plarrowm
plot an arrow
| parameter | type | units | description |
|---|---|---|---|
| dx,dy | float | mm | displacement of the arrow |
| dptr | float | mm | length of the pointer |
| angs | float | degr | small angle of the pointer |
| angl | float | degr | large angle or the pointer |
| both | int | -- | if TRUE, both ends will have a pointer |
| open | int | -- | if TRUE, the pointer is open |
| filled | int | -- | if TRUE, the pointer is filled |
| perp | int | -- | if TRUE, text in the shaft is perpendicular to it |
| text | char* | -- | text in the middle of the shaft |
| returns: | void |