private void SetLatRangesAndCorrectEndpoint(string prjName, NameValuePair lat0, NameValuePair sp1, NameValuePair sp2)
{
if (prjName == "Lambert_Azimuthal_Equal_Area")
{
if (lat0.Value == 0)//赤道
{
_validLatRange.MinValue = -90f;
_validLatRange.MaxValue = 90f;
}
else if (lat0.Value == 90) //北极
{
_validLatRange.MinValue = 0;
_validLatRange.MaxValue = 90f;
}
else if (lat0.Value == -90)//南极
{
_validLatRange.MinValue = -90;
_validLatRange.MaxValue = 0f;
}
}
else
{
//if (sp1 != null && sp2 != null && !(Math.Abs(sp1.Value) < float.Epsilon && Math.Abs(sp2.Value) < float.Epsilon))
//{
// _validLatRange.MinValue =(float)sp1.Value;
// _validLatRange.MaxValue =(float)sp2.Value;
//}
//else
//{
_validLatRange.MinValue = -85f;
_validLatRange.MaxValue = 85;
//}
}
_validLatRange.MinValue = Math.Max(_validLatRange.MinValue, -90);
_validLatRange.MaxValue = Math.Min(_validLatRange.MaxValue, 90);
}
