# TSTrajectorySetFromOptions
Sets various `TSTrajectory` parameters from user options. 
## Synopsis
```
#include "petscts.h"  
PetscErrorCode TSTrajectorySetFromOptions(TSTrajectory tj, TS ts)
```
Collective


## Input Parameters

- ***tj -*** the `TSTrajectory` context obtained from `TSGetTrajectory()`
- ***ts -*** the `TS` context



## Options Database Keys

- ***-ts_trajectory_type <type> -*** basic, memory, singlefile, visualization
- ***-ts_trajectory_keep_files <true,false> -*** keep the files generated by the code after the program ends. This is true by default for singlefile and visualization
- ***-ts_trajectory_monitor -*** print `TSTrajectory` information





## Note
This is not normally called directly by users


## See Also
 [](chapter_ts), `TSTrajectory`, `TSSetSaveTrajectory()`, `TSTrajectorySetUp()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/trajectory/interface/traj.c.html#TSTrajectorySetFromOptions">src/ts/trajectory/interface/traj.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/trajectory/impls/basic/trajbasic.c.html#TSTrajectorySetFromOptions_Basic">TSTrajectorySetFromOptions_Basic in src/ts/trajectory/impls/basic/trajbasic.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/trajectory/impls/memory/trajmemory.c.html#TSTrajectorySetFromOptions_Memory">TSTrajectorySetFromOptions_Memory in src/ts/trajectory/impls/memory/trajmemory.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ts/trajectory/interface/traj.c)


[Index of all TS routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
