/* chrono.c */
/*
* Vis5D system for visualizing five dimensional gridded data sets.
* Copyright (C) 1990 - 2000 Bill Hibbard, Johan Kellum, Brian Paul,
* Dave Santek, and Andre Battaiola.
*
* 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.
*
* As a special exception to the terms of the GNU General Public
* License, you are permitted to link Vis5D with (and distribute the
* resulting source and executables) the LUI library (copyright by
* Stellar Computer Inc. and licensed for distribution with Vis5D),
* the McIDAS library, and/or the NetCDF library, where those
* libraries are governed by the terms of their own licenses.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "../config.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "api.h"
#include "globals.h"
#include "chrono.h"
#include "vis5d.h"
int not_duplicate_timestep( Display_Context dtx, int tcount)
{
int icr, dex;
int different;
for (icr = 0; icr < tcount; icr++){
different = 0;
for (dex = 0; dex < dtx->numofctxs; dex++){
if (dtx->TimeStep[tcount].ownerstimestep[dex] !=
dtx->TimeStep[icr].ownerstimestep[dex]){
different = 1;
}
}
for (dex = dtx->numofctxs; dex < dtx->numofitxs + dtx->numofctxs; dex++){
if (dtx->TimeStep[tcount].ownerstimestep[dex] !=
dtx->TimeStep[icr].ownerstimestep[dex]){
different = 1;
}
}
if (!different){/* found a similar TimeStep */
return 0;
}
}
/* found NO similar timesteps */
return 1;
}
void create_elapsed_times( Display_Context dtx )
{
int firstst, firstdt,yo, yikes, lastdt, lastst;
int daytyme, sectyme;
lastdt = lastst = -1;
firstdt = 999999999;
firstst = 999999999;
for (yo = 0; yo < dtx->numofctxs; yo++){
vis5d_get_ctx_time_stamp( dtx->TimeStep[0].owners[yo],
dtx->TimeStep[0].ownerstimestep[yo],
&daytyme, §yme);
if (daytyme < firstdt && sectyme <= firstst){
firstdt = daytyme;
firstst = sectyme;
}
}
for (yo = dtx->numofctxs; yo < dtx->numofitxs; yo++){
vis5d_get_itx_time_stamp( dtx->TimeStep[0].owners[yo],
dtx->TimeStep[0].ownerstimestep[yo],
&daytyme, §yme);
if (daytyme < firstdt && sectyme <= firstst){
firstdt = daytyme;
firstst = sectyme;
}
}
for (yo = 0; yo < dtx->NumTimes; yo++){
lastdt = lastst = -1;
/* Find last timestamp out of all the owners */
for(yikes = 0; yikes < dtx->numofctxs; yikes++){
vis5d_get_ctx_time_stamp( dtx->TimeStep[yo].owners[yikes],
dtx->TimeStep[yo].ownerstimestep[yikes],
&daytyme, §yme);
if (daytyme >= lastdt && sectyme > lastst ){
lastdt = daytyme;
lastst = sectyme;
}
}
for(yikes = dtx->numofctxs; yikes < dtx->numofitxs; yikes++){
vis5d_get_itx_time_stamp( dtx->TimeStep[yo].owners[yikes],
dtx->TimeStep[yo].ownerstimestep[yikes],
&daytyme, §yme);
if (daytyme >= lastdt && sectyme > lastst ){
lastdt = daytyme;
lastst = sectyme;
}
}
if (yo == 0){
dtx->Elapsed[0]=0;
}
else{
dtx->Elapsed[yo] = ((lastdt-firstdt)*24*60*60) +
(lastst-firstst);
}
}
}
void calculate_display_time_steps( Display_Context dtx )
{
int erly_day, erly_sec;
int ctxday, ctxsec;
int yo, spandex;
int tmaxsec;
int maxsec, maxday, best_day, best_sec;
int ctx_loop, tyme, abs_sec, abs_day;
int tempday, tempsec, closest_tyme, timecount;
int netcolumntype, netcolumn, ctx_numtimes[VIS5D_MAX_CONTEXTS];
int ctx_time_position[VIS5D_MAX_DPY_CONTEXTS];
int itx_numtimes[VIS5D_MAX_CONTEXTS];
int itx_time_position[VIS5D_MAX_DPY_CONTEXTS];
int itxday, itxsec;
/********************************************/
/* initialize the ctx_time_postions to zero */
/********************************************/
for (yo=0; yo < VIS5D_MAX_CONTEXTS; yo++){
ctx_time_position[yo] = 0;
itx_time_position[yo] = 0;
}
/******************************************/
/* initialize numtimes for each vis5d ctx */
/******************************************/
maxday = maxsec = -1;
yo = 0;
for (yo=0; yo < dtx->numofctxs; yo++){
int tmaxday;
spandex = dtx->ctxarray[yo];
vis5d_get_ctx_numtimes( spandex, &ctx_numtimes[spandex]);
