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cmor_axes.c
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#include <stdio.h>
#include <string.h>
#include "cmor.h"
#include <udunits2.h>
#include <stdlib.h>
#include "cdmsint.h"
#include <math.h>
int cuErrOpts = CU_VERBOSE;
/************************************************************************/
/* cmor_calendar_c2i() */
/************************************************************************/
int cmor_calendar_c2i(char *calendar, cdCalenType * ical)
{
cmor_add_traceback("cmor_calendar_c2i");
cmor_is_setup();
if (strcmp(calendar, "gregorian") == 0)
*ical = cdMixed;
else if (strcmp(calendar, "standard") == 0)
*ical = cdMixed;
else if (strcmp(calendar, "proleptic_gregorian") == 0)
*ical = cdStandard;
else if (strcmp(calendar, "noleap") == 0)
*ical = cdNoLeap;
else if (strcmp(calendar, "365_day") == 0)
*ical = cdNoLeap;
else if (strcmp(calendar, "360_day") == 0)
*ical = cd360;
else if (strcmp(calendar, "julian") == 0)
*ical = cdJulian;
else if (strcmp(calendar, "none") == 0)
*ical = cdClim;
else {
cmor_pop_traceback();
return (1);
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_convert_interval_to_seconds() */
/************************************************************************/
double cmor_convert_interval_to_seconds(double interv, char *inunits)
{
/* -------------------------------------------------------------------- */
/* this converts times values from some units */
/* to some others */
/* -------------------------------------------------------------------- */
int i, oui, n;
char msg[CMOR_MAX_STRING];
char ctmp[CMOR_MAX_STRING];
char sshort[6];
extern ut_system *ut_read;
ut_unit *user_units = NULL, *cmor_units = NULL;
cv_converter *ut_cmor_converter = NULL;
double tmp;
cmor_add_traceback("cmor_convert_interval_to_seconds");
strcpy(msg, "seconds");
ut_trim(msg, UT_ASCII);
cmor_units = ut_parse(ut_read, msg, UT_ASCII);
sshort[5] = '\0';
/* -------------------------------------------------------------------- */
/* first we need to figure out the out units */
/* step 1 look for the since keyword */
/* -------------------------------------------------------------------- */
n = strlen(inunits);
oui = -1;
for (i = 0; i < n; i++) {
strncpy(sshort, &inunits[i], 5);
if (strcmp(sshort, "since") == 0) {
oui = i;
break;
}
}
if (oui == -1) {
snprintf(msg, CMOR_MAX_STRING,
"Time units conversion, output units must\n! "
"contain the 'since' word, you defined: %s", inunits);
cmor_handle_error(msg, CMOR_CRITICAL);
}
strncpy(msg, inunits, oui - 1);
msg[oui - 1] = '\0';
/* -------------------------------------------------------------------- */
/* ok at this point we need to convert */
/* this in some base units: seconds */
/* -------------------------------------------------------------------- */
ut_trim(msg, UT_ASCII);
user_units = ut_parse(ut_read, msg, UT_ASCII);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"In udunits parsing user units: %s", msg);
cmor_handle_error(msg, CMOR_CRITICAL);
}
if (ut_are_convertible(cmor_units, user_units) == 0) {
snprintf(ctmp, CMOR_MAX_STRING,
"axis interval units (%s) are incompatible with seconds", msg);
ut_free(user_units);
ut_free(cmor_units);
cmor_handle_error(ctmp, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
ut_cmor_converter = ut_get_converter(user_units, cmor_units);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING, "In udunits getting converter");
cmor_handle_error(msg, CMOR_CRITICAL);
}
tmp = cv_convert_double(ut_cmor_converter, interv);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING, "In udunits converting");
cmor_handle_error(msg, CMOR_CRITICAL);
}
cv_free(ut_cmor_converter);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING, "Udunits: Error freeing converter");
cmor_handle_error(msg, CMOR_CRITICAL);
}
ut_free(user_units);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING, "Udunits: Error freeing units");
cmor_handle_error(msg, CMOR_CRITICAL);
}
ut_free(cmor_units);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING, "Udunits: Error freeing units");
cmor_handle_error(msg, CMOR_CRITICAL);
}
cmor_pop_traceback();
return (tmp);
}
/************************************************************************/
/* cmor_convert_time_units() */
