Web browser plug

Structure rendering and editing tools There are so many mature commercial products from which to pick. MDL and CambridgeSoft are dominant in this arena. MDL offers proprietary solutions such as ISISBase/ISISDraw, a Web browser plug-in Chime, and, recently, Java and. NET based MDLDraw. ChemDraw from CambridgeSoft is another popular product. 

From the top, the client layer resides on an end user s desktop, laptop, or handheld device, which is typically, but not limited to, a Windows PC with a Web browser. Usually a Web-based client layer is called thin client, which is lightweight. The programs that run inside the browser are typically JavaScript, VB Script, Java Applets, ActiveX, or Web browser plug-in. Using a rich client such as. NET or Java Swing is another choice, although this book focuses on a Web-based architecture. 

Structure editing Structure is properly drawn and entered into the system, which can be done using commercial chemical structure editing tools such as MDL ISISDraw (it has a Web browser plug-in, Chime), MDLDraw, which is aimed at replacing ISISDraw by MDL, and CambridgeSoft s ChemDraw. 

Special Requirements Chemist s workstation has to have at least 256 MB of memory and 800 MHz CPU. The supported operating system is Microsoft Windows XP Professional with Internet Explore 6.0 Web browser, MDL ISISDraw 2.5, and MDL ChimePro 2.6 SP6 Plug-in. 

For the installation of the Web browser, please refer to the installation instructions. Some browsers already contain a VRML plug-in, for example the Netscape Communicator Professional Version 4.0x includes Silicon Graphics CosmoPlay-er. We have tested the CD-ROM with both Netscape browsers and MS Internet Explorer and several plug-ins. Good results are given by the CosmoPlayer for Netscape and Microsoft s own VRML viewer for Internet Explorer. They are available via the Internet at ... 

On the client side, extended scriptability can be provided as Plug-Ins which add scripting languages within Web browsers, or as language interpreters written in Java. The most prominent of these client-side languages is Tcl/Tk, available both as a Plug-In and as Java interpreter. 

Sofh are applications can mainly be divided into stand-alone programs that have to be installed on a local computer, and web-based appUcation.s. Furthermore, there arc two different tcchniquc.s u.scd in web-based applications for providing the programs applets and plug-ins. Whereas plug-ins (helper applications) have to be installed to be displayed correctly in a browser, java applets are loaded by the browser on demand. The basic requirement for executing java applets is that the java Virtual Machine (jVM) must be pre-installed on the local computer, which is oltcn the case. 

You must have the Microsoft Internet Explorer version 5 or higher installed on your system. The Explorer does not need to be your default browser, but it must be installed because it is used as a plug-in by Orcad Capture CIS. If you do not already have it installed, you can either download and install the most recent version from Microsoft s web site at www.microsoft.com, or install version 5 from the CD-ROM that accompanies this text. On the CD-ROM, the installation files are located in the IES directory. You will need to select the proper subdirectory for the language you wish to use. 

Chime The Chime plug-in displays 2D and 3D molecules directly within a web page and works with both Mozilla and Microsoft browsers. The molecules in the web page are "live, meaning they are not just pictures, but chemical structures that can be rotated, reformatted, and saved in various file formats for use in modeling or database software. http //www.mdl.com/products/ framework/chime/key features. jsp... 

Data Management and Visualization all data collected from the calculations is then again processed to condense repeated or reusable results. These results are then compared with existing ones feeding a results history data base. All results are then presented in a web-based interface, independent of platform or operation system, where all results can be viewed on an open-source format through an open-source web plug-in in any Internet browser. 

Internet/intranet applications. These include 3D database servers which can be accessed through Internet browsers, using virtual reality rendering of structures, or using interactive 3D plug-ins to display structures. Interactive World Wide Web publications and symposia are already becoming popular. Entire 3D databases are now available over the Internet. ... 

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