507 lines
20 KiB
C#
507 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Security.Policy;
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using System.Text;
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using System.Threading.Tasks;
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using ArcGIS.Desktop.Catalog;
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using ArcGIS.Desktop.Core;
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using ArcGIS.Desktop.Framework;
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using System.Collections.ObjectModel;
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using ArcGIS.Core.Geometry;
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using ArcGIS.Core.Data;
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using ArcGIS.Desktop.Mapping;
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using ArcGIS.Core.Internal.CIM;
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namespace OliviaAddInPro.Helper
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{
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public static class HelperGdb
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{
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private static string out_str = string.Empty;
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public static string OutStr {
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get
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{
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string val = out_str;
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out_str = string.Empty; //lo borra cada vez que se consulta
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return val;
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}
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set { out_str = value; }
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}
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private static string texto_sal = string.Empty;
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public static string TextoSal
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{
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get {
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string val = texto_sal;
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texto_sal = string.Empty; //lo borra cada vez que se consulta
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return val; }
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set { texto_sal = value; }
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}
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[Flags]
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public enum TiposOpenFileDlg
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{
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OpenFtrClassLine=1,
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OpenFtrClassPoint=2,
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OpenFtrClassPolygon=4,
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OpenGdb=8,
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}
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private static void ReiniciaOutStr()
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{
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out_str = string.Empty;
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}
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//Dado el tipo de FtClass y una posición inicial abre un diálogo de búsqueda de ftclass
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//si se cancela o no es una feature class lo que se ha abierto devuelve null
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//si no, devuelve la featureclass directamente abierta
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public static FeatureClass OpenFtClassDialog(TiposOpenFileDlg tipo, string initialLoc = "")
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{
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FeatureClass fc = null;
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ReiniciaOutStr();
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string path = OpenFileDialog( tipo, initialLoc);
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if(!string.IsNullOrEmpty(path))
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{
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fc = GetFtClass(path);
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}
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return fc;
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}
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//Libera el objeto
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public static void Free(IDisposable obj)
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{
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if(obj!=null)
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obj.Dispose();
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}
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//Devuelve el Path del archivo seleccionado o un string vacío si se ha cancelado
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public static string OpenFileDialog(TiposOpenFileDlg tipo, string initialLoc="")
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{
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string titulo;
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ReiniciaOutStr();
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titulo = "Abrir Archivo";
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//Create a browse filter that uses Pro's "esri_browseDialogFilters_geodatabases" filter.
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//The browse filter is used in an OpenItemDialog.
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//fuentes filtros
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//https://github.com/Esri/arcgis-pro-sdk-community-samples/blob/master/Map-Exploration/IdentifyWindow/Daml.cs
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BrowseProjectFilter filtro = new BrowseProjectFilter();
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if ((tipo & TiposOpenFileDlg.OpenFtrClassLine)== TiposOpenFileDlg.OpenFtrClassLine)
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{
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filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_line"));
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titulo = "Abrir Feature Class";
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}
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if ((tipo & TiposOpenFileDlg.OpenFtrClassPoint) == TiposOpenFileDlg.OpenFtrClassPoint)
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{
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filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_point"));
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titulo = "Abrir Feature Class";
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}
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if ((tipo & TiposOpenFileDlg.OpenFtrClassPolygon) == TiposOpenFileDlg.OpenFtrClassPolygon)
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{
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filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_featureClasses_polygon"));
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titulo = "Abrir Feature Class";
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}
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if ((tipo & TiposOpenFileDlg.OpenGdb) == TiposOpenFileDlg.OpenGdb)
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{
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filtro.AddFilter(BrowseProjectFilter.GetFilter("esri_browseDialogFilters_geodatabases"));
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titulo = "Abrir Geodatabase";
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}
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if(tipo==0)
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{
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filtro.AddFilter(BrowseProjectFilter.GetFilter(""));
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}
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//Display the filter in an Open Item dialog
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OpenItemDialog aNewFilter = new OpenItemDialog
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{
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Title = titulo,
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InitialLocation = initialLoc,
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MultiSelect = false,
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//Set the BrowseFilter property to Pro's Geodatabase filter.
