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SF.net SVN: matplotlib:[7935] trunk/toolkits/basemap/src
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From: <js...@us...> - 2009-11-04 16:26:43
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Revision: 7935
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7935&view=rev
Author: jswhit
Date: 2009-11-04 16:26:37 +0000 (Wed, 04 Nov 2009)
Log Message:
-----------
new files in proj4 4.7.0
Added Paths:
-----------
trunk/toolkits/basemap/src/PJ_gstmerc.c
trunk/toolkits/basemap/src/pj_initcache.c
trunk/toolkits/basemap/src/pj_mutex.c
Added: trunk/toolkits/basemap/src/PJ_gstmerc.c
===================================================================
--- trunk/toolkits/basemap/src/PJ_gstmerc.c (rev 0)
+++ trunk/toolkits/basemap/src/PJ_gstmerc.c 2009-11-04 16:26:37 UTC (rev 7935)
@@ -0,0 +1,48 @@
+#define PROJ_PARMS__ \
+ double lamc;\
+ double phic;\
+ double c;\
+ double n1;\
+ double n2;\
+ double XS;\
+ double YS;
+
+#define PJ_LIB__
+# include <projects.h>
+PROJ_HEAD(gstmerc, "Gauss-Schreiber Transverse Mercator (aka Gauss-Laborde Reunion)")
+ "\n\tCyl, Sph&Ell\n\tlat_0= lon_0= k_0=";
+FORWARD(s_forward); /* spheroid */
+ double L, Ls, sinLs1, Ls1;
+ L= P->n1*lp.lam;
+ Ls= P->c+P->n1*log(pj_tsfn(-1.0*lp.phi,-1.0*sin(lp.phi),P->e));
+ sinLs1= sin(L)/cosh(Ls);
+ Ls1= log(pj_tsfn(-1.0*asin(sinLs1),0.0,0.0));
+ xy.x= (P->XS + P->n2*Ls1)*P->ra;
+ xy.y= (P->YS + P->n2*atan(sinh(Ls)/cos(L)))*P->ra;
+ /*fprintf(stderr,"fwd:\nL =%16.13f\nLs =%16.13f\nLs1 =%16.13f\nLP(%16.13f,%16.13f)=XY(%16.4f,%16.4f)\n",L,Ls,Ls1,lp.lam+P->lam0,lp.phi,(xy.x*P->a + P->x0)*P->to_meter,(xy.y*P->a + P->y0)*P->to_meter);*/
+ return (xy);
+}
+INVERSE(s_inverse); /* spheroid */
+ double L, LC, sinC;
+ L= atan(sinh((xy.x*P->a - P->XS)/P->n2)/cos((xy.y*P->a - P->YS)/P->n2));
+ sinC= sin((xy.y*P->a - P->YS)/P->n2)/cosh((xy.x*P->a - P->XS)/P->n2);
+ LC= log(pj_tsfn(-1.0*asin(sinC),0.0,0.0));
+ lp.lam= L/P->n1;
+ lp.phi= -1.0*pj_phi2(exp((LC-P->c)/P->n1),P->e);
+ /*fprintf(stderr,"inv:\nL =%16.13f\nsinC =%16.13f\nLC =%16.13f\nXY(%16.4f,%16.4f)=LP(%16.13f,%16.13f)\n",L,sinC,LC,((xy.x/P->ra)+P->x0)/P->to_meter,((xy.y/P->ra)+P->y0)/P->to_meter,lp.lam+P->lam0,lp.phi);*/
+ return (lp);
+}
+FREEUP; if (P) pj_dalloc(P); }
+ENTRY0(gstmerc)
+ P->lamc= P->lam0;
+ P->n1= sqrt(1.0+P->es*pow(cos(P->phi0),4.0)/(1.0-P->es));
+ P->phic= asin(sin(P->phi0)/P->n1);
+ P->c= log(pj_tsfn(-1.0*P->phic,0.0,0.0))
+ -P->n1*log(pj_tsfn(-1.0*P->phi0,-1.0*sin(P->phi0),P->e));
+ P->n2= P->k0*P->a*sqrt(1.0-P->es)/(1.0-P->es*sin(P->phi0)*sin(P->phi0));
+ P->XS= 0;/* -P->x0 */
+ P->YS= -1.0*P->n2*P->phic;/* -P->y0 */
+ P->inv= s_inverse;
+ P->fwd= s_forward;
+ /*fprintf(stderr,"a (m) =%16.4f\ne =%16.13f\nl0(rad)=%16.13f\np0(rad)=%16.13f\nk0 =%16.4f\nX0 (m)=%16.4f\nY0 (m)=%16.4f\n\nlC(rad)=%16.13f\npC(rad)=%16.13f\nc =%16.13f\nn1 =%16.13f\nn2 (m) =%16.4f\nXS (m) =%16.4f\nYS (m) =%16.4f\n", P->a, P->e, P->lam0, P->phi0, P->k0, P->x0, P->y0, P->lamc, P->phic, P->c, P->n1, P->n2, P->XS +P->x0, P->YS + P->y0);*/
+ENDENTRY(P)
Added: trunk/toolkits/basemap/src/pj_initcache.c
===================================================================
--- trunk/toolkits/basemap/src/pj_initcache.c (rev 0)
+++ trunk/toolkits/basemap/src/pj_initcache.c 2009-11-04 16:26:37 UTC (rev 7935)
@@ -0,0 +1,181 @@
+/******************************************************************************
+ * $Id: pj_transform.c 1504 2009-01-06 02:11:57Z warmerdam $
+ *
+ * Project: PROJ.4
+ * Purpose: init file definition cache.
