function drawSpider()
{
$AA = $this->AA;
$Htmp = round($this->radius * 2 * $AA);
$Wtmp = $Htmp;
$x0 = round($Wtmp / 2);
$y0 = round($Htmp / 2);
$mul = 0.95;
if (isset($this->vlx)) {
$mul -= 0.25;
}
$this->radius = round($this->radius * $mul);
$this->mul = $this->radius / $this->mass;
$img_tmp = imagecreatetruecolor($Wtmp, $Htmp);
imageantialias($img_tmp, 1);
$trasp = imagecolorallocatealpha($img_tmp, 0, 0, 0, 127);
imagefill($img_tmp, 0, 0, $trasp);
$black = imagecolorallocate($img_tmp, 0, 0, 0);
for ($cntval = $i = 0; $i < count($this->type); $i++) {
if ($this->type[$i] == 's') {
if ($cntval < count($this->value[$i])) {
$cntval = count($this->value[$i]);
}
}
}
$angleval = round(360 / $cntval);
for ($i = 0, $angle = deg2rad(-90); $i < $cntval; $i++) {
$x1 = round($x0 + $this->radius * cos($angle) * $AA);
$y1 = round($y0 + $this->radius * sin($angle) * $AA);
graidle::imagelinethick($img_tmp, $x0, $y0, $x1, $y1, $this->axis_color, $AA);
if (isset($this->vlx)) {
if ($angle >= deg2rad(-90) && $angle < deg2rad(0)) {
imagefttext($img_tmp, $this->font_small * $AA, 0, $x1 + 4, $y1 - 4, $this->font_color, $this->font, $this->vlx[$i]);
} else {
if ($angle >= deg2rad(0) && $angle < deg2rad(90)) {
imagefttext($img_tmp, $this->font_small * $AA, 0, $x1 + 4, $y1 + $this->font_small * $AA, $this->font_color, $this->font, $this->vlx[$i]);
} else {
if ($angle >= deg2rad(90) && $angle < deg2rad(180)) {
imagefttext($img_tmp, $this->font_small * $AA, 0, $x1 + 4 - strlen($this->vlx[$i]) * ($this->font_small * $AA), $y1 + $this->font_small * $AA, $this->font_color, $this->font, $this->vlx[$i]);
} else {
if ($angle >= deg2rad(180) && $angle < deg2rad(270)) {
imagefttext($img_tmp, $this->font_small * $AA, 0, $x1 + 4 - strlen($this->vlx[$i]) * ($this->font_small * $AA), $y1, $this->font_color, $this->font, $this->vlx[$i]);
}
}
}
}
}
for ($v = $s = 0; $s <= $this->radius + 1; $s += $this->dvx * $this->mul, $v += $this->dvx) {
imagearc($img_tmp, $x0, $y0, ($this->radius - $s) * 2 * $AA, ($this->radius - $s) * 2 * $AA, 0, 360, $this->axis_color);
imagefttext($img_tmp, $this->font_small * $AA, 0, $x0 + 4, $y0 + 4 + $this->font_small * $AA - $s * $AA, $this->font_color, $this->font, $v);
}
$angle += deg2rad($angleval);
}
for ($s = 0; $s < count($this->value); $s++) {
for ($point = array(), $i = 0, $d = 1, $angle = deg2rad(-90); $i < $cntval; $i++, $d++) {
if ($d == $cntval) {
$val1 = $this->value[$s][$i];
$val2 = $this->value[$s][0];
} else {
$val1 = $this->value[$s][$i];
$val2 = $this->value[$s][$d];
}
$x2 = round($x0 + $this->mul * $val1 * cos($angle) * $AA);
$y2 = round($y0 + $this->mul * $val1 * sin($angle) * $AA);
array_push($point, $x2, $y2);
$angle += deg2rad($angleval);
}
$c = $this->color[$s];
list($name, $red, $green, $blue) = explode(',', $c);
if (isset($this->filled) && $this->filled == 1) {
$rgbA = imagecolorallocatealpha($this->im, $red, $green, $blue, 80);
imagefilledpolygon($img_tmp, $point, $cntval, $rgbA);
imagepolygon($img_tmp, $point, $cntval, $black);
} else {
$rgb = imagecolorallocate($this->im, $red, $green, $blue);
imagepolygon($img_tmp, $point, $cntval, $rgb);
}
}
$OrizAlign = ($this->w + $this->s - $this->d) / 2 - $Wtmp / $AA / 2;
imagecopyresampled($this->im, $img_tmp, $OrizAlign, 5 + $this->a, 0, 0, $Wtmp / $AA, $Htmp / $AA, $Wtmp, $Htmp);
if (isset($rgb)) {
imagecolordeallocate($img_tmp, $rgb);
}
if (isset($rgbA)) {
imagecolordeallocate($img_tmp, $rgbA);
}
imageantialias($img_tmp, 0);
imagedestroy($img_tmp);
}
function gradAxis($sy = NULL, $sx = NULL)
{
$c = imagecolorallocatealpha($this->im, 255, 255, 255, 127);
