BUG: Blending fails with 0 weight for passed data #2054

Activity

1. SamGriffithsMO

   added

   Type:Bug

   on Nov 25, 2024
2. cpelley commented on Mar 18, 2025

   

   cpelley

   on Mar 18, 2025

   Contributor

   More actions

   Do we know if plugins that typically run after the blend support being passed None (currently that is).

   In future, it could be that a plugin determines whether the blend actually occurs at all, based not only on the presence of a new field to blend but perhaps also whether it has a non-zero weight to one or more of these fields:

   ---
   title: blend
   ---
   graph TD
   
   subgraph pressure_at_mean_sea_level[pressure_at_mean_sea_level]
   0(["0<br>operation: blend_trigger"])
   click 0 callback "leadtime: [0, 3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200, 46800, 50400, 54000, 57600, 61200, 64800, 68400, 72000, 75600, 79200, 82800, 86400, 90000, 93600, 97200, 100800, 104400, 108000, 111600, 115200, 118800, 122400, 126000, 129600, 133200, 136800, 140400, 144000, 147600, 151200, 154800, 158400, 162000, 165600, 169200, 172800, 176400, 180000, 183600, 187200, 190800, 194400, 198000, 201600, 205200, 208800, 212400, 216000, 219600, 223200, 226800, 230400, 234000, 237600, 241200, 244800, 248400, 252000, 255600, 259200, 262800, 266400, 270000, 273600, 277200, 280800, 284400, 288000, 291600, 295200, 298800, 302400, 306000, 309600, 313200, 316800, 320400, 324000, 327600, 331200, 334800, 338400, 342000, 345600, 349200, 352800, 356400, 360000, 363600, 367200, 370800, 374400, 378000, 381600, 385200, 388800, 392400, 396000, 399600, 403200, 406800, 410400, 414000, 417600, 421200, 424800, 428400, 432000, 435600, 439200, 442800, 446400, 450000, 453600]<br>cycle_offset: [None]"
   style pressure_at_mean_sea_level_blend fill:#D4A76A
   subgraph pressure_at_mean_sea_level_blend[blend]
   1(["1<br>step: blendgrids"])
   click 1 callback "leadtime: [0, 3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200, 46800, 50400, 54000, 57600, 61200, 64800, 68400, 72000, 75600, 79200, 82800, 86400, 90000, 93600, 97200, 100800, 104400, 108000, 111600, 115200, 118800, 122400, 126000, 129600, 133200, 136800, 140400, 144000, 147600, 151200, 154800, 158400, 162000, 165600, 169200, 172800, 176400, 180000, 183600, 187200, 190800, 194400, 198000, 201600, 205200, 208800, 212400, 216000, 219600, 223200, 226800, 230400, 234000, 237600, 241200, 244800, 248400, 252000, 255600, 259200, 262800, 266400, 270000, 273600, 277200, 280800, 284400, 288000, 291600, 295200, 298800, 302400, 306000, 309600, 313200, 316800, 320400, 324000, 327600, 331200, 334800, 338400, 342000, 345600, 349200, 352800, 356400, 360000, 363600, 367200, 370800, 374400, 378000, 381600, 385200, 388800, 392400, 396000, 399600, 403200, 406800, 410400, 414000, 417600, 421200, 424800, 428400, 432000, 435600, 439200, 442800, 446400, 450000, 453600]<br>cycle_offset: [None]"
   2(["2<br>operation: save"])
