private void CoordSystemForm_Shown(object sender, EventArgs e)
{
CadastralMapModel map = CadastralMapModel.Current;
ISpatialSystem sys = map.SpatialSystem;
systemNameLabel.Text = sys.Name;
epsgNumberLabel.Text = sys.EpsgNumber.ToString();
// Display mean elevation and geoid separation in the current data entry units.
EditingController ec = EditingController.Current;
DistanceUnit eUnit = ec.EntryUnit;
DistanceUnit meters = EditingController.GetUnits(DistanceUnitType.Meters);
// The mean elevation & geoid separation fields are always editable (even
// if the map contains stuff). The values are used to calculate the ground
// area of polygons.
Distance elev = new Distance(sys.MeanElevation.Meters, meters);
meanElevationTextBox.Text = elev.Format(eUnit, true);
Distance sep = new Distance(sys.GeoidSeparation.Meters, meters);
geoidSeparationTextBox.Text = sep.Format(eUnit, true);
}
/// <summary>
/// Initializes a new instance of the <see cref="Distance"/> class
/// using the data read from persistent storage.
/// </summary>
/// <param name="editDeserializer">The mechanism for reading back content.</param>
internal Distance(EditDeserializer editDeserializer)
{
double distance = editDeserializer.ReadDouble(DataField.Value);
DistanceUnitType unitType = (DistanceUnitType)editDeserializer.ReadByte(DataField.Unit);
m_EnteredUnit = EditingController.GetUnits(unitType);
m_ObservedMetric = m_EnteredUnit.ToMetric(distance);
if (editDeserializer.IsNextField(DataField.Fixed))
{
m_IsFixed = editDeserializer.ReadBool(DataField.Fixed);
}
else
{
m_IsFixed = false;
}
if (editDeserializer.IsNextField(DataField.Flipped))
{
IsAnnotationFlipped = editDeserializer.ReadBool(DataField.Flipped);
}
else
{
IsAnnotationFlipped = false;
}
}
void ShowResults(DistanceUnitType dunit)
{
DistanceUnit unit = EditingController.GetUnits(dunit);
lengthTextBox.Text = unit.Format(m_Length);
totalEnteredTextBox.Text = unit.Format(m_Entered);
lengthLeftTextBox.Text = unit.Format(m_Length - m_Entered);
}
void ShowResults(DistanceUnitType type)
{
DistanceUnit unit = EditingController.GetUnits(type);
if (unit == null)
{
return;
}
lengthLabel.Text = unit.Format(m_Length, false, -1);
deltaNorthingLabel.Text = unit.Format(m_DeltaN, false, -1);
deltaEastingLabel.Text = unit.Format(m_DeltaE, false, -1);
}
void SetUnit(DistanceUnitType type)
{
m_Unit = EditingController.GetUnits(type);
}
private void cRadioButton_CheckedChanged(object sender, EventArgs e)
{
m_Unit = EditingController.GetUnits(DistanceUnitType.Chains);
SetNewDefault();
}