006 First Edition from search path.
- Proxy settings now on their own preferences page.
- When maps have to be upgraded, adds option to not upgrade map files and immediately terminate Roadnav instead.
- Small map labels now have a solid background instead of a cross hatch.
Download (2.5MB)
Added: 2007-06-30 License: GPL (GNU General Public License) Price:
851 downloads
Camorama 0.18
Camorama is a webcam application featuring various image filters. more>>
Camorama is a webcam application featuring various image filters.
Camorama allows you to view video from your webcam and apply various image filters to it. Camorama project can also upload images via ftp.
Camorama is a program i wrote to learn gtk and v4l. As you can see, i am still learning. It is pretty simple at the moment, and i hope to make it much more complete. I also plan to make it more generic, as i initially wrote it with only my own creative webcam 3 in mind.
Hopefully it will work with other cameras. i will test on anything i can get my hands on, but that might take a while. Right now you can change the video settings using the gui and apply some crappy filters i wrote to mess around with.
It runs at a reasonable speed, but i would like to get the fps up as high as possible. Still figuring that out. As for requirements, you will need at least gnome 2 and v4l. I havent used anything else crazy, and that should do it.
Enhancements:
- Lots of bug fixes.
<<lessCamorama allows you to view video from your webcam and apply various image filters to it. Camorama project can also upload images via ftp.
Camorama is a program i wrote to learn gtk and v4l. As you can see, i am still learning. It is pretty simple at the moment, and i hope to make it much more complete. I also plan to make it more generic, as i initially wrote it with only my own creative webcam 3 in mind.
Hopefully it will work with other cameras. i will test on anything i can get my hands on, but that might take a while. Right now you can change the video settings using the gui and apply some crappy filters i wrote to mess around with.
It runs at a reasonable speed, but i would like to get the fps up as high as possible. Still figuring that out. As for requirements, you will need at least gnome 2 and v4l. I havent used anything else crazy, and that should do it.
Enhancements:
- Lots of bug fixes.
Download (0.30MB)
Added: 2006-09-28 License: GPL (GNU General Public License) Price:
1141 downloads
Moagg 0.18
Moagg combines several game types of other genres like races, search & rescue, seek & destroy et cetera into a 2D gravity game. more>>
Moagg combines several game types of other genres like races, search & rescue, seek & destroy et cetera into a 2D gravity game.
You are pilot of a small space ship and have to navigate that ship through different levels. But beside the gravity that drags you down there are other obstacles like laser ports, magnets, black holes, cannons, rockets and grinders you have to master.
Main features:
- Fully playable singleplayer game
- Missions on different difficulty levels
- Mission-dependend highscores
- Lots of static and dynamic obstacles
- Full controls configuration
- Basic sound support
- Basic player configuration
- Basic ship configuration
- Qt based level editor
Enhancements:
- Magnets now can be activated, deactivated and toggled via a switch or via the appropriate events, like laser barriers. The tutorial level switches.xml was adapted to demonstrate this. (btrummer, 2005-04-17)
- Fuel platforms now can define a fuel_cost property, which means that refueling the ship is not free anymore. (btrummer, 2005-04-16)
- SAM batteries now can be destroyed by projectiles too (like turrets). (btrummer, 2005-03-12)
- Now every decoration object supports the hide-property and can be shown via the show-event during game flow. (btrummer, 2005-03-12)
- Added three new levels to mission1. (btrummer, 2005-03-01, thanks to Will Poulsen)
- Fixed a bug, where the initial position of a turret projectile was calculated wrong, thus causing immediate collisions with the turret. (btrummer, 2005-02-08, thanks to Stefan Hamacher for reporting)
<<lessYou are pilot of a small space ship and have to navigate that ship through different levels. But beside the gravity that drags you down there are other obstacles like laser ports, magnets, black holes, cannons, rockets and grinders you have to master.