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BrowseFilter = filtro
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};
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bool? ok = aNewFilter.ShowDialog();
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if ((ok ?? true) && aNewFilter.Items.Count() > 0)
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return aNewFilter.Items.First().Path;
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else
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return string.Empty;
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}
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//Dado un path comprueba que sea de una gdb, termina en .gdb, o si tiene .gdb en medio lo corta ahí
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//y si no tiene devuelve vacío
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public static string GetPathGdb(string path)
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{
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string pathGdb = string.Empty;
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int i = 0;
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string gdbext = ".gdb";
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if(path.Contains(gdbext))
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{
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i = path.IndexOf(gdbext, 0, path.Length);
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pathGdb = path.Substring(0, i + 4);
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}
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return pathGdb;
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}
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//Dado un path aunque sea de una feature class, devuelve el path de la gdb que la contiene, o si
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//es de gdb directamente, y si no tiene .gdb, devuelve null
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public static Task<Geodatabase> GetGdb(string pathGdb)
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{
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Geodatabase fileGeodatabase = null;
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ReiniciaOutStr();
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<Geodatabase>)(() =>
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{
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string path = GetPathGdb(pathGdb);
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if (!string.IsNullOrEmpty(path))
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{
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try
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{
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fileGeodatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(path)));
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al abrir Geodatabase " + path + ": " + ex.Message;
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return null;
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}
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}
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return fileGeodatabase;
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}));
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//return fileGeodatabase;
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}
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//Dado un path de una feature class devuelve la ftclass abierta directamente,
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//o null si ha habido algún problema o no lo ha encontrado
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public static FeatureClass GetFtClass(string pathFtClss)
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{
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FeatureClass ftclss = null;
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Geodatabase gdb = GetGdb(pathFtClss).Result;
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ReiniciaOutStr();
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if (gdb != null)
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{
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ftclss = GetFtClass(System.IO.Path.GetFileNameWithoutExtension(pathFtClss), gdb).Result;
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}
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else //mira a ver si es shapefile
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{
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ftclss = GetFtClassFromShp(pathFtClss).Result;
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}
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return ftclss;
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}
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//Dado el path de una gdb y el nombre de una feature class, devuelve la
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//feature class abierta, o null si hay algun problema
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public static Task<FeatureClass> GetFtClass(string nameFtclss, Geodatabase gdb)
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{
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FeatureClass ftclss = null;
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ReiniciaOutStr();
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<FeatureClass>)(() =>
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{
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try
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{
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ftclss = gdb.OpenDataset<FeatureClass>(nameFtclss);
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al abrir Feature Class " + nameFtclss + ": " + ex.Message;
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return null;
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}
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return ftclss;
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}));
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}
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//Abre una feature class cuando es un shapefile
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public static Task<FeatureClass> GetFtClassFromShp(string pathShp)
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{
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FeatureClass ftclss = null;
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ReiniciaOutStr();
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<FeatureClass>)(() =>
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{
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if (pathShp.Contains(".shp"))
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{
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try
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{
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string shpname = System.IO.Path.GetFileNameWithoutExtension(pathShp);
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var shapeFileConnPath = new FileSystemConnectionPath(new Uri(pathShp), FileSystemDatastoreType.Shapefile);
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var shapefile = new FileSystemDatastore(shapeFileConnPath);
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ftclss = shapefile.OpenDataset<FeatureClass>(shpname);
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al abrir Shapefile " + pathShp + ": " + ex.Message;
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return null;
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}
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}
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return ftclss;
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}));
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}
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//devuelve el campo dado el nombre
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private static Task<ArcGIS.Core.Data.Field> GetFieldByName(FeatureClass ftClss, string fieldName)
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{
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FeatureClassDefinition ftcldef = ftClss.GetDefinition();
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ReiniciaOutStr();
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ArcGIS.Core.Data.Field field=null;
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<ArcGIS.Core.Data.Field>)(() =>
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{
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try
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{
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field = ftcldef.GetFields().First(x => x.Name.Equals(fieldName));
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "No se encuentra el campo " + fieldName + ": " + ex.Message;
