public final void perform(Command c) throws MyError {
int n = c.getArgumentNumber();
GeoElement[] arg;
switch (n) {
case 1:
arg = resArgs(c);
if (arg[0].isNumberValue()) {
GeoNumeric layerGeo = (GeoNumeric) arg[0];
int layer = (int) layerGeo.getDouble();
Iterator<GeoElement> it = kernelA.getConstruction().getGeoSetLabelOrder().iterator();
while (it.hasNext()) {
GeoElement geo = it.next();
if (geo.getLayer() == layer) {
geo.setEuclidianVisible(true);
geo.updateRepaint();
}
}
return;
} else throw argErr(app, c.getName(), null);
default:
throw argNumErr(app, c.getName(), n);
}
}
