esri GDB API

抽空研究了下API，目前1.4版本，还不错。

记录下 

DatasetRelationshipTypes类型

-		DatasetRelationshipTypes	{string[18]}	string[]
		[0]	"SyncDatasetInSyncReplica"	string
		[1]	"ReplicaDatasetInReplica"	string
		[2]	"DatasetOfReplicaDataset"	string
		[3]	"FeatureClassInParcelFabric"	string
		[4]	"DatasetsRelatedThrough"	string
		[5]	"FeatureClassInTopology"	string
		[6]	"DatasetInFolder"	string
		[7]	"FeatureClassInGeometricNetwork"	string
		[8]	"FeatureClassInNetworkDataset"	string
		[9]	"FolderInFolder"	string
		[10]	"FeatureClassInTerrain"	string
		[11]	"DatasetOfSyncDataset"	string
		[12]	"TableInParcelFabric"	string
		[13]	"ItemInFolder"	string
		[14]	"RepresentationOfFeatureClass"	string
		[15]	"DomainInDataset"	string
		[16]	"DatasetInFeatureDataset"	string
		[17]	"TableInNetworkDataset"	string

　　DataSetTypes类型

-		DataSetTypes	{string[34]}	string[]
		[0]	"Network Dataset"	string
		[1]	"Mosaic Dataset"	string
		[2]	"Terrain"	string
		[3]	"Survey Dataset"	string
		[4]	"Dataset"	string
		[5]	"Extension Dataset"	string
		[6]	"Item"	string
		[7]	"Geometric Network"	string
		[8]	"Table"	string
		[9]	"Sync Replica"	string
		[10]	"Workspace"	string
		[11]	"Sync Dataset"	string
		[12]	"Resource"	string
		[13]	"Tin"	string
		[14]	"Feature Dataset"	string
		[15]	"Coded Value Domain"	string
		[16]	"Representation Class"	string
		[17]	"Replica Dataset"	string
		[18]	"Raster Dataset"	string
		[19]	"Historical Marker"	string
		[20]	"AbstractTable"	string
		[21]	"Catalog Dataset"	string
		[22]	"Range Domain"	string
		[23]	"Replica"	string
		[24]	"Feature Class"	string
		[25]	"Toolbox"	string
		[26]	"Topology"	string
		[27]	"Relationship Class"	string
		[28]	"Parcel Fabric"	string
		[29]	"Raster Catalog"	string
		[30]	"Schematic Dataset"	string
		[31]	"Workspace Extension"	string
		[32]	"Domain"	string
		[33]	"Folder"	string

　　demo代码如下

                string db = @"Z:\data\DK.gdb";
                Geodatabase geodatabase = Geodatabase.Open(@"Z:\data\DK.gdb");
                string[] pArrayDST = geodatabase.DataSetTypes;
                string[] pArrayDRT = geodatabase.DatasetRelationshipTypes;
                string[] pArrayFC = geodatabase.GetChildDatasets("\\", "Feature Class");
                string[] pArrayFD = geodatabase.GetChildDatasets("\\", "Feature Dataset");
                string[] pArrayFC2 = geodatabase.GetChildDatasets(pArrayFD[0], "Feature Class");

　　目前，对于字段别名有点问题，FieldDefs始终为null，至于FieldInformation中，没有字段别名。估计是漏掉了？

这个问题倒是好解决，做一张字段对照表，导出的时候就可以了。

看demo会发现，似乎esri对这个api采用的是py的路子，通过字符串进行识别，把gdb当作文件夹来操作。

而且对于创建表之类的采用了xml思路，如果不是偷懒，就是为了跨平台。