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vpfprop.c
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vpfprop.c
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/*************************************************************************
*
*N Module VPFPROP - VPF Properties Module
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* This module contains functions for returning various standard
* properties of VPF entities such as databases, libraries, coverages,
* and feature classes.
*
* All of the functions take character strings as arguments to
* identify VPF tables and directories. These character strings
* must not be passed NULL value parameters.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* N/A
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifndef INCL_XVTH
#include <xvt.h>
#endif
#ifndef __VPF_H__
#include "vpf.h"
#endif
#ifndef __VPFPROJ_H__
#include "vpfproj.h"
#endif
#ifndef _VPFTABLE_H_
#include "vpftable.h"
#endif
#ifndef __STRFUNC_H__
#include "strfunc.h"
#endif
#ifndef H_MUSEDIR
#include "musedir.h"
#endif
#ifndef __VPFPROP_H__
#include "vpfprop.h"
#endif
#ifndef MAXINT
#define MAXINT SHRT_MAX
#endif
/* Global Variables */
char *projection_names[] = {"Decimal Degrees",
"Albers Equal Area",
"Azimuthal Equal Area",
"Azimuthal Equal Distance",
"Gnomonic",
"Lambert Conformal Conic",
"Lambert Equal Area",
"Mercator",
"Oblique Mercator",
"Orthographic",
"Polar Stereographic",
"Transverse Mercator",
"UTM",
"Plate-Carree"};
extern void *vpf_forward_projection;
extern void *vpf_inverse_projection;
/*
Check the directory path separators against the operating system separators.
*/
#ifdef PROTO
void vpf_check_os_path( char *path )
#else
void vpf_check_os_path (path)
char *path;
#endif
{
char *p, vpf_separator, os_separator;
vpf_separator = VPF_SEPARATOR;
os_separator = OS_SEPARATOR;
if (vpf_separator == os_separator) return;
p = &path[0];
while (*p) {
if (*p == VPF_SEPARATOR) *p = OS_SEPARATOR;
p++;
}
}
/*
Set the case of the filename for the current operating system.
*/
#ifdef PROTO
char *os_case( char *filename )
#else
char *os_case (filename)
char *filename;
#endif
{
char str[255];
strcpy(str,filename);
#ifdef _MSDOS
return strupr(str);
#else
return strlwr(str);
#endif
}
/* The following function is a modification of file_exists using "access" */
/* rather that "stat" to make it more portable DGM */
#ifdef PROTO
int32 file_exists( char *filepath )
#else
int32 file_exists (filepath)
char *filepath;
#endif
{
char *copy;
int32 found;
if (muse_access (filepath, 00) == 0) return 1;
found = 0;
/* filepath not found - try a '.' extension */
copy = (char *)xvt_malloc(strlen(filepath)+2);
if (!copy) {
xvt_note ("memory allocation error in vpfprop::file_exists()\n");
return 0;
}
strcpy(copy,filepath);
strcat(copy,".");
if (muse_access(copy, 00)==0) found = 1;
xvt_free(copy);
return found;
}
/*************************************************************************
*
*N database_library_names
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns an array of the library names in a specified VPF database.
* The number of library names in the array is returned in nlibs.
* The array of strings is dynamically allocated and each array element
* as well as the array itself should be freed when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* dbpath <input>==(char *) path the the VPF database.
* nlibs <output>==(int *) the number of libraries in the database.
* return <output>==(char **) array of library names in the database.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char **database_library_names( char *dbpath, int32 *nlibs )
#else
char **database_library_name (dbpath, nlibs)
char *dbpath;
int32 *nlibs;
#endif
{
vpf_table_type table;
row_type row;
int32 LIB_, n, i;
char **libname, path[255];
*nlibs = 0;
strcpy(path,dbpath);
vpf_check_os_path(path);
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("LAT"));
if (!file_exists(path)) return (char **)NULL;
table = vpf_open_table( path, disk, "rb", NULL );
if (!table.fp) return (char **)NULL;
LIB_ = table_pos("LIBRARY_NAME",table);
if (LIB_ < 0) {
xvt_note ("vpfprop::database_library_names: ");
xvt_note ("Invalid LAT (%s) - missing LIBRARY_NAME field\n",
dbpath);
vpf_close_table(&table);
return (char **)NULL;
}
libname = (char**)xvt_zmalloc ((size_t)table.nrows * sizeof(char*));
if (!libname) {
vpf_close_table(&table);
return (char **)NULL;
}
*nlibs = (int32)table.nrows;
for (i=0;i<table.nrows;i++) {
row = read_next_row(table);
libname[i] = (char *)get_table_element(LIB_,row,table,NULL,&n);
free_row(row,table);
}
vpf_close_table(&table);
return libname;
}
/*************************************************************************
*
*N database_producer
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns the name of the VPF database producer.