/************************************************************************/
int cmor_convert_time_units(char *inunits, char *outunits, char *loutunits)
{
/* -------------------------------------------------------------------- */
/* this converts times values from some units to some others */
/* -------------------------------------------------------------------- */
int i, oui, iui, n;
char msg[CMOR_MAX_STRING];
char sshort[6];
int hasqm;
cmor_add_traceback("cmor_convert_time_units");
cmor_is_setup();
sshort[5] = '\0';
/* first we need to figure out the out units */
/* step 1 look for the since keyword */
n = strlen(outunits);
oui = -1;
for (i = 0; i < n; i++) {
strncpy(sshort, &outunits[i], 5);
if (strcmp(sshort, "since") == 0) {
oui = i;
break;
}
}
if (oui == -1) {
snprintf(msg, CMOR_MAX_STRING,
"Time units conversion, output units must contain\n! "
"the 'since' word");
cmor_handle_error(msg, CMOR_CRITICAL);
}
/* ok now check if output units have a "?" */
hasqm = -1;
for (i = oui + 5; i < n; i++)
if (outunits[i] == '?') {
hasqm = i;
break;
}
/* here we check for the since in user units */
n = strlen(inunits);
iui = -1;
for (i = 0; i < n; i++) {
strncpy(sshort, &inunits[i], 5);
if (strcmp(sshort, "since") == 0) {
iui = i;
break;
}
}
if (iui == -1) {
snprintf(msg, CMOR_MAX_STRING,
"Time units conversion, input units must contain the\n! "
"'since' word");
cmor_handle_error(msg, CMOR_CRITICAL);
}
/* now construct the output units in case of a ? */
if (hasqm != -1) { /* there is a ? */
strncpy(loutunits, outunits, oui);
loutunits[oui] = '\0';
strcpy(msg, &inunits[iui]);
strncat(loutunits, msg, CMOR_MAX_STRING - strlen(loutunits));
} else { /* fully defined output units */
strncpy(loutunits, outunits, CMOR_MAX_STRING);
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_convert_time_values() */
/************************************************************************/
int cmor_convert_time_values(void *values_in, char type, int nvalues,
double *values_out, char *inunits,
char *outunits, char *calin, char *calout)
{
/* -------------------------------------------------------------------- */
/* this converts times values from some units to some others */
/* -------------------------------------------------------------------- */
int i;
char msg[CMOR_MAX_STRING];
char loutunits[CMOR_MAX_STRING];
double dtmp;
cdCalenType icali, icalo;
cdCompTime comptime;
cmor_add_traceback("cmor_convert_time_values");
cmor_is_setup();
if (cmor_calendar_c2i(calin, &icali) != 0) {
snprintf(msg, CMOR_MAX_STRING,
"Cannot convert times for calendar: %s", calin);
cmor_handle_error(msg, CMOR_NORMAL);
cmor_pop_traceback();
return (1);
}
if (cmor_calendar_c2i(calout, &icalo) != 0) {
snprintf(msg, CMOR_MAX_STRING,
"Cannot convert times for calendar: %s", calout);
cmor_handle_error(msg, CMOR_NORMAL);
cmor_pop_traceback();
return (1);
}
i = cmor_convert_time_units(inunits, outunits, &loutunits[0]);
for (i = 0; i < nvalues; i++) {
if (type == 'd')
dtmp = (double)((double *)values_in)[i];
else if (type == 'f')
dtmp = (double)((float *)values_in)[i];
else if (type == 'l')
dtmp = (double)((long *)values_in)[i];
else if (type == 'i')
dtmp = (double)((int *)values_in)[i];
else {
snprintf(msg, CMOR_MAX_STRING,
"cannot convert time value from '%c' type", type);
cmor_handle_error(msg, CMOR_CRITICAL);
}
/* -------------------------------------------------------------------- */
/* ok makes a comptime out of input */
/* -------------------------------------------------------------------- */
cdRel2Comp(icali, &inunits[0], dtmp, &comptime);
/* -------------------------------------------------------------------- */
/* ok now converts that back to a rel units with outunits */
/* -------------------------------------------------------------------- */
cdComp2Rel(icalo, comptime, loutunits, &dtmp);
values_out[i] = dtmp;
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_set_axis_attribute() */
/************************************************************************/
int cmor_set_axis_attribute(int id, char *attribute_name, char type,
void *value)
{
extern cmor_axis_t cmor_axes[];
char msg[CMOR_MAX_STRING];
int i, index;
cmor_add_traceback("cmor_set_axis_attribute");
cmor_is_setup();
index = -1;
cmor_trim_string(attribute_name, msg);
