/// <summary>
/// Returns the metafile reader located based on the naming pattern.
/// </summary>
/// <param name="path">The path including the naming pattern.</param>
/// <returns>The metafile reader located at the specified path if available; otherwise, <c>null</c>.</returns>
private static GeoTiffMetafileReader GetReaderFromSearchPattern(String path)
{
GeoTiffMetafileReader reader = null;
FileSystem fileSystem = FileSystem.GetFileSystemForPath(path);
String fileNamePattern = fileSystem.GetFileName(path);
String directory = fileSystem.GetDirectory(path);
String[] filePaths = fileSystem.GetFiles(directory, fileNamePattern, false);
// check for matching paths
foreach (MetafileFormat format in _readers.Keys)
{
foreach (String filePath in filePaths)
{
if (format.IsMatchingName(filePath) && (reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
// check for all paths
foreach (MetafileFormat format in _readers.Keys)
{
foreach (String filePath in filePaths)
{
if ((reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
return(reader);
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoTiffGroupReader" /> class.
/// </summary>
/// <param name="basePath">The base path.</param>
/// <param name="parameters">The parameters of the reader for the specific stream.</param>
/// <exception cref="System.ArgumentNullException">The collection of file paths is null.</exception>
public GeoTiffGroupReader(IEnumerable <String> filePaths, IDictionary <GeometryStreamParameter, Object> parameters)
: base(SpectralGeometryStreamFormats.GeoTiff, parameters)
{
if (filePaths == null)
{
throw new ArgumentNullException("basePath", "The collection of file paths is null.");
}
_filePaths = filePaths.Where(filePath => filePath.ToLower().EndsWith(".tif")).ToList();
Boolean includeMetadata = ResolveParameter <Boolean>(SpectralGeometryStreamParameters.IncludeMetadata);
if (includeMetadata)
{
foreach (String path in filePaths.Where(filePath => !filePath.ToLower().EndsWith(".tif")))
{
_metafileReader = GeoTiffMetafileReaderFactory.CreateReader(path, GeoTiffMetafilePathOption.IsMetafilePath);
if (_metafileReader != null)
{
break;
}
}
}
}
/// <summary>
/// Returns the metafile reader located based on the GeoTIFF path.
/// </summary>
/// <param name="path">The path of the GeoTIFF file.</param>
/// <returns>The metafile reader located at the specified path if available; otherwise, <c>null</c>.</returns>
private static GeoTiffMetafileReader GetReaderFromGeoTiffFileName(String path)
{
GeoTiffMetafileReader reader = null;
FileSystem fileSystem = FileSystem.GetFileSystemForPath(path);
String directory = fileSystem.GetDirectory(path);
// search the extension
foreach (MetafileFormat format in _readers.Keys)
{
String[] filePaths = new String[]
{
fileSystem.Combine(directory, fileSystem.GetFileNameWithoutExtension(path) + "." + format.DefaultExtension.ToLower()),
fileSystem.Combine(directory, fileSystem.GetFileNameWithoutExtension(path) + "." + format.DefaultExtension.ToUpper())
};
foreach (String filePath in filePaths)
{
if (fileSystem.Exists(filePath) && (reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
// search the directory
return(GetReaderInDirectory(directory));
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoTiffReader" /> class.
/// </summary>
/// <param name="path">The file path to be read.</param>
/// <param name="parameters">The parameters of the reader for the specific stream.</param>
/// <exception cref="System.ArgumentException">
/// The path is empty.
/// or
/// The path is invalid.
/// or
/// The type of a parameter value does not match the type specified by the format.
/// or
/// The parameter value does not satisfy the conditions of the parameter.
/// </exception>
/// <exception cref="System.IO.IOException">
/// Exception occurred during stream opening.
/// or
/// Exception occurred during stream reading.
/// </exception>
public GeoTiffReader(Uri path, IDictionary <GeometryStreamParameter, Object> parameters)
: base(path, SpectralGeometryStreamFormats.GeoTiff, parameters)
{
Boolean includeMetadata = ResolveParameter <Boolean>(SpectralGeometryStreamParameters.IncludeMetadata);
if (includeMetadata)
{
_metafileReader = GeoTiffMetafileReaderFactory.CreateReader(path, GeoTiffMetafilePathOption.IsGeoTiffFilePath);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoTiffReader" /> class.
/// </summary>
/// <param name="path">The file path to be read.</param>
/// <exception cref="System.ArgumentException">
/// The path is empty.
/// or
/// The path is invalid.
/// or
/// The type of a parameter value does not match the type specified by the format.
/// or
/// The parameter value does not satisfy the conditions of the parameter.
/// </exception>
/// <exception cref="System.IO.IOException">
/// Exception occurred during stream opening.
/// or
/// Exception occurred during stream reading.
