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Defining Colours

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Defining Colours

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Last UpdatedJan 13, 2023
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Keywords

COLOUR ACTIVE CE VISIBLE AIDS

Description

These commands allow colours to be defined so that the status of different types of item in the display may be distinguished by means of colour. The colours used have default settings, but these may be redefined.

The colours may be assigned by using the COLOUR command to define the Red-Green-Blue mix for a colour number or to assign a predefined colour mix by name. PARAGON allows the use of 100 user-definable colours, plus some specific ones which are assigned to items which need to be readily distinguishable in the display.

Definitions

The Active colour is used for the Catalog component being worked on (the significant element, for example, ELBO, VALV). If the current element is a geometric primitive, the active colour is used for all primitives owned by the significant element except the current primitive.
The CE colour is used for the element currently being accessed (i.e. the element highlighted in the Members list). This may be either a primitive or a significant element.
The Visible colour is used for any element in the display other than those to which the active or CE colours apply.
The Active and Visible elements together constitute the Draw List.

The predefined colour mixes which you may specify by name are as follows:

Colour	Red	Green	Blue
black	0	0	0
white	100	100	100
whitesmoke	96	96	96
ivory	93	93	88
grey	66	66	66
lightgrey	75	75	75
darkgrey	32	55	55
darkslate	18	31	31
red	80	0	0
brightred	100	0	0
coralred	80	36	27
tomato	100	39	28
plum	55	40	55
deeppink	93	7	54
pink	80	57	62
salmon	98	50	44
orange	93	60	0
brightorange	100	65	0
orangered	100	50	0
maroon	56	14	42
yellow	80	80	0
gold	93	79	20
lightyellow	93	93	82
lightgold	93	91	67
yellowgreen	60	80	20
springgreen	0	100	50
green	0	80	0
forestgreen	14	56	14
darkgreen	18	31	18
cyan	0	93	93
turquoise	0	75	80
aquamarine	46	93	78
blue	0	0	80
royalblue	28	46	100
navyblue	0	0	50
powderblue	69	88	90
midnight	18	18	31
steelblue	28	51	71
indigo	20	0	40
mauve	40	0	60
violet	93	51	93
magenta	87	0	87
beige	96	96	86
wheat	96	87	70
tan	86	58	44
sandybrown	96	65	37
brown	80	17	17
khaki	62	62	37
chocolate	93	46	13
darkbrown	55	27	8

The default colour assignments are:

Colour No	Colour
Current element	yellow
Visible elements	lightgrey
1	grey
2	red
3	orange
4	yellow
5	green
6	cyan
7	blue
8	violet
9	brown
10	white
11	pink
12	mauve
13	turquoise
14	indigo
15	black
16	magenta

Examples

COL 5 DARKGREEN	Colour 5 will be changed to dark green
COL 3 MIX RED 50 GRE 50 BLU 5	Colour 3 will change to the specified mix of red, green and blue
COL VISIBLE BRIGHTRED	Sets the colour for displaying components to bright red

Note:
When colours are mixed in their Red, Green and Blue constituents, the command line must contain values for all three constituents in the correct order. The numbers entered for the relative proportions of the basic colours must each be in the range 0-100, but they are not percentages of the overall colour and so do not need to add up to 100.

Command Syntax

>-- COLour -+- integer -.
            |           |
            |- ACTIVE --|
            |           |
            |- CE ------|
            |           |
            ‘- VISIble -+- colour_name -->
                        |
                        ‘- MIX RED integer GREen integer BLUe integer -->

where colour_name is the name of any of the predefined colour mixes listed above.

Querying

>-- Q COLour --+-- integer -----.
               |                |
               |-- ACTIVE ------|
               |                |
               |-- CE ----------|
               |                |
               ‘-- VISIble -----+-->

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