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return null;
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}
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return field;
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}));
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}
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//Devuelve una lista con los campos de una feature class
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public static Task<ObservableCollection<string>> GetFields(FeatureClass fc)
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{
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FeatureClassDefinition ftcldef=null;
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IReadOnlyList<ArcGIS.Core.Data.Field> fields = null;
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ReiniciaOutStr();
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ObservableCollection<string> fields_st = new ObservableCollection<string>();
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<ObservableCollection<string>>)(() =>
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{
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try
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{
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ftcldef = fc.GetDefinition();
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fields = ftcldef.GetFields();
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foreach (ArcGIS.Core.Data.Field f in fields)
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{
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fields_st.Add(f.Name);
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}
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al leer los campos " + fc.GetName() + ": " + ex.Message;
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return fields_st;
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}
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return fields_st;
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}));
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}
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//Devuelve comilla simple si el campo es de texto, o nada si es númerico
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//var whereClause = $"{SelectedField} = {Quote(f)}{FieldValue}{Quote(f)}";
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public static string Quote(ArcGIS.Core.Data.Field f)
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{
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return f.FieldType == FieldType.String ? "'" : "";
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}
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//Dado un nombre de campo, devuelve los valores que encuentra para ese nombre de campo
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public static Task<ObservableCollection<string>> GetFieldVals(FeatureClass fc, string fieldName, bool uniquevals)
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{
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ObservableCollection<string> attribs_st = new ObservableCollection<string>();
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ReiniciaOutStr();
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<ObservableCollection<string>>)(() =>
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{
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try
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{
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using (FeatureClassDefinition ftcldef = fc.GetDefinition())
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{
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ArcGIS.Core.Data.Field field = ftcldef.GetFields().First(x => x.Name.Equals(fieldName));
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using (RowCursor rowCursor = fc.Search())
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{
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string str;
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while (rowCursor.MoveNext())
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{
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using (Row row = rowCursor.Current)
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{
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str = Convert.ToString(row[fieldName]);
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if (uniquevals)
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{
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if (attribs_st.Contains(str))
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continue;
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}
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attribs_st.Add(str);
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al leer los campos " + fc.GetName() + ": " + ex.Message;
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return attribs_st;
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}
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return attribs_st;
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}));
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}
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/**
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* Devuelve una geometría que es la suma de la inicial y la que se añade Add
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*/
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public static ArcGIS.Core.Geometry.Geometry UneGeom(ArcGIS.Core.Geometry.Geometry geomIni, ArcGIS.Core.Geometry.Geometry geomUne)
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{
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if (geomIni == null)
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return geomUne;
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return GeometryEngine.Instance.Union(geomIni, geomUne);
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}
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/**
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* Devuelve una geometría a la que dada una geometría inicial se le quita Excl
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*/
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public static ArcGIS.Core.Geometry.Geometry QuitaGeom(ArcGIS.Core.Geometry.Geometry geomIni, ArcGIS.Core.Geometry.Geometry geomQuita)
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{
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return GeometryEngine.Instance.Union(geomIni, geomQuita);
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}
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/**
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* Forma la envolvente convexa, el mínimo polígono,
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* que contiene los ámbitos para exportar, a partir de ahí la red navegable ampliando a un buffer
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*/
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public static ArcGIS.Core.Geometry.Geometry GetGeomConvexHull(FeatureClass fclss, ArcGIS.Core.Data.QueryFilter filter)
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{
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ArcGIS.Core.Geometry.Geometry geomIni = null;
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geomIni = GetGeomUnica(fclss, filter);
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if (geomIni != null)
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return GeometryEngine.Instance.ConvexHull(geomIni);
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else
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return null;
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}
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/*
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* A partir de una capa recorre todos los elementos que cumplen el filtro y los une en una única geometría
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*/
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public static ArcGIS.Core.Geometry.Geometry GetGeomUnica(FeatureClass fclss, ArcGIS.Core.Data.QueryFilter filtro)
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{
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ArcGIS.Core.Geometry.Geometry geomsal = null;
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ReiniciaOutStr();
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try
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{
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using (RowCursor rowCursor = fclss.Search(filtro))
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{
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while (rowCursor.MoveNext())
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{
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using (Row row = rowCursor.Current)
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{
