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Questions tagged [repast-simphony]

Repast Simphony is a cross platform Java-based modeling system that runs under Microsoft Windows, Apple Mac OS X, and Linux. It supports the development of extremely flexible models of interacting agents for use on workstations and small computing clusters.

Repast Simphony is a tightly integrated, richly interactive, cross platform Java-based modeling system that runs under Microsoft Windows, Apple Mac OS X, and Linux. It supports the development of extremely flexible models of interacting agents for use on workstations and small computing clusters.

Repast Simphony models can be developed in several different forms including the ReLogo dialect of Logo, point-and-click flowcharts, Groovy, or Java, all of which can be fluidly interleaved. NetLogo models can also be imported.

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How do you run a Repast Browser Model on your own server?

I understand from here that you can use a browser to display a repast model by running it on local server. I would like to run a repast browser model on a Linux VPS server and allow public access via an URL. Is this possible at this moment? What are…
Qualmy
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EXCEPTION_ACCESS_VIOLATION in Repast

I have installed Repast on my windows 10 computer, but if I try to run one of the demo codes I get an error. Error loading EGL entry points. A fatal error has been detected by the Java Runtime Environment: EXCEPTION_ACCESS_VIOLATION (0xc0000005)…
Dr ir Egil A.J. Fischer
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How can I find my visualization problem in Repast 2.7?

I created Disease Spread Simulator with Repast 2.7. When I try press Start Run I'm getting this error : java.lang.NullPointerException at repast.simphony.visualization.engine.DisplayProducer.setContext(DisplayProducer.java:35) at…
Hikmet Kağan Çetin
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Repast: slow initialization reason

I have found it's very much slow to initialize my model. IT TAKES 40 SECONDS TO FINISH! my codes contains two major parts: 1) a CSV data reader will first run to load the data, which takes less than 1 second to finish reading and processing 35000+…
Jack
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Aggregate output by quarter/month in REPAST

My REPAST simulation generates/displays (via Charts) an ouput for each day, I wonder if there is a way to aggregate and plot the results by month or quarter. Thanks!
Haifengz
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repast.simphony.ui.GUIScheduleRunner error message

I'm a new user in RePast learning to run the mesoFON model. I get this error message. What is the problem? I'm using Eclipse IDE 2018-09. FATAL [Thread-5] 11:34:18,767 repast.simphony.ui.GUIScheduleRunner - RunTimeException when running the…
Best Bryant
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Could you suggest any of JADE's example?

Recently I'm eager to learn Repast Symphony and JADE after acquiring Netlogo. However, there were not enough examples to illustrate how this actually works on the Internet. And official documentation was not that helpful in enhancing understanding…
Hannah Lee
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Displaying GridValueLayer styles in Repast Simphony 2.3.1?

Repast Simphony 2.0-beta had a known issue with specifying value layer styles. The option to display them did not show up in the GUI interface. In the GUI, right-clicking on a display and selecting 'Edit', should open a window several tabs along the…
klmwr
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Error in Repast Simphony Project auto generation

I have just installed Groovy and Repast Simphony in my Eclipse and created a Repast Simphony Project. In the auto-generated files is an error. In the ModelInitializer class, the import: import static repast.simphony.essentials.RepastEssentials.*…
Aaginor
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"Preferences" in Java

I don't know exactly how to word this, but I am wondering if it is possible to have "preferences" when choosing from a list. For example, if I have a list of comparable tree objects with different variables (size, type, height), is it possible to…
Taylor Marie
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What is wrong with my loop?

I have a list (boxlist) of 6 boxes, each with a count of 1 object per box (num_objects). Each box exists in a geography context (are located at specific latitude and longitude coordinates): //iterate through each of the boxes in the list (6) …
Taylor Marie
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Building an envelope object of a particular size in java?

I have a number of point objects (n) with various coordinates. I have an agent with coordinates. I want to find all points within a certain distance of point a and put them into a list. public class Agent { private Context context; …
Taylor Marie
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Object equivalent to GridCellNgh?

I am using Repast Simphony to build a simulation using java in Eclipse. The simulation has an agent class that functions within a "geography" context. There are other contexts that agents can move within including "grid" and "space". These are 2D…
Taylor Marie
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Collections.max function is returning hashcodes (I think)

I believe my Collections.max function is returning hash codes, but to be honest, I'm not entirely sure what is going on. I am creating a list of trees with a random value of suitability, implementing a comparator, and then trying to find the highest…
Taylor Marie
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An error keeps coming up when using repast simulator

I looked at the demos and built my own zombie simulator as described in the documentation, but an error keeps coming up and I'm pretty sure its not to do with my code since I just copied it from the docs for the zombie simulator and opened the demos…
simonhugh
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