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filereference:area_input [2012/07/31 19:36] – enviadmin | filereference:area_input [2017/11/10 09:25] – external edit 127.0.0.1 | ||
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====== Area Input Files (.IN/.IN3) ====== | ====== Area Input Files (.IN/.IN3) ====== | ||
+ | {{ : | ||
+ | ===== Overview ===== | ||
+ | **Area Input Files** are one of the basic files when working with ENVI-met. They specify the geometry of model environment such as buildings, plants or soils in detail.\\ | ||
+ | Information stored in the Area Input Files include: | ||
+ | |||
+ | * position and height of buildings | ||
+ | * position of plants | ||
+ | * distribution of surface materials and soil types | ||
+ | * position of sources | ||
+ | * position of receptors | ||
+ | * database links | ||
+ | * geographic position of the location on earth | ||
+ | |||
+ | |||
+ | //From Version 3.1 on, the [[number of nesting grids]], the [[soil information for the nesting grids]], the [[model rotation]] and the position on earth are now stored in the Area Input File, not in the Configuration File! | ||
+ | |||
+ | **ENVI-met will not accept .IN files in an old format. If you want to re-use some older file, you must open it in the Editor first and save it once to convert it into the V4.0 format!**// | ||
+ | |||
+ | The model domain is organised as a rectangular area which extends in x-, y- and z- direction.\\ | ||
+ | In Area Input Files, you don't " | ||
+ | The following figure shows the same example shown in 3D above in the horizontal view as it appears in the ENVI-met Editor: | ||
+ | |||
+ | {{ : | ||
+ | |||
+ | The Area Input Files are ASCII files using a matrix format with strict format rules that must be followed to decode the data correctly. | ||
+ | |||
+ | **Normally it is not necessary for you to deal with the internal details of the file format. It is recommended that you use the ENVI-met editor to create and maintain your Area Input Files!** | ||
+ | |||
+ | * [[File Format Specifications|Click here to learn more about the format of Area Input Files]] |