Print Field Information of Feature Class Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Print Field Information of Feature Class

 static void displayFields(IFeatureClass featureClass) throws Exception {  
           IFields fields = featureClass.getFields();  
           IField field;  
           for (int i = 0; i < fields.getFieldCount(); i++) {  
                field = fields.getField(i);  
                displayFieldInformation(field);  
           }  
      }  
      static void displayFieldInformation(IField field) throws Exception {  
           // Physical name.  
           System.out.println("Name : " + field.getName());  
           // Alias name.  
           System.out.println("Alias Name : " + field.getAliasName());  
           // Field type.  
           String value = "";  
           switch (field.getType()) {  
           case esriFieldType.esriFieldTypeSmallInteger:  
                value = "Small Integer";  
                break;  
           case esriFieldType.esriFieldTypeInteger:  
                value = "Long Integer";  
                break;  
           case esriFieldType.esriFieldTypeSingle:  
                value = "Single-precision floating-point number";  
                break;  
           case esriFieldType.esriFieldTypeDouble:  
                value = "Double-precision floating-point number";  
                break;  
           case esriFieldType.esriFieldTypeString:  
                value = "Character string";  
                break;  
           case esriFieldType.esriFieldTypeDate:  
                value = "Date";  
                break;  
           case esriFieldType.esriFieldTypeOID:  
                value = "Long Integer representing an object identifier";  
                break;  
           case esriFieldType.esriFieldTypeGeometry:  
                value = "Geometry";  
                break;  
           case esriFieldType.esriFieldTypeBlob:  
                value = "Binary Large Object, Blob Storage";  
                break;  
           case esriFieldType.esriFieldTypeRaster:  
                value = "Raster";  
                break;  
           case esriFieldType.esriFieldTypeGUID:  
                value = "Globally Unique Identifier";  
                break;  
           case esriFieldType.esriFieldTypeGlobalID:  
                value = "ESRI Global ID";  
                break;  
           case esriFieldType.esriFieldTypeXML:  
                value = "XML Document";  
                break;  
           }  
           System.out.println("Type : " + value);  
           // Field length—this is only valid for fields of Type  
           // esriFieldTypeString.  
           System.out.println("Length : " + field.getLength());  
           // Field precision.  
           System.out.println("Precision : " + field.getPrecision());  
           // Field scale.  
           System.out.println("Scale : " + field.getScale());  
           // Editable.  
           System.out.println("Editable : " + field.isEditable());  
           // Default value.  
           System.out.println("Default Value : " + field.getDefaultValue());  
           IGeometryDef geomDef = field.getGeometryDef();  
           if (geomDef != null) {  
                System.out.println("GeometryDef Properties");  
                System.out.println("AvgNumPoints : " + geomDef.getAvgNumPoints());  
                System.out.println("Grid Count : " + geomDef.getGridCount());  
                for (int i = 0; i < geomDef.getGridCount(); i++) {  
                     System.out.println("Grid Size[" + i + "]="  
                               + geomDef.getGridSize(i));  
                }  
                System.out.println("Has Measures : " + geomDef.isHasM());  
                System.out.println("Has Z : " + geomDef.isHasZ());  
                System.out.println("Spatial Ref : "  
                          + geomDef.getSpatialReference().getName());  
           }  
           System.out.println("");  
      }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.

Print values of attributes in Feature Class Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Print values of attributes in Feature Class