Main features:
- Fully playable singleplayer game
- Missions on different difficulty levels
- Mission-dependend highscores
- Lots of static and dynamic obstacles
- Full controls configuration
- Basic sound support
- Basic player configuration
- Basic ship configuration
- Qt based level editor
Enhancements:
- Magnets now can be activated, deactivated and toggled via a switch or via the appropriate events, like laser barriers. The tutorial level switches.xml was adapted to demonstrate this. (btrummer, 2005-04-17)
- Fuel platforms now can define a fuel_cost property, which means that refueling the ship is not free anymore. (btrummer, 2005-04-16)
- SAM batteries now can be destroyed by projectiles too (like turrets). (btrummer, 2005-03-12)
- Now every decoration object supports the hide-property and can be shown via the show-event during game flow. (btrummer, 2005-03-12)
- Added three new levels to mission1. (btrummer, 2005-03-01, thanks to Will Poulsen)
- Fixed a bug, where the initial position of a turret projectile was calculated wrong, thus causing immediate collisions with the turret. (btrummer, 2005-02-08, thanks to Stefan Hamacher for reporting)
Download (0.40MB)
Added: 2005-09-08 License: GPL (GNU General Public License) Price:
1508 downloads
Bazaar-GTK 0.18.0
Bazaar-GTK is a GTK+ frontend for the Bazaar version control system. more>>
Bazaar-GTK is a GTK+ frontend for the Bazaar version control system.
The project provides Nautilus integration and a stand-alone application for browsing Bazaar branches.
Provided Commands
- gcommit
- gdiff
- visualise
- gannotate
- gbranch
Provided classes
- GAnnotateWindow
- GCommitDialog
- CloneDialog
- DiffWindow
- BranchWindow (Visualisation)
<<lessThe project provides Nautilus integration and a stand-alone application for browsing Bazaar branches.
Provided Commands
- gcommit
- gdiff
- visualise
- gannotate
- gbranch
Provided classes
- GAnnotateWindow
- GCommitDialog
- CloneDialog
- DiffWindow
- BranchWindow (Visualisation)
Download (0.10MB)
Added: 2007-07-23 License: GPL (GNU General Public License) Price:
824 downloads
Download (1.3MB)
Added: 2007-04-26 License: GPL (GNU General Public License) Price:
915 downloads
xmms-jack 0.18
xmms-jack is an XMMS audio output plugin for the jack audio server. more>>
xmms-jack is an XMMS audio output plugin for the jack audio server.
<<less Download (0.50MB)
Added: 2007-06-10 License: GPL (GNU General Public License) Price:
866 downloads
SANE 1.0.18
SANE is a tool to access to raster image scanner hardware. more>>
SANE comes from "Scanner Access Now Easy" and is an application programming interface (API) that provides standardized access to any raster image scanner hardware (flatbed scanner, handheld scanner, video and still cameras, framegrabbers, etc.).
The SANE standard is public domain and its discussion and development are open to everybody. The source code is written for UNIX (including Linux) and is available under the GPL, but commercial applications and backends are welcome.
The package contains the libraries, net support, and scanimage. The X frontends xscanimage and xcam can be found in sane-frontends.
<<lessThe SANE standard is public domain and its discussion and development are open to everybody. The source code is written for UNIX (including Linux) and is available under the GPL, but commercial applications and backends are welcome.
The package contains the libraries, net support, and scanimage. The X frontends xscanimage and xcam can be found in sane-frontends.
Download (3.15MB)
Added: 2006-07-03 License: GPL (GNU General Public License) Price:
1214 downloads
XAMS 0.0.18
The eXtended Account Management System (XAMS) allows Administration of Unix, Web, FTP, DNS, and email accounts to manage a provider... more>> <<less
Download (379KB)
Added: 2009-04-04 License: Freeware Price: Free
202 downloads
XSwallow 1.0.18
XSwallow is a generic plugin for netscape 3 and netscape 4. more>>
XSwallow is a generic plugin for netscape 3 and netscape 4 that allows any X program or command line utility to handle embedded mimetypes in webpages, e.g vrml/mpeg/wav etc.
So a mime type like vrml for which there does not exist, as of the moment, a plugin for linux netscape can be viewed inline to netscape using any ordinary vrml viewers such as vrweb/liquid reality. It also has all the abilities of mimeplugin (ftp://sunsite.unc.edu/pub/Linux/apps/www/plugins/) by Carl Shimer (harshaw@WPI.EDU) & Michael J Long (mjlong@mindspring.com) on which XSwallow is based and can be therefore be used to handle mimetypes that are handled by programs with no graphical interface, audio formats for example.
