mirror of
https://gitlab.kitware.com/vtk/vtk-m
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98 lines
4.8 KiB
C
98 lines
4.8 KiB
C
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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// Copyright (c) 2016, Los Alamos National Security, LLC
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// All rights reserved.
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//
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// Copyright 2016. Los Alamos National Security, LLC.
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// This software was produced under U.S. Government contract DE-AC52-06NA25396
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// for Los Alamos National Laboratory (LANL), which is operated by
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// Los Alamos National Security, LLC for the U.S. Department of Energy.
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// The U.S. Government has rights to use, reproduce, and distribute this
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// software. NEITHER THE GOVERNMENT NOR LOS ALAMOS NATIONAL SECURITY, LLC
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// MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR ASSUMES ANY LIABILITY FOR THE
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// USE OF THIS SOFTWARE. If software is modified to produce derivative works,
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// such modified software should be clearly marked, so as not to confuse it
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// with the version available from LANL.
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//
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// Additionally, redistribution and use in source and binary forms, with or
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// without modification, are permitted provided that the following conditions
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// are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// 3. Neither the name of Los Alamos National Security, LLC, Los Alamos
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// National Laboratory, LANL, the U.S. Government, nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY LOS ALAMOS NATIONAL SECURITY, LLC AND
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// CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
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// BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL LOS ALAMOS
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// NATIONAL SECURITY, LLC OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//============================================================================
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// This code is based on the algorithm presented in the paper:
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// “Parallel Peak Pruning for Scalable SMP Contour Tree Computation.”
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// Hamish Carr, Gunther Weber, Christopher Sewell, and James Ahrens.
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// Proceedings of the IEEE Symposium on Large Data Analysis and Visualization
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// (LDAV), October 2016, Baltimore, Maryland.
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#ifndef vtkm_worklet_contourtree_mesh3d_dem_triangulation_macros_h
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#define vtkm_worklet_contourtree_mesh3d_dem_triangulation_macros_h
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// macro definitions
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#define N_EDGE_TYPES 3
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#define EDGE_TYPE_HORIZONTAL 0
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#define EDGE_TYPE_VERTICAL 1
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#define EDGE_TYPE_DIAGONAL 2
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#define N_INCIDENT_EDGES_3D 14
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#define MAX_OUTDEGREE_3D 6
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// vertex row
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#define VERTEX_ROW_3D(V, NROWS, NCOLS) (((V) % (NROWS * NCOLS)) / NCOLS)
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// vertex column
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#define VERTEX_COL_3D(V, NROWS, NCOLS) ((V) % (NCOLS))
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// vertex slice
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#define VERTEX_SLICE_3D(V, NROWS, NCOLS) ((V) / (NROWS * NCOLS))
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// vertex ID - row * ncols + col
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#define VERTEX_ID_3D(S, R, C, NROWS, NCOLS) (((S)*NROWS + (R)) * (NCOLS) + (C))
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// edge row - edge / (ncols * nEdgeTypes)
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#define EDGE_ROW(E, NCOLS) ((E) / ((NCOLS) * (N_EDGE_TYPES)))
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// edge col - (edge / nEdgeTypes) % nCols
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#define EDGE_COL(E, NCOLS) (((E) / (N_EDGE_TYPES)) % (NCOLS))
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// edge which - edge % nEdgeTypes
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#define EDGE_WHICH(E) ((E) % (N_EDGE_TYPES))
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// edge ID - (row * ncols + col) * nEdgeTypes + which
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#define EDGE_ID(R, C, W, NCOLS) ((((R) * (NCOLS) + (C)) * (N_EDGE_TYPES)) + (W))
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// edge from - vertex with same row & col
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#define EDGE_FROM(E, NCOLS) VERTEX_ID(EDGE_ROW(E, NCOLS), EDGE_COL(E, NCOLS), NCOLS)
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// edge to - edge from +1 col if not vertical, +1 row if not horizontal
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#define EDGE_TO(E, NCOLS) \
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VERTEX_ID(EDGE_ROW(E, NCOLS) + ((EDGE_WHICH(E) == EDGE_TYPE_HORIZONTAL) ? 0 : 1), \
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EDGE_COL(E, NCOLS) + ((EDGE_WHICH(E) == EDGE_TYPE_VERTICAL) ? 0 : 1), \
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NCOLS)
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#endif
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