Version 4.06, Added possibility of using three different search structures UG Hash and AABB
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VCGLib http://vcg.sf.net o o
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Visual and Computer Graphics Library o o
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_ O _
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Copyright(C) 2005-2006 \/)\/
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Visual Computing Lab http://vcg.isti.cnr.it /\/|
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ISTI - Italian National Research Council |
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\
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Metro 4.06 2005/10/03
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All rights reserved.
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2005/10/03 Release 4.06
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Changed the core for distance computation.
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Current version uses the lib flexible search structures.
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Now the comparison can be done exploiting a static uniform grid,
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a hashed grid or a hierarchy of AA box.
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2005/04/04 Release 4.05
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Added saving of Error Histogram
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2005/01/26 Release 4.04
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Gcc compiling issues
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Moved to the library core the code for computing min distance froma a point to a mesh using a uniform grid.
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Slightly faster.
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2005/01/03 Release 4.03
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Better ply compatibility, and improved error reporting
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2004/11/29 Release 4.02
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removed bug in printing Hausdorf distance,
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removed bug in command line parsing,
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upgraded import mesh library to support off format
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@ -24,6 +24,9 @@
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History
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$Log: not supported by cvs2svn $
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Revision 1.16 2005/09/16 11:52:14 cignoni
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removed wrong %v in vertex number printing
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Revision 1.15 2005/04/04 10:36:36 cignoni
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Release 4.05
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Added saving of Error Histogram
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@ -117,8 +120,10 @@ void Usage()
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" -c save a mesh with error as per-vertex colour and quality\n"\
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" -C # # Set the min/max values used for color mapping\n"\
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" -L Remove duplicated and unreferenced vertices before processing\n"\
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" -H write files with histograms of error distribution\n"\
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" -h write files with histograms of error distribution\n"\
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" -G Use a static Uniform Grid as Search Structure (default)\n"\
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" -A Use an AxisAligned Bounding Box Tree as Search Structure\n"\
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" -H Use an Hashed Uniform Grid as Search Structure\n"\
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"\n"
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"Default options are to sample vertexes, edge and faces by taking \n"
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"a number of samples that is approx. 10x the face number.\n"
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@ -164,7 +169,7 @@ int main(int argc, char**argv)
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// print program info
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printf("-------------------------------\n"
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" Metro V.4.05 \n"
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" Metro V.4.06 \n"
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" http://vcg.isti.cnr.it\n"
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" release date: "__DATE__"\n"
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"-------------------------------\n\n");
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@ -182,7 +187,7 @@ int main(int argc, char**argv)
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if(argv[i][0]=='-')
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switch(argv[i][1])
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{
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case 'H' : flags |= SamplingFlags::HIST; break;
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case 'h' : flags |= SamplingFlags::HIST; break;
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case 'v' : flags &= ~SamplingFlags::VERTEX_SAMPLING; break;
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case 'e' : flags &= ~SamplingFlags::EDGE_SAMPLING; break;
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case 'f' : flags &= ~SamplingFlags::FACE_SAMPLING; break;
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@ -202,12 +207,18 @@ int main(int argc, char**argv)
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case 'c': flags |= SamplingFlags::SAVE_ERROR; break;
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case 'L': CleaningFlag=true; break;
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case 'C': ColorMin=float(atof(argv[i+1])); ColorMax=float(atof(argv[i+2])); i+=2; break;
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case 'A': flags |= SamplingFlags::USE_AABB_TREE; printf("Using AABB Tree as search structure\n"); break;
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case 'G': flags |= SamplingFlags::USE_STATIC_GRID; printf("Using static uniform grid as search structure\n"); break;
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case 'H': flags |= SamplingFlags::USE_HASH_GRID; printf("Using hashed uniform grid as search structure\n"); break;
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default : printf(MSG_ERR_INVALID_OPTION, argv[i]);
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exit(0);
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}
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i++;
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}
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if(!(flags & SamplingFlags::USE_HASH_GRID) && !(flags & SamplingFlags::USE_AABB_TREE) )
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flags |= SamplingFlags::USE_STATIC_GRID;
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// load input meshes.
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OpenMesh(argv[1],S1);
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OpenMesh(argv[2],S2);
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@ -6,10 +6,9 @@
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Visual Computing Lab http://vcg.isti.cnr.it /\/|
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ISTI - Italian National Research Council |
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\
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Metro 4.05 04/05/2005
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Metro 4.06 2005/10/03
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -55,6 +54,8 @@ Note that the three methods described above are used to sample only the interior
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A different scheme is used to sample vertices and edges: vertices are sampled in the straightforward manner,
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while edges are sampled by uniformly interleaving samples along each edge.
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Three different Spatial indexing structures can be used to find the closest point to a sample, a Statically Allocated Uniform Grid, a Hashed Uniform Grid and a Hierarchy of axis aligned bounding boxes.
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--- Basic usage ---
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Metro is a command-line tool which allows the user to select among different sampling schemes.
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@ -64,19 +65,21 @@ Usage: Metro file1 file2 [opts]
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where "file1" and "file2" are the input meshes in PLY, OFF or STL format, and opts can be:
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-v disable vertex sampling
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-e disable edge sampling
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-f disable face sampling
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-u does not ignore unreferred vertices and sample also unreferenced vertices
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(useful for sampling point clouds against meshes)
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-sx set the face sampling mode
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where x can be:
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-S0 montecarlo sampling
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-S1 subdivision sampling
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-S2 similar triangles sampling (Default)
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-n# set the required number of samples (overrides -a)
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-a# set the required number of samples per area unit (overrides -n)
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-c save computed error as vertex colour and quality in two ply files
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-C # # Set the min/max values used for color mapping (useful for taking snapshot with coherent color ramp)
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-L Remove duplicated and unreferenced vertices before processing to avoid
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-H write files with histograms of error distribution
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-v disable vertex sampling
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-e disable edge sampling
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-f disable face sampling
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-u ignore unreferred vertices
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-sx set the face sampling mode
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where x can be:
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-s0 montecarlo sampling
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-s1 subdivision sampling
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-s2 similar triangles sampling (Default)
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-n# set the required number of samples (overrides -A)
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-a# set the required number of samples per area unit (overrides -N)
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-c save a mesh with error as per-vertex colour and quality
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-C # # Set the min/max values used for color mapping
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-L Remove duplicated and unreferenced vertices before processing
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-h write files with histograms of error distribution
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-G Use a static Uniform Grid as Search Structure (default)
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-A Use an Axis Aligned Bounding Box Tree as Search Structure
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-H Use an Hashed Uniform Grid as Search Structure
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