for (i = 0; i < cmor_axes[id].nattributes; i++) {
if (strcmp(cmor_axes[id].attributes[i], msg) == 0) {
index = i;
break;
} /* we found it */
}
if (index == -1) {
index = cmor_axes[id].nattributes;
cmor_axes[id].nattributes += 1;
}
/* --------------------------------------------------------------------- */
/* store the name */
/* --------------------------------------------------------------------- */
strncpy(cmor_axes[id].attributes[index], msg, CMOR_MAX_STRING);
cmor_axes[id].attributes_type[index] = type;
if (type == 'c') {
if (strlen(value) > 0)
strncpytrim(cmor_axes[id].attributes_values_char[index],
value, CMOR_MAX_STRING);
} else if (type == 'f')
cmor_axes[id].attributes_values_num[index] = (double)*(float *)value;
else if (type == 'i')
cmor_axes[id].attributes_values_num[index] = (double)*(int *)value;
else if (type == 'd')
cmor_axes[id].attributes_values_num[index] = (double)*(double *)value;
else if (type == 'l')
cmor_axes[id].attributes_values_num[index] = (double)*(long *)value;
else {
snprintf(msg, CMOR_MAX_STRING,
"unknown type %c allowed types are c,i,l,f,d, for "
"attribute %s of axis %s (table: %s)",
type,
attribute_name,
cmor_axes[id].id,
cmor_tables[cmor_axes[id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_NORMAL);
cmor_pop_traceback();
return (1);
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_get_axis_attribute() */
/************************************************************************/
int cmor_get_axis_attribute(int id, char *attribute_name, char type,
void *value)
{
extern cmor_axis_t cmor_axes[];
char msg[CMOR_MAX_STRING];
int i, index;
cmor_add_traceback("cmor_get_axis_attribute");
cmor_is_setup();
index = -1;
for (i = 0; i < cmor_axes[id].nattributes; i++) {
if (strcmp(cmor_axes[id].attributes[i], attribute_name) == 0) {
index = i;
break;
} /* we found it */
}
if (index == -1) {
snprintf(msg, CMOR_MAX_STRING,
"Attribute %s could not be found for axis %i (%s, table: %s)",
attribute_name, id, cmor_axes[id].id,
cmor_tables[cmor_axes[id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_NORMAL);
cmor_pop_traceback();
return (1);
}
type = cmor_axes[id].attributes_type[i];
if (type == 'c')
strcpy(value, cmor_axes[id].attributes_values_char[index]);
else if (type == 'f')
value = (float *)&cmor_axes[id].attributes_values_num[index];
else if (type == 'i')
value = (int *)&cmor_axes[id].attributes_values_num[index];
else if (type == 'd')
value = (double *)&cmor_axes[id].attributes_values_num[index];
else if (type == 'l')
value = (long *)&cmor_axes[id].attributes_values_num[index];
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_has_axis_attribute() */
/************************************************************************/
int cmor_has_axis_attribute(int id, char *attribute_name)
{
extern cmor_axis_t cmor_axes[];
int i, index;
cmor_add_traceback("cmor_has_axis_attribute");
cmor_is_setup();
index = -1;
for (i = 0; i < cmor_axes[id].nattributes; i++) {
if (strcmp(cmor_axes[id].attributes[i], attribute_name) == 0) {
index = i;
break; /* we found it */
}
}
if (index == -1) {
cmor_pop_traceback();
return (1);
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_check_values_inside_bounds() */
/************************************************************************/
int cmor_check_values_inside_bounds(double *values, double *bounds, int length,
char *name)
{
int i;
char msg[CMOR_MAX_STRING];
cmor_add_traceback("cmor_check_values_inside_bounds");
for (i = 0; i < length; i++) {
if (((bounds[2 * i] < values[i]) && (bounds[2 * i + 1] < values[i]))
|| ((bounds[2 * i] > values[i])
&& (bounds[2 * i + 1] > values[i]))) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s has values not within bounds at indice:\n! "
"%i: %lf not within: %lf, %lf", name, i, values[i],
bounds[2 * i], bounds[2 * i + 1]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
cmor_pop_traceback();
return (0);
}
/************************************************************************/
/* cmor_isLongitude() */
/************************************************************************/
int cmor_isLongitude(cmor_axis_def_t * refaxis)
{
if ((refaxis->axis == 'X') && (strncmp(refaxis->units, "degree", 6) == 0)
&& (strcmp(refaxis->units, "degrees") != 0))
return (1);
