GR Proper Length Program

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written by Wolfgang Christian, Mario Belloni, and Anne Cox
educational validator: Bethany Zach

The GR Proper Length program simulates the distance between points using the Schwarzschild metric. It displays the proper length between two points and the light-travel path. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the gr_properlength.jar file will run the program if Java is installed.

GR Proper Length is part of a suite of Open Source Physics programs that model aspects of General Relativity. Other programs provide additional visualizations. They can be found by searching ComPADRE for Open Source Physics, OSP, or General Relativity.

Please note that this resource requires at least version 1.5 of Java.

.jar

download 635kb .jar
Published: May 8, 2008
previous versions

2 supplemental documents are available

Subjects	Levels	Resource Types
Astronomy - Fundamentals = Relativity Relativity - General Relativity - Spacetime Fundamentals = Metric	- Lower Undergraduate - Upper Undergraduate	- Instructional Material = Interactive Simulation

Intended Users	Formats	Ratings
- Learners - Educators	- application/java	Currently 0.0/5 Want to rate this material? Login here!

Access Rights:: Free access
Restriction:: © 2008 2008: Wolfgang Christian. Details available at http://www.opensourcephysics.org/misc/copyright.html.
PACSs:: 01.50.hv; 07.05.Tp; 04.20.-q
Keywords:: general relativity, metric, spacetime
Record Creator:: Metadata instance created May 8, 2008 by Anne Cox
Record Updated:: August 22, 2009 by Gregory Comer
Last Update when Cataloged:: May 8, 2008
Other Collections:: The Spacetime Emporium

The Open Source Physics

advice on running Proper Length on Windows 8

Author: John Nolan
Posted: May 11, 2018 at 7:55PM
Source: The Open Source Physics collection

Can you direct me to instructions for running the program on Windows desktop?
Thanks,

» reply

Re: advice on running Proper Length on Windows 8

Author: Wolfgang
Posted: May 12, 2018 7:34AM UTC

In Windows 8 you should be able to run a Java program (jar file) by double clicking on the file if Java is installed.

On Mac OS X you must first lower the security to allow non App store programs to run. Then click on the jar file and select open to run it. This extra step only needs to be done the first time the program is run.

» reply

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ComPADRE is beta testing Citation Styles!

Record Link

<a href="https://www.compadre.org/portal/items/detail.cfm?ID=7009">Christian, W, M. Belloni, and A. Cox. "GR Proper Length Program."</a>

AIP Format

W. Christian, M. Belloni, and A. Cox, Computer Program GR PROPER LENGTH PROGRAM (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340).

AJP/PRST-PER

W. Christian, M. Belloni, and A. Cox, Computer Program GR PROPER LENGTH PROGRAM (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340>.

APA Format

Christian, W., Belloni, M., & Cox, A. (2008). GR Proper Length Program [Computer software]. Retrieved April 24, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340

Chicago Format

Christian, W, M. Belloni, and A. Cox. "GR Proper Length Program." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340 (accessed 24 April 2024).

MLA Format

Christian, Wolfgang, Mario Belloni, and Anne Cox. GR Proper Length Program. Computer software. 2008. Java 1.5. 24 Apr. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340>.

BibTeX Export Format

@misc{ Author = "Wolfgang Christian and Mario Belloni and Anne Cox", Title = {GR Proper Length Program}, Month = {May}, Year = {2008} }

Refer Export Format

%A Wolfgang Christian %A Mario Belloni %A Anne Cox %T GR Proper Length Program %D May 8, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340 %O application/java

EndNote Export Format

%0 Computer Program %A Christian, Wolfgang %A Belloni, Mario %A Cox, Anne %D May 8, 2008 %T GR Proper Length Program %8 May 8, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=7009&DocID=340

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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