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h2. Name

zap --- Zap (or snap) to data

h2. Syntax
{code:|borderStyle=solid|borderWidth=1|bgColor=#ffffaa}

zap _WorkspaceGrid_ [dif]

{code}

h2. Description

Snap points to a grid. The points are given the value of the surface in the XY-position of the point. 

h2. Arguments

_WorkspaceGrid_ 

{indent} This is the name of the grid dataset in Workspace
{indent}

*dif* [kop]

{indent} The difference (or vertical distance) between the original z-value of a point and the surface is put in the scalars. 
{indent}

*kop*

{indent} Keep the original z-values of the points when using the dif argument.
{indent}

h2. See also

[agr - Adjust grid], [cut]