else
return (0);
}
/************************************************************************/
/* cmor_check_monotonic() */
/************************************************************************/
int cmor_check_monotonic(double *values, int length, char *name, int isbounds,
int axis_id)
{
int i, treatlon = 0, j = 0;
char msg[CMOR_MAX_STRING];
cmor_axis_def_t *refaxis;
int mono;
int nloop;
double *values2, tmp;
cmor_add_traceback("cmor_check_monotonic");
refaxis =
&cmor_tables[cmor_axes[axis_id].ref_table_id].
axes[cmor_axes[axis_id].ref_axis_id];
treatlon = cmor_isLongitude(refaxis);
/* -------------------------------------------------------------------- */
/* ensure that values are monotonic */
/* -------------------------------------------------------------------- */
if (isbounds == 1) {
for (i = 0; i < length / 2 - 2; i++) {
if (((values[2 * i] - values[2 * i + 2])
* (values[2 * i + 2] - values[2 * i + 4])) <= 0.) {
if (cmor_isLongitude(refaxis) == 1) {
treatlon = 1;
} else {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has non monotonic\n! "
"bounds values : %lf, %lf, %lf", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id,
values[2 * i], values[2 * i + 2],
values[2 * i + 4]);
if (refaxis->climatology == 0) {
cmor_handle_error(msg, CMOR_CRITICAL);
} else {
cmor_handle_error(msg, CMOR_WARNING);
}
}
}
}
/* -------------------------------------------------------------------- */
/* ok we are dealing with a longitude */
/* need to figure out the offset.... */
/* -------------------------------------------------------------------- */
if ((refaxis->valid_max != 1.e20) && (treatlon)) {
/* -------------------------------------------------------------------- */
/* The VERY first thing is to make sure we are modulo 360 */
/* -------------------------------------------------------------------- */
values2 = (double *)malloc(sizeof(double) * length);
for (i = 0; i < length; i++) {
values2[i] = fmod(values[i], 360.);
}
/* -------------------------------------------------------------------- */
/* Now keep looping until we do not have up and downs */
/* -------------------------------------------------------------------- */
mono = -1;
nloop = 0;
while (mono == -1) {
mono = 1;
tmp = 0;
for (i = 0; i < length - 4; i++) {
tmp = (values2[i] - values2[i + 2])
* (values2[i + 2] - values2[i + 4]);
if (tmp <= 0)
break;
}
if (tmp < 0) { /* ok we flip floppped */
tmp = values2[0];
for (i = 0; i < length - 1; i++) {
values2[i] = values2[i + 1];
}
values2[i] = tmp;
mono = -1;
nloop += 1;
if (nloop == length) {
sprintf(msg,
"longitude axis bounds are not monotonic,\n! "
"axis %s (table: %s)",
cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
}
if (length > 2) {
if (values2[0] < values2[2]) {
/* -------------------------------------------------------------------- */
/* First keep adding 360 until each value is */
/* greater than the previous */
/* -------------------------------------------------------------------- */
for (i = 0; i < length - 2; i++) {
while (values[i + 2] < values[i]) {
values[i + 2] += 360.;
}
}
} else {
/* -------------------------------------------------------------------- */
/* first keep adding 360 until each value is */
/* greater than the previous */
/* -------------------------------------------------------------------- */
for (i = 0; i < length - 2; i++) {
while (values[i + 2] > values[i]) {
values[i + 2] -= 360.;
}
}
}
}
free(values2);
/* -------------------------------------------------------------------- */
/* stored_direction */
/* -------------------------------------------------------------------- */
if ((length > 1)
&& (((refaxis->stored_direction == 'i')
&& (values[length - 1] < values[0]))
|| ((refaxis->stored_direction == 'd')
&& (values[0] < values[length - 1])))) {
/* -------------------------------------------------------------------- */
/* need to flip that axis */
/* -------------------------------------------------------------------- */
if (cmor_axes[axis_id].revert == 1) {
snprintf(msg,
CMOR_MAX_STRING,
"bounds of axis %s (table: %s) need to be\n! "
"flipped but axis values did not need to.\n! "
"This is inconsistent", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
for (i = 0; i < length / 2; i++) {
tmp = values[i];
values[i] = values[length - 1 - i];
