private void ProxyCreateRandom()
{
// Default sample size
int pSample = 25;
var mSelectedLayer = ExtFunctions.GetSelectedLayer(theMap);
IFeatureLayer mLayer = null;
if (mSelectedLayer == null || !(mSelectedLayer is IFeatureLayer))
{
this.Log("No feature layer selected, please select a layer and try again.");
return;
}
mLayer = (IFeatureLayer)mSelectedLayer;
var mFrmInputBox = new frmInputBox("Specify size of sample", "Please specify number of items to be included in the output file", pSample);
if (DialogResult.OK == mFrmInputBox.ShowDialog())
{
if (mFrmInputBox.GetAsInteger() != null)
{
pSample = (int)mFrmInputBox.GetAsInteger();
Utilities.LogDebug("Using specified sample size: " + pSample);
}
else if (mFrmInputBox.GetAsPercent() != null)
{
int mPercentage = (int)mFrmInputBox.GetAsPercent();
IFeatureSet mFeatureSet = mLayer.DataSet;
pSample = (int)Math.Floor(((double)mPercentage * (double)mFeatureSet.NumRows()) / 100);
Utilities.LogDebug("Using " + mPercentage + "% : " + pSample);
}
else
{
Utilities.LogDebug("Using default sample size: " + pSample);
}
this.Log(pSample.ToString());
if (pSample > 0)
{
var mRndFeatureSet = ExtFunctions.CreateRandomSelection(mLayer, pSample);
if (mRndFeatureSet == null)
{
Utilities.LogDebug("Creation of random selection layer failed");
return;
}
var mLayer2 = (IFeatureLayer)ExtFunctions.GetFeatureLayer(theMap.Layers, mRndFeatureSet, mLayer.LegendText + " : random", ExtFunctions.CopyLayerSymbolizer(mLayer), mLayer.Projection);
ExtFunctions.AddLabelsForFeatureLayer(mLayer2, "Address unit numbers", "#[ADDRESSUNITNR], [ROADNAME_EN]", GoogleMapsColors.BoundaryMajor);
}
}
}