For installation follow these steps:
put xswallow.conf in ~/.netscape put xswallow.so in ~/.netscape/plugins get vrweb and liquid reality and install put dispatch-vrml-c in your path and edit it for your site it is based on (and is a graphical version of)
<<lessSo a mime type like vrml for which there does not exist, as of the moment, a plugin for linux netscape can be viewed inline to netscape using any ordinary vrml viewers such as vrweb/liquid reality. It also has all the abilities of mimeplugin (ftp://sunsite.unc.edu/pub/Linux/apps/www/plugins/) by Carl Shimer (harshaw@WPI.EDU) & Michael J Long (mjlong@mindspring.com) on which XSwallow is based and can be therefore be used to handle mimetypes that are handled by programs with no graphical interface, audio formats for example.
For installation follow these steps:
put xswallow.conf in ~/.netscape put xswallow.so in ~/.netscape/plugins get vrweb and liquid reality and install put dispatch-vrml-c in your path and edit it for your site it is based on (and is a graphical version of)
Download (0.049MB)
Added: 2006-06-22 License: GPL (GNU General Public License) Price:
1220 downloads
uml2svg 0.18
uml2svg is an XSLT-based tool for converting XMI-compliant UML Diagrams into SVG. more>>
uml2svg is an XSLT-based tool for converting XMI-compliant UML Diagrams into SVG.
We started the developing uml2svg with six main goals in mind:
- Standard conformance
- Good Documentation
- Modularity
- Extensibility
- Comprehensible SVG
- Multiple diagrams per XMI-file
SVG is a standard language for describing two-dimensional vector graphics in XML. As the open SVG standard gains in popularity and gradually replaces proprietary formats for vectorial graphics, the support provided by the Web browsers is getting better.
Plugins to display SVG exist for most browsers and it is most likely that the next generation of Web browser will provide built-in support for SVG. When that happens there will be no better way to distribute vector graphics on the web. Furthermore, not only web browsers can process SVG in a meaningful way; in fact that is just the tip of the iceberg. SVG can be easily read in, processed, and then transformed into many other formats, being well suited for both text and graphic tools as well as for web agents and screen readers.
UML diagrams are composed of lines, polygons, ellipses and text labels, so they are inherently vectorial. However, the SVG is not very well suited for direct use by UML tools. While some of them can in fact export UML diagrams directly to SVG, they do that by discarding all the information about structure, and converting everything into a shape. Moreover, some tools use the screen-capture function provided by their environment (such as java2d) and then they apply a filter to generate SVG out of the "screenshot".
What comes out of that is a pile of meaningless information, which by accident happens to draw a gorgeous diagram. How will a screen reader interpret such a file? How will a web crawler be able to index it? How will a web agent process it in a meaningful way? A program needs the semantic information that the humans can extract just by looking at a picture. For a machine, an obfuscated SVG file is not easier to process than a PNG file or any other image.
Although for humans it is better to be able to scale the image, for a program this is irrelevant. Programs need a way to "understand" the semantics of the UML models to be able to process and interchange them in a meaningfull way. This was the main idea behind the XML Metadata Interchange (XMI), an OMG specification for model interchange. And probably the best use that XMI has found so far is the exchange of UML models between different modeling tools. And while the XMI provides a standard way for tools to represent models as XML documents, it is still limited to the model elements only.
With the introduction of the UML 2.0 Diagram Interchange Specification as part of the upcoming UML 2.0 standard, it will become possible for tools to exchange the models together with the layout of the diagrams. We think that, once this specification appears, XMI will be used averywhere. Not only will the tools be able to exchange diagrams, but could even represent them internaly as DOM trees. Have you ever considered drawing your UML diagrams online, using only a web browser? This could be done even now by using a custom SVG syntax for the DOM tree, but a solution based on XMI could do even better and be a standard at the same time.
Therefore, we believe that with the advent of UML 2.0 and the increase in the use of SVG, the need for transformations between XMI and SVG will be great. Nevertheless when the uml2svg project was started, there was hardly any good open-source solution to convert XMI diagams into SVG.