$bg = imagecolorallocatealpha($this->im, 0, 0, 0, 120);
$style = array($c, $this->axis_color);
imagesetstyle($this->im, $style);
if ($this->mnvs <= 0) {
$zero = $this->s + abs($this->mnvs * $this->mul);
} else {
$zero = $this->s;
}
for ($x = $zero - $this->dvx * $this->mul, $n = -$this->dvx; $x > $this->s; $n -= $this->dvx, $x -= $this->dvx * $this->mul) {
$x1 = $x - round(count($n) * $this->font_small / 2);
$y1 = $this->h - $this->b + $this->font_small + 4;
$y2 = $this->h - $this->b;
imageline($this->im, $x, $y2, $x, $y2 - 2, $this->axis_color);
if ($sx) {
imageline($this->im, $x, $y2, $x, $this->a, IMG_COLOR_STYLED);
}
imagefttext($this->im, $this->font_small, 0, $x1, $y1, $this->font_color, $this->font, $n);
}
if ($this->mnvs > 0) {
$n = $this->mnvs;
} else {
$n = 0;
}
for ($x = $zero; $x <= $this->w - $this->d + 1; $n += $this->dvx, $x += $this->dvx * $this->mul) {
$x1 = $x - round(graidle::stringLen($n) * $this->font_small / 2);
$y1 = $this->h - $this->b + $this->font_small * 2;
$y2 = $this->h - $this->b;
imageline($this->im, $x, $y2, $x, $y2 - 2, $this->axis_color);
if ($sx) {
imageline($this->im, $x, $y2, $x, $this->a, IMG_COLOR_STYLED);
}
imagefttext($this->im, $this->font_small, 0, $x1, $y1, $this->font_color, $this->font, $n);
}
if ($sy) {
for ($i = $this->a; $i < $this->h - $this->b - 1; $i += $this->ld * 2) {
imagefilledrectangle($this->im, 0, $i + 1, $this->w - $this->d, $i + $this->ld + 1, $bg);
}
}
}
function setLegend($legend, $align = NULL)
{
if (!isset($this->legend)) {
$this->legend = array();
}
$this->legend = array_merge($this->legend, $legend);
$spch = $this->font_legend * 4;
#spazio per i caratteri della legenda
for ($i = 0; $i < count($this->legend); $i++) {
if (strlen($this->legend[$i]) > $this->LegStrLen) {
$this->legend[$i] = substr($this->legend[$i], 0, $this->LegStrLen) . "...";
}
$tmpsp = graidle::stringlen($this->legend[$i]) * $this->font_legend;
if ($spch < $tmpsp) {
$spch = $tmpsp;
}
}
if (isset($this->w)) {
$this->nrow = ceil(($spch + $this->dim_quad + $this->spacing) * count($this->legend) / ($this->w - $this->s - $this->d));
} else {
$this->nrow = count($this->legend);
}
$this->spacerow = ceil($this->nrow * ($this->dim_quad + $this->spacing));
$this->spch = $spch;
$this->LegendAlign = strtolower($align);
switch ($this->LegendAlign) {
case "left":
$this->s += $this->spacing + $this->dim_quad + $this->spch;
break;
case "top":
$this->a += $this->spacerow;
break;
case "bottom":
$this->b += $this->nrow * ($this->dim_quad + $this->spacing);
break;
break;
default:
$this->LegendAlign = "right";
$this->d += $this->spacing + $this->dim_quad + $this->spch;
break;
}
}
nomvar => [Array] (numerada desde 0) Nombres de columnas de cada serie
tit => [string] Titulo del grafico
ser1 => [Array] (numerada desde 0) valores de las serie
ser2 => [Array] (numerada desde 0) valores de las serie
serx => [Array] (numerada desde 0) valores de las serie
**************/
require_once "graidle.php";
if (!isset($_REQUEST['cantser']) || !isset($_REQUEST['nomvar']) || !isset($_REQUEST['nomser'])) {
exit('error_1');
}
if (isset($_REQUEST['tit'])) {
$tit = $_REQUEST['tit'];
} else {
$tit = ' ';
}
$graidle = new graidle($tit);
$nomvar = $_REQUEST['nomvar'];
$z = 0;
while ($z < sizeof($nomvar)) {
$nvar = $nomvar[$z];
$a = 0;
while ($a <= $_REQUEST['cantser']) {
$nomser = "ser" . $a;
if (is_array($_REQUEST[$nomser]) && isset($_REQUEST[$nomser])) {
$serie = $_REQUEST[$nomser];
if (isset(${$nvar})) {
${$nvar} = array_merge(${$nvar}, array($a => $serie[$z]));
} else {
${$nvar} = array($a => $serie[$z]);
}
}
