function GetScaleInfo()
{
global $GRAPH_MARGINS;
//$num = $this->graph_axes->GetAxesNumber();
$aids = array();
$ymin = array();
$ymax = array();
$ylog = array();
$yzoom = array();
$colors = array();
$names = array();
foreach ($this->graph_axes as $i => $axis) {
array_push($aids, $axis->aid);
if ($axis->GetRange()) {
array_push($yzoom, 1);
} else {
array_push($yzoom, 0);
}
array_push($colors, $axis->GetColor());
array_push($names, $axis->GetName());
array_push($ymin, $this->graph->ynaxis[$i]->scale->GetMinVal());
array_push($ymax, $this->graph->ynaxis[$i]->scale->GetMaxVal());
array_push($ylog, $axis->IsLogarithmic() ? 1 : 0);
}
return array("xmin" => dsMathPreciseAdd($this->graph->xaxis->scale->scale[0] / $this->scale_coef, $this->scale_start), "xmax" => dsMathPreciseAdd($this->graph->xaxis->scale->scale[1] / $this->scale_coef, $this->scale_start), "imin" => $this->graph_interval->GetIntervalStart(), "imax" => $this->graph_interval->GetIntervalEnd(), "yzoom" => $yzoom, "ymin" => $ymin, "ymax" => $ymax, "ylog" => $ylog, "axis" => $aids, "color" => $colors, "name" => $names, "precision" => $this->precision, "margins" => $this->graph_margin, "axis_size" => $this->graph_yaxis_size);
}
function GetPoint(&$key1, &$ivl1, &$key2, &$ivl2)
{
$this->row = array();
switch ($this->type) {
case CACHE::TYPE_MEAN:
if ($this->empty_key) {
$nextkey = dsMathPreciseAdd($this->empty_key, $this->expected_gap);
if ($nextkey > $key1) {
$this->empty_key = false;
} else {
$this->key = $this->empty_key;
$this->row[0] = false;
$this->empty_key = $nextkey;
return false;
}
}
$this->missing = 0;
if ($ivl1) {
if ($ivl2 && ($this->flags & CACHE::REPORT_EMPTY || $this->flags & CACHE::MISSING_INFO)) {
$key1end = dsMathPreciseAdd($key1, $ivl1['width']);
$distance = dsMathPreciseSubstract($key2, $key1end);
if ($this->allowed_gap && $distance > $this->allowed_gap) {
$this->missing = $distance;
if ($this->expected_gap && $distance > 2 * $this->expected_gap) {
$this->gaps = true;
if ($this->flags & CACHE::REPORT_EMPTY) {
$this->empty_key = dsMathPreciseAdd($key1end, $this->expected_gap);
}
}
}
}
$ivl =& $ivl1;
$this->key = dsMathPreciseAdd($key1, $ivl['width'] / 2);
} else {
$ivl =& $ivl2;
$this->key = dsMathPreciseAdd($key2, $ivl['width'] / 2);
}
if ($this->allowed_gap && !$this->missing && $ivl['maxgap'] > $this->allowed_gap) {
$this->missing = $ivl['maxgap'];
}
for ($i = 0; $i < $this->ids; $i++) {
$this->row[$i] = $ivl['mean' . $i];
}
break;
case CACHE::TYPE_MINMAX:
if ($this->started) {
$key1end = dsMathPreciseAdd($key1, $ivl1['width']);
if ($ivl2) {
$distance = dsMathPreciseSubstract($key2, $key1end);
if ($this->expected_gap && $distance > 2 * $this->expected_gap) {
$this->MINMAXLast($key1end, $ivl1);
if ($this->allowed_gap && $distance > $this->allowed_gap) {
$this->missing = $distance;
$this->gaps = true;
if ($this->flags & CACHE::REPORT_EMPTY) {
$this->empty_key = dsMathPreciseAdd($key1end, $this->expected_gap);
}
}
return false;
}
if ($distance > 0) {
$this->MINMAXStep($key1end, $ivl1, $key2, $ivl2);
} else {
$this->MINMAXStep($key1end = false, $ivl1, $key2, $ivl2);
}
} else {
if ($ivl1) {
$this->MINMAXLast($key1end, $ivl1);
}
}
} else {
if ($ivl2) {
if ($this->empty_key) {
$nextkey = dsMathPreciseAdd($this->empty_key, $this->expected_gap);
if ($nextkey > $key2) {
$this->empty_key = false;
} else {
$this->key = $this->empty_key;
$this->row[0] = false;
$this->empty_key = $nextkey;
return false;
}
} else {
if ($ivl1 && $this->allowed_gap) {
$key1end = dsMathPreciseAdd($key1, $ivl1['width']);
$distance = dsMathPreciseSubstract($key2, $key1end);
if ($distance > $this->allowed_gap) {
$this->gaps = true;
if ($this->flags & CACHE::REPORT_EMPTY) {
$this->empty_key = dsMathPreciseAdd($key1end, $this->expected_gap);
return false;
}
}
}
}
if (!$ivl2['width']) {
$this->key = $key2;
for ($i = 0; $i < $this->ids; $i++) {
$this->row[$i] = $ivl2['mean' . $i];
}
$this->missing = 0;
if ($this->flags & CACHE::MISSING_INFO && $this->allowed_gap) {
if ($this->interval && $this->interval->valid()) {
$this->row3 = $this->interval->current();
$this->key3 = $this->interval->key();
$this->interval->next();
$distance = dsMathPreciseSubstract($key3, $key2);
if ($distance > $this->allowed_gap) {
$this->missing = $distance;
}
}
}
} else {
$this->MINMAXFirst($key2, $ivl2);
}
} else {
/* if not started and no ivl2 - we are done */
unset($this->irow);
}
}
break;
default:
throw new ADEIException(translate("Invalid interval aggregation mode (%u) is specified", $this->type));
}
return true;
// print_r($ivl1);
}
function DataVector(&$time, &$values, $flags = 0)
{
if ($this->subseconds) {
if ($this->time_subsec_format) {
$val = dsMathPreciseAdd($time, 2209161600.0) / 86400;
/* 86400 * 25569 */
$this->sheet->write(++$this->row, 0, $val, $this->xls_time_subsec_format);
} else {
$subsec = strchr(sprintf("%.6F", $time), '.');
$val = date($this->string_format, $time) . $subsec;
$this->sheet->write(++$this->row, 0, $val);
}
} else {
$val = ($time + 2209161600.0) / 86400;
/* 86400 * 25569 */
$this->sheet->write(++$this->row, 0, $val, $this->xls_time_format);
}
foreach (array_keys($values) as $i) {
$this->sheet->write($this->row, $i + 1, $values[$i], $this->xls_data_format);
}
}
function GetWindowEnd($default = NULL)
{
if ($this->IsEmpty()) {
return 0;
//throw new ADEIException(translate("INTERVAL window is empty"));
}
if ($this->window_start === false) {
if ($default === NULL) {
throw new ADEIException(translate("INTERVAL window have undefined start"));
} else {
if ($default === true) {
return gettimeofday(true);
}
}
return $default;
}
if ($this->window_size === false) {
if ($default === NULL) {
throw new ADEIException(translate("INTERVAL window have undefined size"));
} else {
if ($default === true) {
return gettimeofday(true);
}
}
return $default;
}
return dsMathPreciseAdd($this->window_start, $this->window_size);
}
function ImportUnixTime($unix_time)
{
if (!$unix_time) {
return 0;
}
return dsMathPreciseAdd($unix_time, 2082837600 + 7200);
}