NAR3 (Plot a north arrow on a map)

The NAR3 command plots a north arrow on the map.

Command Syntax:

NAR3 refp,xoff,yoff,direc,length,att,incl,decl

att,height,width,space,slant,font 

Command Parametes:

refp

Reference point from which to refer the following offsets. The default is reference point 1.

xoff,yoff

Offsets in map units from the reference point at which to place the north arrow symbol. The default is the current att position.

direc

North direction in degrees clockwise from map Y direction. The default is 0 degrees.

length

Length of the north arrow. The default is 60 cm.

att

Attribute to use. The default is att 1.

incl

Inclination of the geomagnetic field vector in decimal degrees.

The label "inclination" can be changed to a different language by setting the desired translation in the Mapplot_Translations.csv file in your %USERPROFILE%\Documents\Geosoft\Desktop Applications \csv directory.

decl

Declination of the geomagnetic field vector in decimal degrees.

The label "declination" can be changed to a different language by setting the desired translation in the Mapplot_Translations.csv file in your %USERPROFILE%\Documents\Geosoft\Desktop Applications \csv directory.

Sub-Command Parameters:

This line can be used to set the text characteristics.

att

Attribute for text. (default 1)

height

Character height. (default 7% length)

width

Character width. (default 6% length)

space

Character spacing. (default 6% length)

slant

Slant of the characters in degrees from vertical. The default is the last slant specified.

font

Text font (default is current font). Refer to the FONT command for descriptions of the available fonts.

Example
MDFF m1

NAR3 3,-5,5,0,6,,17.0,12.5

Draws a 6 cm north arrow 5 cm left and 5 cm above the lower right corner of the map. The geomagnetic inclination and declination are annotated.

image\ebx_-535640332.jpg

The labels "Inclination" and "Declination" can be changed to a different language by setting the desired translation in the Mapplot_Translations.csv file in your %USERPROFILE%\Documents\Geosoft\Desktop Applications \csv directory.

  • This command is part of the MAPPLOT GX.