/**
* Adds to the TCPDF instance, the data related to a row in the GIS dataset.
*
* @param string $spatial GIS LINESTRING object
* @param string $label Label for the GIS LINESTRING object
* @param string $line_color Color for the GIS LINESTRING object
* @param array $scale_data Array containing data related to scaling
* @param image $pdf TCPDF instance
*
* @return the modified TCPDF instance
*/
public function prepareRowAsPdf($spatial, $label, $line_color, $scale_data, $pdf)
{
// allocate colors
$red = hexdec(substr($line_color, 1, 2));
$green = hexdec(substr($line_color, 3, 2));
$blue = hexdec(substr($line_color, 4, 2));
$line = array('width' => 1.5, 'color' => array($red, $green, $blue));
// Trim to remove leading 'LINESTRING(' and trailing ')'
$linesrting = substr($spatial, 11, strlen($spatial) - 12);
$points_arr = $this->extractPoints($linesrting, $scale_data);
foreach ($points_arr as $point) {
if (!isset($temp_point)) {
$temp_point = $point;
} else {
// draw line section
$pdf->Line($temp_point[0], $temp_point[1], $point[0], $point[1], $line);
$temp_point = $point;
}
}
// print label
if (isset($label) && trim($label) != '') {
$pdf->SetXY($points_arr[1][0], $points_arr[1][1]);
$pdf->SetFontSize(5);
$pdf->Cell(0, 0, trim($label));
}
return $pdf;
}
/**
* Adds to the TCPDF instance, the data related to a row in the GIS dataset.
*
* @param string $spatial GIS MULTILINESTRING object
* @param string $label Label for the GIS MULTILINESTRING object
* @param string $line_color Color for the GIS MULTILINESTRING object
* @param array $scale_data Array containing data related to scaling
* @param image $pdf TCPDF instance
*
* @return the modified TCPDF instance
*/
public function prepareRowAsPdf($spatial, $label, $line_color, $scale_data, $pdf)
{
// allocate colors
$red = hexdec(substr($line_color, 1, 2));
$green = hexdec(substr($line_color, 3, 2));
$blue = hexdec(substr($line_color, 4, 2));
$line = array('width' => 1.5, 'color' => array($red, $green, $blue));
// Trim to remove leading 'MULTILINESTRING((' and trailing '))'
$multilinestirng = substr($spatial, 17, strlen($spatial) - 19);
// Seperate each linestring
$linestirngs = explode("),(", $multilinestirng);
$first_line = true;
foreach ($linestirngs as $linestring) {
$points_arr = $this->extractPoints($linestring, $scale_data);
foreach ($points_arr as $point) {
if (!isset($temp_point)) {
$temp_point = $point;
} else {
// draw line section
$pdf->Line($temp_point[0], $temp_point[1], $point[0], $point[1], $line);
$temp_point = $point;
}
}
unset($temp_point);
// print label
if (isset($label) && trim($label) != '' && $first_line) {
$pdf->SetXY($points_arr[1][0], $points_arr[1][1]);
$pdf->SetFontSize(5);
$pdf->Cell(0, 0, trim($label));
}
$first_line = false;
}
return $pdf;
}