+ * Author: Frank Warmerdam, war...@po...
+ *
+ ******************************************************************************
+ * Copyright (c) 2009, Frank Warmerdam
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *****************************************************************************/
+
+#include <projects.h>
+#include <string.h>
+
+PJ_CVSID("$Id: pj_transform.c 1504 2009-01-06 02:11:57Z warmerdam $");
+
+static int cache_count = 0;
+static int cache_alloc = 0;
+static char **cache_key = NULL;
+static paralist **cache_paralist = NULL;
+
+/************************************************************************/
+/* pj_clone_paralist() */
+/* */
+/* Allocate a copy of a parameter list. */
+/************************************************************************/
+
+paralist *pj_clone_paralist( const paralist *list)
+{
+ paralist *list_copy = NULL, *next_copy = NULL;
+
+ for( ; list != NULL; list = list->next )
+ {
+ paralist *newitem = (paralist *)
+ pj_malloc(sizeof(paralist) + strlen(list->param));
+
+ newitem->used = 0;
+ newitem->next = 0;
+ strcpy( newitem->param, list->param );
+
+ if( list_copy == NULL )
+ list_copy = newitem;
+ else
+ next_copy->next = newitem;
+
+ next_copy = newitem;
+ }
+
+ return list_copy;
+}
+
+/************************************************************************/
+/* pj_clear_initcache() */
+/* */
+/* Clear out all memory held in the init file cache. */
+/************************************************************************/
+
+void pj_clear_initcache()
+{
+ if( cache_alloc > 0 )
+ {
+ int i;
+
+ pj_acquire_lock();
+
+ for( i = 0; i < cache_count; i++ )
+ {
+ paralist *n, *t = cache_paralist[i];
+
+ pj_dalloc( cache_key[i] );
+
+ /* free parameter list elements */
+ for (; t != NULL; t = n) {
+ n = t->next;
+ pj_dalloc(t);
+ }
+ }
+
+ pj_dalloc( cache_key );
+ pj_dalloc( cache_paralist );
+ cache_count = 0;
+ cache_alloc= 0;
+ cache_key = NULL;
+ cache_paralist = NULL;
+
+ pj_release_lock();
+ }
+}
+
+/************************************************************************/
+/* pj_search_initcache() */
+/* */
+/* Search for a matching definition in the init cache. */
+/************************************************************************/
+
+paralist *pj_search_initcache( const char *filekey )
+
+{
+ int i;
+ paralist *result = NULL;
+
+ pj_acquire_lock();
+
+ for( i = 0; result == NULL && i < cache_count; i++)
+ {
+ if( strcmp(filekey,cache_key[i]) == 0 )
+ {
+ result = pj_clone_paralist( cache_paralist[i] );
+ }
+ }
+
+ pj_release_lock();
+
+ return result;
+}
+
+/************************************************************************/
+/* pj_insert_initcache() */
+/* */
+/* Insert a paralist definition in the init file cache. */
+/************************************************************************/
+
+void pj_insert_initcache( const char *filekey, const paralist *list )
+
+{
+ pj_acquire_lock();
+
+ /*
+ ** Grow list if required.
+ */
+ if( cache_count == cache_alloc )
+ {
+ char **cache_key_new;
+ paralist **cache_paralist_new;
+
+ cache_alloc = cache_alloc * 2 + 15;
+
+ cache_key_new = (char **) pj_malloc(sizeof(char*) * cache_alloc);
+ memcpy( cache_key, cache_key_new, sizeof(char*) * cache_count);
+ pj_dalloc( cache_key );
+ cache_key = cache_key_new;
+
+ cache_paralist_new = (paralist **)
+ pj_malloc(sizeof(paralist*) * cache_alloc);
+ memcpy( cache_paralist_new, cache_paralist,
+ sizeof(paralist*) * cache_count );
+ pj_dalloc( cache_paralist );
+ cache_paralist = cache_paralist_new;
+ }
+
+ /*
+ ** Duplicate the filekey and paralist, and insert in cache.
