public override bool Run(ITaskHandle task)
{
var span = TimeSpan.FromSeconds(SecondsPerStep);
Log.Info(Name + ": start");
for (int i = 0; i < 100; i++)
{
Thread.Sleep(span);
int val = i;
task.CheckPauseAndCancel();
task.Progress.Update("Running...", val);
Log.Info("Running: " + i);
}
task.Progress.Clear();
Log.Info(Name + ": end");
return(true); // depends on the run in background check
}
/// <summary>
/// Runs the tool.
/// </summary>
public override bool Run(ITaskHandle task)
{
var fs = Input.Datasource;
var fsNew = fs.Clone(GeometryType.Point);
int lastPercent = 0;
var features = Input.Datasource.GetFeatures(Input.SelectedOnly);
for (int i = 0; i < features.Count; i++)
{
task.CheckPauseAndCancel();
task.Progress.TryUpdate("Calculating...", i, features.Count, ref lastPercent);
var gm = features[i].Geometry;
if (AllParts)
{
var list = gm.Explode();
foreach (var gmPart in list)
{
ProcessGeometry(gmPart, fs, i, fsNew);
}
}
else
{
ProcessGeometry(gm, fs, i, fsNew);
}
}
task.Progress.Clear();
Output.Result = fsNew;
return(true);
}
/// <summary>
/// Runs the tool.
/// </summary>
/// <returns>True on success, which closes the view</returns>
public override bool Run(ITaskHandle task)
{
Log.Debug("Creating {0} random points", NumPoints);
var extents = InputLayer.Datasource.Envelope;
var fs = new FeatureSet(GeometryType.Point);
fs.Projection.CopyFrom(InputLayer.Datasource.Projection);
var vector = InputLayer as IVectorInput;
if (vector != null && vector.SelectedOnly)
{
// Get the extent, taking into account selected shapes:
extents = vector.Datasource.GetSelectedExtents();
}
var random = new Random();
var lastPercent = 0;
for (int i = 0; i < NumPoints; i++)
{
task.CheckPauseAndCancel();
var x = extents.MinX + (extents.Width * random.NextDouble());
var y = extents.MinY + (extents.Height * random.NextDouble());
var feature = new Geometry(GeometryType.Point);
feature.Points.Add(new Coordinate(x, y));
fs.Features.EditAdd(feature);
task.Progress.TryUpdate("Running...", i, NumPoints, ref lastPercent);
}
task.Progress.Clear();
Log.Debug("New feature set has {0} features", fs.NumFeatures);
OutputLayer.Result = fs;
return(true);
}
/// <summary>
/// Performs the main calculation.
/// </summary>
private bool Calcualte(ITaskHandle task)
{
var fs = GetWgs84FeatureSet();
if (fs == null)
{
string proj = Input.Datasource.Projection.ExportToProj4();
Log.Warn("Failed to reproject datasource to WGS84: {0}", null, proj);
return(false);
}
var features = fs.GetFeatures(Input.SelectedOnly);
int lastPercent = 0;
var table = Input.Datasource.Table;
int fieldIndex = table.Fields.IndexByName(FieldName);
for (int i = 0; i < features.Count; i++)
{
task.CheckPauseAndCancel();
task.Progress.TryUpdate("Calculating...", i, features.Count, ref lastPercent);
var ft = features[i];
double area = GeodesicUtils.GeodesicArea(ft.Geometry);
area = UnitConversionHelper.Convert(AreaUnits.SquareMeters, Units, area);
table.EditCellValue(fieldIndex, ft.Index, area);
}
if (fs.InternalObject != Input.Datasource.InternalObject)
{
// it's a reprojected one
fs.Dispose();
}
return(true);
}
/// <summary>
/// Validates shapes and returns list of errors.
/// </summary>
private IEnumerable <ErrorInfo> GetErrors(IFeatureSet fs, ITaskHandle task)
{
int lastPercent = 0;
for (int i = 0; i < fs.NumFeatures; i++)
{
task.CheckPauseAndCancel();
task.Progress.TryUpdate("Calculating...", i, fs.NumFeatures, ref lastPercent);
var gm = fs.Features[i].Geometry;
if (!gm.IsValid)
{
var info = ValidationHelper.GetErrorInfo(fs, i, gm.IsValidReason);
Log.Info(info.Message);
yield return(info);
}
}
task.Progress.Clear();
}
/// <summary>
/// Runs the tool.
/// </summary>
public override bool Run(ITaskHandle task)
{
var fs = Input.Datasource;
var fsNew = fs.Clone(fs.GeometryType);
if (!TrySaveForAppendMode(Output, fsNew))
{
return(false);
}
var lastPercent = 0;
var features = Input.Datasource.GetFeatures(Input.SelectedOnly);
for (var i = 0; i < features.Count; i++)
{
task.CheckPauseAndCancel();
task.Progress.TryUpdate("Calculating...", i, features.Count, ref lastPercent);
var ft = features[i];
var gm = ft.Geometry.Clone(fs.GeometryType);
var shapeIndex = fsNew.Features.EditAdd(gm);
if (shapeIndex != -1)
{
fs.Table.CopyAttributes(ft.Index, fsNew.Table, shapeIndex);
}
}
task.Progress.Clear();
Output.Result = fsNew;
return(true);
}