public void OnThumbnailSummary(SummaryEventArgs e)
{
if (this.ThumbnailSummary != null)
{
this.ThumbnailSummary(this, e);
}
}
public void Execute()
{
try {
// Create new spatial reference
ISpatialReference spatialReference = null;
if (this.SRef.ToLowerInvariant().Contains("projcs"))
{
spatialReference = new ProjectedCoordinateSystemClass();
}
else
{
spatialReference = new GeographicCoordinateSystemClass();
}
// Import SpatialReference Definition
int bytes2;
IESRISpatialReferenceGEN2 gen = (IESRISpatialReferenceGEN2)spatialReference;
gen.ImportFromESRISpatialReference(this.SRef, out bytes2);
// Create Search Extent
IEnvelope extent = new EnvelopeClass();
extent.PutCoords(this.XMin, this.YMin, this.XMax, this.YMax);
extent.SpatialReference = spatialReference;
// Open Saved Layer File
ILayerFile layerFile = new LayerFileClass();
layerFile.Open(this.Path);
ILayer layer = layerFile.Layer;
layerFile.Close();
// Where clause and list of selected OIDs
string where = string.Empty;
List <int> ids = new List <int>();
IImageServerLayer imageLayer = null;
if (layer is IImageServerLayer)
{
imageLayer = (IImageServerLayer)layer;
// Get Selection Set
IFeatureLayerDefinition definition = layer as IFeatureLayerDefinition;
if (definition != null)
{
// Find Selected OIDs
if (definition.DefinitionSelectionSet != null)
{
if (definition.DefinitionSelectionSet.Count > 0)
{
IEnumIDs emumids = definition.DefinitionSelectionSet.IDs;
int id = emumids.Next();
while (id != -1)
{
ids.Add(id);
id = emumids.Next();
}
}
}
// Update Where Clause
if (!string.IsNullOrEmpty(definition.DefinitionExpression))
{
where = definition.DefinitionExpression;
}
}
}
else if (layer is IMosaicLayer)
{
IMosaicLayer mosaicLayer = (IMosaicLayer)layer;
imageLayer = mosaicLayer.PreviewLayer;
ITableDefinition tableDefinition = mosaicLayer as ITableDefinition;
if (tableDefinition != null)
{
// Find Selected OIDs
if (tableDefinition.DefinitionSelectionSet != null)
{
if (tableDefinition.DefinitionSelectionSet.Count > 0)
{
IEnumIDs emumids = tableDefinition.DefinitionSelectionSet.IDs;
int id = emumids.Next();
while (id != -1)
{
ids.Add(id);
id = emumids.Next();
}
}
}
// Update Where Clause
if (!string.IsNullOrEmpty(tableDefinition.DefinitionExpression))
{
where = tableDefinition.DefinitionExpression;
}
}
}
// Use FeatureSelected (if any)
IFeatureSelection featureSelection = imageLayer as IFeatureSelection;
if (featureSelection != null)
{
if (featureSelection.SelectionSet != null)
{
if (featureSelection.SelectionSet.Count > 0)
{
IEnumIDs emumids = featureSelection.SelectionSet.IDs;
int id = emumids.Next();
while (id != -1)
{
ids.Add(id);
id = emumids.Next();
}
}
}
}
// Get Bands
ILongArray bands = new LongArrayClass();
IRasterRenderer rasterRenderer = imageLayer.Renderer;
if (rasterRenderer != null)
{
IRasterRGBRenderer2 rasterRGBRenderer = rasterRenderer as IRasterRGBRenderer2;
if (rasterRGBRenderer != null)
{
bands.Add(rasterRGBRenderer.UseRedBand ? rasterRGBRenderer.RedBandIndex : -1);
bands.Add(rasterRGBRenderer.UseGreenBand ? rasterRGBRenderer.GreenBandIndex : -1);
bands.Add(rasterRGBRenderer.UseBlueBand ? rasterRGBRenderer.BlueBandIndex : -1);
bands.Add(rasterRGBRenderer.UseAlphaBand ? rasterRGBRenderer.AlphaBandIndex : -1);
}
}
// Create Spatial Filter
ISpatialFilter spatialFilter = new SpatialFilterClass()
{
Geometry = extent,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects,
WhereClause = where
};
IImageServer imageServer = imageLayer.DataSource as IImageServer;
if (imageServer == null)
{
return;
}
IImageServer3 imageServer3 = imageServer as IImageServer3;
if (imageServer3 == null)
{
return;
}
IRecordSet recordSet = imageServer3.GetCatalogItems(spatialFilter);
ICursor cursor = recordSet.get_Cursor(false);
