CHAX, CHAY (label grid cells horizontally or vertically)
These two commands label grid cells horizontally (CHAX) or vertically (CHAY) using alphanumeric characters 1,2,3,... or A,B,C,....
Command syntax:
CHAX refp,x1,y1,x2,y2,asep,side,orient,im,toffs,alphanum att,height,width,space,slant,font |
CHAY refp,x1,y1,x2,y2,asep,side,orient,im,toffs,alphanum att,height,width,space,slant,font |
Command Parameters:
refp |
Defines the rectangular area relative to this reference point. The default refers to point 0, the ground coordinate system. |
x1,y1 |
Location of bottom left-hand corner of area to annotate. The default is the plot window defined in the MDF file by the MDFF command. |
x2,y2 |
Location of upper right hand corner of area to annotate. The default is the plot window defined in the MDF file by the MDFF command. |
asep |
Separation between labeled points. Annotation will either start at x1 or at the first even multiple of asep (depending on the setting of im). By default, a reasonable value is chosen. This separation should be the same as the grid separation. |
side |
Side of area to annotate (bottom, top or both) |
-1 annotate bottom side only. |
|
0 annotate both top and bottom sides (Default). |
|
1 annotate top side only. |
|
orient |
Orientation of annotation |
-1 Annotate with tops of numbers pointing left. |
|
0 Annotate horizontally. (Default) |
|
1 Annotate with tops of numbers pointing right. |
|
im |
Annotation increment of asep |
0 Only even multiples of asep are annotated. |
|
1 Annotations start at x1. |
|
toffs |
Offset, in map units, from the border defined by y1,y2 at which to place the labels. The default is 0. |
alphanum |
Label type alpha or numeric |
0 Use of 1,2,3,... to label |
|
1 Use of A, B, C,... to label |
Sub-Command Parameters:
att |
Attribute for drawing annotations. The current attribute is used to draw ticks. |
height |
Character height in map units. (default 2.5mm) |
width |
Character width in map units. (default 2.5mm) |
space |
Character spacing in map units. (default 2.5mm) |
slant |
Slant of the characters in degrees from vertical. The default is the last slant specified. |
font |
Text font. |
See Also:
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