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IDProjectCategoryView StatusDate SubmittedLast Update
0000804Dwarf FortressGeologypublic2010-04-08 09:462016-05-15 15:48
ReporterQuietust Assigned ToToady One  
PrioritynormalSeverityminorReproducibilityalways
Status resolvedResolutionfixed 
Product Version0.31.01 
Fixed in Version0.43.03 
Summary0000804: Mineral vein inclusions within large clusters behave incorrectly
DescriptionWhen minerals occur as veins within a large cluster (rather than within a layer stone), the inclusions are sometimes placed within other veins or small clusters which happen to intersect the target large cluster, often reducing them to single tiles. This is most noticeable with native platinum spawning within large clusters of magnetite.
Tagsraw file

Relationships

related to 0001111 resolvedToady One Ore/gem frequency parameters don't work 
related to 0001429 resolvedToady One Native platinum appears within olivine as small clusters instead of veins 

Activities

Naros

2010-04-21 18:41

reporter   ~0004528

Last edited: 2010-04-21 18:41

 Soil layers devoid of minerals and such was also the case in v0.28, now that you mention it.


Though I remember there to be various things such as iron ore in soil in earlier versions. IIRC, v0.23, so perhaps the bug snuck in there at some point?

Quietust

2010-04-21 19:58

reporter   ~0004532

0.23 never had soil layers to begin with - that was the 2D version. Perhaps you're thinking back to the earlier 3D versions (e.g. versions since 0.27.139.32a)?

Squirrelloid

2010-04-21 20:43

reporter   ~0004538

I saw an alluvial platinum deposit in .38c, as well as a number of various opals similarly deposited. This was at a sea-side fortress, and the alluvial deposits were all in soil cliffs above the beach. I may actually have the save around somewhere...

Can't say I've seen one since, but I haven't tried recreating that fortress concept since either.

Naros

2010-04-21 20:53

reporter   ~0004540

Yes, that must have been it, Quietust. As I've never played the 2D version. Thanks! :)

king doom

2010-04-22 00:50

reporter   ~0004556

I've only ever seen one alluvuial deposit, it was a small amount of gold and was mostly exposed in a hillside. Other than that I have never encountered anything in a soil layer. My current fort has four layers for example, and all are empty of anything bar soil.

user6

2010-04-23 10:17

  ~0004729

Please direct additional comments on the ALLUVIAL issue to 0001407.

Quietust

2010-06-09 14:04

reporter   ~0008005

Last edited: 2010-06-09 14:04

 To clarify, the effective problem here is that when the mineral vein ends up being created with its "origin" (or perhaps any point at all, given the frequency at which this happens) within another vein/small cluster, it only overwrites tiles of that other inclusion instead of those of the cluster in which it was intended to be placed - for example, when a native platinum vein is placed within a magnetite cluster and happens to land on a vein of lignite, it only places native platinum walls on top of previously placed lignite walls (reducing it to a few tiles at most, sometimes even in multiple places if the two veins would have crossed over each other more than once) instead of placing them on top of magnetite walls (and possibly just leaving gaps where the lignite had already been placed).

ptb_ptb

2015-01-16 10:53

reporter   ~0031960

Last edited: 2015-01-16 10:57

 DF 0.40.23 I think this bug is still with us. I looked in the worldgen cookbook thread for worldgens with native platinum. I found this one:
http://www.bay12forums.com/smf/index.php?topic=140180.msg5654385#msg5654385

Using dfhack reveal I found three tiles of native platinum (C) appearing as part of a vein of Hematite (B). There was a vein of Magnetite(A) not far away. So it looks like platinum ore is being limited to the wrong vein (and the wiki seems to suggest it should extend out from source vein).
http://imagr.eu/up/54b95de5b9198_sample.png

(N.B. Screenshot is from F2 hotkey location)

Save file: http://dffd.wimbli.com/file.php?id=10455

Issue History

Date Modified Username Field Change
2010-04-08 09:46 Quietust New Issue
2010-04-09 20:24 Creidieki Tag Attached: raw file
2010-04-13 18:38 user6 Relationship added related to 0001111
2010-04-21 14:57 user6 Relationship added parent of 0001407
2010-04-21 18:41 Naros Note Added: 0004528
2010-04-21 18:41 Naros Note Edited: 0004528
2010-04-21 19:58 Quietust Note Added: 0004532
2010-04-21 20:43 Squirrelloid Note Added: 0004538
2010-04-21 20:53 Naros Note Added: 0004540
2010-04-22 00:50 king doom Note Added: 0004556
2010-04-22 09:21 user6 Relationship added parent of 0001429
2010-04-23 10:12 user6 Additional Information Updated
2010-04-23 10:14 user6 Summary Platinum veins behave strangely => Mineral vein inclusions within large clusters behave incorrectly
2010-04-23 10:14 user6 Description Updated
2010-04-23 10:17 user6 Note Added: 0004729
2010-06-09 11:43 user6 Relationship replaced child of 0001111
2010-06-09 11:44 user6 Relationship deleted parent of 0001407
2010-06-09 11:44 user6 Relationship deleted parent of 0001429
2010-06-09 14:04 Quietust Note Added: 0008005
2010-06-09 14:04 Quietust Note Edited: 0008005
2015-01-16 10:53 ptb_ptb Note Added: 0031960
2015-01-16 10:57 ptb_ptb Note Edited: 0031960
2015-01-19 16:00 lethosor Assigned To => lethosor
2015-01-19 16:00 lethosor Status new => confirmed
2015-01-19 16:09 lethosor Relationship replaced related to 0001111
2015-01-19 16:09 lethosor Relationship added parent of 0001429
2016-05-15 15:47 Toady One Relationship replaced related to 0001429
2016-05-15 15:48 Toady One Status confirmed => resolved
2016-05-15 15:48 Toady One Fixed in Version => Next Version
2016-05-15 15:48 Toady One Resolution open => fixed
2016-05-15 15:48 Toady One Assigned To lethosor => Toady One