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iPOGO V5 Help Manual On-Line |
Group: |
1) Bearing Comps |
Methodology | |
| Command: | -1 |
| Alpha Alias: | -Locate Dir |
| Description: | Computes points from the same point by bearing and distance |
| Data Format: | -1 Set From Bearing Distance {[Bearing Distance] ...}; |
| Problem: | Given point 19. Set sideshot point 20 at North 65°11'10" East, 75.01 feet; sideshot point 21 at North 85°12'00", 70.00 feet; and sideshot point 22 at South 60°00'00" East, 72.10 feet. |
| Solution: | -1 20 19 -1 65 11 10 75.01
-1 85 12 0 70.0
-2 60 0 0 72.1 ; |
Data Description
| Command | -1 | Computes by bearing and distance one or more points from the same previously computed point. Computes and stores each pair of coordinates and their point number as the command processes. |
| Set | 20 | Point number to be assigned to the first set of coordinates you want to compute. |
| From | 19 | Previously stored point number from which the coordinates are to be computed. |
| Bearing | -1 65 11 10 | Direction of the line on which the point is to be computed. Bearings may be entered using point definition. |
| Distance | 75.01 | Length of the line from the known point to the point which is to be computed. |
| {[Bearing
Distance] [Bearing Distance]...} | -1 85 12 00
70.00 -2 60 00 00 72.10 | Repeating feature of this command. Subsequent points will be set from the point specified as your From value. The subsequent point numbers are automatically assigned and ordered as designated by the Set point. If the Set point is entered as a positive number, the subsequent points will be numbered in increasing order. If you enter a negative number, the following points will be numbered in decreasing order. |
| End Command | ; | All commands end with ; (semi-colon) |
Example Command File
$ Example data set for -1 (-LOCATE DIR) command.
$ Setup initial point.
0
19 1000 1000 ;
$ Set points 20, 21, 22 with the -1 command.
-1 20 19
-1,65,11,10 75.01
-1,85,12,00 70.00
-2,60,00,00 72.10 ;
$ Setup plotting parameters
$ feature, layer, color, style, thickness
15.1 TL TESTLINE 7 1 1;
$ turn plot on
91;
$ activate the feature code
15 TL;
$ Draw lines between point 19
$ and the other 3 points.
8 1 19 20 21 22 ;