Thirteenth Annual Tcl/Tk Conference

Tcl/Tk Conference: 2006 The 13'th Tcl/Tk conference

Basic Information

Original website	https://www.tcl-lang.org/community/tcl2006/
When	October 9-13, 2006
Location	Naperville, Illinois
Program Co-Chairs	Steve Redler and Steve Landers
Chair	Clif Flynt

Proceedings

Keynote Address

SQLite and Tcl by D. Richard Hipp

The (Active) State of Tcl

An update on progress in the Tcl community by Jeff Hobbs.

Sessions

Language Techniques

'TJC A Tcl to Java Compiler' by Mo Dejong This paper introduces TJC, a Tcl to Java compiler that converts Tcl procs into Java bytecode and closes the performance gap present in Jacl (a Tcl interpreter written in Java). In many cases, TJC compiled Tcl code executes more quickly than the same code running in native Tcl.

'The "L" Programming Language' by Oscar Bonilla, Tim Daly Jr, Larry McVoy This paper describes a new programming language called L. L is a compiled-to-byte-code language with the unusual twist that it compiles to Tcl byte codes and by doing so leverages the entire Tcl runtime. L is designed to peacefully coexist with Tcl rather than replace Tcl.

'TclRAL: A A Relational Algebra Library for Tcl' by Andrew Mangogna - TclRAL is a "C" language extension to Tcl that provides commands to implement a formal relational algebra.

'Tcl Flow-based Programming - TFP' by George Peter Staplin

New Widgets

'Spider Widgets' by Stan Driskell Spider Controls holds the promise of transforming the ways in which people interact with computers by offering a new paradigm that is both more user-friendly and more productive than the 30-year old computer-human interface that currently dominates the world’s computers.

'Entice: Multiple Firefox instances in a Tk frame' by Steve Landers This paper describes Entice - a Tcl/Tk extension that allows multiple Firefox windows to be embedded into Tk and controlled from a Tcl/Tk application.

'TkHtml moves to the 21'st century' by Dan Kennedy Tkhtml is a Tk widget written in C that displays documents formatted according to the HTML and CSS standards. This paper reports on the recent work on Tkhtml 3.0 sponsored by Eolas Technologies.

'CanvasPlus; Progress and Applications' by J Lima

New Extensions

'A Tcl Binding for HLA/RTI' by William H Duquette HLA/RTI is a "High Level Architecture" with accompanying "Run-Time Infrastructure" designed by the U.S. Department of Defense to support the creation of networks (called federations) of cooperating simulation applications (called federates). The RTI software layer provides basic inter-task messaging, as well as management of simulated time across federates.

'TCL Extension for IIDC IEEE1394(Firewire) Video Cameras and Raw Image' by Akifumi Kobashi - We present a Tcl/Tk extension that is designed to enable Tcl users to easily build Tcl applications for using IIDC-compliant IEEE1394(Firewire) video cameras.

'VME: Large Leverage From a Small Extension' by Ron Fox IEEE 1014-1987 describes a backplane standard called VME bus. This standard is widely used in experimental Nuclear, and High Energy Physics. This paper will describe the backplane and its capabilities, describe a small Tcl extension that provides Linux user level software access to modules installed in one or more VME backplanes and the use that has been made of this extension. While the extension is quite small (~500LOC C++), users at the NSCL and elsewhere have used it to build complex device control applications with relative ease.

'Tclshp: a Tcl API for shapelib' by Devin Eyre This paper describes Tclshp, a Tcl API for shapelib, and my experiences creating it . It contains an interface to all the main shapelib C API functions, and includes TCL interface procedures to make it easier to work with. Shapelib is an open- source library of functions used to read and write shapefiles and the associated xBase database files, which are most often used in Geographical Information Systems applications.

'A Tcl Language Extension for Accessing and Transmitting Frames' by Hari T.S. Narayanan In this paper we describe an extenion to Tcl language by the addition of a set of commands (an interface) for capturing and transmitting raw frames. Unlike socket interface, this interface provides a lower layer access to networking data. The set of new commands added to Tcl are supported on all popular platforms (Windows, Linux, and Unix). Using this new set of commands one can develop networking tools, cross layering features, applications and prototypes with faster turn around time.

Tcl Internals

'Efficient Data Manipulation with Vlerq and Ratcl' by Jean-Claude Wippler - Ratcl and Vlerq (rhymes with “flair”) are new extensions for Tcl which provide a general data-querying and data-manipulation foundation for in-memory and persistent data, supporting a range of relational and set-wise operations.

'Using Tcl Virtual Filesystems for Complex Data Management' by Stephen Huntley - Virtual filesystems are the killer app for Tcl total world domination.

'libtclsh.a: Single libarary for embedded Tcl applications' by Clif Flynt - This paper introduces a technique for making a single library file that can be linked to a compiled application creating a single file executable that includes the ancilliary Tcl libraries.

'TAO: The Tcl Architecture of Objects' by Sean Woods - This paper will address both the technical and the psychological strategies employed by TAO to deliver web content to staff at the Franklin Institute Science Museum.

Applications

'Rating of Highway Bridges Using Tcl' by Michael H. Scott - OpenSees, written in C++, extends the Tcl language to define the nodes, boundary conditions, finite elements, and moving axle loads required to compute the demand imposed by trucks at critical locations along a bridge. Tcl commands are also added to compute the bridge capacity from design specifications at the critical locations, which can then be compared to the imposed demand in order to rate a bridge.

'The Whim Window Manager' by Steve Redler - Whim is a window manager written for the X11 graphical windowing system that has its primary logic and functionality coded in Tcl/Tk. It uses two newly developed c extensions to give Tcl/Tk the fine control needed to properly implement a window manager, with Whim being not just a proof of concept, but instead a full function, comfortable and intuitive interface to X11 applications.

'Application of Tcl/Tk for a Robotic System' by Antonio C. Leite - This paper addresses the application of Tcl/Tk language to develop a graphical user interface (GUI) for a robotic system, which consists of a robot manipulator, a CCD camera and a force sensor. The GUI is used to monitor the interaction forces, set the camera-robot system parameters and execute user- developed routines in order to improve the performance of the experimental tests.

'Automated Testing Tool' by Gerald Lester - This paper presents details of the design and implementation of a Automated Testing Tool for a Tcl/Tk based database application suite. The tool does record and playback of the of user interaction events, much like TkReplay. In addition, the tool also records and compares database interactions, display of error messages, and widget tree state.

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Original Offical Tcl/Tk Conference page is at https://www.tcl-lang.org/community/tcl2006/

Papers and presentation materials: https://www.tcl-lang.org/community/tcl2006/papers/

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