private void statisticsToolStripMenuItem_Click(object sender, EventArgs e)
{
try
{
int intDeciPlaces = 3;
m_pSnippet.CalculateDesStat((IFeatureLayer)m_pLayer, m_strFldName, intDeciPlaces);
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return;
}
}
private void btnSummary_Click(object sender, EventArgs e)
{
try
{
REngine pEngine = mForm.pEngine;
int intDeciPlaces = 3;
string strLayerName = cboTargetLayer.Text;
string strFieldName = cboFieldName.Text;
bool blnChkSelected = chkUseSelected.Checked;
if (strLayerName == "" || strFieldName == "")
{
MessageBox.Show("Please select a layer and field");
return;
}
int intLIndex = pSnippet.GetIndexNumberFromLayerName(pActiveView, strLayerName);
if (intLIndex == -1)
{
MessageBox.Show("Please select a proper layer");
return;
}
ILayer pLayer = mForm.axMapControl1.get_Layer(intLIndex);
IFeatureLayer pFLayer = (IFeatureLayer)pLayer;
pSnippet.CalculateDesStat(pFLayer, strFieldName, intDeciPlaces);
//The funtion below is moved to Snippet! 012616 HK
//IFeatureCursor pFCursor = null;
//IFeatureSelection pFeatureSelection = pFLayer as IFeatureSelection;
//intNFeatureCount = pFeatureSelection.SelectionSet.Count;
//if (intNFeatureCount > 0 && blnChkSelected == true)
//{
// ICursor pCursor = null;
// pFeatureSelection.SelectionSet.Search(null, true, out pCursor);
// pFCursor = (IFeatureCursor)pCursor;
//}
//else if (intNFeatureCount == 0 && blnChkSelected == true)
//{
// MessageBox.Show("Select at least one feature");
// return;
//}
//else
//{
// pFCursor = pFLayer.Search(null, true);
// intNFeatureCount = pFLayer.FeatureClass.FeatureCount(null);
//}
//IFeature pFeature = pFCursor.NextFeature();
//int intFieldIdx = pFLayer.FeatureClass.Fields.FindField(strFieldName);
//double[] arrValue = new double[intNFeatureCount];
//int i = 0;
//while (pFeature != null)
//{
// arrValue[i] = Convert.ToDouble(pFeature.get_Value(intFieldIdx));
// i++;
// pFeature = pFCursor.NextFeature();
//}
////IDataStatistics pDataStat = new DataStatisticsClass();
////pDataStat.Field = strFieldName;
////pDataStat.Cursor = (ICursor)pFCursor;
////IStatisticsResults pStatResults = pDataStat.Statistics;
//string strDecimalPlaces = "N" + intDeciPlaces.ToString();
//string[] strResults = new string[8];
//strResults[0] = "Count: " + intNFeatureCount.ToString();
//strResults[1] = "Minimum: " + Math.Round(arrValue.Min(), intDeciPlaces).ToString();
//strResults[2] = "Maximum: " + Math.Round(arrValue.Max(), intDeciPlaces).ToString();
//strResults[3] = "Sum: " + Math.Round(arrValue.Sum(), intDeciPlaces).ToString();
//strResults[4] = "Mean: " + Math.Round(arrValue.Average(), intDeciPlaces).ToString();
//strResults[5] = "Standard deviation: " + Math.Round(CalSDfromArray(arrValue), intDeciPlaces).ToString();
//double[] medianIQR = new double[2];
//medianIQR = getMedian_IQR(arrValue);
//strResults[6] = "Median: " + Math.Round(medianIQR[0], intDeciPlaces).ToString();
//strResults[7] = "IQR: " + Math.Round(medianIQR[1], intDeciPlaces).ToString();
//frmGenResult pfrmResult = new frmGenResult();
//pfrmResult.Text = "Descriptive statistics of " + strLayerName;
//pfrmResult.txtField.Text = strFieldName;
//pfrmResult.txtStatistics.Lines = strResults;
//pfrmResult.Show();
//Using R.net: is not used from 012316 HK
//double[] arrValue = new double[intNFeatureCount];
//int i = 0;
//while (pFeature != null)
//{
// arrValue[i] = Convert.ToDouble(pFeature.get_Value(intFieldIdx));
// i++;
// pFeature = pFCursor.NextFeature();
//}
//NumericVector vecValue = pEngine.CreateNumericVector(arrValue);
//pEngine.SetSymbol(strFieldName, vecValue);
//double dblMean = pEngine.Evaluate("mean(" + strFieldName + ")").AsNumeric().First();
//NumericVector nvMedian = pEngine.Evaluate("median(" + strFieldName + ")").AsNumeric();
//NumericVector nvSd = pEngine.Evaluate("sd(" + strFieldName + ")").AsNumeric();
////NumericVector nvSkew = pEngine.Evaluate("skewness(" + strFieldName + ")").AsNumeric();
////NumericVector nvKur = pEngine.Evaluate("kurtosis(" + strFieldName + ")").AsNumeric();
//NumericVector nvIQR = pEngine.Evaluate("IQR(" + strFieldName + ")").AsNumeric();
//MessageBox.Show("Mean: " + Math.Round(dblMean, 2).ToString() + "\n"
// + "Median: " + Math.Round(nvMedian[0], 2).ToString() + "\n"
// + "SD: " + Math.Round(nvSd[0], 2).ToString() + "\n"
// //+ "skewness:" + Math.Round(nvSkew[0], 2).ToString() + "\n"
// //+ "kurtosis:" + Math.Round(nvKur[0], 2).ToString() + "\n"
// + "IQR: " + Math.Round(nvIQR[0], 2).ToString() + "\n");
// string strDecimalPlaces = "N" + intDeciPlaces.ToString();
//string[] strResults = new string[6];
//strResults[0] = "Count: " + intNFeatureCount.ToString();
//strResults[1] = "Minimum: " + arrValue.Min().ToString();
//strResults[2] = "Maximum: " + arrValue.Max().ToString();
//strResults[1] = "Sum: " + arrValue.Sum().ToString();
//strResults[1] = "Mean: " + arrValue.Average().ToString();
}
catch (Exception ex)
{
frmErrorLog pfrmErrorLog = new frmErrorLog(); pfrmErrorLog.ex = ex; pfrmErrorLog.ShowDialog();
return;
}
}