private void SimplifyAllFeatures()
{
UpdatingTaskProgressEventArgs args = null;
var features = GetFeaturesFromTempFile().ToArray();
int index = 1;
int count = features.Count();
SimplificationType simType = SimplificationType.DouglasPeucker;
if (preserveTopology)
{
simType = SimplificationType.TopologyPreserving;
}
Collection <Feature> simplifiedFeatures = new Collection <Feature>();
foreach (Feature feature in features)
{
try
{
var shape = feature.GetShape();
var areaShape = shape as AreaBaseShape;
var lineShape = shape as LineBaseShape;
BaseShape simplifiedShape = null;
if (areaShape != null)
{
if (selectedDistanceUnit == "Decimal Degrees")
{
simplifiedShape = areaShape.Simplify(simplificationTolerance, simType);
}
else
{
simplifiedShape = areaShape.Simplify(mapUnit, simplificationTolerance, (DistanceUnit)converter.ConvertBack(selectedDistanceUnit, null, null, null), simType);
}
}
else if (lineShape != null)
{
if (selectedDistanceUnit == "Decimal Degrees")
{
simplifiedShape = lineShape.Simplify(simplificationTolerance, simType);
}
else
{
simplifiedShape = lineShape.Simplify(mapUnit, simplificationTolerance, (DistanceUnit)converter.ConvertBack(selectedDistanceUnit, null, null, null), simType);
}
}
if (simplifiedShape != null)
{
Feature newFeature = new Feature(simplifiedShape.GetWellKnownBinary(), feature.Id, feature.ColumnValues);
newFeature.Tag = feature.Tag;
simplifiedFeatures.Add(newFeature);
}
}
catch (Exception ex)
{
args = new UpdatingTaskProgressEventArgs(TaskState.Error);
args.Message = feature.Id;
args.Error = new ExceptionInfo(ex.Message, ex.StackTrace, ex.Source);
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
OnUpdatingProgress(args);
continue;
}
var progressPercentage = index * 100 / count;
args = new UpdatingTaskProgressEventArgs(TaskState.Updating, progressPercentage);
args.Current = index;
args.UpperBound = count;
OnUpdatingProgress(args);
isCanceled = args.TaskState == TaskState.Canceled;
if (isCanceled)
{
break;
}
index++;
}
if (!isCanceled)
{
args = new UpdatingTaskProgressEventArgs(TaskState.Updating);
args.Message = "Creating File";
OnUpdatingProgress(args);
FileExportInfo info = new FileExportInfo(simplifiedFeatures, GetColumns(), outputPathFileName, displayProjectionParameters);
Export(info);
}
//args = new UpdatingProgressLongRunningTaskPluginEventArgs(LongRunningTaskState.Completed);
//args.Message = "Finished";
//OnUpdatingProgress(args);
}
protected override void RunCore(Dictionary <string, string> parameters)
{
bool allParametersValid = ParseParameters(parameters);
if (allParametersValid)
{
UpdatingProgressLongRunningTaskPluginEventArgs args = null;
var features = GetFeaturesFromTempFile().ToArray();
int index = 1;
int count = features.Count();
SimplificationType simType = SimplificationType.DouglasPeucker;
if (preserveTopology)
{
simType = SimplificationType.TopologyPreserving;
}
Collection <Feature> simplifiedFeatures = new Collection <Feature>();
foreach (Feature feature in features)
{
try
{
var shape = feature.GetShape();
var areaShape = shape as AreaBaseShape;
var lineShape = shape as LineBaseShape;
BaseShape simplifiedShape = null;
if (areaShape != null)
{
if (selectedDistanceUnit == "Decimal Degrees")
{
simplifiedShape = areaShape.Simplify(simplificationTolerance, simType);
}
else
{
simplifiedShape = areaShape.Simplify(mapUnit, simplificationTolerance, (DistanceUnit)converter.ConvertBack(selectedDistanceUnit, null, null, null), simType);
}
}
else if (lineShape != null)
{
if (selectedDistanceUnit == "Decimal Degrees")
{
simplifiedShape = lineShape.Simplify(simplificationTolerance, simType);
}
else
{
simplifiedShape = lineShape.Simplify(mapUnit, simplificationTolerance, (DistanceUnit)converter.ConvertBack(selectedDistanceUnit, null, null, null), simType);
}
}
if (simplifiedShape != null)
{
Feature newFeature = new Feature(simplifiedShape.GetWellKnownBinary(), feature.Id, feature.ColumnValues);
newFeature.Tag = feature.Tag;
simplifiedFeatures.Add(newFeature);
}
}
catch (Exception ex)
{
args = new UpdatingProgressLongRunningTaskPluginEventArgs(LongRunningTaskState.Error);
args.Message = feature.Id;
args.ExceptionInfo = new LongRunningTaskExceptionInfo(ex.Message, ex.StackTrace);
OnUpdatingProgress(args);
}
args = new UpdatingProgressLongRunningTaskPluginEventArgs(LongRunningTaskState.Updating);
args.Current = index * 100 / count;
OnUpdatingProgress(args);
index++;
}
args = new UpdatingProgressLongRunningTaskPluginEventArgs(LongRunningTaskState.Updating);
args.Message = "Creating File";
OnUpdatingProgress(args);
Output(simplifiedFeatures);
args = new UpdatingProgressLongRunningTaskPluginEventArgs(LongRunningTaskState.Updating);
args.Message = "Finished";
OnUpdatingProgress(args);
}
else
{
//report error and return.
}
}