      //Access values of attributes in fields  
      static void printDistinctFieldValueNames(IFeatureClass featureClass, String Condition)  
                throws Exception {  
           QueryFilter queryFilter = new QueryFilter();  
           #queryFilter.setWhereClause("Name='Ahmed'");  
           queryFilter.setWhereClause(Condition);  
           IFeatureCursor featureCursor = featureClass.search(queryFilter, true);  
           IFields fields = featureCursor.getFields();  
           int fieldCount = fields.getFieldCount();  
           for (int i = 0; i < fieldCount; i++) {  
                IField fieldI = fields.getField(i);  
                String fieldName = fieldI.getName();  
                System.out.print(fieldName + "\t");  
           }  
           System.out.println();  
           IFeature feature = featureCursor.nextFeature();  
           while (feature != null) {  
                StringBuffer row = new StringBuffer();  
                for (int i = 0; i < fieldCount; i++) {  
                     int fieldType = feature.getFields().getField(i).getType();  
                     switch (fieldType) {  
                     case esriFieldType.esriFieldTypeDate:  
                     case esriFieldType.esriFieldTypeDouble:  
                     case esriFieldType.esriFieldTypeGlobalID:  
                     case esriFieldType.esriFieldTypeGUID:  
                     case esriFieldType.esriFieldTypeInteger:  
                     case esriFieldType.esriFieldTypeOID:  
                     case esriFieldType.esriFieldTypeSingle:  
                     case esriFieldType.esriFieldTypeSmallInteger:  
                     case esriFieldType.esriFieldTypeString:  
                          row.append(feature.getValue(i) + "\t");  
                          break;  
                     case esriFieldType.esriFieldTypeBlob:  
                          row.append("(blob)" + "\t");  
                          break;  
                     case esriFieldType.esriFieldTypeGeometry:  
                          row.append("(geometry)" + "\t");  
                          break;  
                     case esriFieldType.esriFieldTypeRaster:  
                          row.append("(raster)" + "\t");  
                          break;  
                     }  
                }  
                if (row.length() > 0) {  
                     System.out.println(row);  
                }  
                feature = featureCursor.nextFeature();  
           }  
      }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.

Print values of selected features in Feature Class Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Print values of selected features in Feature Class

 // display values of selected features in shape file (file system)  
      static void getselectedfeaturesvalueShp(IApplication app) {  
           IMxDocument mxDoc;  
           try {  
                mxDoc = (IMxDocument) app.getDocument();  
                int count = mxDoc.getActiveView().getFocusMap().getLayerCount();  
                for (int layerno = 0; layerno < count; layerno++) {  
                     if (mxDoc.getActiveView().getFocusMap().getLayer(layerno).isVisible()) {  
                          System.out.println("Layer " + layerno + " visible");  
                     }  
                }  
                Map map = (Map) mxDoc.getMaps().getItem(0);  
                MapSelection mapSelection = new MapSelection(map.getFeatureSelection());  
                mapSelection.reset();  
                IFeature feature = mapSelection.next();  
                while (feature != null) {  
                     int oid = (int) feature.getOID();  
                     System.out.println("OID of Selected feature = " + oid);  
                     int fieldcount = feature.getTable().getRow(oid).getFields().getFieldCount();  
                     System.out.println(" fieldcount = " + fieldcount);  
                     for (int q=0; q<fieldcount; q++){  
                          System.out.println("Field Name = "+ feature.getTable().getFields().getField(q).getName());  
                          System.out.println("Field Value = "+ feature.getTable().getRow(oid).getValue(q));  
                     }  
                     feature = mapSelection.next();       
                     System.out.println("***");                      
                }  
           } catch (AutomationException e) {  
                // TODO Auto-generated catch block  
                e.printStackTrace();  
           } catch (IOException e) {  
                // TODO Auto-generated catch block  
                e.printStackTrace();  
           }  
      }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.

Print Field Names and Field Properties of Feature Class Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Print Field Names of Shapefile, Feature Class