The UML 2.0 Diagram Interchange Adopted Specification in its current incipient form references a set of XSL transformations. Although the standard draft covers them to a large extent, the link is actually broken (you can try for yourself). It has been broken for more than a year and most likely it will stay like that forever.
The personal webpage of Professor Mario Jeckle provides an online transformation service capable of dynamically generating SVG from XMI-compliant XML files. The XSL files accomplishing the transformations are also available on that website. These transformations are monolithic and not well documented (the only documentation is in the code, and it is generally written in German). With the tragic accident that took the life of Professor Jeckle, the transformations have no longer been maintained.
Finally, the STZ-IDA research center in Karlsruhe had to convert UML diagrams to SVG, as part of one of their projects. The XSLT stylesheet they created for this purpose was named xmi2svg and is available under the terms of the MIT license. At the time we started work on uml2svg the only type of diagrams supported was class diagrams.
Recently the package reached version 0.2 and it supports more diagram types, without major changes in the code (the opposite of what we were expecting). Andreas Junghans, the author of xmi2svg, provided us with a lot of insightful hints which helped us eliminate many glitches in uml2svg. It looks that the development of uml2svg and xmi2svg will continue in parallel, at least for a while. The good thing about this is that the two (quite different) implementations prove each others validity and the features tend to propagate freely from one side to the other. However, this comes with the prize of having to maintain two different code-trees and possibly confusing some users.
We did not like the two existing solutions because they were:
incomplete - just prototypes, not well suited for production environment
monolithic - hard to maintain and extend
not documented - hard to understand
At first sight, we thought we could find a way to improve one of the existing solutions and just add the features we needed. However, we slowly came to the conclusion that it would be better if we started anew. There are things one can fix in a project, but that does not include what we thought is was bad design. The fact that the two implementations presented above are open source helped us get quickly on the way with our own project.
Enhancements:
- Two annoying bugs were fixed.
- The site and documentation were updated.
<<lessWe started the developing uml2svg with six main goals in mind:
- Standard conformance
- Good Documentation
- Modularity
- Extensibility
- Comprehensible SVG
- Multiple diagrams per XMI-file
SVG is a standard language for describing two-dimensional vector graphics in XML. As the open SVG standard gains in popularity and gradually replaces proprietary formats for vectorial graphics, the support provided by the Web browsers is getting better.
Plugins to display SVG exist for most browsers and it is most likely that the next generation of Web browser will provide built-in support for SVG. When that happens there will be no better way to distribute vector graphics on the web. Furthermore, not only web browsers can process SVG in a meaningful way; in fact that is just the tip of the iceberg. SVG can be easily read in, processed, and then transformed into many other formats, being well suited for both text and graphic tools as well as for web agents and screen readers.
UML diagrams are composed of lines, polygons, ellipses and text labels, so they are inherently vectorial. However, the SVG is not very well suited for direct use by UML tools. While some of them can in fact export UML diagrams directly to SVG, they do that by discarding all the information about structure, and converting everything into a shape. Moreover, some tools use the screen-capture function provided by their environment (such as java2d) and then they apply a filter to generate SVG out of the "screenshot".
What comes out of that is a pile of meaningless information, which by accident happens to draw a gorgeous diagram. How will a screen reader interpret such a file? How will a web crawler be able to index it? How will a web agent process it in a meaningful way? A program needs the semantic information that the humans can extract just by looking at a picture. For a machine, an obfuscated SVG file is not easier to process than a PNG file or any other image.
Although for humans it is better to be able to scale the image, for a program this is irrelevant. Programs need a way to "understand" the semantics of the UML models to be able to process and interchange them in a meaningfull way. This was the main idea behind the XML Metadata Interchange (XMI), an OMG specification for model interchange. And probably the best use that XMI has found so far is the exchange of UML models between different modeling tools. And while the XMI provides a standard way for tools to represent models as XML documents, it is still limited to the model elements only.
With the introduction of the UML 2.0 Diagram Interchange Specification as part of the upcoming UML 2.0 standard, it will become possible for tools to exchange the models together with the layout of the diagrams. We think that, once this specification appears, XMI will be used averywhere. Not only will the tools be able to exchange diagrams, but could even represent them internaly as DOM trees. Have you ever considered drawing your UML diagrams online, using only a web browser? This could be done even now by using a custom SVG syntax for the DOM tree, but a solution based on XMI could do even better and be a standard at the same time.