+ */
+ cache_key[cache_count] = (char *) pj_malloc(strlen(filekey)+1);
+ strcpy( cache_key[cache_count], filekey );
+
+ cache_paralist[cache_count] = pj_clone_paralist( list );
+
+ cache_count++;
+
+ pj_release_lock();
+}
+
Added: trunk/toolkits/basemap/src/pj_mutex.c
===================================================================
--- trunk/toolkits/basemap/src/pj_mutex.c (rev 0)
+++ trunk/toolkits/basemap/src/pj_mutex.c 2009-11-04 16:26:37 UTC (rev 7935)
@@ -0,0 +1,212 @@
+/******************************************************************************
+ * $Id: pj_transform.c 1504 2009-01-06 02:11:57Z warmerdam $
+ *
+ * Project: PROJ.4
+ * Purpose: Mutex (thread lock) functions.
+ * Author: Frank Warmerdam, war...@po...
+ *
+ ******************************************************************************
+ * Copyright (c) 2009, Frank Warmerdam
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *****************************************************************************/
+
+
+/* projects.h and windows.h conflict - avoid this! */
+
+#ifndef _WIN32
+#include <projects.h>
+PJ_CVSID("$Id: pj_transform.c 1504 2009-01-06 02:11:57Z warmerdam $");
+#else
+#include <proj_api.h>
+#endif
+
+#ifdef _WIN32
+# define MUTEX_win32
+#endif
+
+#if !defined(MUTEX_stub) && !defined(MUTEX_pthread) && !defined(MUTEX_win32)
+# define MUTEX_stub
+#endif
+
+static void pj_init_lock();
+
+/************************************************************************/
+/* ==================================================================== */
+/* stub mutex implementation */
+/* ==================================================================== */
+/************************************************************************/
+
+#ifdef MUTEX_stub
+
+/************************************************************************/
+/* pj_acquire_lock() */
+/* */
+/* Acquire the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_acquire_lock()
+{
+}
+
+/************************************************************************/
+/* pj_release_lock() */
+/* */
+/* Release the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_release_lock()
+{
+}
+
+/************************************************************************/
+/* pj_cleanup_lock() */
+/************************************************************************/
+void pj_cleanup_lock()
+{
+}
+
+/************************************************************************/
+/* pj_init_lock() */
+/************************************************************************/
+
+static void pj_init_lock()
+
+{
+}
+
+#endif // def MUTEX_stub
+
+/************************************************************************/
+/* ==================================================================== */
+/* pthread mutex implementation */
+/* ==================================================================== */
+/************************************************************************/
+
+#ifdef MUTEX_pthread
+
+#include "pthread.h"
+
+static pthread_mutex_t core_lock = PTHREAD_MUTEX_INITIALIZER;
+
+/************************************************************************/
+/* pj_acquire_lock() */
+/* */
+/* Acquire the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_acquire_lock()
+{
+ pthread_mutex_lock( &core_lock);
+}
+
+/************************************************************************/
+/* pj_release_lock() */
+/* */
+/* Release the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_release_lock()
+{
+ pthread_mutex_unlock( &core_lock );
+}
+
+/************************************************************************/
+/* pj_cleanup_lock() */
+/************************************************************************/
+void pj_cleanup_lock()
+{
+}
+
+/************************************************************************/
+/* pj_init_lock() */
+/************************************************************************/
+
+static void pj_init_lock()
+
+{
+}
+
+#endif // def MUTEX_pthread
+
+/************************************************************************/
+/* ==================================================================== */
+/* win32 mutex implementation */
+/* ==================================================================== */
+/************************************************************************/
+
+#ifdef MUTEX_win32
+
+#include <windows.h>
+
+static HANDLE mutex_lock = NULL;
+
+/************************************************************************/
+/* pj_acquire_lock() */
+/* */
+/* Acquire the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_acquire_lock()
+{
+ if( mutex_lock == NULL )
+ pj_init_lock();
+
+ WaitForSingleObject( mutex_lock, INFINITE );
+}
+
+/************************************************************************/
+/* pj_release_lock() */
+/* */
+/* Release the PROJ.4 lock. */
+/************************************************************************/
+
+void pj_release_lock()
+{
+ if( mutex_lock == NULL )
+ pj_init_lock();
+
+ ReleaseMutex( mutex_lock );
+}
+
+/************************************************************************/
+/* pj_cleanup_lock() */
+/************************************************************************/
+void pj_cleanup_lock()
+{
+ if( mutex_lock != NULL )
+ {
+ CloseHandle( mutex_lock );
+ mutex_lock = NULL;
+ }
+}
+
+/************************************************************************/
+/* pj_init_lock() */
+/************************************************************************/
+
+static void pj_init_lock()
+
+{
+ if( mutex_lock == NULL )
+ mutex_lock = CreateMutex( NULL, TRUE, NULL );
+}
+
+#endif // def MUTEX_win32
+
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