vis5d_get_ctx_time_stamp( spandex, ctx_numtimes[spandex]-1, &tmaxday, &tmaxsec);
if ((tmaxday > maxday) || (tmaxday == maxday && tmaxsec > maxsec)){
maxday = tmaxday;
maxsec = tmaxsec;
}
}
for (yo=0; yo < dtx->numofitxs; yo++){
int tmaxday;
spandex = dtx->itxarray[yo];
vis5d_get_itx_numtimes( spandex, &itx_numtimes[spandex]);
vis5d_get_itx_time_stamp( spandex, itx_numtimes[spandex]-1,
&tmaxday, &tmaxsec);
if ((tmaxday > maxday) || (tmaxday == maxday && tmaxsec > maxsec)){
maxday = tmaxday;
maxsec = tmaxsec;
}
}
erly_day = erly_sec = 10000000;
timecount = 0;
spandex = dtx->ctxarray[0];
if (dtx->numofctxs == 1 && dtx->numofitxs == 0 && ctx_numtimes[spandex] == 1){
dtx->NumTimes = 1;
dtx->TimeStep[0].ownertype[0] = REGULAR_TYPE;
dtx->TimeStep[0].owners[0] = spandex;
dtx->TimeStep[0].ownerstimestep[0] = 0;
create_elapsed_times(dtx);
return;
}
spandex = dtx->itxarray[0];
if (dtx->numofctxs == 0 && dtx->numofitxs == 1 && itx_numtimes[spandex] == 1){
dtx->NumTimes = 1;
dtx->TimeStep[0].ownertype[0] = IRREGULAR_TYPE;
dtx->TimeStep[0].owners[0] = spandex;
dtx->TimeStep[0].ownerstimestep[0] = 0;
create_elapsed_times(dtx);
return;
}
/*******************************/
/* do the main organizing loop */
/*******************************/
while(1){
int thisone;
/**********************************************/
/* find the next earliest time stamp/step NET*/
/**********************************************/
erly_day = erly_sec = 10000000;
/**************/
/* check ctxs */
/**************/
for (yo=0; yo < dtx->numofctxs; yo++){
spandex = dtx->ctxarray[yo];
vis5d_get_ctx_time_stamp( spandex, ctx_time_position[spandex],
&ctxday, &ctxsec);
if((ctxday<erly_day) || ((ctxday == erly_day) && (ctxsec <erly_sec))){
if (ctx_time_position[spandex] < ctx_numtimes[spandex]){
erly_day = ctxday;
erly_sec = ctxsec;
netcolumn = yo;
netcolumntype = REGULAR_TYPE;
thisone = spandex;
}
}
} /* erly_day/erly_sec should now be the NET */
/**************/
/* check itxs */
/**************/
for (yo=0; yo < dtx->numofitxs; yo++){
spandex = dtx->itxarray[yo];
vis5d_get_itx_time_stamp( spandex, itx_time_position[spandex],
&itxday, &itxsec);
if((itxday<erly_day) || ((itxday == erly_day) && (itxsec <erly_sec))){
if (itx_time_position[spandex] < itx_numtimes[spandex]){
erly_day = itxday;
erly_sec = itxsec;
netcolumn = yo;
netcolumntype = IRREGULAR_TYPE;
thisone = spandex;
}
}
} /* erly_day/erly_sec should now be the NET */
if (netcolumntype == REGULAR_TYPE){
ctx_time_position[thisone]++;
}
else{
itx_time_position[thisone]++;
}
/*********************************/
/* check for similar time stamps */
/*********************************/
/**************/
/* check ctxs */
/**************/
for(yo=0; yo < dtx->numofctxs; yo++){
spandex = dtx->ctxarray[yo];
vis5d_get_ctx_time_stamp( spandex, ctx_time_position[spandex],
&ctxday, &ctxsec);
if (ctxday == erly_day && ctxsec == erly_sec &&
spandex != thisone ){
ctx_time_position[spandex]++;
}
}
/**************/
/* check itxs */
/**************/
for(yo=0; yo < dtx->numofitxs; yo++){
spandex = dtx->itxarray[yo];
vis5d_get_itx_time_stamp( spandex, itx_time_position[spandex],
&itxday, &itxsec);
if (itxday == erly_day && itxsec == erly_sec &&
spandex != thisone ){
itx_time_position[spandex]++;
}
}
if (erly_day == maxday && erly_sec == maxsec){
/***********************************/
/* make last time step, then done! */
/***********************************/
/********/
/* ctxs */
/********/
for (yo = 0; yo < dtx->numofctxs; yo++){
spandex = dtx->ctxarray[yo];
dtx->TimeStep[timecount].ownertype[yo] = REGULAR_TYPE;
dtx->TimeStep[timecount].owners[yo] = spandex;
dtx->TimeStep[timecount].ownerstimestep[yo] = ctx_numtimes[spandex]-1;
dtx->DayStamp[timecount] = erly_day;
dtx->TimeStamp[timecount] = erly_sec;
}
/********/
/* itxs */
/********/
for (yo = dtx->numofctxs; yo < dtx->numofitxs + dtx->numofctxs; yo++){
