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/*PGR-GNU*****************************************************************
File: astar.sql
Generated with Template by:
Copyright (c) 2015 pgRouting developers
Mail: project@pgrouting.org
Function's developer:
Copyright (c) 2015 Celia Virginia Vergara Castillo
Mail:
------
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
********************************************************************PGR-GNU*/
-----------------------------
-- pgr_aStarCostMatrix
-----------------------------
--v3.0
CREATE FUNCTION pgr_aStarCostMatrix(
TEXT, -- edges sql (required)
ANYARRAY, -- vids (required)
directed BOOLEAN DEFAULT true,
heuristic INTEGER DEFAULT 5,
factor FLOAT DEFAULT 1.0,
epsilon FLOAT DEFAULT 1.0,
OUT start_vid BIGINT,
OUT end_vid BIGINT,
OUT agg_cost FLOAT)
RETURNS SETOF RECORD AS
$BODY$
SELECT a.start_vid, a.end_vid, a.agg_cost
FROM _pgr_astar(_pgr_get_statement($1), $2, $2, $3, $4, $5::FLOAT, $6::FLOAT, true) a;
$BODY$
LANGUAGE SQL VOLATILE STRICT
COST ${COST_HIGH} ROWS ${ROWS_HIGH};
-- COMMENT
COMMENT ON FUNCTION pgr_aStarCostMatrix(TEXT, ANYARRAY, BOOLEAN, INTEGER, FLOAT, FLOAT)
IS 'pgr_aStarCostMatrix
- Parameters:
- Edges SQL with columns: id, source, target, cost [,reverse_cost], x1, y1, x2, y2
- ARRAY [vertices identifiers]
- Optional Parameters:
- directed := true
- heuristic := 5
- factor := 1
- epsilon := 1
- Documentation:
- ${PROJECT_DOC_LINK}/pgr_aStarCostMatrix.html
';
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