Therefore, we believe that with the advent of UML 2.0 and the increase in the use of SVG, the need for transformations between XMI and SVG will be great. Nevertheless when the uml2svg project was started, there was hardly any good open-source solution to convert XMI diagams into SVG.
The UML 2.0 Diagram Interchange Adopted Specification in its current incipient form references a set of XSL transformations. Although the standard draft covers them to a large extent, the link is actually broken (you can try for yourself). It has been broken for more than a year and most likely it will stay like that forever.
The personal webpage of Professor Mario Jeckle provides an online transformation service capable of dynamically generating SVG from XMI-compliant XML files. The XSL files accomplishing the transformations are also available on that website. These transformations are monolithic and not well documented (the only documentation is in the code, and it is generally written in German). With the tragic accident that took the life of Professor Jeckle, the transformations have no longer been maintained.
Finally, the STZ-IDA research center in Karlsruhe had to convert UML diagrams to SVG, as part of one of their projects. The XSLT stylesheet they created for this purpose was named xmi2svg and is available under the terms of the MIT license. At the time we started work on uml2svg the only type of diagrams supported was class diagrams.
Recently the package reached version 0.2 and it supports more diagram types, without major changes in the code (the opposite of what we were expecting). Andreas Junghans, the author of xmi2svg, provided us with a lot of insightful hints which helped us eliminate many glitches in uml2svg. It looks that the development of uml2svg and xmi2svg will continue in parallel, at least for a while. The good thing about this is that the two (quite different) implementations prove each others validity and the features tend to propagate freely from one side to the other. However, this comes with the prize of having to maintain two different code-trees and possibly confusing some users.
We did not like the two existing solutions because they were:
incomplete - just prototypes, not well suited for production environment
monolithic - hard to maintain and extend
not documented - hard to understand
At first sight, we thought we could find a way to improve one of the existing solutions and just add the features we needed. However, we slowly came to the conclusion that it would be better if we started anew. There are things one can fix in a project, but that does not include what we thought is was bad design. The fact that the two implementations presented above are open source helped us get quickly on the way with our own project.
Enhancements:
- Two annoying bugs were fixed.
- The site and documentation were updated.
Download (MB)
Added: 2007-02-18 License: LGPL (GNU Lesser General Public License) Price:
981 downloads
Radar Tools 0.18
Radar Tools is an advanced SAR remote sensing image processing software. more>>
Radar Tools in short RAT is a small collection of tools for processing SAR (synthetic aperture radar) remote sensing data, packed together in a nice graphical user interface.
Our motivation to start the development of RAT is that modern remote sensing software like Erdas Image or ENVI include only some basic SAR functionality. Advanced algorithms have to be implemented by oneself.
So we descided to start the development of RAT. RAT should bring modern SAR algorithms to a wider user-base by simplifying in particular the data handling and processing of complex SAR data.
RAT is planned as an ongoing community effort, i.e. there will be no final version with a certain functionality. It is our idea to include more and more SAR tools in future and to make them freely available to the scientific community.
We of course also hope for external contributions. Because of this, the programming interface of RAT is kept quite simple and adding own functions is quite easy. Function templates are included in the distribution and a step-by-step description of how to program a RAT module will appear soon in the documentation.
Main features:
General features
- Cross-platform (Unix, Windows, Linux & Mac OSX)
- Free software, no commercial software license needed (when using the IDL-VM version)
- Availability of the complete source code
- Modular design, easy to extend by own functions
- Small memory footprint even when processing large images (vertical tiling)
- No limitation on the image size
- Keep track of data representation changes during image processing
- Optimised preview on screen while calculations are done in full resolution
- Native import routines for E-SAR (DLR) and ENVISAT-IMS (ESA) data
- Export possibility to generic graphic formats (png, jpg & tiff)
- Undo function for the last processing step
Generic image manipulation
- Resize, presumming & cut region
- Zooming of an area of interest
- Mirror vertical and horizontal
- Binary transforms
Single channel SAR
- SAR speckle filtering (Boxcar, Median, Gauss, Kuan, Frost, MAP Lee, refined Lee, Lee-Sigma)
- Edge detection (RoA, MSP-RoA, Sobel, Roberts)
- Co-occurance texture features, variation coefficient
- Point and distributed target analysis
- Generic slant-to-ground range projection
SAR polarimetry
- Polarimetric point target analysis
- Polarimetric speckle filtering (Boxcar, Lee, refined Lee)
- Polarimetric CFSAR edge detection
- Calculation of interchannel ratios, correlation & phase differences
- Formation of covariance and coherency matrix, span calculation
- Polarimetric basis transforms (linear -> circular ....)
