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IDProjectCategoryView StatusDate SubmittedLast Update
0001867Dwarf FortressMap Featurespublic2010-05-13 22:582014-08-23 19:56
Reportercaldfir Assigned Touser6 
PrioritylowSeverityminorReproducibilityunable to reproduce
Status confirmedResolutionopen 
Product Version0.31.03 
Summary0001867: Missing Cave, possibly caused by placing cave on top of stream/river
DescriptionWorld/Region maps show a cave. Embarking here there is no characteristic "mound" type cave entrance, and closer inspection shows that there is nothing revealed in z-levels below the plain where the cave should be.

Additionally, there are numerous cave creatures lounging about on the surface (dragon, some elkbirds, giant rats etc.) along with the usual cave garbage.
Steps To ReproducePresumably generate a whole pile of worlds with lots of caves and check them each out in dwarf mode.
Additional InformationI have the save sitting here and will upload it if anyone thinks that will be useful - I'll be checking out the map myself to see if maybe the cave is somehow buried or something (?)
TagsNo tags attached.

Relationships

related to 0001181 confirmeduser6 Items from underground cavern scattered on surface 
has duplicate 0001274 closeduser6 'Cave' occurs above ground 

Activities

user6

2010-05-14 00:10

  ~0006679

Last edited: 2010-05-14 00:10

 The save would be useful, but what might be even better is the world gen parameters for that world (you can export those from Legends), plus a screenshot showing the location of the cave (on the embark screen, or a Legends historical map or whatever). You can upload the screenshot to http://tinypic.com/

caldfir

2010-05-14 00:47

reporter   ~0006681

Poked around underground - no entrance from the caverns and excavation of the area beneath where the cavestuffs are reveals nothing.

caldfir

2010-05-14 00:47

reporter   ~0006682

Last edited: 2010-05-14 00:59

 Here's the worldgen export. I have also removed the raw entry for bronze collossi (trust me - you would have too if you were embarking on caves). It could possibly be related to that...but I don't see how. In any case it would need to be done to get the same world.

Also note: this one's a doosie. 1400y worldgen on a large map.

http://i43.tinypic.com/e84e9v.jpg

Created in DF v0.31.03.