* The character string is dynamically allocated and should be freed
* when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* dbpath <input>==(char *) path the the VPF database.
* return <output>==(char *) database producer.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char *database_producer( char *dbpath )
#else
char *database_producer (dbpath)
char *dbpath;
#endif
{
char path[255], *producer=(char *)NULL;
int32 PROD_,n;
row_type row;
vpf_table_type table;
strcpy(path,dbpath);
vpf_check_os_path(path);
rightjust(path);
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("DHT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::database_producer: %s not found\n",path);
return producer;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::database_producer: Error opening %s\n",path);
return producer;
}
PROD_ = table_pos("ORIGINATOR",table);
if (PROD_ < 0) {
xvt_note ("vpfprop::database_producer: Invalid DHT (%s) - missing ORIGINATOR field\n",
path);
vpf_close_table(&table);
return producer;
}
row = read_next_row(table);
producer = (char *)get_table_element(PROD_,row,table,NULL,&n);
free_row(row,table);
vpf_close_table(&table);
return producer;
}
/*************************************************************************
*
*N library_description
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns the text description of the specified VPF library in the
* specified database.
* The character string is dynamically allocated and should be freed
* when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* database_path <input>==(char *) path the the VPF database.
* library <input>==(char *) library name.
* return <output>==(char *) description of the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char *library_description( char *database_path, char *library )
#else
char *library_description (database_path, library)
char *database_path;
char *library;
#endif
{
char path[255],lib[16], *description=(char *)NULL;
int32 DESC_,n;
vpf_table_type table;
row_type row;
strcpy(path,database_path);
vpf_check_os_path(path);
rightjust(path);
strcat(path,OS_SEPARATOR_STRING);
strcpy(lib,library);
rightjust(lib);
strcat(path,os_case(lib));
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("LHT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::library_description: %s not found\n",path);
return description;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::library_description: Error opening %s\n",path);
return description;
}
DESC_ = table_pos("DESCRIPTION",table);
if (DESC_ < 0) {
xvt_note ("vpfprop::library_description: Invalid LHT (%s) - missing DESCRIPTION field\n",
path);
vpf_close_table(&table);
return description;
}
row = read_next_row(table);
description = (char *)get_table_element(DESC_,row,table,NULL,&n);
free_row(row,table);
vpf_close_table(&table);
return description;
}
/*************************************************************************
*
*N library_extent
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns the geographic extent of the specified VPF library in the
* coordinate system for the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* database_path <input>==(char *) path the the VPF database.
* library <input>==(char *) library name.
