Layers in Preference files

I don't think you can add layer preferences to the .prf file (I maybe wrong)

The use of a template maybe the way to go or create them on the fly with a macro

You could adjust your pref automaticaly by using macro

See exemple.

Macro STD Properties

DEFINE name AS string
name = "Set All Properties ???"
MESSAGE name

# Attributes/Pens

App.window.pageY = 279.39
App.thickthin.upTo1 = 20
App.thickthin.upTo2 = 40
App.thickthin.useThickThin = false
App.shadow.shadowWidth = 1.02

# STD Pens
App.pens["Thick"].width = 0.61
App.pens["Thick"].switchPen = "Thick"

App.pens["Medium"].width = 0.36
App.pens["Medium"].switchPen = "Medium"

App.pens["Thin"].width = 0.18
App.pens["Thin"].switchPen = "Thin"

App.pens["Center line"].screenColor = "{RGB 0 0 0}"
App.pens["Center line"].width = 0.18
App.pens["Center line"].shadow = "Autom. Long"
App.pens["Center line"].switchPen = "Center line"

# Attributes/colors

App.colors["White"].kind = "RGB_color"
App.colors["Black"].kind = "RGB_color"
Add color "Blue"
App.colors["Blue"].kind = "RGB_color"
App.colors["Blue"].color.type = "rgbValues"
App.colors["Blue"].color.RGB = "{RGB 0 0 255}"

# New Pens

Add pen "Extra Thick"
App.pens["Extra Thick"].screenColor = "Black"
App.pens["Extra Thick"].width = 0.81
App.pens["Extra Thick"].style = "Solid"
App.pens["Extra Thick"].shadow = "$ISO_NOSHADOW"
App.pens["Extra Thick"].switchPen = "Extra Thick"
App.pens["Extra Thick"].color.type = "colorRef"
App.pens["Extra Thick"].color.color = "Black"
App.pens["Extra Thick"].color.tone = 1

# Attributes/Styles

App.linestyles["Solid"].startMark = 1
App.linestyles["Solid"].endMark = 1
App.linestyles["Solid"].type = 0
App.linestyles["Solid"].pattern[1] = 0

App.linestyles["Center line"].startMark = 1
App.linestyles["Center line"].endMark = 1
App.linestyles["Center line"].type = 1
App.linestyles["Center line"].minEndLength = 0
App.linestyles["Center line"].pattern[1] = 6.34
App.linestyles["Center line"].pattern[2] = 0.63
App.linestyles["Center line"].pattern[3] = 1.27
App.linestyles["Center line"].pattern[4] = 0.63
App.linestyles["Center line"].pattern[5] = 0
App.linestyles["Center line"].pattern[6] = 0

# Attributes/shadows

App.shadows["Autom. Long"].start = 3
App.shadows["Autom. Long"].end = 3
App.shadows["Autom. Long"].width = 1.18
App.shadows["Autom. Long"].color.type = "colorRef"
App.shadows["Autom. Long"].color.color = "White"
App.shadows["Autom. Long"].color.tone = 1

Text

App.txtFormats["Normal"].font = "Arial"
App.txtFormats["Normal"].leading = 12

# Grid

App.grid.showGrid = true
App.grid.constrain = true
App.grid.gridMagnet = true
App.grid.showDim = true
App.grid.elementMagnet = true
App.grid.radius = 5
App.showCursorInfo = false
App.magnetFlags = 7

# Drawing Format

App.window.pageX = 21.58
App.window.pageY = 27.94
App.window.curSystem = "in"
App.window.dimScale = 1

# CGM Export

App.cgm.cgmlinecap = 2
App.cgm.cgmlinejoin = 2
App.cgm.cgmlinecap = 1
App.cgm.cgmlinejoin = 1
App.cgm.profile = 18
App.cgm.textType = 2
App.cgm.styleHandling = 3
App.cgm.version = 4

End Macro