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adbad98f7e
| Author | SHA1 | Date |
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 huhaijun
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adbad98f7e | 4 days ago |
 WGJ
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4dba31e433 | 4 days ago |
32 changed files with 23 additions and 7864 deletions
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/****************************************************************************** |
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* |
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* Name: GdalConfiguration.cs.pp |
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* Project: GDAL CSharp Interface |
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* Purpose: A static configuration utility class to enable GDAL/OGR. |
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* Author: Felix Obermaier |
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* |
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****************************************************************************** |
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* Copyright (c) 2012-2018, Felix Obermaier |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included |
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* in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*****************************************************************************/ |
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using System; |
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using System.Diagnostics; |
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using System.IO; |
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using System.Reflection; |
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using System.Runtime.InteropServices; |
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using Gdal = OSGeo.GDAL.Gdal; |
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using Ogr = OSGeo.OGR.Ogr; |
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namespace KIngo.DataProcessing |
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{ |
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public static partial class GdalConfiguration |
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{ |
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private static volatile bool _configuredOgr; |
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private static volatile bool _configuredGdal; |
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private static volatile bool _usable; |
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[DllImport("kernel32", CharSet = CharSet.Auto, SetLastError = true)] |
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static extern bool SetDefaultDllDirectories(uint directoryFlags); |
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// LOAD_LIBRARY_SEARCH_DEFAULT_DIRS |
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private const uint DllSearchFlags = 0x00001000; |
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[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)] |
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[return: MarshalAs(UnmanagedType.Bool)] |
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static extern bool AddDllDirectory(string lpPathName); |
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/// <summary> |
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/// Construction of Gdal/Ogr |
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/// </summary> |
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static GdalConfiguration() |
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{ |
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string executingDirectory = null, gdalPath = null, nativePath = null; |
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try |
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{ |
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if (!IsWindows) |
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{ |
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const string notSet = "_Not_set_"; |
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string tmp = Gdal.GetConfigOption("GDAL_DATA", notSet); |
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_usable = tmp != notSet; |
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return; |
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} |
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string executingAssemblyFile = new Uri(Assembly.GetExecutingAssembly().GetName().CodeBase).LocalPath; |
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executingDirectory = Path.GetDirectoryName(executingAssemblyFile); |
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if (string.IsNullOrEmpty(executingDirectory)) |
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throw new InvalidOperationException("cannot get executing directory"); |
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// modify search place and order |
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//SetDefaultDllDirectories(DllSearchFlags); |
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gdalPath = Path.Combine(executingDirectory, "gdal"); |
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nativePath = Path.Combine(gdalPath, GetPlatform()); |
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if (!Directory.Exists(nativePath)) |
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throw new DirectoryNotFoundException($"GDAL native directory not found at '{nativePath}'"); |
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if (!File.Exists(Path.Combine(nativePath, "gdal_wrap.dll"))) |
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throw new FileNotFoundException( |
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$"GDAL native wrapper file not found at '{Path.Combine(nativePath, "gdal_wrap.dll")}'"); |
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// Add directories |
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//AddDllDirectory(nativePath); |
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//AddDllDirectory(Path.Combine(nativePath, "plugins")); |
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// Set the additional GDAL environment variables. |
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string gdalData = Path.Combine(gdalPath, "data"); |
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Environment.SetEnvironmentVariable("GDAL_DATA", gdalData); |
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Gdal.SetConfigOption("GDAL_DATA", gdalData); |
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string driverPath = Path.Combine(nativePath, "plugins"); |
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Environment.SetEnvironmentVariable("GDAL_DRIVER_PATH", driverPath); |
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Gdal.SetConfigOption("GDAL_DRIVER_PATH", driverPath); |
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Environment.SetEnvironmentVariable("GEOTIFF_CSV", gdalData); |
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Gdal.SetConfigOption("GEOTIFF_CSV", gdalData); |
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string projSharePath = Path.Combine(gdalPath, "share"); |
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Environment.SetEnvironmentVariable("PROJ_LIB", projSharePath); |
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Gdal.SetConfigOption("PROJ_LIB", projSharePath); |
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OSGeo.OSR.Osr.SetPROJSearchPaths(new[] { projSharePath }); |
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OSGeo.OSR.Osr.SetPROJSearchPath(@"./gdal/share"); |
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_usable = true; |
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} |
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catch (Exception e) |
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{ |
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_usable = false; |
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Trace.WriteLine(e, "error"); |
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Trace.WriteLine($"Executing directory: {executingDirectory}", "error"); |
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Trace.WriteLine($"gdal directory: {gdalPath}", "error"); |
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Trace.WriteLine($"native directory: {nativePath}", "error"); |
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//throw; |
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} |
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} |
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/// <summary> |
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/// Gets a value indicating if the GDAL package is set up properly. |
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/// </summary> |
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public static bool Usable |
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{ |
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get { return _usable; } |
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} |
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/// <summary> |
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/// Method to ensure the static constructor is being called. |
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/// </summary> |
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/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks> |
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public static void ConfigureOgr() |
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{ |
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if (!_usable) return; |
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if (_configuredOgr) return; |
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// Register drivers |
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Ogr.RegisterAll(); |
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_configuredOgr = true; |
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PrintDriversOgr(); |
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} |
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/// <summary> |
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/// Method to ensure the static constructor is being called. |
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/// </summary> |
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/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks> |
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public static void ConfigureGdal() |
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{ |
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if (!_usable) return; |
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if (_configuredGdal) return; |
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// Register drivers |
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Gdal.AllRegister(); |
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_configuredGdal = true; |
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PrintDriversGdal(); |
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} |
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/// <summary> |
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/// Function to determine which platform we're on |
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/// </summary> |
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private static string GetPlatform() |
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{ |
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return Environment.Is64BitProcess ? "x64" : "x86"; |
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} |
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/// <summary> |
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/// Gets a value indicating if we are on a windows platform |
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/// </summary> |
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private static bool IsWindows |
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{ |
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get |
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{ |
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var res = !(Environment.OSVersion.Platform == PlatformID.Unix || |
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Environment.OSVersion.Platform == PlatformID.MacOSX); |
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return res; |
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} |
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} |
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private static void PrintDriversOgr() |
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{ |
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#if DEBUG |
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if (_usable) |
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{ |
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var num = Ogr.GetDriverCount(); |
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for (var i = 0; i < num; i++) |
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{ |
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var driver = Ogr.GetDriver(i); |
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Trace.WriteLine($"OGR {i}: {driver.GetName()}", "Debug"); |
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} |
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} |
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#endif |
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} |
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private static void PrintDriversGdal() |
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{ |
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#if DEBUG |
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if (_usable) |
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{ |
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var num = Gdal.GetDriverCount(); |
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for (var i = 0; i < num; i++) |
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{ |
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var driver = Gdal.GetDriver(i); |
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Trace.WriteLine($"GDAL {i}: {driver.ShortName}-{driver.LongName}"); |
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} |
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} |
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#endif |
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} |
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} |
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} |
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Before Width: | Height: | Size: 9.4 KiB |
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Before Width: | Height: | Size: 9.4 KiB |
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