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# PetscDualSpaceGetAllData
Get all quadrature nodes from this space, and the matrix that sends quadrature node values to degree-of-freedom values
## Synopsis
```
#include "petscfe.h"
PetscErrorCode PetscDualSpaceGetAllData(PetscDualSpace sp, PetscQuadrature *allNodes, Mat *allMat)
```
## Input Parameter
- ***sp -*** The dualspace
## Output Parameters
- ***allNodes -*** A `PetscQuadrature` object containing all evaluation nodes
- ***allMat -*** A `Mat` for the node-to-dof transformation
## See Also
`PetscQuadrature`, `PetscDualSpace`, `PetscDualSpaceCreate()`, `Mat`
## Level
advanced
## Location
src/dm/dt/dualspace/interface/dualspace.c
## Examples
src/dm/dt/dualspace/impls/lagrange/tutorials/ex1.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/dualspace/interface/dualspace.c)
[Index of all DUALSPACE routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)