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Celestia/Celx Scripting/CELX Lua Methods/CEL command mark
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mark
mark { object <objectstring> size <sizenumber> color <colorvector> symbol <symbolstring> label <labelstring> occludable <boolean_occludable> }
This command marks the <objectstring> with the specified <symbolstring> of the specified <sizenumber> and <colorvector>. It is also possible to add a label <labelstring> to the marker and define whether the marker will be hidden by objects in front of it.
object <objectstring> Name of the object to be marked. No default.
size <sizenumber> Diameter, in pixels, of the symbol. Default is 10.0.
color <colorvector> Defines the color of the symbol. Default is [1 0 0] is red.The three number values define the strength of Red, Green and Blue (RGB) respectively. Allowable values are from 0 to 1, with decimals being specified with a leading 0, such as 0.5. Any value over 1 is handled the same as if it were specified as 1.
symbol <symbolstring> Defines what shape of symbol to mark the object with. Default is "diamond".Must be one of the following string values:
diamond
plus
square
triangle
x
filledsquare
leftarrow
rightarrow
uparrow
downarrow
circle
disk
label <labelstring> A text label for the marker. The default is the empty string, indicating no label.
occludable <boolean_occludable> A boolean flag (true|false) indicating whether the marker will be hidden by objects in front of it. The default is true, the marker will be hidden by objects in front of it.
CELX equivalent-1:
Based on the celestia:mark() method.
Note: It is NOT possible with this method to define the size, color, symbol, label and occludability of the marker.The object:mark() method should be used instead (see CELX equivalent-2).
Find an object with name <objectstring> which must be marked and store in "objectname".
objectname = celestia:find( <objectstring> )
Mark the specified object.
celestia:mark( objectname )
Summarized:
objectname = celestia:find( <objectstring> )
celestia:mark( objectname )
CELX equivalent-2:
Based on the object:mark() method.
Find an object with name <objectstring> which must be marked and store in "objectname".
objectname = celestia:find( <objectstring> )
Place a marker on "objectname", according the specified parameters:
<colorstring>: The color to be used for the marker. Default is lime.
Either use HTML-style hex color strings such as “#00ff00” (lime),or some predefined color names like: "red", "green", "yellow", "blue", "white", "black", etc..A list of supported color names can be found on the HTML Color Names page.
<symbolstring>: Name of symbol to be used for the marker. Default is "diamond".The available marker symbols are:
"diamond", "triangle", "square", "plus", "x", "filledsquare","leftarrow", "rightarrow", "uparrow", "downarrow", "circle", "disk".
<sizenumber>: Size of the marker in pixels. Default is 10.
<opacitynumber>: A value from 0 to 1 that gives the opacity of marker. The Default is 1.0, completely opaque.
<labelstring>: A text label which can be added to the marker. The default is the empty string, indicating no marker label.
<boolean_occludable>: A boolean flag indicating whether the marker will be hidden by objects in front of it. The default is true !!!Note: In previous Celestia releases (version 1.5.1 and older), the marker was NOT hidden by objects in front of it, which is NOT the default in Celestia version and later !!!Note: Using <boolean_occludable> in Celestia version 1.5.1 and older, will result in a Celestia error !!!
objectname:mark( <colorstring>, <symbolstring>, <sizenumber>, <opacitynumber>, <labelstring>, <boolean_occludable> )
Summarized:
objectname = celestia:find( <string> )
objectname:mark( <colorstring>, <symbolstring>, <sizenumber>, <opacitynumber>, <labelstring>, <boolean_occludable> )
Example:The following example marks the Earth with a green "x" and () a label "This is our Earth", that will stay visible when objects pass in front of it.
CEL:
# In previous Celestia releases (version 1.5.1 and older).
mark { object "Sol/Earth" size 15 color [0 1 0] symbol "x" }
# In newer Celestia releases (version and later).
mark { object "Sol/Earth" size 15 color [0 1 0] symbol "x" label "This is our Earth" occludable false }
CELX with the celestia:mark() method not completely compatible:
-- This example will NOT meet the required size, color and symbol !!!
objectname = celestia:find("Sol/Earth")
celestia:mark(objectname)
CELX with the object:mark() method:
-- In previous Celestia releases (version 1.4.1 and older).
objectname = celestia:find("Sol/Earth")
objectname:mark("green", "x", 15.0, 1)
-- In previous Celestia releases (version and 1.5.1).
objectname = celestia:find("Sol/Earth")
objectname:mark("green", "x", 15.0, 1, "This is our Earth" )
-- In newer Celestia releases (version and later).
objectname = celestia:find("Sol/Earth")
objectname:mark("green", "x", 15.0, 1, "This is our Earth", false)
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