values[length - 1 - i] = tmp;
}
}
/* -------------------------------------------------------------------- */
/* ok make sure we have data spanning only 1 modulo */
/* -------------------------------------------------------------------- */
if (fabs(values[length - 1] - values[0]) > 360.) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s has bounds values spanning\n! "
"more 360 degrees %lf, %lf", name, values[0],
values[length - 1]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
/* -------------------------------------------------------------------- */
/* ok now check the monotonic again */
/* -------------------------------------------------------------------- */
for (i = 0; i < length / 2 - 2; i++) {
if (((values[2 * i] - values[2 * i + 2])
* (values[2 * i + 2] - values[2 * i + 4])) <= 0.) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s), has really non monotonic\n! "
"bounds values : %lf, %lf, %lf", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, values[i],
values[i + 2], values[i + 4]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
/* First of all need to check if bounds needs to be flipped */
j = 1;
for (i = 0; i < length - 2; i += 2) {
if ((values[i] < values[i + 1])
&& (values[i] > values[i + 2])) {
sprintf(msg,
"Axis: '%s' (table: %s), your bounds direction seems\n! "
"to be decreasing, but within cell %i they are stored\n! "
"increasingly: you have [%lf, %lf], but the next set\n! "
"is: [%lf, %lf]", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, i, values[i],
values[i + 1], values[i + 2], values[i + 3]);
cmor_handle_error(msg, CMOR_WARNING);
j++;
}
if ((values[i] > values[i + 1])
&& (values[i] < values[i + 2])) {
sprintf(msg,
"Axis: '%s' (table: %s), your bounds direction seems\n! "
"to be increasing, but within cell %i they are stored\n! "
"decreasingly: you have [%lf, %lf], but the next set\n! "
"is: [%lf, %lf]", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, i, values[i],
values[i + 1], values[i + 2], values[i + 3]);
cmor_handle_error(msg, CMOR_WARNING);
j++;
}
}
if (j == length / 2) {
for (i = 0; i < length; i += 2) {
tmp = values[i];
values[i] = values[i + 1];
values[i + 1] = tmp;
}
} else if (j != 1) {
sprintf(msg,
"Some but not all of your longitude bounds need to be\n! "
"flipped, see warnings ot see which ones, axis: %s \n! "
"(table: %s)", cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
/* -------------------------------------------------------------------- */
/* do not do the following in case of climatological stuff.... */
/* -------------------------------------------------------------------- */
if (refaxis->climatology == 0) {
for (i = 0; i < length - 2; i++) {
//printf("i=%d: value[i]%f, [i+1]%f [i+2]%f\n",i,
// values[i],values[i+1],values[i+2]);
//printf("bool:%d",( values[i] < values[i + 1] ) &&
// ( values[i + 2] < values[i + 1] ));
//printf("bool:%d",(( values[i] > values[i + 1] ) &&
// ( values[i + 2] > values[i + 1] )));
/* -------------------------------------------------------------------- */
/* also check that bounds do not overlap */
/* -------------------------------------------------------------------- */
if (((values[i] < values[i + 1])
&& (values[i + 2] < values[i + 1]))
|| ((values[i] > values[i + 1])
&& (values[i + 2] > values[i + 1]))) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has overlapping bounds values:\n! "
"%lf, %lf, %lf at index: %i", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, values[i],
values[i + 1], values[i + 2], i);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
for (i = 0; i < length - 2; i = i + 2) {
//printf("i=%d: [i+1]%f [i+2]%f\n",i,values[i+1],values[i+2]);
if (values[i + 1] != values[i + 2]) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has bounds values that leave gaps\n! "
"(index %i): %lf, %lf, %lf", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, i, values[i],
values[i + 1], values[i + 2]);
cmor_handle_error(msg, CMOR_WARNING);
}
}
}
} else {
for (i = 0; i < length - 2; i++) {
if (((values[i] - values[i + 1]) * (values[i + 1] - values[i + 2]))
<= 0.) {
if (cmor_isLongitude(refaxis) == 1) {
treatlon = 1;
break;
} else {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has non monotonic values:\n! "
