CIRC (Draw a Circle, Arc or Wedge)

Draws a circle, arc or wedge on the map by specifying the center of the circle, radius and enclosing angles. The center of the circle can be joined to the start and stop points on the circle to produce a wedge. The circle will be filled with colour if a fill colour is defined in the attribute used.

Command Syntax:

CIRC refp,x,y,radius,a1,a2,enclose,att,style,pitch

Command Parameters: 

refp

Reference point (0 - 11) from which to refer the following offsets. The default is reference point 0.

x,y

Location of the center of the circle relative to the reference point. The default is current att location.

radius

Circle radius. (No default — must be specified).

a1,a2

Angles to start and end of arc measured as degrees clockwise from the positive X axis. The default is 0,0, which produces a full circle.

enclose

Option to enclose the edges of the circle to make a pie shape:

0

circle center is not joined to arc (Default).

1

circle center is joined to end points or the arc.

att

Attribute to use.

style

Line style

1

Solid (Default).

2

long dashes.

3

dotted.

4

short dashes.

5

long/short/long dashes.

6

long/dot/long dash.

 

If the style is negative, then a smooth joining line is used. The default is a solid style, with a straight joining line (+1).

pitch

Patterned line pitch. The default is 1.0 cm.

Example
MDFF M1

CIRC 0,5000,5000,10

This will draw a circle with a radius of 10 units (ground units defined by the MDF) centred at ground location (5000,5000).

  • This command is part of the MAPPLOT GX.