:orphan:
# PetscDrawArrow
draws a line with arrow head at end if the line is long enough
## Synopsis
```
#include "petscdraw.h"
PetscErrorCode PetscDrawArrow(PetscDraw draw, PetscReal xl, PetscReal yl, PetscReal xr, PetscReal yr, int cl)
```
Not Collective
## Input Parameters
- ***draw -*** the drawing context
- ***xl -*** horizontal coordinate of first end point
- ***yl -*** vertical coordinate of first end point
- ***xr -*** horizontal coordinate of second end point
- ***yr -*** vertical coordinate of second end point
- ***cl -*** the colors of the endpoints
## See Also
`PetscDraw`, `PetscDrawLine()`, `PetscDrawLineSetWidth()`, `PetscDrawLineGetWidth()`, `PetscDrawRectangle()`, `PetscDrawTriangle()`, `PetscDrawEllipse()`,
`PetscDrawMarker()`, `PetscDrawPoint()`
## Level
beginner
## Location
src/sys/classes/draw/interface/dline.c
## Implementations
PetscDrawArrow_Image in src/sys/classes/draw/impls/image/drawimage.c
PetscDrawArrow_Null in src/sys/classes/draw/impls/null/drawnull.c
PetscDrawArrow_X in src/sys/classes/draw/impls/x/xops.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/draw/interface/dline.c)
[Index of all Draw routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)