* return <output>==(extent_type) geographic extent of the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
extent_type library_extent( char *database_path, char *library )
#else
extent_type library_extent (database_path, library)
char *database_path, *library;
#endif
{
static extent_type extent = {0.0,0.0,0.0,0.0};
char path[255], *lib, found;
int32 LIB_, XMIN_, YMIN_, XMAX_, YMAX_, i, n;
float x1, y1, x2, y2;
vpf_table_type table;
row_type row;
strcpy(path,database_path);
vpf_check_os_path(path);
rightjust(path);
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("LAT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::library_extent: %s not found\n",path);
return extent;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::library_extent: Error opening %s\n",path);
return extent;
}
LIB_ = table_pos("LIBRARY_NAME",table);
if (LIB_ < 0) {
xvt_note ("vpfprop::library_extent: Invalid LAT (%s) - missing LIBRARY_NAME field\n",
path);
vpf_close_table(&table);
return extent;
}
XMIN_ = table_pos("XMIN",table);
if (XMIN_ < 0) {
xvt_note ("vpfprop::library_extent: Invalid LAT (%s) - missing XMIN field\n",
path);
vpf_close_table(&table);
return extent;
}
YMIN_ = table_pos("YMIN",table);
if (YMIN_ < 0) {
xvt_note ("vpfprop::library_extent: Invalid LAT (%s) - missing YMIN field\n",
path);
vpf_close_table(&table);
return extent;
}
XMAX_ = table_pos("XMAX",table);
if (XMAX_ < 0) {
xvt_note ("vpfprop::library_extent: Invalid LAT (%s) - missing XMAX field\n",
path);
vpf_close_table(&table);
return extent;
}
YMAX_ = table_pos("YMAX",table);
if (YMAX_ < 0) {
xvt_note ("vpfprop::library_extent: Invalid LAT (%s) - missing YMAX field\n",
path);
vpf_close_table(&table);
return extent;
}
found = 0;
for (i=0;i<table.nrows;i++) {
row = read_next_row(table);
lib = (char *)get_table_element(LIB_,row,table,NULL,&n);
rightjust(lib);
if (Mstrcmpi (lib,library)==0)
{
found = 1;
/* get extent */
get_table_element(XMIN_,row,table,&x1,&n);
get_table_element(YMIN_,row,table,&y1,&n);
get_table_element(XMAX_,row,table,&x2,&n);
get_table_element(YMAX_,row,table,&y2,&n);
extent.x1 = x1;
extent.y1 = y1;
extent.x2 = x2;
extent.y2 = y2;
}
xvt_free(lib);
free_row(row,table);
if (found) break;
}
vpf_close_table(&table);
if (!found)
xvt_note (
"vpfprop::library_extent: Library %s not found for database %s\n",
library, database_path);
return extent;
}
/*************************************************************************
*
*N library_security
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns the security classification of the VPF library at the
* specified directory path.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* library_path <input>==(char *) path the the VPF library.
* return <output>==(security_type) security classification
* of the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
security_type library_security( char *library_path )
#else
security_type library_security (library_path)
char *library_path;
#endif
{
char path[255],sec;
int32 SEC_,n;
security_type security=UNKNOWN_SECURITY;
vpf_table_type table;
row_type row;
if (!library_path) {
xvt_note ("vpfprop::library_security: no path specified\n");
return security;
}
strcpy(path,library_path);
vpf_check_os_path(path);
rightjust(path);
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("LHT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::library_security: %s not found\n",path);
return security;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::library_security: Error opening %s\n",path);
return security;
}
SEC_ = table_pos("SECURITY_CLASS",table);
if (SEC_ < 0) {
xvt_note ("vpfprop::library_security: Invalid LHT (%s) - missing SECURITY_CLASS field\n",
path);
vpf_close_table(&table);
return security;
}
row = read_next_row(table);
get_table_element(SEC_,row,table,&sec,&n);
free_row(row,table);
vpf_close_table(&table);
switch (sec) {
case 'U':
security = UNCLASSIFIED;
break;
case 'R':
security = RESTRICTED;
break;
case 'C':
security = CONFIDENTIAL;
break;
case 'S':
security = SECRET;
break;
case 'T':
security = TOP_SECRET;
break;
}
return security;
}
/*************************************************************************
*
*N library_coverage_names
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns an array of coverage names present in the specified library.
* The number of coverages is returned in ncov. The array of strings
* is dynamically allocated and each array element as well as the
* array itself should be freed when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* library_path <input>==(char *) path the the VPF library.
* ncov <output>==(int32 *) number of coverages in the library.
