0001447: Gold nuggets weigh 901352 - Dwarf Fortress Bug Tracker

Notes
(0004684) Footkerchief (manager) 2010-04-22 23:47	Does this reproduce? That value seems awfully high.

(0004736) ronarscorruption (reporter) 2010-04-23 10:47	I can vouch for that, I get the same thing.

(0005090) jgoodwin (reporter) 2010-04-25 22:35 edited on: 2010-04-25 22:40	Btw examining a gold nugget shows its weight is 1352. Anyone with gold can repro this easily. So it's simply a display format error that the value (90) runs into the weight (1352). But I think 1352 is too high anyway. 24kt gold is 1204 lb/ft3 and cast lead is 708 lb/ft3, the ratio is 1.7:1. In game a bar of lead (weight 22) and a bar of gold (weight 38) closely match this ratio, implying that a bar of lead in game is the same size as a bar of gold. Since you get one bar of lead from a galena boulder, which weighs 525, there's a smelting reduction factor of 23.86. And since you get one gold bar weighing 38 from smelting a gold nugget weighing 1352, the gold smelting reduction factor is much higher, 35.58, implying that a gold nugget is much less pure gold than a galena boulder is pure lead. That doesn't match my intuition about gold nuggets, which is of course based on movies and not science. Just using the lead smelting reduction factor for gold would mean gold nuggets should weigh 907 (3823.86). Or 5251.7 is 983, so I think gold nuggets should weigh no more than 907.

(0005095) PencilinHand (reporter) 2010-04-25 23:05	There is some general funniness with the way weight is calculated currently. See 0001386 and 0000297.

(0005109) GRead (reporter) 2010-04-26 05:07	This seems unrelated to 0001386 and 0000297, which are internal calculation errors. This actually follows directly from the raws; gold nuggets are pure gold, and have a solid_density of 19320. Galena has a solid_density of 7500. But all boulders are created the same, so the 'gold nuggets' weigh significantly more than the galena boulder.

(0005127) DoctorZuber (reporter) 2010-04-26 09:03	nice report. Allowing for some variance in purity from one material to the next the weight for gold could be working as intended. raw ore is awful darned heavy, and isn't necessarily all on the same ratio before smelting. In either event, this does still leave a misleading display error.

(0009789) Footkerchief (manager) 2010-07-08 08:26	Reminder sent to: Toady One Hey Toady -- another weight bug that was possibly fixed already.

(0010320) Toady One (administrator) 2010-07-15 01:27	That one is kind of in a weird space. The boulders are human-sized, so a gold boulder ("nuggets") is quite heavy -- 1300kg seems reasonable. The reason they are human-sized is because you can make giant statues from them (as well as like three goblets). Shrinking/growing is inevitable until more reactions respect sizes etc., and I'm not even sure how good of an idea that'll end up being, though it's more important to do for adv mode.

Issue History
Date Modified	Username	Field	Change
2010-04-22 23:06	jgoodwin	New Issue
2010-04-22 23:47	Footkerchief	Note Added: 0004684
2010-04-23 00:09	Footkerchief	Issue Monitored: Footkerchief
2010-04-23 10:47	ronarscorruption	Note Added: 0004736
2010-04-25 22:35	jgoodwin	Note Added: 0005090
2010-04-25 22:40	jgoodwin	Note Edited: 0005090	View Revisions
2010-04-25 23:05	PencilinHand	Note Added: 0005095
2010-04-26 05:07	GRead	Note Added: 0005109
2010-04-26 09:03	DoctorZuber	Note Added: 0005127
2010-07-08 08:25	Footkerchief	Relationship added	child of 0000297
2010-07-08 08:26	Footkerchief	Issue Monitored: Toady One
2010-07-08 08:26	Footkerchief	Note Added: 0009789
2010-07-08 08:27	Footkerchief	Relationship replaced	related to 0000297
2010-07-08 08:27	Footkerchief	Relationship added	parent of 0001862
2010-07-08 08:27	Footkerchief	Relationship added	parent of 0001860
2010-07-08 08:28	Footkerchief	Summary	Gold nuggests weigh 901352 => Gold nuggets weigh 901352
2010-07-08 08:32	Footkerchief	Relationship added	related to 0001484
2010-07-15 01:27	Toady One	Note Added: 0010320
2010-07-15 01:27	Toady One	Assigned To	=> Toady One
2010-07-15 01:27	Toady One	Status	new => acknowledged
2010-07-18 10:31	Footkerchief	Relationship added	has duplicate 0002395
2010-07-18 10:31	Footkerchief	Relationship added	related to 0001575
2010-07-18 10:31	Footkerchief	Relationship replaced	related to 0001860
2010-07-18 10:32	Footkerchief	Relationship deleted	parent of 0001862
2010-07-18 10:32	Footkerchief	Relationship deleted	related to 0001484
2010-07-18 18:23	TomiTapio	Tag Attached: item
2010-07-18 18:23	TomiTapio	Tag Attached: trading
2010-07-18 18:23	TomiTapio	Tag Attached: weight
2010-07-20 08:40	quatch	Tag Attached: user interface
2011-07-09 01:04	Dwarfu	Relationship added	related to 0003955
2012-05-14 15:50	Footkerchief	Relationship added	related to 0001862
2012-05-14 15:50	Footkerchief	Relationship deleted	related to 0001860