"%lf, %lf and %lf", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, values[i],
values[i + 1], values[i + 2]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
}
/* -------------------------------------------------------------------- */
/* ok we are dealing with a longitude */
/* need to figure out the offset.... */
/* -------------------------------------------------------------------- */
if ((refaxis->valid_max != 1.e20) && (treatlon)) {
/* -------------------------------------------------------------------- */
/* The VERY first thing is to make sure we are modulo 360 */
/* -------------------------------------------------------------------- */
values2 = (double *)malloc(sizeof(double) * length);
for (i = 0; i < length; i++) {
values2[i] = fmod(values[i], 360.);
}
/* -------------------------------------------------------------------- */
/* Now keep looping until we do not have up and downs */
/* -------------------------------------------------------------------- */
mono = -1;
nloop = 0;
while (mono == -1) {
mono = 1;
tmp = 0;
for (i = 0; i < length - 2; i++) {
tmp = (values2[i] - values2[i + 1])
* (values2[i + 1] - values2[i + 2]);
if (tmp <= 0)
break;
}
/* -------------------------------------------------------------------- */
/* ok we flip floppped */
/* -------------------------------------------------------------------- */
if (tmp < 0) {
tmp = values2[0];
for (i = 0; i < length - 1; i++) {
values2[i] = values2[i + 1];
}
values2[i] = tmp;
mono = -1;
nloop += 1;
if (nloop == length) {
sprintf(msg,
"longitude axis is not monotonic (axis: %s, "
"table: %s)", cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
}
if (length > 1) {
if (values2[0] < values2[1]) {
/* -------------------------------------------------------------------- */
/* first keep adding 360 until each value */
/* is greater than the previous */
/* -------------------------------------------------------------------- */
for (i = 0; i < length - 1; i++) {
while (values[i + 1] < values[i]) {
values[i + 1] += 360.;
}
}
} else {
/* -------------------------------------------------------------------- */
/* first keep removing 360 until each value */
/* is lower than the previous */
/* -------------------------------------------------------------------- */
for (i = 0; i < length - 1; i++) {
while (values[i + 1] > values[i]) {
values[i + 1] -= 360.;
}
}
}
}
free(values2);
/* -------------------------------------------------------------------- */
/* stored_direction */
/* -------------------------------------------------------------------- */
if ((length > 1)
&& (((refaxis->stored_direction == 'i')
&& (values[length - 1] < values[0]))
|| ((refaxis->stored_direction == 'd')
&& (values[0] < values[length - 1])))) {
/* -------------------------------------------------------------------- */
/* need to flip that axis */
/* -------------------------------------------------------------------- */
if ((isbounds == 1) && (cmor_axes[axis_id].revert == 1)) {
snprintf(msg, CMOR_MAX_STRING,
"bounds of axis %s (table: %s), need to be\n! "
"flipped but axis values did not need to.\n! "
"This is inconsistent", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
cmor_axes[axis_id].revert = -1;
for (i = 0; i < length / 2; i++) {
tmp = values[i];
values[i] = values[length - 1 - i];
values[length - 1 - i] = tmp;
}
}
/* -------------------------------------------------------------------- */
/* ok make sure we have data spanning only 1 modulo */
/* -------------------------------------------------------------------- */
if (fabs(values[length - 1] - values[0]) > 360.) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has values spanning more\n! "
"360 degrees %lf, %lf", name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, values[0],
values[length - 1]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
/* -------------------------------------------------------------------- */
/* ok now check the monotonic again */
/* -------------------------------------------------------------------- */
for (i = 0; i < length - 2; i++) {
if (((values[i] - values[i + 1])
* (values[i + 1] - values[i + 2])) <= 0.) {
snprintf(msg, CMOR_MAX_STRING,
"axis %s (table: %s) has non monotonic values : %lf, %lf and %lf",
name,
cmor_tables[cmor_axes[axis_id].
