Table of Contents
Wiki articles
MetaPost samples
Smaller contributions
Caving bio
Surveying
Wiki articles
Helping Therion to calculate cave lengths
Drawing surface features
Map Connection points, and map offsets
Colouring pitches in simple and offset maps
Making projected elevations
Colouring elevations
Breaking extended elevations on specific stations
Rigging topos
Making multiple cross sections at once
MetaPost samples
Setting pen thicknesses
Adding custom styled labels at any point/linepoint
Replacing legend drawings for existing symbols
P-hangers that face the right way, and other anchor designs
Warning triangle
Magnetic effects
Rope lengths
Pit lines that look different in elevation view
Simplified rope lines
Deviations
Shuttering, two parallel lines
Trees
Shoring
Centreline that is only visible when not in a scrap
Break line
Smaller contributions
Joining scraps together
clarifications only
How to solve the incorrectly determined interior of the scrap
additional causes
Colour Palette Scales - Lookups
; the default behaviour of altitude colours
Showing centreline for parts of a cave, and passage walls for others
Making a subset of the cave take its altitude colours from a larger part of the cave
Drawing Order How to draw symbols over or under an area
clarifications only
Summary of all extend options, for survey centrelines
clarifications only
Drawing a symbol on the legend which is not used on the map
documenting Xavier's solution
Caving bio
Caving since 1991
Author of the
Ogof Draenen description
Caving homepage
Surveying
Prior to Therion
Ogof Pen Maelor
Hexamine Highways, Ogof Draenen, BCRA 3c/2b
Crescent Cave
Town Drain extension, BCRA 5c (assistant)
Therion
Cystanog Mine system
South Towy Mine system
Ogof Marros (WIP)
Pwll Dwfn (cartography instruction, WIP)