 // display field properties of each field in detail  
 static void displayFieldProperties(IFeatureClass featureClass)  
           throws Exception {  
      // Get the fields collection for the feature class.  
      IFields fields = featureClass.getFields();  
      IField field = null;  
      for (int i = 0; i < fields.getFieldCount(); i++) {  
           field = fields.getField(i);  
           // Get the standard field properties.  
           System.out.println("Name: " + field.getName());  
           System.out.println("Alias: " + field.getAliasName());  
           System.out.println("Type: " + field.getType());  
           System.out.println("VarType: " + field.getVarType());  
           System.out.println("Default Value: " + field.getDefaultValue());  
           System.out.println("Length: " + field.getLength());  
           System.out.println("Precision: " + field.getPrecision());  
           System.out.println("Scale: " + field.getScale());  
           System.out.println("Is Editable: " + field.isEditable());  
           System.out.println("Is Nullable: " + field.isNullable());  
           System.out.println("Is Required: " + field.isRequired());  
           // Check if the field is the shape field.  
           if (field.getType() == esriFieldType.esriFieldTypeGeometry) {  
                IGeometryDef geometryDef = field.getGeometryDef();  
                System.out.println("Geometry Type: "  
                          + geometryDef.getGeometryType());  
                System.out.println("Has M Values: " + geometryDef.isHasM());  
                System.out.println("Has Z Values: " + geometryDef.isHasZ());  
           }  
           // Insert an empty line for readability.  
           System.out.println();  
      }  
 }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.

Print Field Names of Shapefile Feature Class Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Print Field Names of Shapefile, Feature Class

 // printDistinctFieldAliasNames work with shape file  
 static void printDistinctFieldAliasNames(IFeatureClass featureClass)  
           throws Exception {  
      // get the Fields collection from the feature class  
      IFields fields = featureClass.getFields();  
      IField field;  
      // on a zero based index iterate through the fields in the collection  
      for (int i = 0; i < fields.getFieldCount(); i++) {  
           // get the field at the given index  
           field = fields.getField(i);  
           System.out.println("field.getName() = " + field.getName());  
           if (!field.getName().equals(field.getAliasName())) {  
                System.out  
                          .println(field.getName() + ":" + field.getAliasName());  
           }  
      }  
      IFeatureCursor featureCursor = featureClass.search(null, true);  
      IFields fields1 = featureCursor.getFields();  
      System.out.println("fields1 = " + fields1);  
      int fieldCount = fields1.getFieldCount();  
      System.out.println("fieldCount = " + fieldCount);  
      for (int i = 0; i < fieldCount; i++) {  
           IField fieldI = fields1.getField(i);  
           String fieldName = fieldI.getName();  
           System.out.print(fieldName + "\t");  
      }  
      System.out.println();  
 }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.

Create Fields Collection Esri ArcObjects Snippets - Series

Esri ArcObjects Snippets - Series

Create Fields Collection

 // create field collection for table  
 public IFields createFieldsCollectionForTable() throws Exception {  
      // Create a new fields collection.  
      IFields fields = new Fields();  
      // Cast for IFieldsEdit to modify the properties of the fields  
      // collection.  
      IFieldsEdit fieldsEdit = (IFieldsEdit) fields;  
      // Set the FieldCount to the total number of fields to be created.  
      fieldsEdit.setFieldCount(2);  
      // Create the ObjectID field.  
      IField fieldUserDefined = new Field();  
      // Cast for IFieldEdit to modify the properties of the new field.  
      IFieldEdit fieldEdit = (IFieldEdit) fieldUserDefined;  
      fieldEdit.setAliasName("FID");  
      fieldEdit.setName("ObjectID");  
      fieldEdit.setType(esriFieldType.esriFieldTypeOID);  
      // Add the new field to the fields collection.  
      fieldsEdit.setFieldByRef(0, fieldUserDefined);  
      // Create the text field.  
      fieldUserDefined = new Field();  
      fieldEdit = (IFieldEdit) fieldUserDefined;  
      fieldEdit.setLength(30); // Only string fields require that you set the  
                                         // length.  
      fieldEdit.setName("Owner");  
      fieldEdit.setType(esriFieldType.esriFieldTypeString);  
      // Add the new field to the fields collection.  
      fieldsEdit.setFieldByRef(1, fieldUserDefined);  
      return fields;  
 }  

This code has been made using ESRI Resources and other Help Content and is provided here just for educational purpose.