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0004177Dwarf FortressDwarf Mode -- Interface, Designationspublic2011-03-09 13:152018-01-08 16:32
Toady One 
normaltrivialhave not tried
IntelMac OS X10.6.6
0004177: Designating removal of ramps highlights unrevealed ramps
While working in the depths of my fortress I included a large section of unrevealed caver-z-level as part of my ramp-removal designation. This reveled all the ramps by highlighting them for digging.

This is an easy exploit for mapping unrevealed portions of caverns. (I have not tested to see if this works on caverns that have not been at least partially discovered.)
Dig down until you hit a cavern layer. Designate ramps for removal over an entire z-level where at least some cavern has been revealed. Note that digging designations nicely outline the cavern layout.
cavern, designation, designations, exploit, ramp, ramps
related to 0001075confirmed Footkerchief When cavern discovered, mining designation stays for shrubs, ramps 
has duplicate 0004811resolved Dwarfu "Remove up Stairs/ramps" highlites unrevealed ramps 
has duplicate 0008042resolved Footkerchief Designation to remove ramps works on unrevealed caverns 
related to 0004912new  Placing farm plot on hidden areas allows detection of underground plants 
related to 0005118resolved Toady One Can reveal hell by designating across z-levels which include eerie glowing pits 
related to 0009944new  Mining designation reveals caverns before being discovered 
Issue History
2011-03-09 13:15eggdropsoapNew Issue
2011-03-10 09:22AOTag Attached: cavern
2011-03-10 09:22AOTag Attached: designation
2011-03-10 09:22AOTag Attached: exploit
2011-03-10 09:22AOTag Attached: ramps
2011-03-10 09:23AOTag Attached: designations
2011-03-10 09:23AOTag Attached: ramp
2011-03-10 09:28FootkerchiefIssue Monitored: AO
2011-08-08 01:10DwarfuRelationship addedhas duplicate 0004811
2011-10-02 06:07Knight OtuRelationship addedrelated to 0004912
2012-02-15 08:41FootkerchiefRelationship addedrelated to 0005118
2012-02-20 18:45FootkerchiefRelationship addedrelated to 0001075
2014-08-18 07:19FootkerchiefRelationship addedhas duplicate 0008042
2014-08-18 07:19FootkerchiefAssigned To => Footkerchief
2014-08-18 07:19FootkerchiefStatusnew => confirmed
2017-11-02 15:51LociNote Added: 0036842
2017-11-22 17:10DwarfuRelationship addedrelated to 0009944
2018-01-08 16:32Toady OneStatusconfirmed => resolved
2018-01-08 16:32Toady OneFixed in Version => Next Version
2018-01-08 16:32Toady OneResolutionopen => fixed
2018-01-08 16:32Toady OneAssigned ToFootkerchief => Toady One

2017-11-02 15:51   
v0.43.05x32: all ramps can be designated (no prior discovery of cavern necessary)