* return <output>==(char **) array of coverage names in the
* library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char **library_coverage_names( char *library_path, int32 *ncov )
#else
char **library_coverage_names (library_path, ncov)
char *library_path, *ncov;
#endif
{
char **covname = (char **)NULL;
char path[255];
vpf_table_type table;
row_type row;
int32 i,n;
int32 COV_;
*ncov = 0;
strcpy(path,library_path);
rightjust(path);
if (path[strlen(path)-1] != OS_SEPARATOR)
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("CAT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::library_coverage_names: ");
xvt_note ("Invalid VPF library (%s) - CAT missing\n",library_path);
return covname;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::library_coverage_names: ");
xvt_note ("Error opening %s\n",path);
return covname;
}
COV_ = table_pos("COVERAGE_NAME",table);
if (COV_ < 0) {
xvt_note ("vpfprop::library_coverage_names: ");
xvt_note ("%s - Invalid CAT - missing COVERAGE_NAME field\n",
library_path);
vpf_close_table(&table);
return covname;
}
covname = (char **)xvt_malloc ((size_t)table.nrows * sizeof (char*));
if (!covname) {
xvt_note ("vpfprop::library_coverage_names: ");
xvt_note ("Memory allocation error\n");
vpf_close_table(&table);
return covname;
}
for (i=0;i<table.nrows;i++) {
row = read_next_row(table);
covname[i] = (char *)get_table_element(COV_,row,table,NULL,&n);
free_row(row,table);
}
*ncov = (int32)table.nrows;
vpf_close_table(&table);
return covname;
}
/*************************************************************************
*
*N library_coverage_descriptions
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns an array of coverage descriptions present in the specified
* library. The number of coverages is returned in ncov. The array of
* strings is dynamically allocated and each array element as well
* as the array itself should be freed when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* library_path <input>==(char *) path the the VPF library.
* ncov <output>==(int32 *) number of coverages in the library.
* return <output>==(char **) array of coverage descriptions in
* the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char **library_coverage_descriptions( char *library_path, int32 *ncov )
#else
char **library_coverage_descriptions (library_path, ncov)
char *library_path, *ncov;
#endif
{
char **covdesc = (char **)NULL;
char path[255];
vpf_table_type table;
row_type row;
int32 i,n;
int32 DESC_;
*ncov = 0;
strcpy(path,library_path);
rightjust(path);
if (path[strlen(path)-1] != OS_SEPARATOR)
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("CAT"));
if (!file_exists(path)) {
xvt_note ("vpfprop::library_coverage_descriptions: ");
xvt_note ("Invalid VPF library (%s) - CAT missing\n",
library_path);
return covdesc;
}
table = vpf_open_table(path,disk,"rb",NULL);
if (!table.fp) {
xvt_note ("vpfprop::library_coverage_descriptions: ");
xvt_note ("Error opening %s\n",path);
return covdesc;
}
DESC_ = table_pos("DESCRIPTION",table);
if (DESC_ < 0) {
xvt_note ("vpfprop::library_coverage_descriptions: ");
xvt_note ("%s - Invalid CAT - missing DESCRIPTION field\n",
library_path);
vpf_close_table(&table);
return covdesc;
}
covdesc = (char**)xvt_malloc ((size_t)table.nrows * sizeof(char*));
if (!covdesc) {
xvt_note ("vpfprop::library_coverage_descriptions: ");
xvt_note ("Memory allocation error\n");
vpf_close_table(&table);
return covdesc;
}
for (i=0;i<table.nrows;i++) {
row = read_next_row(table);
covdesc[i] = (char *)get_table_element(DESC_,row,table,NULL,&n);
free_row(row,table);
}
*ncov = (int32)table.nrows;
vpf_close_table(&table);
return covdesc;
}
/*************************************************************************
*
*N library_feature_class_names
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns an array of all of the feature classes in an entire library.
* The strings will be of the form "<cov>\<fcname>" where <cov> is the
* name of the coverage and <fcname> is the name of the feature class.
* The number of feature classes is returned in nfc. The array of
* strings is dynamically allocated and each array element as well
* as the array itself should be freed when no longer needed.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* library_path <input>==(char *) path the the VPF library.
* nfc <output>==(long *) number of feature classes in the
* library.
