Every config option has a preset default which will be used if there is no override. In the same spirit, a default configuration will be used if you specify no config file.
You can always generate a full configuration file by specifying CONF as gnuclad's output:
gnuclad input.csv CONF
gnuclad input.csv config-file.conf
gnuclad input.csv conf another.conf
The last line will use the settings as available from 'another.conf' and complement them with the built-in defaults. The 'input.csv' will be ignored. It can be an empty dummy file.
# gnuclad config file
# This configuration file has been generated by gnuclad 0.2.2
# If you comment or delete an option,
# gnuclad will use the built-in defaults.
# Allowed syntax is:
# option=value
# option = value
# option= 'value'
# option ="value"
# option = three word value
# option = "three word value"
# ...
# Show debug information when running gnuclad. (0 = off, 1 = on)
debug = 0
# Modify the appearance of your info box
# To disable the box:
# Set both font size parameters to 0, set the width and height to 0
infoBoxTitle = Title
infoBoxTitleSize = 18
infoBoxText = Lorem ipsum dolor sit amet,
infoBoxText = consectetuer adipiscing elit
infoBoxTextSize = 12
infoBoxFont = Liberation Sans, Arial, Helvetica
infoBoxFontColor = #000
infoBoxColor1 = #51b1f1
infoBoxColor2 = #3181f1
infoBoxX = 10
infoBoxY = 45
infoBoxWidth = 166
infoBoxHeight = 60
# Slice one node name with children, ignore the rest.
slice =
# Correction factor for font pixel width/height.
# It is normalised for Liberation Sans (= Arial) and will
# affect the alignment of all text in your output. Since this
# one option affects all text instances, it's recommended
# to use 'similarly spaced' fonts throughout your settings.
fontCorrectionFactor = 1
# Orientation of the timeline
# 0 = left to right, 1 = top to bottom
# 2 = right to left, 3 = bottom to top
orientation = 0
# The layout of the tree
# 0 = branch to both sides
# 1 = branch only on lower side
# 2 = branch only on lower side, inverse (good for CSV output)
treeMode = 0
# Chose: 0 = don't presort, 1 = by name, 2 = by date
sortKey = 0
# Set optimisation between 0 and 99. See manual for details.
# First digit: isolated nodes. Second digit: trees.
optimise = 99
# This guesses if optimisation should overlap in some rare cases
# 1 = forbid overlaps, 0 = allow overlaps (better optimisation)
strictOverlaps = 0
# How much space (in offsets) to add before/after trees
treeSpacing = 1
# How big (total children) a tree has to be before it gets spaced
treeSpacingBiggerThan = 5
# Background color in hexadecimal RGB (#abc or #abcdef)
mainBackground = #fff
# Customise the background lines separating the years and months
rulerWidth = 2
rulerColor = #ddd
rulerMonthWidth = 1
rulerMonthColor = #eee
# Width of all node lines
lineWidth = 2
# Number of pixels between node lines (== 1 offset)
offsetPX = 20
# Set to 0 if you want 'dying' lines to stop abruptly
stopFadeOutPX = 30
# When optimising, gnuclad will inline nodes if possible. This sets
# the minimum time distance between the stop of one node and the
# start of another which will allow the latter to get appended.
# Format: 'y.m.d' or 'y.m' or 'y' (year, month, day)
stopSpacing = 0.2
# How many pixels one year should have
yearPX = 100
# Customise the node labels
labelFont = Liberation Sans, Arial, Helvetica
labelFontSize = 16
labelFontColor = #000
# An experimental feature you might want to use with derivType > 1
# Opacity takes values between 0 (transparent) and 100 (opaque).
# It DOES NOT work flawlessly with SVG 1.1 output.
# (hoping for v1.2 or CSS3 ...)
labelBGOpacity = 0
# This sets the heuristic used for determining label background width
# 0 = standard, will sometimes generate suboptimal width values
# 1 = improved, but only if the majority of your characters fall into
# the ASCII charset and you use a fairly standard font
# playing around with fontCorrectionFactor might help
asciiStrings = 0
# Useful if you want to use the renames only as version bumps.
# 0 = rename above the dot to the right, like the first name
# 1 = rename centered within the dot
nameChangeType = 0
# Set the way the lines should derive from the parent.
# 0 = orthogonal, 1 = from parent's starting point
# 2 = diagonal (45 degrees)
# 3 = curved (1 year wide curves), 4 = curved (quadratic scaling)
# 5 = curved (from parent's starting point)
derivType = 0
# The size of the node dots
dotRadius = 10
smallDotRadius = 5
# Determines how the dots look.
# 0 = full dots, 1 = circles
# Circles might be useful together with nameChangeType = 1
dotType = 0
# Specifies the amount a node's line thickness should increase
# relative to the count of it's children. (recommended 0.0 - 1.0)
bigParent = 0
# Adds small half-circles to connector starting points
connectorDots = 1
# 1 = connectors have a dashed stroke
# 0 = connectors are full lines
connectorsDashed = 1
# Customise the year line encompassing the cladogram.
yearLinePX = 40
yearLineColor1 = #037
yearLineColor2 = #37d
yearLineFont = Liberation Sans, Arial, Helvetica
yearLineFontSize = 28
yearLineFontColor = #fff
How many (empty) years to append at the end
appendYears = 0
How many (empty) years to prepend at the beginning
prependYears = 0
# Remember to adjust your input data after changing these averages.
daysInMonth = 30
monthsInYear = 12
# Not setting endOfTime will use the current date.
#endOfTime = 2012.12
# How the description field should be used.
# 0 = ignore
# 1 = weblink URL
descriptionType = 0
# When parsing direcories, show dot (hidden) files (0 = off, 1 = on)
dir_showDotFiles = 0
# Color of files, directories and links
dir_colorFile = 0ff
dir_colorDir = 00f
dir_colorLink = 0f0
# Directories with greater than specified size will get a domain of
# the given intensity (0-100). Set size = 0 to turn off.
dir_domainSize = 0
dir_domainIntensity = 3