IFeatureCursor featureCursor = (IFeatureCursor)cursor;
IFeature feature = featureCursor.NextFeature();
List <IFeature> list = new List <IFeature>();
int indexCategory = featureCursor.FindField("Category");
while (feature != null)
{
// Exclude non-primary images (no overviews)
if (indexCategory != -1)
{
int cat = (int)feature.get_Value(indexCategory);
if (cat != 1)
{
feature = featureCursor.NextFeature();
continue;
}
}
// Exclude unselected features
if (ids.Count > 0)
{
int oid = feature.OID;
if (!ids.Contains(oid))
{
feature = featureCursor.NextFeature();
continue;
}
}
list.Add(feature);
feature = featureCursor.NextFeature();
}
// If nothing, fire event then exit
if (list.Count == 0)
{
this.OnThumbnailSummary(new SummaryEventArgs());
return;
}
// Get Full Extent of Features
SummaryEventArgs summary = new SummaryEventArgs()
{
XMin = list.Min(f => f.Shape.Envelope.CloneProject(spatialReference).XMin),
YMin = list.Min(f => f.Shape.Envelope.CloneProject(spatialReference).YMin),
XMax = list.Max(f => f.Shape.Envelope.CloneProject(spatialReference).XMax),
YMax = list.Max(f => f.Shape.Envelope.CloneProject(spatialReference).YMax),
Count = list.Count
};
// Add Fields
IFields fields = featureCursor.Fields;
for (int i = 0; i < fields.FieldCount; i++)
{
IField field = fields.get_Field(i);
switch (field.Type)
{
case esriFieldType.esriFieldTypeBlob:
case esriFieldType.esriFieldTypeGeometry:
case esriFieldType.esriFieldTypeGlobalID:
case esriFieldType.esriFieldTypeGUID:
case esriFieldType.esriFieldTypeRaster:
case esriFieldType.esriFieldTypeXML:
break;
case esriFieldType.esriFieldTypeOID:
case esriFieldType.esriFieldTypeDate:
case esriFieldType.esriFieldTypeDouble:
case esriFieldType.esriFieldTypeInteger:
case esriFieldType.esriFieldTypeSingle:
case esriFieldType.esriFieldTypeSmallInteger:
case esriFieldType.esriFieldTypeString:
summary.Fields.Add(
new Field()
{
Name = field.Name,
Alias = field.AliasName,
Type = field.Type
}
);
break;
default:
break;
}
}
// Raise Summary Event
this.OnThumbnailSummary(summary);
// Loop for each feature
foreach (IFeature feat in list)
{
// Project Extent to Current Map Spatial Reference
IEnvelope extentMap = feat.Shape.Envelope.CloneProject(spatialReference);
int width;
int height;
if (extentMap.Width > extentMap.Height)
{
width = this.MaxImageSize;
height = Convert.ToInt32((double)this.MaxImageSize * (double)extentMap.Height / (double)extentMap.Width);
}
else
{
width = Convert.ToInt32((double)this.MaxImageSize * (double)extentMap.Width / (double)extentMap.Height);
height = this.MaxImageSize;
}
IMosaicRule mosaicRule = new MosaicRuleClass()
{
MosaicMethod = esriMosaicMethod.esriMosaicLockRaster,
LockRasterID = feat.OID.ToString()
};
IGeoImageDescription geoImageDescription = new GeoImageDescriptionClass()
{
BandSelection = bands.Count > 0 ? bands : null,
MosaicRule = mosaicRule,
Compression = "PNG",
Width = width,
Height = height,
SpatialReference = spatialReference,
Extent = extentMap,
Interpolation = rstResamplingTypes.RSP_BilinearInterpolation,
};
// Assembly MosaicRequest (will be executed in background thread)
MosaicRequest mosaicRequest = new MosaicRequest()
{
MosaicExtractor = this,
ImageServer = imageServer3,
GeoImageDescription = geoImageDescription,
XMin = extentMap.XMin,
YMin = extentMap.YMin,
XMax = extentMap.XMax,
YMax = extentMap.YMax,
};
// Add Attributes Names and Values
foreach (Field field in summary.Fields)
{
int index = feat.Fields.FindField(field.Name);
if (index < 0)
{
continue;
}
mosaicRequest.Attributes.Add(field.Name, feat.get_Value(index));
}
// Start Mosaic Request in Background Thread
Thread thread = new Thread(new ThreadStart(mosaicRequest.Execute));
MosaicEnvironment.Default.Threads.Add(thread);
thread.Start();
}
}
catch { }
