# Difference between revisions of "Snip calculate field value at point"

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− | + | The original question (as posten on [http://openfoam.cfd-online.com/forum/messages/1/438.html the Message board]) was: ''Given a position as (x,y,z), I want the u or p value in this point by using interpolation.'' | |

− | The original question (as posten on [ the Message board]) was: ''Given a position as (x,y,z), I want the u or p value in this point by using interpolation.'' | + | |

== Doing the interpolation by yourself == | == Doing the interpolation by yourself == |

## Revision as of 22:23, 7 June 2005

The original question (as posten on the Message board) was: *Given a position as (x,y,z), I want the u or p value in this point by using interpolation.*

## 1 Doing the interpolation by yourself

vector probePoint(x,y,z); label probeCell = mesh.findCell(probePoint); const labelList& probeCellNeighbours = mesh.cellCells()[probeCell]; forAll(probeCellNeighbours, cellI) { // Do your stuff }

## 2 Using OpenFOAM's interpolation classes

TODO