ref_table_id].szTable_id, values[i],
values[i + 1], values[i + 2]);
cmor_handle_error(msg, CMOR_CRITICAL);
}
}
}
}
cmor_pop_traceback();
return (treatlon);
}
/************************************************************************/
/* cmor_treat_axis_values() */
/************************************************************************/
int cmor_treat_axis_values(int axis_id, double *values, int length,
int n_requested, char *units, char *name,
int isbounds)
{
extern ut_system *ut_read;
ut_unit *user_units, *cmor_units;
cv_converter *ut_cmor_converter;
char local_unit[CMOR_MAX_STRING];
int i, j, treatlon = 0;
double tmp;
char msg[CMOR_MAX_STRING];
cdCalenType acal;
double *tmplon;
cmor_axis_def_t *refaxis;
cmor_axis_t *axis;
int found = 0;
double eps, eps2;
cmor_add_traceback("cmor_treat_axis_values");
cmor_is_setup();
axis = &cmor_axes[axis_id];
refaxis = &cmor_tables[axis->ref_table_id].axes[axis->ref_axis_id];
if ((refaxis->axis == 'T') || strstr(units, "since")) {
/* -------------------------------------------------------------------- */
/* ok this part will try to convert time values to the right units */
/* -------------------------------------------------------------------- */
cmor_get_cur_dataset_attribute("calendar", &msg[0]);
if (cmor_calendar_c2i(msg, &acal) != 0) {
snprintf(msg, CMOR_MAX_STRING,
"non-standard calendar... hum we will try to accommodate\n! "
"this later");
cmor_handle_error(msg, CMOR_NORMAL);
cmor_pop_traceback();
return (1);
}
cmor_convert_time_values(&values[0], 'd', length, &values[0],
units, refaxis->units, msg, msg);
} else {
/* -------------------------------------------------------------------- */
/* ok using udunits to convert */
/* -------------------------------------------------------------------- */
strcpy(local_unit, units);
ut_trim(local_unit, UT_ASCII);
user_units = ut_parse(ut_read, local_unit, UT_ASCII);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"In udunits analyzing units from user (%s),\n! "
"axis %s (table: %s)",
local_unit, cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
if (strcmp(refaxis->units, "?") == 0)
strcpy(local_unit, units);
else
strcpy(local_unit, refaxis->units);
ut_trim(local_unit, UT_ASCII);
cmor_units = ut_parse(ut_read, local_unit, UT_ASCII);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"In udunits analyzing table defined units (%s)\n! "
"for axis: %s (table: %s)",
local_unit, refaxis->id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
if (ut_are_convertible(cmor_units, user_units) == 0) {
snprintf(msg, CMOR_MAX_STRING,
"axis %i (%s, table: %s): cmor and user units are\n! "
"incompatible: %s and %s",
axis_id, cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id,
refaxis->units, units);
cmor_handle_error(msg, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
ut_cmor_converter = ut_get_converter(user_units, cmor_units);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"In udunits getting converter, for axis %s (table: %s)",
cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
cv_convert_doubles(ut_cmor_converter, values, length, values);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"In udunits converting values, for axis %s (table: %s)",
cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
cmor_pop_traceback();
return (1);
}
cv_free(ut_cmor_converter);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"Udunits: Error freeing converter, for axis %s (table: %s)",
cmor_axes[axis_id].id,
cmor_tables[cmor_axes[axis_id].ref_table_id].szTable_id);
cmor_handle_error(msg, CMOR_CRITICAL);
}
ut_free(cmor_units);
if (ut_get_status() != UT_SUCCESS) {
snprintf(msg, CMOR_MAX_STRING,
"Udunits: Error freeing units, for axis %s (table: %s)",