GRASS GIS 8 Programmer's Manual
8.5.0dev(2024)-847944e18e
card.h
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/****************************************************************************
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* MODULE: R-Tree library
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*
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* AUTHOR(S): Antonin Guttman - original code
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* Daniel Green (green@superliminal.com) - major clean-up
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* and implementation of bounding spheres
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* Markus Metz - file-based and memory-based R*-tree
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*
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* PURPOSE: Multidimensional index
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*
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* COPYRIGHT: (C) 2010 by the GRASS Development Team
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*
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* This program is free software under the GNU General Public
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* License (>=v2). Read the file COPYING that comes with GRASS
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* for details.
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*****************************************************************************/
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#ifndef __CARD__
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#define __CARD__
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/* balance criteria for node splitting */
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/* NOTE: can be changed if needed but
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* must be >= 2 and <= (t)->[nodecard|leafcard] / 2 */
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#define MinNodeFill(t) ((t)->minfill_node_split)
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#define MinLeafFill(t) ((t)->minfill_leaf_split)
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#define MAXKIDS(level, t) ((level) > 0 ? (t)->nodecard : (t)->leafcard)
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#define MINFILL(level, t) \
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((level) > 0 ? (t)->minfill_node_split : (t)->minfill_leaf_split)
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#endif
lib
vector
rtree
card.h
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