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if(row is Feature ft)
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geomsal = UneGeom(geomsal, ft.GetShape());
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}
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}
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}
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}
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catch (Exception ex)
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{
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out_str = "Error al leer generar geometría única " + out_str + ex.Message;
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return geomsal;
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}
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return geomsal;
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}
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/**
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* Dado un campo de una feature class y el valor que se quiere para el campo
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* devuelve las geometrías que cumplen dicho criterio
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*/
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public static Task<ArcGIS.Core.Geometry.Geometry> GetGeomSel(FeatureClass fclss, string fieldName, ObservableCollection<string> selFieldVals)
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{
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ArcGIS.Core.Geometry.Geometry geomsal = null;
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ArcGIS.Core.Geometry.Geometry geomAux = null;
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string where = "";
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ArcGIS.Core.Data.Field f;
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ArcGIS.Core.Data.QueryFilter filtro;
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bool ok = true;
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ReiniciaOutStr();
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TextoSal = string.Empty;
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<ArcGIS.Core.Geometry.Geometry>)(() =>
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{
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try
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{
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using (FeatureClassDefinition ftcldef = fclss.GetDefinition())
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{
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f = ftcldef.GetFields().First(x => x.Name.Equals(fieldName));
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//se embucla para unir las geoms
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for (int i = 0; i < selFieldVals.Count && ok; i++)
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{
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where = $"{fieldName} = {Quote(f)}{selFieldVals[i]}{Quote(f)}";
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filtro = new ArcGIS.Core.Data.QueryFilter { WhereClause = where };
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geomAux = GetGeomUnica(fclss, filtro);
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if(geomAux == null)
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{
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ok = false;
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continue;
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}
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geomsal = UneGeom(geomsal, geomAux);
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TextoSal = TextoSal + HelperGlobal.RevisaText(selFieldVals[i]);
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}
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}
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al generar geometría en " + fclss.GetName() + " Con filtro " + where +": " + ex.Message;
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return geomsal;
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}
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if (!ok)
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HelperGdb.out_str = "Error al generar geometría en " + fclss.GetName() + " Con filtro " + where + HelperGdb.out_str;
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return geomsal;
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}));
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}
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/**
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* Devuelve el número de entidades de una FeatureClass que cumplen la consulta, o todos si la consulta es empty
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*/
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public static int GetNumElems(string pathGdb, string ftclssName, string consulta = "")
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{
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Geodatabase gdb = GetGdb(pathGdb).Result;
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FeatureClass fc = null;
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int n = -1;
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if (gdb != null)
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{
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fc = GetFtClass(ftclssName, gdb).Result;
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if(fc!=null)
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n= GetNumElems(fc, consulta).Result;
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}
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Free(fc);
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Free(gdb);
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return n;
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}
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/**
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* Devuelve el número de entidades de una FeatureClass que cumplen la consulta, o todos si la consulta es empty
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*/
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public static Task<int> GetNumElems(FeatureClass fc, string consulta = "")
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{
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int n = -1;
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return ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run((Func<int>)(() =>
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{
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try
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{
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if (fc != null)
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{
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if (string.IsNullOrEmpty(consulta))
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n = fc.GetCount();
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else
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{
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//realiza consulta
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n = 0;
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using (Selection sel = fc.Select(new ArcGIS.Core.Data.QueryFilter { WhereClause = consulta }, SelectionType.ObjectID, SelectionOption.Normal))
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n = sel.GetCount();
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}
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}
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return n;
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}
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catch (Exception ex)
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{
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HelperGdb.out_str = "Error al contar filas en " + fc.GetName() + ": " + ex.Message;
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return n;
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}
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}));
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}
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/**
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* Devuelve el número de entidades de una FeatureClass que cumplen la consulta, o todos si la consulta es empty
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*/
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public static int GetNumElems(string pathFtClss, string consulta = "")
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{
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FeatureClass fc = GetFtClass(pathFtClss);
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|
int n=GetNumElems(fc,consulta).Result;
|
|
Free(fc);
|
|
return n;
|
|
}
|
|
}
|
|
}
|