dem.h
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上传日期:2015-12-11
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- /* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
- /*
- * Copyright (c) 1997 Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the Computer Systems
- * Engineering Group at Lawrence Berkeley Laboratory.
- * 4. Neither the name of the University nor of the Laboratory may be used
- * to endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- /* Ported from CMU/Monarch's code, nov'98 -Padma.*/
- #ifndef __dem_h__
- #define __dem_h__
- #ifndef __PRETTY_FUNCTION__
- #define __PRETTY_FUNCTION__ ("")
- #endif /* !__PRETTY_FUNCTION__ */
- struct ARecord {
- char q_name[145];
- int dl_code;
- int p_code;
- int pr_code;
- int z_code;
- float p_parm[15];
- int g_units; /* ground planimetric coordinates */
- int e_units; /* elevation coordinates */
- int sides;
- float corners[4][2];
- float min_elevation; /* minimum and maximum elevations */
- float max_elevation;
- float angle;
- int a_code; /* Accuracy code */
- float x_res; /* Spatial Resolution */
- float y_res;
- float z_res;
- int rows; /* number of rows and columns of profiles */
- int cols;
- };
- struct BRecord {
- int row_id;
- int col_id;
- int rows;
- int cols;
- float x_gpc;
- float y_gpc;
- float elevation;
- float min_elevation;
- float max_elevation;
- };
- class DEMFile {
- public:
- DEMFile(char *s) : fname(s), demfile(0) { }
- ~DEMFile() { if(demfile) fclose(demfile); }
- int* process(void);
- void dump_ARecord(void);
- void dump_BRecord(void);
- void dump_grid(void);
- void range(double &x, double &y);
- void resolution(double &r);
- private:
- int open(void);
- int read_int(void);
- float read_float(void);
- void read_field(void);
- char *fname;
- FILE *demfile;
- struct ARecord a;
- struct BRecord b;
- int *grid;
- char tempbuf[1024];
- };
- #endif /* __dem_h__ */