isNull method
Returns true
if this Envelope
is a "null"
envelope.
@return true
if this Envelope
is uninitialized
or is the envelope of the empty geometry.
Implementation
bool isNull() {
return _maxx < _minx;
}
Returns true
if this Envelope
is a "null"
envelope.
@return true
if this Envelope
is uninitialized
or is the envelope of the empty geometry.
bool isNull() {
return _maxx < _minx;
}