fn label_angle(&mut self, label_angle: f32) -> &mut Self {
        if label_angle < -180.0 {
            self.add_validation_error(
                "labelangle",
                "Must be greater than or equal to -180",
            )
        }
        self.add_attribute("labelangle", AttributeText::from(label_angle))
    }
/// Determines, along with labeldistance, where the headlabel / taillabel are
/// placed with respect to the head / tail in polar coordinates.
/// The origin in the coordinate system is the point where the edge touches the node.
/// The ray of 0 degrees goes from the origin back along the edge, parallel to the edge at the origin.
/// The angle, in degrees, specifies the rotation from the 0 degree ray,
/// with positive angles moving counterclockwise and negative angles moving clockwise.
/// default: -25.0, minimum: -180.0
Determines, along with labeldistance, where the headlabel / taillabel are
placed with respect to the head / tail in polar coordinates.
The origin in the coordinate system is the point where the edge touches the node.
The ray of 0 degrees goes from the origin back along the edge, parallel to the edge at the origin.
The angle, in degrees, specifies the rotation from the 0 degree ray,
with positive angles moving counterclockwise and negative angles moving clockwise.
Determines along with labeldistance where the headlabel / taillabel are placed with respect to the head / tail in polar coordinates . The origin in the coordinate system is the point where the edge touches the node . The ray of 0 degrees goes from the origin back along the edge parallel to the edge at the origin . The angle in degrees specifies the rotation from the 0 degree ray with positive angles moving counterclockwise and negative angles moving clockwise .
fn label_angle(&mut self, label_angle: f32) -> &mut Self {
        if label_angle < -180.0 {
            self.add_validation_error(
                "labelangle",
                "Must be greater than or equal to -180",
            )
        }
        self.add_attribute("labelangle", AttributeText::from(label_angle))
    }
fn label_angle ( & mut self , label_angle : f32 ) -> & mut Self { if label_angle < - 180.0 { self . add_validation_error ( " " , " " , ) } self . add_attribute ( " " , AttributeText :: from ( label_angle ) ) }
Determines, along with labeldistance, where the headlabel / taillabel are
placed with respect to the head / tail in polar coordinates.
Determines along with labeldistance where the headlabel / taillabel are placed with respect to the head / tail in polar coordinates .
&mut self
label_angle
f32
&mut self
label_angle
f32