/// <summary>
/// This builds the _drawnStates based on the current label scheme.
/// </summary>
public virtual void CreateLabels()
{
if (FeatureSet != null)
{
if (FeatureSet.IndexMode)
{
CreateIndexedLabels();
return;
}
}
DrawnStates = new Dictionary <IFeature, LabelDrawState>();
if (FeatureSet == null)
{
return;
}
//DataTable dt = _featureSet.DataTable; // if working correctly, this should auto-populate
if (Symbology == null)
{
return;
}
foreach (ILabelCategory category in Symbology.Categories)
{
List <IFeature> features;
if (!string.IsNullOrWhiteSpace(category.FilterExpression))
{
features = FeatureSet.SelectByAttribute(category.FilterExpression);
}
else
{
features = FeatureSet.Features.ToList();
}
foreach (IFeature feature in features)
{
if (DrawnStates.ContainsKey(feature))
{
DrawnStates[feature] = new LabelDrawState(category);
}
else
{
DrawnStates.Add(feature, new LabelDrawState(category));
}
}
}
}
private IFeatureSet CorrectFeatures(IFeatureSet featureSet)
{
IFeatureSet corFeatureSet = featureSet;
List <int> corList = new List <int>();
for (int i = 0; i < featureSet.ShapeIndices.Count; i++)
{
try
{
IFeature feature = featureSet.GetFeature(i);
IFeatureSet reFeatureSet = new FeatureSet();
reFeatureSet.Features.Add(feature);
//有待检验能否检测出其他异常
reFeatureSet.SelectByAttribute("");
corList.Add(i);
}
catch
{
//featureSet.Features.RemoveAt(i);
}
}
corFeatureSet = corFeatureSet.CopySubset(corList);
return(corFeatureSet);
}
/// <summary>
/// This builds the _drawnStates based on the current label scheme.
/// </summary>
public virtual void CreateLabels()
{
if (FeatureSet != null && FeatureSet.IndexMode)
{
CreateIndexedLabels();
return;
}
DrawnStates = new Dictionary <IFeature, LabelDrawState>();
if (FeatureSet == null || Symbology == null)
{
return;
}
foreach (ILabelCategory category in Symbology.Categories)
{
List <IFeature> features = !string.IsNullOrWhiteSpace(category.FilterExpression) ? FeatureSet.SelectByAttribute(category.FilterExpression) : FeatureSet.Features.ToList();
foreach (IFeature feature in features)
{
if (DrawnStates.ContainsKey(feature))
{
DrawnStates[feature] = new LabelDrawState(category);
}
else
{
DrawnStates.Add(feature, new LabelDrawState(category));
}
}
}
}