/**
* Prepare chart-specific options and generate URL via parent.
*
* @return string - fully qualified Google Charts URL
* @access public
*/
public function getURL()
{
// if label arrow is missing then set it to the value
if (empty($this->arrow_label)) {
$this->arrow_label = $this->value;
}
// create options array
$options = array("chd" => "t:{$this->value}", "chxt" => "x,y", "chxl" => "0:|{$this->arrow_label}|1:|" . implode("|", $this->meter_labels));
// call parent
return parent::getURL($options);
}
/**
* Prepare chart-specific options and generate URL via parent.
*
* @return string - fully qualified Google Charts URL
* @access public
*/
public function getURL()
{
// change the chart type if perspective is switched on
if ($this->perspective) {
$this->type = "p3";
}
// create options array
$options = array("chl" => implode("|", array_keys($this->segments)), "chd" => "t:" . implode(",", array_values($this->segments)), "chp" => $this->rotation);
// call parent
return parent::getURL($options);
}
/**
* Prepare chart-specific options and generate URL via parent.
*
* @return string - fully qualified Google Charts URL
* @access public
*/
public function getURL()
{
// this chart type is pretty dependent on having some data present to do much at all
if (count($this->data) == 0) {
throw new Exception("No data present for scatter chart.");
}
// if either axis labels are absent then automatically generate them from the data
if (!isset($this->x_labels)) {
$this->x_labels = $this->generate_axis_labels("x");
}
if (!isset($this->y_labels)) {
$this->y_labels = $this->generate_axis_labels("y");
}
// create options array
$options = array("chxt" => "x,y", "chxl" => "0:|" . implode("|", $this->x_labels) . "|1:|" . implode("|", $this->y_labels));
// add grid?
if ($this->grid) {
$options["chg"] = round(100 / count($this->x_labels)) . "," . round(100 / count($this->y_labels));
}
// add chart data
$options["chd"] = "t:" . implode(",", $this->data["x"]) . "|" . implode(",", $this->data["y"]) . "|" . implode(",", $this->data["size"]);
// use single colour?
if ($this->single_colour) {
if (preg_match("/[A-Fa-z0-9][A-Fa-z0-9][A-Fa-z0-9][A-Fa-z0-9][A-Fa-z0-9][A-Fa-z0-9]/", $this->single_colour)) {
$this->palette = "{$this->single_colour},{$this->single_colour}";
} else {
$colour = $this->colour_palettes[$this->palette][0];
$this->palette = "{$colour},{$colour}";
}
}
// call parent
return parent::getURL($options);
}
/**
* Prepare chart-specific options and generate URL via parent.
*
* @return string - fully qualified Google Charts URL
* @access public
*/
public function getURL()
{
// determine minimum and maximum from series arrays
$maximum = 0;
$minimum = 0;
foreach ($this->values as $series) {
foreach ($series as $value) {
if ($value > $maximum && $value != "_") {
$maximum = $value;
}
if ($value < $minimum) {
$minimum = $value;
}
}
}
// if there are no Y labels then make them from the values
if (!isset($this->y_labels)) {
foreach ($this->values as $series) {
foreach ($series as $value) {
$this->y_labels[] = $value;
}
}
$this->y_labels = array_unique($this->y_labels);
if (!in_array($minimum, $this->y_labels)) {
$this->y_labels[] = $minimum;
}
sort($this->y_labels);
}
// axis information
if (isset($this->x_axis) && isset($this->y_axis)) {
// using axis information labels
$chxl = "0:|" . implode("|", $this->x_labels) . "|2:|" . implode("|", $this->y_labels);
if (isset($this->x_axis)) {
$chxl .= "|1:|{$this->x_axis}";
}
if (isset($this->y_axis)) {
$chxl .= "|3:|{$this->y_axis}";
}
$chxt = "x,x,y,y";
$chxp = "1,50|3,50";
$chxl = urlencode($chxl);
} else {
// no axis information labels
$chxl = "0:|" . implode("|", $this->x_labels) . "|1:|" . implode("|", $this->y_labels);
$chxt = "x,y";
$chxp = "";
}
// create options array
$options = array("chxl" => $chxl, "chxt" => $chxt, "chxp" => $chxp, "chds" => "{$minimum},{$maximum}");
// add series
$options["chd"] = "t:";
foreach ($this->values as $series) {
$options["chd"] .= implode(",", $series);
$options["chd"] .= "|";
}
$options["chd"] = rtrim($options["chd"], "|");
// add grid?
if ($this->grid) {
$options["chg"] = round(100 / count($this->x_labels)) . "," . round(100 / count($this->y_labels));
}
// add fill?
if ($this->fill) {
$chm = array();
foreach ($this->values as $id => $series) {
$chm[] = "B,{$this->colour_palettes[$this->palette][$id]},0,0,0";
}
$options["chm"] = implode("|", $chm);
$this->randomise_colours = false;
}
// add point markers?
if ($this->markers) {
$shapes = array("o", "s", "d");
$s = 0;
for ($i = 0; $i < count($this->values); $i++) {
$tmp[] = "{$shapes[$s]},404040,{$i},-1,5";
$s++;
if ($s >= count($shapes)) {
$s = 0;
}
}
$options["chm"] = implode("|", $tmp);
}
// call parent
return parent::getURL($options);
}
/**
* Prepare chart-specific options and generate URL via parent.
*
* @return string - fully qualified Google Charts URL
* @access public
*/
public function getURL()
{
// change the chart type if horizontal is switched on
if ($this->horizontal) {
$this->type = "bhs";
}
// set scale minimum
if (min($this->values) < 0) {
$minimum = min($this->values);
} else {
$minimum = 0;
}
// if there are no Y labels then make them from the values
if (!isset($this->y_labels)) {
$this->y_labels = array($minimum, max($this->values));
$step = ($this->y_labels[1] - $this->y_labels[0]) / 8;
for ($i = $this->y_labels[0] + $step; $i < $this->y_labels[1]; $i = $i + $step) {
$this->y_labels[] = round($i);
}
$this->y_labels = array_unique($this->y_labels);
sort($this->y_labels);
}
// create options array
$options = array("chxt" => "x,y", "chbh" => $this->barwidth, "chd" => "t:" . implode(",", $this->values), "chds" => "{$minimum}," . max($this->values));
// add data
switch ($this->type) {
case "bvs":
$options["chxl"] = "0:|" . implode("|", $this->x_labels) . "|1:|" . implode("|", $this->y_labels);
break;
case "bhs":
$options["chxl"] = "0:|" . implode("|", $this->y_labels) . "|1:|" . implode("|", $this->x_labels);
break;
}
// call parent
return parent::getURL($options);
}
