// given an index descriptor, seek to and return place information
PlaceItem GetPlaceItemFromIndexEntry(WplIndexEntry ie, MetaDataAction metaDataAction)
{
using (BinaryReader brWwp = OpenWwpReader(ie.fileNumber))
{
// seek to the relevant info
brWwp.BaseStream.Seek(ie.seekOffset, SeekOrigin.Begin);
// create a new PlaceItem
PlaceItem pi = new PlaceItem();
pi.pn = new WorldWindPlacename();
// set placeNameSet info
pi.placeDescriptor = this.m_placeNameSet;
// now read the rest from the WWP file
ReadPlaceName(brWwp, ref pi.pn, metaDataAction);
return(pi);
}
}
/// <summary>
/// Loads an index from file (implicitly known via the name of the wpl file)
/// </summary>
/// <param name="pr">Callback to provide progress report</param>
public void Load(ProgressReportDelegate pr)
{
// initialize Reader
using (BinaryReader brIdx = OpenBinReader(IndexFileName()))
{
// read index entry count
int nCount = brIdx.ReadInt32();
// allocate an array of that size
this.m_indexEntries = new WplIndexEntry [nCount];
// read index entries
for (int i = 0; i < nCount; i++)
{
WplIndexEntry ie = new WplIndexEntry();
ie.fileNumber = brIdx.ReadInt16(); // read file number
ie.seekOffset = brIdx.ReadInt32(); // read seek offset
m_indexEntries[i] = ie;
}
}
}
/// <summary>
/// Loads an index from file (implicitly known via the name of the wpl file)
/// </summary>
/// <param name="pr">Callback to provide progress report</param>
public void Load(ProgressReportDelegate pr)
{
// initialize Reader
using(BinaryReader brIdx = OpenBinReader(IndexFileName()))
{
// read index entry count
int nCount = brIdx.ReadInt32();
// allocate an array of that size
this.m_indexEntries = new WplIndexEntry [nCount];
// read index entries
for(int i = 0; i < nCount; i++)
{
WplIndexEntry ie = new WplIndexEntry();
ie.fileNumber = brIdx.ReadInt16(); // read file number
ie.seekOffset = brIdx.ReadInt32(); // read seek offset
m_indexEntries[i] = ie;
}
}
}
// given an index descriptor, seek to and return place information
PlaceItem GetPlaceItemFromIndexEntry(WplIndexEntry ie, MetaDataAction metaDataAction)
{
using( BinaryReader brWwp = OpenWwpReader(ie.fileNumber) )
{
// seek to the relevant info
brWwp.BaseStream.Seek(ie.seekOffset, SeekOrigin.Begin);
// create a new PlaceItem
PlaceItem pi = new PlaceItem();
pi.pn = new WorldWindPlacename();
// set placeNameSet info
pi.placeDescriptor = this.m_placeNameSet;
// now read the rest from the WWP file
ReadPlaceName(brWwp, ref pi.pn, metaDataAction);
return pi;
}
}
