Dear All,
   First, thank you for the previous help that I got from the ML. Now I
    have another issue.
    Traceback (most recent call last):
       File "/astro/py/halo_finder.py", line 14, in <module>
         hp = HP.HaloProfiler(fn, halo_list_file='HopAnalysis.out')
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_profiler/multi_halo_profiler.py", line 310, in
    __init__
         self._load_halo_data()
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_profiler/multi_halo_profiler.py", line 967, in
    _load_halo_data
         self._run_hop(hop_file)
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_profiler/multi_halo_profiler.py", line 1124, in
    _run_hop
         **self.halo_finder_kwargs)
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.py", line 2268, in
    __init__
         premerge=premerge, tree=self.tree)
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.py", line 1639, in

- Ignored:
    __init__
         HaloList.__init__(self, data_source, dm_only)
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.py", line 1067, in
    __init__
         self._run_finder()
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/halo_objects.py", line 1667, in
    _run_finder
         tree=self.tree)
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/parallel_hop/parallel_hop_interface.py", line 73, in
    __init__
         self._chain_hop()
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/parallel_hop/parallel_hop_interface.py", line 1536, in
    _chain_hop
         self._init_kd_tree()
       File
    "/astro/yt/yt-x86_64/src/yt-hg/yt/analysis_modules/halo_finding/parallel_hop/parallel_hop_interface.py", line 351, in
    _init_kd_tree
         fKD.dens = na.zeros(self.size, dtype='float64', order='F')
    NameError: global name 'fKD' is not defined

    I tried to install Fortran kD Tree Setup
    http://yt-project.org/doc/analysis_modules/running_halofinder.html?highlight=friend%20friend

    But I got the follow error.
    Using Forthon ()
    Forthon -F gfortran --compile_first fKD_source --no2underscores
    --with-numpy --fopt "-O3" fKD fKD_source.f90
    Usage: Forthon [options] pkgname [extra Fortran or C files to be
    compiled or objects to link] [options for distutils]

    Forthon: error: no such option: --with-numpy
    make: *** [fKD] Error 2
    X-Riesco-Francia:kdtree friesco$ sudo make
    Using Forthon ()
    Forthon -F gfortran --compile_first fKD_source --no2underscores
    --with-numpy --fopt "-O3" fKD fKD_source.f90
    Usage: Forthon [options] pkgname [extra Fortran or C files to be
    compiled or objects to link] [options for distutils]

    Forthon: error: no such option: --with-numpy
    make: *** [fKD] Error 2

    I am using Mac IOS Lion 10.7.4 and the latest YT build
    Thank in Advance
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