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FGDB and working with it.

DavidMrázek

Hi,
is there any way to select all FC and datasets from FileGDB? I would like to extract all elements from the path to .gdb and add them to the list. Is it possible?

Thank you
David

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Accepted answers

Aashis

You can call GetDefinitions for individual dataset types:

var fcDefinitions = geodatabase.GetDefinitions<FeatureClassDefinition>();
var tableDefinitions = geodatabase.GetDefinitions<TableDefinition>();
var datasetDefinitions = geodatabase.GetDefinitions<FeatureDatasetDefinition>();
.....
// Similar for other dataset types

// Loop through the results
foreach (var definition in datasetDefinitions)
{
Console.WriteLine(definition.GetName() + "=>" + definition.DatasetType);

definition.Dispose();

}

All comments

DavidMrázek

Thank you very much !!!

Aashis

This snippet shows you the path differences in feature datasets and feature classes.

You can get the path using featureClass.GetPath().

var fcName = featureClassDef.GetName();
using (var fc = geodatabase.OpenDataset<FeatureClass>(fcName))
{
  FeatureDataset featureDataset = fc.GetFeatureDataset();
  if(featureDataset !=null)
  {
   // do something with feature class inside feature dataset
  }
  
  var path = fc.GetPath();
  LayerFactory.Instance.CreateLayer(path, MapView.Active.Map);
}

To filter the feature classes only inside the feature dataset you can use geodatabase.GetRelatedDefinitions() method.

foreach (var featureDatasetDef in featureDatasetDefinitions)
{
 IReadOnlyList<Definition> datasetsInFeatureDataset = geodatabase.GetRelatedDefinitions(featureDatasetDef, DefinitionRelationshipType.DatasetInFeatureDataset);
 foreach(Definition datsetInFeatureDataset in datasetsInFeatureDataset)
 {
  if(datsetInFeatureDataset.DatasetType == DatasetType.FeatureClass)
  {
	using (FeatureClassDefinition featureClassDefinition = datsetInFeatureDataset as FeatureClassDefinition) 
	{
	  var fcName = featureClassDefinition.GetName();
	  using (var fc = geodatabase.OpenDataset<FeatureClass>(fcName))
	  {
		var path = fc.GetPath();
		LayerFactory.Instance.CreateLayer(path, MapView.Active.Map, layerName:$"From Dataset{fcName}");
	  }
	}              
   }
  }
}

DavidMrázek

Just a question, I'm trying to make Layers out of it, but I don't know how to put it together to select FeatureClass and FeatureDataset.

 var seznamFeateruLayer = new List<FeatureLayer>();
                    Geodatabase geodatabase =
                        new Geodatabase(
                            new FileGeodatabaseConnectionPath(
                                new Uri(_cesta))); //C:\Users\mrazekd\Documents\ArcGIS\Projects\test\test.gdb
                    var fcDefinice = geodatabase.GetDefinitions<FeatureClassDefinition>();
                    var datasetDefinice = geodatabase.GetDefinitions<FeatureDatasetDefinition>();
                    if (datasetDefinice.Count != 0)
                    {
                        foreach (var definition in datasetDefinice)
                        {
                            var jmenoFcDataset = definition.GetName();
                            var url = _cesta + @"\" + jmenoFcDataset;
                            Uri uri = new Uri(url);
                            await QueuedTask.Run(() => LayerFactory.Instance.CreateLayer(uri, mapView.Map));
                            if (fcDefinice.Count != 0)
                            {
                                foreach (var definice in fcDefinice)
                                {
                                    var jmenoFc = definice.GetName();
                                    if ()//I don't know how to separate the two here
                                    {
                                        var urlFc = _cesta + @"\" + jmenoFc;
                                        Uri uriFc = new Uri(urlFc);
                                        await QueuedTask.Run(() => LayerFactory.Instance.CreateLayer(uriFc, mapView.Map));
                                    }
                                    FeatureLayer featureLayerJmeno =
                                        mapView.Map.FindLayers(jmenoFc).First() as FeatureLayer;
                                    seznamFeateruLayer.Add(featureLayerJmeno);
                                }
                            }
                        }
                    }

DavidMrázek

Thank you very much that's it 🙂

Aashis

You can call GetDefinitions for individual dataset types:

// Loop through the results
foreach (var definition in datasetDefinitions)
{
Console.WriteLine(definition.GetName() + "=>" + definition.DatasetType);

definition.Dispose();

}

GKmieliauskas

Hi,

Look here:

https://community.esri.com/t5/arcgis-pro-sdk-questions/how-do-i-get-all-of-the-tablenames-from-the-fgdb/m-p/1156733#M7960

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