public override bool MoveNext()
{
if (this._reader != null)
{
if (_reader.Read())
{
this.current = _reader.GetDouble(this._index);
return(true);
}
// To maintain 4.0 behavior we Dispose
// after reading to the end of the reader.
Dispose();
}
return(false);
}
public void Test_TestConstructor()
{
PrecisionModel pm = new PrecisionModel(100000, 0, 0);
GeometryFactory geometryFactory = new GeometryFactory(pm, -1);
string filename = Global.GetUnitTestRootDirectory() + @"\IO\Shapefile\Testfiles\statepop";
ShapefileDataReader shpDataReader = Geotools.IO.Shapefile.CreateDataReader(filename, geometryFactory);
int i = 0;
//for( i=0;i<shpDataReader.FieldCount;i++)
//{
// Console.WriteLine(i+" "+shpDataReader.GetName(i) +" " +shpDataReader.GetFieldType(i));
//}
Assertion.AssertEquals("Dbase header: Num records", 49, shpDataReader.RecordCount);
Assertion.AssertEquals("Dbase header: Num fields", 253, shpDataReader.FieldCount);
Assertion.AssertEquals("Field 1: name", "STATE_NAME", shpDataReader.GetName(1));
Assertion.AssertEquals("Field 1: name", typeof(string), shpDataReader.GetFieldType(1));
Assertion.AssertEquals("Field 252: name", "SAMP_POP", shpDataReader.GetName(252));
Assertion.AssertEquals("Field 252: name", typeof(double), shpDataReader.GetFieldType(252));
// note alaska and hawaii are missing - hence 48 states not 50.
i = 0;
foreach (object columnValues in shpDataReader)
{
if (columnValues == null)
{
Assertion.Fail("columnValues should not be null.");
}
if (i == 0)
{
Assertion.AssertEquals("Row1: STATE_NAME:", "Illinois", shpDataReader.GetString(1));
Assertion.AssertEquals("Row1: STATE_FIPS:", "17", shpDataReader.GetValue(2));
Assertion.AssertEquals("Row1: SAMP_POP", 1747776.0, shpDataReader.GetDouble(252));
}
if (i == 48)
{
Assertion.AssertEquals("Row1: STATE_NAME:", "Washington", shpDataReader.GetString(1));
Assertion.AssertEquals("Row1: STATE_FIPS:", "53", shpDataReader.GetValue(2));
Assertion.AssertEquals("Row1: SAMP_POP", 736744.0, shpDataReader.GetDouble(252));
}
i++;
}
Assertion.AssertEquals("49 Records", 49, i);
// try opening the file again, to make sure file is not locked from previous reader.
ShapefileDataReader shpDataReader2 = Geotools.IO.Shapefile.CreateDataReader(filename, geometryFactory);
i = 0;
while (shpDataReader2.Read())
{
if (i == 0)
{
Assertion.AssertEquals("Row1: STATE_NAME:", "Illinois", shpDataReader2.GetString(1));
Assertion.AssertEquals("Row1: STATE_FIPS:", "17", shpDataReader2.GetValue(2));
Assertion.AssertEquals("Row1: SAMP_POP", 1747776.0, shpDataReader2.GetDouble(252));
}
if (i == 48)
{
Assertion.AssertEquals("Row1: STATE_NAME:", "Washington", shpDataReader2.GetString(1));
Assertion.AssertEquals("Row1: STATE_FIPS:", "53", shpDataReader2.GetValue(2));
Assertion.AssertEquals("Row1: SAMP_POP", 736744.0, shpDataReader2.GetDouble(252));
}
i++;
}
Assertion.AssertEquals("49 Records", 49, i);
}
public double GetDouble(int i)
{
return(_shapeFileDataReader.GetDouble(i));
}