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     The ELEV and FLAG keywords are optional inputs, and are only needed if elevated terrain or flagpole receptor heights are to be used.  If the ELEV keyword is used and the model is being run with the flat terrain option (see Section 3.2.6), then the elevated terrain height inputs will be ignored by the model, and a non‑fatal warning message will be generated.  If the elevated terrain option is selected, and no elevated terrain heights are entered, the elevations will default to 0.0 meters, and warning messages will also be generated.  The model handles flagpole receptor height inputs in a similar manner.

     The order of cards within the GRIDCART subpathway is not  important, as long as all inputs for a particular network are contiguous and start with the STA secondary keyword and end with the END secondary keyword.  It is not even required that all ELEV cards be contiguous, although the input file will be more readable if a logical order is followed.  The network ID is also not required to appear on each runstream image (except for the STA card).  The model will assume the previous ID if none is entered, similar to the use of continuation cards for pathway and keywords.  Thus, the following two examples produce the same 8 X 4 Cartesian grid network:

RE GRIDCART CAR1 STA

RE GRIDCART CAR1 XPNTS  ‑500.  ‑400.  ‑200.  ‑100. 100.  200.  400.  500.

RE GRIDCART CAR1 YPNTS  ‑500.  ‑250.   250.  500.

RE GRIDCART CAR1 ELEV  1  10.  10.  10.  10.  10.  10. 10.  10.

RE GRIDCART CAR1 ELEV  2  20.  20.  20.  20.  20.  20. 20.  20.

RE GRIDCART CAR1 ELEV  3  30.  30.  30.  30.  30.  30. 30.  30.

RE GRIDCART CAR1 ELEV  4  40.  40.  40.  40.  40.  40. 40.  40.

RE GRIDCART CAR1 FLAG  1  10.  10.  10.  10.  10.  10. 10.  10.

RE GRIDCART CAR1 FLAG  2  20.  20.  20.  20.  20.  20. 20.  20.

RE GRIDCART CAR1 FLAG  3  30.  30.  30.  30.  30.  30. 30.  30.

RE GRIDCART CAR1 FLAG  4  40.  40.  40.  40.  40.  40. 40.  40.

RE GRIDCART CAR1 END

RE GRIDCART CAR1 STA

                 XPNTS  ‑500.  ‑400.  ‑200.  ‑100. 100.  200.  400.  500.

                 YPNTS  ‑500.  ‑250.   250.  500.

                 ELEV  1  8*10.

                 FLAG  1  8*10.

                 ELEV  2  8*20.

                 FLAG  2  8*20.

                 ELEV  3  8*30.

                 FLAG  3  8*30.

                 ELEV  4  8*40.

                 FLAG  4  8*40.

RE GRIDCART CAR1 END

 

201 - 202 - 203 - 204 - 205 - 206 - 207 - 208 - 209 - 210 - 211 - 212 - 213 - 214 - 215 - 216 - 217 - 218 - 219 - 220 - 221 - 222 - 223 - 224 - 225 - 226 - 227 - 228 - 229 - 230 - 231 - 232 - 233 - 234 - 235 - 236 - 237 - 238 - 239 - 240 - 241 - 242 - 243 - 244 - 245 - 246 - 247 - 248 - 249 - 250

 

 

 

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

 

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