   click 2 callback "leadtime: [0, 3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200, 46800, 50400, 54000, 57600, 61200, 64800, 68400, 72000, 75600, 79200, 82800, 86400, 90000, 93600, 97200, 100800, 104400, 108000, 111600, 115200, 118800, 122400, 126000, 129600, 133200, 136800, 140400, 144000, 147600, 151200, 154800, 158400, 162000, 165600, 169200, 172800, 176400, 180000, 183600, 187200, 190800, 194400, 198000, 201600, 205200, 208800, 212400, 216000, 219600, 223200, 226800, 230400, 234000, 237600, 241200, 244800, 248400, 252000, 255600, 259200, 262800, 266400, 270000, 273600, 277200, 280800, 284400, 288000, 291600, 295200, 298800, 302400, 306000, 309600, 313200, 316800, 320400, 324000, 327600, 331200, 334800, 338400, 342000, 345600, 349200, 352800, 356400, 360000, 363600, 367200, 370800, 374400, 378000, 381600, 385200, 388800, 392400, 396000, 399600, 403200, 406800, 410400, 414000, 417600, 421200, 424800, 428400, 432000, 435600, 439200, 442800, 446400, 450000, 453600]<br>cycle_offset: [None]"
   end
   style pressure_at_mean_sea_level_enukx fill:#D4A76A
   subgraph pressure_at_mean_sea_level_enukx[enukx]
   3(["3<br>operation: input"])
   click 3 callback "leadtime: [3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200, 46800, 50400, 54000, 57600, 61200, 64800, 68400, 72000, 75600, 79200, 82800, 86400, 90000, 93600, 97200, 100800, 104400, 108000, 111600, 115200, 118800, 122400, 126000, 129600, 133200, 136800, 140400, 144000, 147600, 151200, 154800, 158400, 162000, 165600, 169200, 172800, 176400, 180000, 183600, 187200, 190800, 194400, 198000, 201600, 205200, 208800, 212400, 216000, 219600, 223200, 226800, 230400, 234000, 237600, 241200, 244800, 248400, 252000, 255600, 259200, 262800, 266400, 270000, 273600, 277200, 280800, 284400, 288000, 291600, 295200, 298800, 302400, 306000, 309600, 313200, 316800, 320400, 324000, 327600, 331200, 334800, 338400, 342000, 345600, 349200, 352800, 356400, 360000, 363600, 367200, 370800, 374400, 378000, 381600, 385200, 388800, 392400, 396000, 399600, 403200, 406800, 410400, 414000, 417600, 421200, 424800, 428400, 432000, 435600, 439200, 442800, 446400, 450000, 453600]<br>cycle_offset: [None]"
   4(["4<br>operation: load"])
   click 4 callback "leadtime: [3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200, 46800, 50400, 54000, 57600, 61200, 64800, 68400, 72000, 75600, 79200, 82800, 86400, 90000, 93600, 97200, 100800, 104400, 108000, 111600, 115200, 118800, 122400, 126000, 129600, 133200, 136800, 140400, 144000, 147600, 151200, 154800, 158400, 162000, 165600, 169200, 172800, 176400, 180000, 183600, 187200, 190800, 194400, 198000, 201600, 205200, 208800, 212400, 216000, 219600, 223200, 226800, 230400, 234000, 237600, 241200, 244800, 248400, 252000, 255600, 259200, 262800, 266400, 270000, 273600, 277200, 280800, 284400, 288000, 291600, 295200, 298800, 302400, 306000, 309600, 313200, 316800, 320400, 324000, 327600, 331200, 334800, 338400, 342000, 345600, 349200, 352800, 356400, 360000, 363600, 367200, 370800, 374400, 378000, 381600, 385200, 388800, 392400, 396000, 399600, 403200, 406800, 410400, 414000, 417600, 421200, 424800, 428400, 432000, 435600, 439200, 442800, 446400, 450000, 453600]<br>cycle_offset: [None]"
   end
   style pressure_at_mean_sea_level_ukvx fill:#D4A76A
   subgraph pressure_at_mean_sea_level_ukvx[ukvx]
   5(["5<br>operation: input"])
   click 5 callback "leadtime: [0, 3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200]<br>cycle_offset: [None]"
   6(["6<br>operation: load"])
   click 6 callback "leadtime: [0, 3600, 7200, 10800, 14400, 18000, 21600, 25200, 28800, 32400, 36000, 39600, 43200]<br>cycle_offset: [None]"
   end
   end
   3 --> 0
   5 --> 0
   4 --> 1
   6 --> 1
   1 --> 2
   3 --> 4
   0 --> 4
   0 --> 6
   5 --> 6
   

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