- Decompositions (Pauli, Freman-Durdan, Moriyama, Entropy/Alpha, Eigenvalue, Sphere-Diplane-Helix....)
- Polarimetric classification (Entropy/Alpha/Anisotropy, Wishart, No. of scatterers, physical, Lee category preserving...)
- Polarimetric calibration: imbalance, symmetrisation & crosstalk (Quegan method)
SAR interferometry
- Image pair coregistration (coarse, subpixel & spatially varying)
- Interferogram formation
- Flat-earth removal
- Phase-unwrapping (least-squares only)
- Phase noise filter (Boxcar, Goldstein & GLSME)
- Coherence estimation (Boxcar, Gauss, Region Growing)
- Shaded relief calculation
Polarimetric SAR interferometry
- Formation of POLINSAR covariance and coherency matrices
- Coherence estimation & optimisation
- Extraction of optimised ESPRIT phases
- POLINSAR speckle filtering (Boxcar, Gauss & Lee)
- Coherence analysis in the complex unitary plane
<<lessOur motivation to start the development of RAT is that modern remote sensing software like Erdas Image or ENVI include only some basic SAR functionality. Advanced algorithms have to be implemented by oneself.
So we descided to start the development of RAT. RAT should bring modern SAR algorithms to a wider user-base by simplifying in particular the data handling and processing of complex SAR data.
RAT is planned as an ongoing community effort, i.e. there will be no final version with a certain functionality. It is our idea to include more and more SAR tools in future and to make them freely available to the scientific community.
We of course also hope for external contributions. Because of this, the programming interface of RAT is kept quite simple and adding own functions is quite easy. Function templates are included in the distribution and a step-by-step description of how to program a RAT module will appear soon in the documentation.
Main features:
General features
- Cross-platform (Unix, Windows, Linux & Mac OSX)
- Free software, no commercial software license needed (when using the IDL-VM version)
- Availability of the complete source code
- Modular design, easy to extend by own functions
- Small memory footprint even when processing large images (vertical tiling)
- No limitation on the image size
- Keep track of data representation changes during image processing
- Optimised preview on screen while calculations are done in full resolution
- Native import routines for E-SAR (DLR) and ENVISAT-IMS (ESA) data
- Export possibility to generic graphic formats (png, jpg & tiff)
- Undo function for the last processing step
Generic image manipulation
- Resize, presumming & cut region
- Zooming of an area of interest
- Mirror vertical and horizontal
- Binary transforms
Single channel SAR
- SAR speckle filtering (Boxcar, Median, Gauss, Kuan, Frost, MAP Lee, refined Lee, Lee-Sigma)
- Edge detection (RoA, MSP-RoA, Sobel, Roberts)
- Co-occurance texture features, variation coefficient
- Point and distributed target analysis
- Generic slant-to-ground range projection
SAR polarimetry
- Polarimetric point target analysis
- Polarimetric speckle filtering (Boxcar, Lee, refined Lee)
- Polarimetric CFSAR edge detection
- Calculation of interchannel ratios, correlation & phase differences
- Formation of covariance and coherency matrix, span calculation
- Polarimetric basis transforms (linear -> circular ....)
- Decompositions (Pauli, Freman-Durdan, Moriyama, Entropy/Alpha, Eigenvalue, Sphere-Diplane-Helix....)
- Polarimetric classification (Entropy/Alpha/Anisotropy, Wishart, No. of scatterers, physical, Lee category preserving...)