[WORLD_GEN]
    [TITLE:LARGE ISLAND]
    [SEED:3906169624]
    [HISTORY_SEED:1809981810]
    [NAME_SEED:508386961]
    [CREATURE_SEED:3972920804]
    [DIM:257:257]
    [EMBARK_POINTS:1274]
    [END_YEAR:1400]
    [BEAST_END_YEAR:300:80]
    [REVEAL_ALL_HISTORY:1]
    [CULL_HISTORICAL_FIGURES:0]
    [ELEVATION:1:400:1600:1600]
    [RAINFALL:0:100:400:400]
    [TEMPERATURE:25:75:400:400]
    [DRAINAGE:0:100:400:400]
    [VOLCANISM:0:100:400:400]
    [SAVAGERY:0:100:400:400]
    [ELEVATION_FREQUENCY:1:1:1:1:1:1]
    [RAIN_FREQUENCY:1:1:1:1:1:1]
    [DRAINAGE_FREQUENCY:1:1:1:1:1:1]
    [TEMPERATURE_FREQUENCY:1:1:1:1:1:1]
    [SAVAGERY_FREQUENCY:1:1:1:1:1:1]
    [VOLCANISM_FREQUENCY:1:1:1:1:1:1]
    [TITAN_NUMBER:50]
    [TITAN_ATTACK_TRIGGER:80:0:100000]
    [DEMON_NUMBER:50]
    [GOOD_SQ_COUNTS:40:244:0]
    [EVIL_SQ_COUNTS:35:350:700]
    [PEAK_NUMBER_MIN:15]
    [PARTIAL_OCEAN_EDGE_MIN:0]
    [COMPLETE_OCEAN_EDGE_MIN:4]
    [VOLCANO_MIN:8]
    [REGION_COUNTS:SWAMP:252:0:0]
    [REGION_COUNTS:DESERT:252:2:1]
    [REGION_COUNTS:FOREST:1008:3:2]
    [REGION_COUNTS:MOUNTAINS:2016:2:2]
    [REGION_COUNTS:OCEAN:2016:1:1]
    [REGION_COUNTS:GLACIER:63:0:0]
    [REGION_COUNTS:TUNDRA:126:0:0]
    [REGION_COUNTS:GRASSLAND:2016:3:2]
    [REGION_COUNTS:HILLS:2016:3:2]
    [EROSION_CYCLE_COUNT:250]
    [RIVER_MINS:100:100]
    [PERIODICALLY_ERODE_EXTREMES:1]
    [OROGRAPHIC_PRECIPITATION:1]
    [SUBREGION_MAX:3500]
    [CAVERN_LAYER_COUNT:3]
    [CAVERN_LAYER_OPENNESS_MIN:10]
    [CAVERN_LAYER_OPENNESS_MAX:95]
    [CAVERN_LAYER_PASSAGE_DENSITY_MIN:0]
    [CAVERN_LAYER_PASSAGE_DENSITY_MAX:75]
    [CAVERN_LAYER_WATER_MIN:0]
    [CAVERN_LAYER_WATER_MAX:100]
    [HAVE_BOTTOM_LAYER_1:1]
    [HAVE_BOTTOM_LAYER_2:1]
    [LEVELS_ABOVE_GROUND:10]
    [LEVELS_ABOVE_LAYER_1:5]
    [LEVELS_ABOVE_LAYER_2:3]
    [LEVELS_ABOVE_LAYER_3:3]
    [LEVELS_ABOVE_LAYER_4:3]
    [LEVELS_ABOVE_LAYER_5:2]
    [LEVELS_AT_BOTTOM:3]
    [CAVE_MIN_SIZE:10]
    [CAVE_MIN_SIZE:10]
    [CAVE_MAX_SIZE:100]
    [MOUNTAIN_CAVE_MIN:75]
    [NON_MOUNTAIN_CAVE_MIN:50]
    [ALL_CAVES_VISIBLE:1]
    [SHOW_EMBARK_TUNNEL:2]
    [TOTAL_CIV_NUMBER:50]
    [TOTAL_CIV_POPULATION:20000]
    [PLAYABLE_CIVILIZATION_REQUIRED:1]
    [ELEVATION_RANGES:33000:4032:2016]
    [RAIN_RANGES:2016:4032:2016]
    [DRAINAGE_RANGES:2016:4032:2016]
    [SAVAGERY_RANGES:2016:4032:2016]
    [VOLCANISM_RANGES:2016:4032:4032]

caldfir

2010-06-01 10:17

reporter   ~0007531

I think I may have determined the cause for this. I am seeing this occur in cases where the cave icon appears in the path of a stream in the world map. Probably worldgen gets confused about how to put a cave in a stream and screws it up like this.

If this is the case, then a simple fix would be to have worldgen simply NOT place caves on tiles containing a stream.

JohnLukeG

2010-06-02 16:27

reporter   ~0007586

I found an identical issue.

I embarked on an area where a cave was placed on the same tile as a river, and found no cave whatsoever. I did find a bronze colossus charging at my dwarves, however.

ChickenLips

2010-06-10 10:28

reporter   ~0008058

Confirmed here as well, .06. Same -- the cave pile, with all its goods, is centered on a brook, and there does not appear to be any sort of mound.