/// </exception>
public GeoTiffReader(String path)
: base(path, SpectralGeometryStreamFormats.GeoTiff, null)
{
Boolean includeMetadata = ResolveParameter <Boolean>(SpectralGeometryStreamParameters.IncludeMetadata);
if (includeMetadata)
{
_metafileReader = GeoTiffMetafileReaderFactory.CreateReader(path, GeoTiffMetafilePathOption.IsGeoTiffFilePath);
}
}
/// <summary>
/// Returns the metafile reader located at the specified directory.
/// </summary>
/// <param name="path">The path of the directory.</param>
/// <returns>The metafile reader located at the specified path if available; otherwise, <c>null</c>.</returns>
private static GeoTiffMetafileReader GetReaderInDirectory(String path)
{
GeoTiffMetafileReader reader = null;
FileSystem fileSystem = FileSystem.GetFileSystemForPath(path);
// try the default file name
foreach (MetafileFormat format in _readers.Keys)
{
if (format.HasDefaultFileName)
{
String filePath = fileSystem.Combine(path, format.DefaultFileName);
if (fileSystem.Exists(filePath) && (reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
// try the default naming pattern and extension
foreach (MetafileFormat format in _readers.Keys)
{
if (format.HasDefaultNamingPattern)
{
foreach (String filePath in fileSystem.GetFiles(path, format.DefaultNamingPattern, false))
{
if ((reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
}
// try the default extension
foreach (MetafileFormat format in _readers.Keys)
{
if (format.HasDefaultNamingPattern)
{
foreach (String filePath in fileSystem.GetFiles(path, format.DefaultExtension.ToLower(), false).
Concat(fileSystem.GetFiles(path, format.DefaultExtension.ToUpper(), false)))
{
if ((reader = GetReader(filePath, format)) != null)
{
return(reader);
}
}
}
}
return(reader);
}
/// <summary>
/// Returns the metafile reader located at the specified path.
/// </summary>
/// <param name="path">The path.</param>
/// <returns>The metafile reader located at the specified path if available; otherwise, <c>null</c>.</returns>
private static GeoTiffMetafileReader GetReader(String path)
{
GeoTiffMetafileReader reader = null;
foreach (MetafileFormat format in _readers.Keys)
{
if ((reader = GetReader(path, format)) != null)
{
return(reader);
}
}
return(reader);
}
/// <summary>
/// Initializes a new instance of the <see cref="GeoTiffGroupReader" /> class.
/// </summary>
/// <param name="basePath">The base path.</param>
/// <param name="parameters">The parameters of the reader for the specific stream.</param>
/// <exception cref="System.ArgumentNullException">The base path is null.</exception>
public GeoTiffGroupReader(String basePath, IDictionary <GeometryStreamParameter, Object> parameters)
: base(SpectralGeometryStreamFormats.GeoTiff, parameters)
{
if (basePath == null)
{
throw new ArgumentNullException("basePath", "The base path is null.");
}
Boolean includeMetadata = ResolveParameter <Boolean>(SpectralGeometryStreamParameters.IncludeMetadata);
FileSystem fileSystem = FileSystem.GetFileSystemForPath(basePath);
_filePaths = new List <String>();
// the base path is a directory
if (fileSystem.IsDirectory(basePath))
{
if (includeMetadata)
{
_metafileReader = GeoTiffMetafileReaderFactory.CreateReader(basePath, GeoTiffMetafilePathOption.IsDirectoryPath);
}
if (_metafileReader != null)
{
// load files from the path specified by the metafile
List <String> filePaths = _metafileReader.ReadFilePaths().Select(path => fileSystem.Combine(basePath, path)).ToList();
// check whether the specified files exist
foreach (String filePath in filePaths)
{
if (fileSystem.Exists(filePath))
{
_filePaths.Add(filePath);
}
}
}
if (_filePaths.Count == 0)
{
_filePaths = fileSystem.GetFiles(basePath, "*.tif", false).Union(fileSystem.GetFiles(basePath, "*.TIF", false)).ToList();
}
}
else
{
String directoryPath = fileSystem.GetDirectory(basePath);
String fileNameBase = fileSystem.GetFileNameWithoutExtension(basePath);
String extension = fileSystem.GetExtension(basePath);
if (includeMetadata)
{
_metafileReader = GeoTiffMetafileReaderFactory.CreateReader(fileSystem.Combine(directoryPath, fileNameBase + "*"), GeoTiffMetafilePathOption.IsSearchPattern);
}
if (_metafileReader != null)
{
_filePaths = _metafileReader.ReadFilePaths().Select(path => fileSystem.Combine(directoryPath, path)).ToList();
}
else
{
_filePaths = fileSystem.GetFiles(directoryPath, fileNameBase + "*" + extension, false).ToList();
}
}
}