/// <summary>
/// Populate the variables available from the selected site
/// layer, the polygon layer, and the selected polygons in
/// the map within this layer.
/// </summary>
private void populateVariables()
{
polygonData.Clear();
foreach (IFeature polygon in polygons.Features)
{
PolygonData data = new PolygonData();
data.polygon = polygon;
IMapPointLayer pointLayer = ((KeyValuePair <IMapPointLayer, string>)SiteList.SelectedItem).Key;
var features = pointLayer.DataSet.Features;
foreach (IFeature point in features)
{
if (point.Intersects(polygon))
{
SiteData siteData = new SiteData();
siteData.site = point;
foreach (var fld in point.ParentFeatureSet.GetColumns())
{
var getColumnValue = (Func <string, string>)(column => (point.DataRow[column].ToString()));
var strValue = getColumnValue(fld.ColumnName);
switch (fld.ColumnName)
{
case "SiteCode":
siteData.siteCode = strValue;
break;
case "VarCode":
siteData.variableCode = strValue;
break;
case "VarName":
siteData.variableName = strValue;
break;
}
}
data.sites.Add(siteData);
variables.Add(siteData.variableName);
}
}
polygonData.Add(data);
}
if (variables.Count > 0)
{
VariableList.DataSource = new BindingSource(variables, null);
}
}
/// <summary>
/// This function gets the data values.
/// </summary>
private DataTable getAverageTable(PolygonData polygon)
{
var query =
"SELECT DataValues.LocalDateTime, AVG(DataValues.DataValue) FROM DataValues"
+ " LEFT JOIN DataSeries ON DataValues.SeriesID == DataSeries.SeriesID"
+ " LEFT JOIN Variables ON DataSeries.VariableID == Variables.VariableID"
+ " WHERE DataValues.SeriesID IN ({0}) AND DataValues.DataValue != Variables.NoDataValue"
+ " GROUP BY DataValues.LocalDateTime";
var formatted = String.Format(query, String.Join(",", polygon.dataSeries.ToArray()));
DataTable result = dbOperations.LoadTable(formatted);
return(result);
}
/// <summary>
/// This function gets the serie's ids.
/// </summary>
private void getSeriesID(int siteID, int variableID, PolygonData polygon)
{
var query =
"SELECT SeriesID FROM DataSeries WHERE SiteID = '"
+ siteID + "'" +
"AND VariableID = '"
+ variableID + "'";
DataTable result = dbOperations.LoadTable(query);
foreach (DataRow row in result.Rows)
{
polygon.dataSeries.Add(Convert.ToInt32(row.ItemArray.First()));
}
}
/// <summary>
/// This function gets the time series (date - value)
/// </summary>
private Series getSeriesFromTable(PolygonData polygon)
{
DataTable averageTable = getAverageTable(polygon);
Series series = new Series();
series.Site = getSitesParameters(polygon);
var site = polygon.sites.Find(f => f.variableName == VariableList.SelectedValue.ToString());
series.Variable = getVariablesParameters(site.variableID);
series.CreationDateTime = DateTime.Now;
series.LastCheckedDateTime = DateTime.Now;
series.UpdateDateTime = DateTime.Now;
foreach (DataRow row in averageTable.Rows)
{
series.AddDataValue((DateTime)row["LocalDateTime"], (Double)row["AVG(DataValues.DataValue)"]);
}
return(series);
}
/// <summary>
/// This function gets the site information.
/// </summary>
private Site getSitesParameters(PolygonData polygon)
{
IFeature centroid = polygon.polygon.Centroid();
var newpoint = sitesPoints.AddFeature(centroid);
Site site = new Site();
var xy = new[] { centroid.Coordinates.First().X, centroid.Coordinates.First().Y };
String projectionString = "GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[" +
"\"WGS_1984\",6378137,298.257223562997]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.0174532925199433]]";
var _wgs84Projection = ProjectionInfo.FromEsriString(projectionString);
Reproject.ReprojectPoints(xy, new double[] { 0, 0 }, App.Map.Projection, _wgs84Projection, 0, 1);
int indexNumber = (polygonData.IndexOf(polygon) + 1);
site.Code = "CrwrAggregation:" + OutputResultName.Text + indexNumber.ToString();
newpoint.DataRow.BeginEdit();
newpoint.DataRow["SiteCode"] = site.Code.ToString();
newpoint.DataRow.EndEdit();
site.Name = OutputResultName.Text + indexNumber.ToString();
site.Latitude = xy[1];
site.Longitude = xy[0];
//site.Elevation_m = 12;
site.VerticalDatum = "Unkown";
//site.LocalX = 12;
//site.LocalY = 12;
//site.PosAccuracy_m = 12;
site.State = "";
site.County = "";
//site.Comments = "testing";
//site.Country = "Mexico";
//site.SiteType = "Type";
return(site);
}