Pic:
http://tinypic.com/m/ajp6l4/1

Parameters:
[WORLD_GEN]
    [TITLE:CUSTOM]
    [SEED:28741]
    [HISTORY_SEED:28741]
    [NAME_SEED:28734]
    [CREATURE_SEED:28741]
    [DIM:257:257]
    [EMBARK_POINTS:1274]
    [END_YEAR:1050]
    [BEAST_END_YEAR:300:80]
    [REVEAL_ALL_HISTORY:1]
    [CULL_HISTORICAL_FIGURES:0]
    [ELEVATION:1:400:1600:1600]
    [RAINFALL:0:100:400:400]
    [TEMPERATURE:25:75:400:400]
    [DRAINAGE:0:100:400:400]
    [VOLCANISM:0:100:400:400]
    [SAVAGERY:0:100:400:400]
    [ELEVATION_FREQUENCY:1:1:1:1:1:1]
    [RAIN_FREQUENCY:1:1:1:1:1:1]
    [DRAINAGE_FREQUENCY:1:1:1:1:1:1]
    [TEMPERATURE_FREQUENCY:1:1:1:1:1:1]
    [SAVAGERY_FREQUENCY:1:1:1:1:1:1]
    [VOLCANISM_FREQUENCY:1:1:1:1:1:1]
    [TITAN_NUMBER:33]
    [TITAN_ATTACK_TRIGGER:80:0:1000000]
    [DEMON_NUMBER:52]
    [GOOD_SQ_COUNTS:24:244:0]
    [EVIL_SQ_COUNTS:24:244:0]
    [PEAK_NUMBER_MIN:12]
    [PARTIAL_OCEAN_EDGE_MIN:0]
    [COMPLETE_OCEAN_EDGE_MIN:4]
    [VOLCANO_MIN:4]
    [REGION_COUNTS:SWAMP:252:1:1]
    [REGION_COUNTS:DESERT:252:1:1]
    [REGION_COUNTS:FOREST:1008:3:2]
    [REGION_COUNTS:MOUNTAINS:2016:2:2]
    [REGION_COUNTS:OCEAN:2016:1:1]
    [REGION_COUNTS:GLACIER:63:0:0]
    [REGION_COUNTS:TUNDRA:126:0:0]
    [REGION_COUNTS:GRASSLAND:2016:3:2]
    [REGION_COUNTS:HILLS:2016:3:2]
    [EROSION_CYCLE_COUNT:250]
    [RIVER_MINS:100:100]
    [PERIODICALLY_ERODE_EXTREMES:1]
    [OROGRAPHIC_PRECIPITATION:1]
    [SUBREGION_MAX:3500]
    [CAVERN_LAYER_COUNT:3]
    [CAVERN_LAYER_OPENNESS_MIN:0]
    [CAVERN_LAYER_OPENNESS_MAX:100]
    [CAVERN_LAYER_PASSAGE_DENSITY_MIN:0]
    [CAVERN_LAYER_PASSAGE_DENSITY_MAX:50]
    [CAVERN_LAYER_WATER_MIN:0]
    [CAVERN_LAYER_WATER_MAX:50]
    [HAVE_BOTTOM_LAYER_1:1]
    [HAVE_BOTTOM_LAYER_2:1]
    [LEVELS_ABOVE_GROUND:15]
    [LEVELS_ABOVE_LAYER_1:5]
    [LEVELS_ABOVE_LAYER_2:1]
    [LEVELS_ABOVE_LAYER_3:1]
    [LEVELS_ABOVE_LAYER_4:1]
    [LEVELS_ABOVE_LAYER_5:2]
    [LEVELS_AT_BOTTOM:1]
    [CAVE_MIN_SIZE:5]
    [CAVE_MIN_SIZE:5]
    [CAVE_MAX_SIZE:50]
    [MOUNTAIN_CAVE_MIN:100]
    [NON_MOUNTAIN_CAVE_MIN:150]
    [ALL_CAVES_VISIBLE:1]
    [SHOW_EMBARK_TUNNEL:2]
    [TOTAL_CIV_NUMBER:35]
    [TOTAL_CIV_POPULATION:18000]
    [PLAYABLE_CIVILIZATION_REQUIRED:1]
    [ELEVATION_RANGES:33000:4032:2016]
    [RAIN_RANGES:2016:4032:2016]
    [DRAINAGE_RANGES:2016:4032:2016]
    [SAVAGERY_RANGES:2016:4032:2016]
    [VOLCANISM_RANGES:2016:4032:2016]

