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IDProjectCategoryView StatusDate SubmittedLast Update
0007342Dwarf FortressWorld Generation -- Generalpublic2014-07-15 13:012014-07-17 11:13
ReporterJoeJoe Assigned Touser11 
PrioritynormalSeverityminorReproducibilityalways
Status resolvedResolutionno change required 
Product Version0.40.03 
Summary0007342: with orographic precipitation turned on rainfall is influenced by drainage, even over oceans
Descriptionsee thread for pictures: http://www.bay12forums.com/smf/index.php?topic=140685.0

basically whenever drainage is above (probably) 50 and orographic precipitation is turned on rain shadows are created in that region, even over oceans. I'm no geographer but it seems very strange that it would behave like this.
Steps To Reproducecreate a world with rainfall min and max set to 50, variance set to 0 and orographic precipitation turned on. (elevation should also be as flat as possible to eliminate influence of mountains)
export drainage and rainfall maps.
compare results
Tagsworldgen

Activities

JoeJoe

2014-07-17 11:08

reporter   ~0026764

I guess this can be closed? Toady explained, that until there is more information on local elevation differences the drainage is a placeholder for differentiating between hills and plains etc.

user11

2014-07-17 11:13

  ~0026765

The answer from Toady is here:
http://www.bay12forums.com/smf/index.php?topic=140685.msg5484064#msg5484064

I'm going to mark this no change required as it is working as intended (in its current form).

Issue History

Date Modified Username Field Change
2014-07-15 13:01 JoeJoe New Issue
2014-07-15 13:02 JoeJoe Tag Attached: Intentional/Expected?
2014-07-15 13:02 JoeJoe Tag Attached: worldgen
2014-07-17 11:08 JoeJoe Note Added: 0026764
2014-07-17 11:12 user11 Tag Detached: Intentional/Expected?
2014-07-17 11:13 user11 Note Added: 0026765
2014-07-17 11:13 user11 Status new => resolved
2014-07-17 11:13 user11 Resolution open => no change required
2014-07-17 11:13 user11 Assigned To => user11