#### GEOMETRY_SEED_COORDINATE

###### Geometries
*GEOMETRY_SEED_COORDINATE
"Optional title"
gid
$x$, $y$, $z$, $\alpha_c$, pid
##### Parameter definition
VariableDescription
gid Geometry identification number
$x$ x-coordinate
$y$ y-coordinate
$z$ z-coordinate
$\alpha_c$ Cut-off angle
default: $45^\circ$
pid Optional part ID
default: not used
##### Description

This command is used to define a surface from a seed coordinate. The surface propagates from the external element face nearest the given seed coordinate. $\alpha_c$ is the angle between two faces that defines the boundary of the surface (default $\alpha_c = 45^\circ$).