m-logik

2014-08-23 18:18

reporter   ~0029554

Last edited: 2014-08-23 18:21

 This is still present as of .40.09. I've embarked on a few caves recently and encountered this bug several times when finding one placed on a water feature. It has occurred in several worlds with a wide range of settings, and I believe is easily reproducible by setting caves to be visible in advanced world gen and just looking for it specifically. I've just generated a medium world where I found four instances of it, without having increased the cave count, and only slightly increasing cave size. The world gen parameters:

[WORLD_GEN]
    [TITLE:MEDIUM REGION]
    [SEED:pjuCSa8izqOriR9CsqXJ]
    [HISTORY_SEED:bf304KxQPqtr0yupJPx6]
    [NAME_SEED:mALCvDDIvi2EnmOol1pb]
    [CREATURE_SEED:dr7rrR1uvWyiaI5M2rer]
    [DIM:129:129]
    [EMBARK_POINTS:1324]
    [END_YEAR:150]
    [BEAST_END_YEAR:200:80]
    [REVEAL_ALL_HISTORY:1]
    [CULL_HISTORICAL_FIGURES:0]
    [ELEVATION:1:400:3200:3200]
    [RAINFALL:0:100:200:200]
    [TEMPERATURE:30:75:200:200]
    [DRAINAGE:0:100:200:200]
    [VOLCANISM:30:100:1600:1600]
    [SAVAGERY:35:100:600:600]
    [ELEVATION_FREQUENCY:1:1:1:1:1:1]
    [RAIN_FREQUENCY:1:1:1:1:1:1]
    [DRAINAGE_FREQUENCY:1:1:1:1:1:1]
    [TEMPERATURE_FREQUENCY:1:1:1:1:1:1]
    [SAVAGERY_FREQUENCY:1:1:1:1:1:1]
    [VOLCANISM_FREQUENCY:1:1:1:1:1:1]
    [POLE:NORTH_AND_SOUTH]
    [MINERAL_SCARCITY:100]
    [MEGABEAST_CAP:55]
    [SEMIMEGABEAST_CAP:75]
    [TITAN_NUMBER:20]
    [TITAN_ATTACK_TRIGGER:80:0:100000]
    [DEMON_NUMBER:28]
    [NIGHT_TROLL_NUMBER:14]
    [BOGEYMAN_NUMBER:14]
    [VAMPIRE_NUMBER:32]
    [WEREBEAST_NUMBER:22]
    [SECRET_NUMBER:44]
    [REGIONAL_INTERACTION_NUMBER:28]
    [DISTURBANCE_INTERACTION_NUMBER:28]
    [EVIL_CLOUD_NUMBER:14]
    [EVIL_RAIN_NUMBER:14]
    [GENERATE_DIVINE_MATERIALS:1]
    [GOOD_SQ_COUNTS:25:251:503]
    [EVIL_SQ_COUNTS:25:251:503]
    [PEAK_NUMBER_MIN:12]
    [PARTIAL_OCEAN_EDGE_MIN:0]
    [COMPLETE_OCEAN_EDGE_MIN:0]
    [VOLCANO_MIN:200]
    [REGION_COUNTS:SWAMP:260:1:1]
    [REGION_COUNTS:DESERT:260:1:1]
    [REGION_COUNTS:FOREST:1040:3:3]
    [REGION_COUNTS:MOUNTAINS:2080:2:2]
    [REGION_COUNTS:OCEAN:0:0:0]
    [REGION_COUNTS:GLACIER:0:0:0]
    [REGION_COUNTS:TUNDRA:0:0:0]
    [REGION_COUNTS:GRASSLAND:2080:3:3]
    [REGION_COUNTS:HILLS:2080:3:3]
    [EROSION_CYCLE_COUNT:250]
    [RIVER_MINS:100:100]
    [PERIODICALLY_ERODE_EXTREMES:0]
    [OROGRAPHIC_PRECIPITATION:1]
    [SUBREGION_MAX:2750]
    [CAVERN_LAYER_COUNT:3]
    [CAVERN_LAYER_OPENNESS_MIN:40]
    [CAVERN_LAYER_OPENNESS_MAX:100]
    [CAVERN_LAYER_PASSAGE_DENSITY_MIN:0]
    [CAVERN_LAYER_PASSAGE_DENSITY_MAX:50]
    [CAVERN_LAYER_WATER_MIN:10]
    [CAVERN_LAYER_WATER_MAX:50]
    [HAVE_BOTTOM_LAYER_1:1]
    [HAVE_BOTTOM_LAYER_2:1]
    [LEVELS_ABOVE_GROUND:15]
    [LEVELS_ABOVE_LAYER_1:15]
    [LEVELS_ABOVE_LAYER_2:5]
    [LEVELS_ABOVE_LAYER_3:5]
    [LEVELS_ABOVE_LAYER_4:15]
    [LEVELS_ABOVE_LAYER_5:5]
    [LEVELS_AT_BOTTOM:1]
    [CAVE_MIN_SIZE:10]
    [CAVE_MAX_SIZE:50]
    [MOUNTAIN_CAVE_MIN:25]
    [NON_MOUNTAIN_CAVE_MIN:50]
    [ALL_CAVES_VISIBLE:1]
    [SHOW_EMBARK_TUNNEL:2]
    [TOTAL_CIV_NUMBER:25]
    [TOTAL_CIV_POPULATION:15000]
    [SITE_CAP:1040]
    [PLAYABLE_CIVILIZATION_REQUIRED:1]
    [ELEVATION_RANGES:2080:4160:2080]
    [RAIN_RANGES:2080:4160:2080]
    [DRAINAGE_RANGES:2080:4160:2080]
    [SAVAGERY_RANGES:0:0:0]
    [VOLCANISM_RANGES:0:0:0]

