/* method: getYMax of class GeoExtent */
static int tolua_Lua_ScriptEngine_tolua_GeoExtent_getYMax00(lua_State* tolua_S)
{
#ifndef TOLUA_RELEASE
tolua_Error tolua_err;
if (
!tolua_isusertype(tolua_S,1,"GeoExtent",0,&tolua_err) ||
!tolua_isnoobj(tolua_S,2,&tolua_err)
)
goto tolua_lerror;
else
#endif
{
GeoExtent* self = (GeoExtent*) tolua_tousertype(tolua_S,1,0);
#ifndef TOLUA_RELEASE
if (!self) tolua_error(tolua_S,"invalid 'self' in function 'getYMax'",NULL);
#endif
{
double tolua_ret = (double) self->getYMax();
tolua_pushnumber(tolua_S,(double)tolua_ret);
}
}
return 1;
#ifndef TOLUA_RELEASE
tolua_lerror:
tolua_error(tolua_S,"#ferror in function 'getYMax'.",&tolua_err);
return 0;
#endif
}
// Calculates a sub-extent of a larger extent, given the number of children and
// the child number. This currently assumes the subdivision ordering used by
// VirtualPlanetBuilder.
GeoExtent
TerrainUtils::getSubExtent(const GeoExtent& extent,
int num_children,
int child_no)
{
GeoPoint centroid = extent.getCentroid();
GeoExtent sub_extent;
switch( num_children )
{
case 0:
case 1:
sub_extent = extent;
break;
case 2:
if ( child_no == 0 )
{
sub_extent = GeoExtent(
extent.getXMin(),
extent.getYMin(),
centroid.x(),
extent.getYMax(),
extent.getSRS() );
}
else
{
sub_extent = GeoExtent(
centroid.x(),
extent.getYMin(),
extent.getXMax(),
extent.getYMax(),
extent.getSRS() );
}
break;
case 4:
if ( child_no == 2 )
{
sub_extent = GeoExtent(
extent.getXMin(),
centroid.y(),
centroid.x(),
extent.getYMax(),
extent.getSRS() );
}
else if ( child_no == 3 )
{
sub_extent = GeoExtent(
centroid.x(),
centroid.y(),
extent.getXMax(),
extent.getYMax(),
extent.getSRS() );
}
else if ( child_no == 0 )
{
sub_extent = GeoExtent(
extent.getXMin(),
extent.getYMin(),
centroid.x(),
centroid.y(),
extent.getSRS() );
}
else if ( child_no == 1 )
{
sub_extent = GeoExtent(
centroid.x(),
extent.getYMin(),
extent.getXMax(),
centroid.y(),
extent.getSRS() );
}
}
return sub_extent;
}
