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{alias:opa}
h2. Name
*opa* — Opacity
h2. Syntax
{panel:|borderStyle=solid|borderWidth=1|bgColor=#FFFFAA}
*opa* _opacity_ \[*l*] \[*all*]
{panel}
h2. Description
Set opacity to one or more displayed objects.
h2. Arguments
_opacity_
{indent}A number between 0 and 1, where 1 is no opacity. With no further arguments, this will be applied to current actor list.{indent}
*l* _from to_
{indent}Actorlist from _from_ to _to_, _from_ and _to_ are actor list numbers (integers).{indent}
*all*
{indent}All actor lists are given the opacity.{indent}
h2. Examples
h3. Ex.1: Opacity for display lists
{noformat:|borderWidth=1|bgColor=#eeeeee} |
Name
opa — Opacity
Syntax
| Panel | ||||||
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opa opacity [l] [all] |
Description
Set opacity to one or more displayed objects.
Arguments
opacity
l from to
all
Examples
Ex.1: Opacity for display lists
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|---|---|---|---|---|
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z ;# Erase screen
win demo ;# Get demo window (450000 460000 6450000 6460000 1000 4000)
spe bgc whi ;# Specify background color to white
mak ran 11 ;# Make 11 random points
grp 222 222 ;# Make grid
oco frq 14 col bla liw 2 ;# Draw orthogonal contours
oco dar ;# Calculate drainage areas
map drain ;# Map the drainage areas
cln 2 ;# Shift to display list 2
gen 44 44 44 ;# Generate a dummy cube
mak ras ;# Make random scalars
dis ;# Display the cube
opa .4 ;# Set opacity 0.4 in display list 2
{noformat}
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The
...
above
...
example
...
produces
...
this
...
image.
...
Opacity in cube
See also
acp opa , dis opa , map opa , amb - Ambient light