/* MJK 1.8.00
for (yo = dtx->numofctxs; yo < dtx->numofitxs; yo++){
*/
spandex = dtx->itxarray[yo];
dtx->TimeStep[timecount].ownertype[yo] = IRREGULAR_TYPE;
dtx->TimeStep[timecount].owners[yo] = spandex;
dtx->TimeStep[timecount].ownerstimestep[yo] = itx_numtimes[spandex]-1;
dtx->DayStamp[timecount] = erly_day;
dtx->TimeStamp[timecount] = erly_sec;
}
if ( not_duplicate_timestep( dtx, timecount) ){
dtx->NumTimes = timecount + 1;
}
else{
dtx->NumTimes = timecount;
}
create_elapsed_times(dtx);
return;
}
for (ctx_loop = 0; ctx_loop < dtx->numofctxs + dtx->numofitxs; ctx_loop++){
/*******/
/* ctx */
/*******/
if (ctx_loop < dtx->numofctxs){
spandex = dtx->ctxarray[ctx_loop];
}
/*******/
/* itx */
/*******/
else{
spandex = dtx->itxarray[ctx_loop - dtx->numofctxs];
}
closest_tyme = -7;
best_day = best_sec = 10000000;
if (ctx_loop < dtx->numofctxs){
/*******/
/* ctx */
/*******/
for (tyme = 0; tyme < ctx_numtimes[spandex]; tyme++){
vis5d_get_ctx_time_stamp( spandex, tyme, &tempday, &tempsec);
/**************************************************/
/* get the absolut value of the difference in the */
/* two times, temp_time and erly_time */
/**************************************************/
if (tempday < erly_day || (tempday == erly_day && tempsec < erly_sec)){
/* temptime is in the past */
if (tempsec > erly_sec){
abs_sec = 86400 - tempsec + erly_sec;
abs_day = erly_day - tempday - 1;
}
else if (tempsec <= erly_sec){
abs_sec = erly_sec - tempsec;
abs_day = erly_day - tempday;
}
}
else if (tempday > erly_day || (tempday == erly_day && tempsec >erly_sec)){
/* temptime is in the future */
if (tempsec >= erly_sec){
abs_sec = tempsec - erly_sec;
abs_day = tempday - erly_day;
}
else if (tempsec < erly_sec){
abs_sec = 86400 - erly_sec + tempsec;
abs_day = tempday - erly_day - 1;
}
}
else{
/* temptime is in the present */
abs_sec = 0;
abs_day = 0;
}
if( abs_day < best_day || ( abs_day == best_day && abs_sec <= best_sec)){
closest_tyme = tyme;
best_day = abs_day;
best_sec = abs_sec;
}
}
dtx->TimeStep[timecount].ownertype[ctx_loop] = REGULAR_TYPE;
dtx->TimeStep[timecount].owners[ctx_loop] = spandex;
dtx->TimeStep[timecount].ownerstimestep[ctx_loop] = closest_tyme;
dtx->DayStamp[timecount] = erly_day;
dtx->TimeStamp[timecount] = erly_sec;
}
else{
/*******/
/* itx */
/*******/
for (tyme = 0; tyme < itx_numtimes[spandex]; tyme++){
vis5d_get_itx_time_stamp( spandex, tyme, &tempday, &tempsec);
/**************************************************/
/* get the absolut value of the difference in the */
/* two times, temp_time and erly_time */
/**************************************************/
if (tempday < erly_day || (tempday == erly_day && tempsec < erly_sec)){
/* temptime is in the past */
if (tempsec > erly_sec){
abs_sec = 86400 - tempsec + erly_sec;
abs_day = erly_day - tempday - 1;
}
else if (tempsec <= erly_sec){
abs_sec = erly_sec - tempsec;
abs_day = erly_day - tempday;
}
}
else if (tempday > erly_day || (tempday == erly_day && tempsec >erly_sec)){
/* temptime is in the future */
if (tempsec >= erly_sec){
abs_sec = tempsec - erly_sec;
abs_day = tempday - erly_day;
}
else if (tempsec < erly_sec){
abs_sec = 86400 - erly_sec + tempsec;
abs_day = tempday - erly_day - 1;
}
}
else{
/* temptime is in the present */
abs_sec = 0;
abs_day = 0;
}
if( abs_day < best_day || ( abs_day == best_day && abs_sec <= best_sec)){
closest_tyme = tyme;
best_day = abs_day;
best_sec = abs_sec;
}
}
dtx->TimeStep[timecount].ownertype[ctx_loop] = IRREGULAR_TYPE;
dtx->TimeStep[timecount].owners[ctx_loop] = spandex;
dtx->TimeStep[timecount].ownerstimestep[ctx_loop] = closest_tyme;
dtx->DayStamp[timecount] = erly_day;
dtx->TimeStamp[timecount] = erly_sec;
}
}
if ( not_duplicate_timestep( dtx, timecount) ){
timecount++;
}
}
}
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