There were a few rejections during world gen, so it may not create the exact same world. However I embarked and immediately saved on three of the caves I found like this (I couldn't find the fourth again), and can provide the saves (or a clean world backup). I'll repeat, though, that I've found this easy to reproduce in a variety of worlds across many versions.

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Issue History

Date Modified Username Field Change
2010-05-13 22:58 caldfir New Issue
2010-05-14 00:10 user6 Note Added: 0006679
2010-05-14 00:10 user6 Note Edited: 0006679
2010-05-14 00:47 caldfir Note Added: 0006681
2010-05-14 00:47 caldfir Note Added: 0006682
2010-05-14 00:53 caldfir Note Edited: 0006682
2010-05-14 00:59 caldfir Note Edited: 0006682
2010-06-01 10:17 caldfir Note Added: 0007531
2010-06-01 11:09 user6 Summary Missing Cave => Missing Cave, possibly caused by placing cave on top of stream
2010-06-02 16:27 JohnLukeG Note Added: 0007586
2010-06-03 00:55 user6 Summary Missing Cave, possibly caused by placing cave on top of stream => Missing Cave, possibly caused by placing cave on top of stream/river
2010-06-03 00:56 user6 Relationship added child of 0001270
2010-06-03 00:56 user6 Relationship added has duplicate 0001274
2010-06-10 10:28 ChickenLips Note Added: 0008058
2011-03-08 08:11 user6 Relationship added related to 0001181
2011-03-08 08:11 user6 Relationship deleted child of 0001270
2014-08-23 18:18 m-logik Note Added: 0029554
2014-08-23 18:21 m-logik Note Edited: 0029554
2014-08-23 19:56 user6 Assigned To => user6
2014-08-23 19:56 user6 Status new => confirmed