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A simple demonstration of connecting APSIM to optimisation techniques

The APSIM Initiative Reference Panel has provided two examples for connecting APSIM to optimisation techniques.  These serve to demonstrate contrasting approaches in connecting APSIM to optimisation software. 

Examples can be found here:

Optimisation Techniques

Monday, 5 November 2018/Author: Sarah Cleary/Number of views (48)/Comments (0)/
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nasapower: NASA POWER Global Meteorology, Surface Solar Energy and Climatology Data Client

International users of APSIM can now enjoy easy access to APSIM metrological files (.met files) from NASA POWER via a new R package developed by USQ’s Associate Professor of Field Crops Pathology Dr Adam Sparks called nasapower now available on CRAN.  One of the functions in this new package takes the NASA POWER agroclimatology data and reformats it into an APSIM .met file for use in APSIM simulations.  Information and documentation for the new package can be found at https://ropensci.github.io/nasapower/.

Thursday, 18 October 2018/Author: Sarah Cleary/Number of views (76)/Comments (0)/
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Updated Instructions for Submission of Improvements to APSIM for Review

As a user of APSIM, you may access and modify all source code. As per the conditions agreed to on download, all modifications to APSIM must be submitted to the AI and be subject to the Reference Panel evaluation process before inclusion into the official APSIM release. Updated instructions for submitting Improvements to APSIM for review by the APSIM Initiative Reference Panel can be found here

It can be useful to notify the APSIM Initiative that you are planning on making an improvement to APSIM. This can often lead to others suggesting ideas or collaborators to work with. To do this you need to create an issue in GitHub with a description of what you intend doing. This is for APSIM 7.x and APSIM Next Generation.  Any queries, please email apsim@csiro.au.

Tuesday, 9 October 2018/Author: Sarah Cleary/Number of views (56)/Comments (0)/
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APSIM Initiative Development Plan

The APSIM Initiative Development Plan is now available: http://www.apsim.info/AboutUs/DevelopmentPlan.aspx

The plan outlines work that is currently being undertaken by APSIM Initiative Members and partners.  It covers work that is being carried out this year as well as planned or aspirational work in the near future. 

If you’re interested in more information, co-developing or partnering in any of this work, please email apsim@csiro.au.

Monday, 24 September 2018/Author: Sarah Cleary/Number of views (71)/Comments (0)/
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APSIM Initiative Strategic Plan

The APSIM Initiative Strategic Plan is now available.  The plan summarises the Mission and Vision of the APSIM Initiative whilst clearly outlining the purpose and objectives for APSIM. 

The APSIM Initiative welcomes feedback from our stakeholders.  It can be found at http://www.apsim.info/AboutUs/StrategicPlan.aspx

Wednesday, 5 September 2018/Author: Sarah Cleary/Number of views (118)/Comments (0)/
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FEATURES

APSIM next generation

Author: Chris Murphy/Monday, 14 September 2015/Categories: Features

Over 24 years, the Agricultural Production Systems sIMulator (APSIM) has grown from a farming systems framework used by a small number of people, into a large collection of models used by many thousands of modellers internationally. The software consists of many hundreds of thousands of lines of code in multiple programming languages. This infrastructure has successfully integrated a diverse range of models but isn’t capable of easily meeting new demands from modellers. For these reasons, the APSIM Initiative has begun developing a next generation of APSIM (dubbed APSIM next generation) that is a completely new application with no legacy code and designed to run across different platforms. Currently APSIM next generation has limited capability (soilwater, soilnitrogen, wheat, oil palm) and isn't quite ready for mainstream use. However, if your modelling problems fits within the specified capability, or you simply wish to evaluate this release, then it can be downloaded from the APSIM registration page (look for 'next generation' in the version drop down box). More information can also be found here.

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