- Polarimetric calibration: imbalance, symmetrisation & crosstalk (Quegan method)
SAR interferometry
- Image pair coregistration (coarse, subpixel & spatially varying)
- Interferogram formation
- Flat-earth removal
- Phase-unwrapping (least-squares only)
- Phase noise filter (Boxcar, Goldstein & GLSME)
- Coherence estimation (Boxcar, Gauss, Region Growing)
- Shaded relief calculation
Polarimetric SAR interferometry
- Formation of POLINSAR covariance and coherency matrices
- Coherence estimation & optimisation
- Extraction of optimised ESPRIT phases
- POLINSAR speckle filtering (Boxcar, Gauss & Lee)
- Coherence analysis in the complex unitary plane
Download (2.5MB)
Added: 2007-04-02 License: Freeware Price:
952 downloads
Shadow 4.0.18
The Shadow password file utilities package. more>>
Shadow password file utilities package includes the programs necessary to convert traditional V7 UNIX password files to the SVR4 shadow password format, and additional tools to maintain password and group files (that work with both shadow and non-shadow passwords).
Enhancements:
- A problem where su set the enviroment too early when using PAM was fixed.
- A UID/GID overflow in groupadd, groupmod, useradd, and anusermod was fixed along with overflows in inactive, mindays, warndays, and maxdays in passwd, useradd, and usermod. groupmems was rewritten to use PAM and getopt_long().
- usermod was reverted back to previous -a option semantics.
- chsh and groupmod were rewritten to use getopt_long().
- Translations and man pages were updated.
<<lessEnhancements:
- A problem where su set the enviroment too early when using PAM was fixed.
- A UID/GID overflow in groupadd, groupmod, useradd, and anusermod was fixed along with overflows in inactive, mindays, warndays, and maxdays in passwd, useradd, and usermod. groupmems was rewritten to use PAM and getopt_long().
- usermod was reverted back to previous -a option semantics.
- chsh and groupmod were rewritten to use getopt_long().
- Translations and man pages were updated.
Download (1.6MB)
Added: 2006-08-03 License: GPL (GNU General Public License) Price:
1242 downloads
plptools 0.18
plptools is a set of libraries and utilities for enabling Unix (mainly Linux) systems to communicate with a Psion palmtop. more>>
plptools is a set of libraries and utilities for enabling Unix (mainly Linux) systems to communicate with a Psion palmtop over a serial line. On Linux, a connection over IrDA using the IrCOMM feature is also possible.
The following (console-based) tools are part of the package: plpbackup, a command-line backup program. plpftp, a FTP-like frontend with some extensions. sisinstall, a SIS package installer. plpnfsd, a daemon providing the Psions file services via an NFS-mounted directory. and plpprintd, a print server for printing via a PC.
plptools libraries also includes the KDE 2/3 program kio_plp, a KIOslave which adds a new protocol "psion:/" to the list of known protocols of KDEs generic I/O library. This enables all KDE applications to deal with files on a Psion. There is a plugin for konquerors Properties dialog, a graphical frontend "KPsion" (similar to PsiWin), and a remote clipboard tool "Klipsi" (similar to CopyAnywhere).
Enhancements:
- This release fixes compilation with GCC 4.3, fixes a crash in sisinstall, and changes plpbackup so that it just backs up to and restores from a directory rather than a tarball.
<<lessThe following (console-based) tools are part of the package: plpbackup, a command-line backup program. plpftp, a FTP-like frontend with some extensions. sisinstall, a SIS package installer. plpnfsd, a daemon providing the Psions file services via an NFS-mounted directory. and plpprintd, a print server for printing via a PC.
plptools libraries also includes the KDE 2/3 program kio_plp, a KIOslave which adds a new protocol "psion:/" to the list of known protocols of KDEs generic I/O library. This enables all KDE applications to deal with files on a Psion. There is a plugin for konquerors Properties dialog, a graphical frontend "KPsion" (similar to PsiWin), and a remote clipboard tool "Klipsi" (similar to CopyAnywhere).
Enhancements:
- This release fixes compilation with GCC 4.3, fixes a crash in sisinstall, and changes plpbackup so that it just backs up to and restores from a directory rather than a tarball.
Download (1.2MB)
Added: 2007-07-07 License: GPL (GNU General Public License) Price:
840 downloads
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