}
public void Execute()
{
try {
// Create new spatial reference
ISpatialReference spatialReference = null;
if (this.SRef.ToLowerInvariant().Contains("projcs")) {
spatialReference = new ProjectedCoordinateSystemClass();
}
else {
spatialReference = new GeographicCoordinateSystemClass();
}
// Import SpatialReference Definition
int bytes2;
IESRISpatialReferenceGEN2 gen = (IESRISpatialReferenceGEN2)spatialReference;
gen.ImportFromESRISpatialReference(this.SRef, out bytes2);
// Create Search Extent
IEnvelope extent = new EnvelopeClass();
extent.PutCoords(this.XMin, this.YMin, this.XMax, this.YMax);
extent.SpatialReference = spatialReference;
// Open Saved Layer File
ILayerFile layerFile = new LayerFileClass();
layerFile.Open(this.Path);
ILayer layer = layerFile.Layer;
layerFile.Close();
// Where clause and list of selected OIDs
string where = string.Empty;
List<int> ids = new List<int>();
IImageServerLayer imageLayer = null;
if (layer is IImageServerLayer) {
imageLayer = (IImageServerLayer)layer;
// Get Selection Set
IFeatureLayerDefinition definition = layer as IFeatureLayerDefinition;
if (definition != null) {
// Find Selected OIDs
if (definition.DefinitionSelectionSet != null) {
if (definition.DefinitionSelectionSet.Count > 0) {
IEnumIDs emumids = definition.DefinitionSelectionSet.IDs;
int id = emumids.Next();
while (id != -1) {
ids.Add(id);
id = emumids.Next();
}
}
}
// Update Where Clause
if (!string.IsNullOrEmpty(definition.DefinitionExpression)) {
where = definition.DefinitionExpression;
}
}
}
else if (layer is IMosaicLayer) {
IMosaicLayer mosaicLayer = (IMosaicLayer)layer;
imageLayer = mosaicLayer.PreviewLayer;
ITableDefinition tableDefinition = mosaicLayer as ITableDefinition;
if (tableDefinition != null) {
// Find Selected OIDs
if (tableDefinition.DefinitionSelectionSet != null) {
if (tableDefinition.DefinitionSelectionSet.Count > 0) {
IEnumIDs emumids = tableDefinition.DefinitionSelectionSet.IDs;
int id = emumids.Next();
while (id != -1) {
ids.Add(id);
id = emumids.Next();
}
}
}
// Update Where Clause
if (!string.IsNullOrEmpty(tableDefinition.DefinitionExpression)) {
where = tableDefinition.DefinitionExpression;
}
}
}
// Use FeatureSelected (if any)
IFeatureSelection featureSelection = imageLayer as IFeatureSelection;
if (featureSelection != null) {
if (featureSelection.SelectionSet != null) {
if (featureSelection.SelectionSet.Count > 0) {
IEnumIDs emumids = featureSelection.SelectionSet.IDs;
int id = emumids.Next();
while (id != -1) {
ids.Add(id);
id = emumids.Next();
}
}
}
}
// Get Bands
ILongArray bands = new LongArrayClass();
IRasterRenderer rasterRenderer = imageLayer.Renderer;
if (rasterRenderer != null) {
IRasterRGBRenderer2 rasterRGBRenderer = rasterRenderer as IRasterRGBRenderer2;
if (rasterRGBRenderer != null) {
bands.Add(rasterRGBRenderer.UseRedBand ? rasterRGBRenderer.RedBandIndex : -1);
bands.Add(rasterRGBRenderer.UseGreenBand ? rasterRGBRenderer.GreenBandIndex : -1);
bands.Add(rasterRGBRenderer.UseBlueBand ? rasterRGBRenderer.BlueBandIndex : -1);
bands.Add(rasterRGBRenderer.UseAlphaBand ? rasterRGBRenderer.AlphaBandIndex : -1);
}
}
// Create Spatial Filter
ISpatialFilter spatialFilter = new SpatialFilterClass() {
Geometry = extent,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects,
WhereClause = where
};
IImageServer imageServer = imageLayer.DataSource as IImageServer;
if (imageServer == null) { return; }
IImageServer3 imageServer3 = imageServer as IImageServer3;
if (imageServer3 == null) { return; }
IRecordSet recordSet = imageServer3.GetCatalogItems(spatialFilter);
ICursor cursor = recordSet.get_Cursor(false);
IFeatureCursor featureCursor = (IFeatureCursor)cursor;
IFeature feature = featureCursor.NextFeature();
List<IFeature> list = new List<IFeature>();
