/// <summary>
/// Create a flann index for 3D points
/// </summary>
/// <param name="points">The IPosition3D array</param>
/// <param name="ip">The index parameters</param>
public Index3D(MCvPoint3D32f[] points, IIndexParams ip)
{
_points = points;
_dataHandle = GCHandle.Alloc(_points, GCHandleType.Pinned);
_dataMatrix = new Matrix<float>(_points.Length, 3, _dataHandle.AddrOfPinnedObject());
_flannIndex = new Index(_dataMatrix, ip);
_query = new Matrix<float>(1, 3);
_distance = new Matrix<float>(1, 1);
_index = new Matrix<int>(1, 1);
}
/// <summary>
/// Create a flann index
/// </summary>
/// <param name="values">A row by row matrix of descriptors</param>
/// <param name="ip">The index parameter</param>
/// <param name="distType">The distance type</param>
public Index(IInputArray values, IIndexParams ip, DistType distType = DistType.L2)
{
using (InputArray iaValues = values.GetInputArray())
_ptr = CvInvoke.cveFlannIndexCreate(iaValues, ip.IndexParamPtr, distType);
}
/// <summary>
/// Create a Flann based matcher.
/// </summary>
/// <param name="indexParams">The type of index parameters</param>
/// <param name="search">The search parameters</param>
public FlannBasedMatcher(IIndexParams indexParams, SearchParams search)
{
_ptr = Features2DInvoke.cveFlannBasedMatcherCreate(indexParams.IndexParamPtr, search.Ptr, ref _descriptorMatcherPtr);
}
/// <summary>
/// Create a flann index
/// </summary>
/// <param name="values">A row by row matrix of descriptors</param>
/// <param name="ip">The index parameter</param>
public Index(IInputArray values, IIndexParams ip)
{
using (InputArray iaValues = values.GetInputArray())
_ptr = cveFlannIndexCreate(iaValues, ip.IndexParamPtr);
}
/// <summary>
/// Create a flann index
/// </summary>
/// <param name="values">A row by row matrix of descriptors</param>
/// <param name="ip">The index parameter</param>
public Index(IInputArray values, IIndexParams ip)
{
using (InputArray iaValues = values.GetInputArray())
_ptr = cveFlannIndexCreate(iaValues, ip.IndexParamPtr);
}
