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Chapter 2 IGP Command Standards
Character Position.Dot Position (CP.DP) Format
The CP.DP format is a special parameter available with the IGP commands.
CP.DP format allows two elements plotted at nearly the same character
location to be offset to eliminate overlapping. Specifying starting and ending
rows and columns is its most frequent use.
Each character location is a cell. Each cell is a grid 12 dot rows high by 6 dot
columns wide (printing at 6 lpi and 10 cpi). The CP.DP format allows a
character cell position (CP) and a specific dot position (DP) within the cell to
be identified as shown in Figure 2. The DP portion of the CP.DP format
specifies a location down (in reference to rows) and to the right (in reference
to columns) within the character cell position.
For example, refer to Figure 2. Suppose a line runs along character position
column 13 (CP = 13). At the same time, an alphanumeric string must begin in
column 13. With CP.DP format, the alphanumeric string can be offset 2 dot
positions (DP = 2) in column 13 to avoid overlap. Specify 13.2 (CP = 13, DP=
.2) for the starting column of the alphanumeric string. Similarly, to place a
horizontal line 8 dot rows beneath another horizontal line in character row
position 11, specify row 11 for one line and row 11.8 for the other line.
Figure 2
. CP.DP Format Example
10.0
11.0
12.0
11.0 12.0
13.0
15.013.0 14.0
10.9
10.10
11.0
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
11.10
11.11
12.0
10.11
12.5
13.0
13.1
13.2
13.3
13.4
13.5
14.0
14.1
12.4