int indexCategory = featureCursor.FindField("Category");
while (feature != null) {
// Exclude non-primary images (no overviews)
if (indexCategory != -1) {
int cat = (int)feature.get_Value(indexCategory);
if (cat != 1) {
feature = featureCursor.NextFeature();
continue;
}
}
// Exclude unselected features
if (ids.Count > 0) {
int oid = feature.OID;
if (!ids.Contains(oid)) {
feature = featureCursor.NextFeature();
continue;
}
}
list.Add(feature);
feature = featureCursor.NextFeature();
}
// If nothing, fire event then exit
if (list.Count == 0) {
this.OnThumbnailSummary(new SummaryEventArgs());
return;
}
// Get Full Extent of Features
SummaryEventArgs summary = new SummaryEventArgs() {
XMin = list.Min(f => f.Shape.Envelope.CloneProject(spatialReference).XMin),
YMin = list.Min(f => f.Shape.Envelope.CloneProject(spatialReference).YMin),
XMax = list.Max(f => f.Shape.Envelope.CloneProject(spatialReference).XMax),
YMax = list.Max(f => f.Shape.Envelope.CloneProject(spatialReference).YMax),
Count = list.Count
};
// Add Fields
IFields fields = featureCursor.Fields;
for (int i = 0; i < fields.FieldCount; i++) {
IField field = fields.get_Field(i);
switch (field.Type) {
case esriFieldType.esriFieldTypeBlob:
case esriFieldType.esriFieldTypeGeometry:
case esriFieldType.esriFieldTypeGlobalID:
case esriFieldType.esriFieldTypeGUID:
case esriFieldType.esriFieldTypeRaster:
case esriFieldType.esriFieldTypeXML:
break;
case esriFieldType.esriFieldTypeOID:
case esriFieldType.esriFieldTypeDate:
case esriFieldType.esriFieldTypeDouble:
case esriFieldType.esriFieldTypeInteger:
case esriFieldType.esriFieldTypeSingle:
case esriFieldType.esriFieldTypeSmallInteger:
case esriFieldType.esriFieldTypeString:
summary.Fields.Add(
new Field() {
Name = field.Name,
Alias = field.AliasName,
Type = field.Type
}
);
break;
default:
break;
}
}
// Raise Summary Event
this.OnThumbnailSummary(summary);
// Loop for each feature
foreach (IFeature feat in list) {
// Project Extent to Current Map Spatial Reference
IEnvelope extentMap = feat.Shape.Envelope.CloneProject(spatialReference);
int width;
int height;
if (extentMap.Width > extentMap.Height) {
width = this.MaxImageSize;
height = Convert.ToInt32((double)this.MaxImageSize * (double)extentMap.Height / (double)extentMap.Width);
}
else {
width = Convert.ToInt32((double)this.MaxImageSize * (double)extentMap.Width / (double)extentMap.Height);
height = this.MaxImageSize;
}
IMosaicRule mosaicRule = new MosaicRuleClass() {
MosaicMethod = esriMosaicMethod.esriMosaicLockRaster,
LockRasterID = feat.OID.ToString()
};
IGeoImageDescription geoImageDescription = new GeoImageDescriptionClass() {
BandSelection = bands.Count > 0 ? bands : null,
MosaicRule = mosaicRule,
Compression = "PNG",
Width = width,
Height = height,
SpatialReference = spatialReference,
Extent = extentMap,
Interpolation = rstResamplingTypes.RSP_BilinearInterpolation,
};
// Assembly MosaicRequest (will be executed in background thread)
MosaicRequest mosaicRequest = new MosaicRequest() {
MosaicExtractor = this,
ImageServer = imageServer3,
GeoImageDescription = geoImageDescription,
XMin = extentMap.XMin,
YMin = extentMap.YMin,
XMax = extentMap.XMax,
YMax = extentMap.YMax,
};
// Add Attributes Names and Values
foreach (Field field in summary.Fields) {
int index = feat.Fields.FindField(field.Name);
if (index < 0) { continue; }
mosaicRequest.Attributes.Add(field.Name, feat.get_Value(index));
}
// Start Mosaic Request in Background Thread
Thread thread = new Thread(new ThreadStart(mosaicRequest.Execute));
MosaicEnvironment.Default.Threads.Add(thread);
thread.Start();
}
}
catch { }
}
public void OnThumbnailSummary(SummaryEventArgs e)
{
if (this.ThumbnailSummary != null) {
this.ThumbnailSummary(this, e);
}
}