* return <output>==(char **) array of coverage name\feature
* class name pairs in the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
char **library_feature_class_names( char *library_path, int32 *nfc )
#else
char **library_feature_class_names (library_path, nfc)
char *library_path;
int32 *nfc;
#endif
{
char ncov;
int32 i,j,k,n;
char path[255];
char **ptr, **coverages, **subset, **fcnames=(char **)NULL;
*nfc=0;
strcpy(path,library_path);
vpf_check_os_path(path);
rightjust(path);
if (!file_exists(path)) {
xvt_note ("vpfprop::library_feature_class_names: %s not found\n",
path);
return fcnames;
}
coverages = library_coverage_names( path, &ncov );
if (ncov == 0) {
xvt_note ("vpfprop::library_feature_class_names: No coverages in library %s\n",
path);
return fcnames;
}
for (i=0;i<ncov;i++) {
rightjust(coverages[i]);
}
fcnames = (char **)xvt_malloc(sizeof(char *));
if (!fcnames) {
xvt_note ("vpfprop::library_feature_class_names: Memory allocation error\n");
return fcnames;
}
for (i=0;i<ncov;i++) {
subset = coverage_feature_class_names(path,coverages[i],&n);
if (!subset) continue;
for (j=0;j<n;j++) {
rightjust(subset[j]);
}
*nfc += n;
ptr = (char**)realloc (fcnames, (size_t)(sizeof (char*) * (*nfc)));
if (!ptr) {
xvt_note ("vpfprop::library_feature_class_names: ");
xvt_note ("Memory allocation error\n");
for (j=0;j<(*nfc)-n;j++) {
xvt_free(fcnames[j]);
}
xvt_free ((char*)fcnames);
*nfc = 0;
for (j=0;j<n;j++) {
xvt_free(subset[j]);
}
xvt_free ((char*)subset);
return (char **)NULL;
}
fcnames = ptr;
for (j=(*nfc)-n;j<(*nfc);j++) {
fcnames[j] = (char *)xvt_malloc(sizeof(char)*(strlen(coverages[i])+
strlen(subset[j-((*nfc)-n)])+
2));
if (!fcnames[j]) {
for (k=0;k<j;k++) {
xvt_free(fcnames[k]);
}
xvt_free ((char*)fcnames);
for (k=0;k<ncov;k++) {
xvt_free(coverages[k]);
}
xvt_free ((char*)coverages);
for (k=0;k<n;k++) {
xvt_free(subset[k]);
}
xvt_free ((char*)subset);
xvt_note (
"vpfprop::library_feature_class_names: Memory allocation error\n");
return (char **)NULL;
}
sprintf (fcnames[j], "%s%c%s",
coverages[i],VPF_SEPARATOR,subset[j-((*nfc)-n)]);
}
for (j=0;j<n;j++) {
xvt_free(subset[j]);
}
xvt_free ((char*)subset);
}
for (i=0;i<ncov;i++) {
xvt_free(coverages[i]);
}
xvt_free ((char*)coverages);
return fcnames;
}
/*************************************************************************
*
*N library_tile_height
*
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Purpose:
*P
* Returns the minimum tile height in the specified library.
* The tile height is returned in the stored coordinate system
* for the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* Parameters:
*A
* library_path <input>==(char *) path the the VPF library.
* return <output>==(double) minimum tile height in the library.
*E
*::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
*
* History:
*H
* Barry Michaels Nov 1992 gcc
*E
*************************************************************************/
#ifdef PROTO
double library_tile_height( char *library_path )
#else
double library_tile_height (library_path)
char *library_path;
#endif
{
double tileheight=0.0;
vpf_table_type table;
row_type row;
char path[255], dbpath[255],*libname;
int32 i, n;
int32 YMIN_, YMAX_, XMIN_, XMAX_;
double x1, y1, x2, y2;
extent_type libextent;
/* for dec degrees */
vpf_projection_type libproj;
void (*invproj)()=NULL;
libproj = library_projection(library_path);
set_vpf_forward_projection(libproj);
set_vpf_inverse_projection(libproj);
#if 0
if (libproj.code > DDS) {
invproj = vpf_inverse_projection[libproj.code];
}
#endif
strcpy(path,library_path);
vpf_check_os_path(path);
rightjust(path);
if (path[strlen(path)-1] != OS_SEPARATOR)
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("TILEREF"));
strcat(path,OS_SEPARATOR_STRING);
strcat(path,os_case("FBR"));