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     When comparing a source ID to the range limits for a Srcrng parameter, the model separates the source IDs into three parts: an initial alphabetical part, a numerical part, and then the remainder of the string.  Each part is then compared to the corresponding parts of the source range, and all three parts must satisfy the respective ranges in order for the source ID to be included.  If there is no numeric part, then the ID consists of only one alphabetical part.  If the ID begins with a numeric character, then the initial aphabetical part defaults to a single blank.  If there is no trailing alphabetical part, then the third part also defaults to a single blank part.  If the trailing part consists of more than one alphabetical or numeric field, it is all lumped into one character field.  For example, the source ID 'STACK2' consists of the parts 'STACK' plus '2' plus a single trailing blank, ' '.  By comparing the separate parts of the source IDs, it can be seen that STACK2 falls between the range 'STACK1‑STACK10.'  For a three‑part example, it can also be seen that VENT1B falls within the range of VENT1A‑VENT1C.  However, VENT2 does not fall within the range of VENT1A to VENT3B, since the third part of VENT2 is a single blank, which does not fall within the range of A to C. This is because a blank character will preceed a normal alphabetical character.  Normally, the source ranges will work as one would intuitively expect for simple source names.  Most importantly, for names that are made up entirely of numeric characters, such as for old input files converted using STOLDNEW (see Appendix C), the source ranges will be based simply on the relative numerical values.  The user is strongly encouraged to check the summary of model inputs to ensure that the source ranges were interpreted as expected, and also to avoid using complex source names in ranges, such as AA1B2C‑AB3A3C.  Since the order of keywords within the SO pathway is quite flexible, it is also important to note that the building heights will only be applied to those sources that have been defined previously in the input file.

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castellano: DIS CUS DES  RAD   english: DIS CUS DES RAD  

 

 português: DIS CUS DES RAD   italiano:   DIS CUS  DES RAD

 

français:  DIS CUS DES RAD