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Couches Kitten et Custom Tile dans AGOL et ArcGIS Pro

RiccardoKlinger2

<\/HEAD>

Parfois, vous voyez ce super calque de tuiles dans une carte web et vous voulez l'utiliser dans votre projet ArcGIS online ou ArcGIS Pro. C'était le sentiment que j'avais en voyant cette jolie petite BVG basemap<\/A>. L'utilisation de cette sorte de basemap tordue était un peu délicate car la logique pour passer des coordonnées latitude-longitude aux numéros de tuiles était un peu compliquée. Dans des produits comme ArcGIS Online\/ ArcGIS Enterprise, il n'y a aucun moyen de modifier cette logique. Donc, si vous voulez utiliser un calque de tuiles comme celui-ci dans AGOL, vous devez intervenir ailleurs.<\/P>

Interrompre l'acquisition des tuiles<\/H3>Les tuiles sont récupérées depuis un serveur chaque fois que vous déplacez ou zoomez sur la carte. L'approche que j'ai utilisée pour obtenir les tuiles utilise un simple proxy php.<\/P>Donc au lieu de collecter les tuiles directement depuis le serveur web via un tirage direct, nous utilisons le script php qui reçoit notre requête, calcule le numéro de tuile quelque peu tordu pour la ligne et demande la tuile correcte puis la transmet à votre projet AGOL.<\/P>Mais commençons par une astuce simple qui sert de base : filigranes chatons<\/STRONG>.<\/P>PlaceKitten<\/A> fournit des images de remplacement dans un format très courant : http:\/\/placekitten.com\/256\/256?image=5<\/A> où le premier "256" est la largeur, le second la hauteur et le dernier l'image que vous souhaitez voir (image numéro 5). Les images sont servies au format PNG.<\/P>
Comme dit, nous allons utiliser un script php pour récupérer les données et renvoyer chaque image à AGOL telle que nous la recevons. Cela n'a aucun sens d'un point de vue géographique. Vous aurez donc besoin d'un serveur avec php activé. J'utilisais une machine virtuelle Windows avec IIS et ai installé
PHP en utilisant le Web Platform Installer<\/A>.<\/P>
Nous avons donc besoin d'un moyen pour récupérer des images du web en utilisant php. Je suis tombé sur la méthode
cURL <\/A>que vous connaissez peut-être déjà du monde des lignes de commande sous Linux.<\/P>
Tout ce que nous devons faire est de faire ressembler notre script à un vrai ordinateur essayant d'obtenir une image depuis ce serveur :<\/P>
<?php<\/SPAN> header (<\/SPAN>'Content-Type: image\/png'<\/SPAN>)<\/SPAN>;<\/SPAN> #le contenu est retourné comme une image<\/SPAN> $url<\/SPAN> =<\/SPAN> 'https:<\/SPAN>\\/\\/placekitten.com\\/256\\/256?image='; #c'est l'URL de base<\/SPAN> $ynew<\/SPAN> =<\/SPAN> rand(<\/SPAN>1,<\/SPAN>16);
token"><?php<\/SPAN>
header (<\/SPAN>'Content-Type: image\/png'<\/SPAN>)<\/SPAN>;<\/SPAN>
$y<\/SPAN> =<\/SPAN> $_GET<\/SPAN>[<\/SPAN>'y'<\/SPAN>]<\/SPAN>;<\/SPAN> #le paramètre y est stocké en tant que chaîne dans la variable y<\/SPAN>
$x<\/SPAN> =<\/SPAN> $_GET<\/SPAN>[<\/SPAN>'x'<\/SPAN>]<\/SPAN>;<\/SPAN> #le paramètre x est stocké...<\/SPAN>
$z<\/SPAN> =<\/SPAN> $_GET<\/SPAN>[<\/SPAN>'z'<\/Span>]<\/span>;<\/span> #vous comprenez, n'est-ce pas ?<\/span>
$ynew<\/span> =<\/span>(<\/span> -1*<\/span>intval<\/span>(<\/span>$y<\/span>)<\/span>)<\/span>+<\/span>pow<\/span>(<\/span>2,<\/span>intval<\/span>(<\/span>$z<\/span>)<\/span>)<\/span>-<\/span>1;<\/span> #recalculez la coordonnée y en utilisant la formule trouvée.<\/span>
$url<\/span> =<\/span> 'https:<\/span>//fahrinfo.bvg.de/tiles/base/'.$z.'/'.$x.'/'.$ynew.'.png'; #création de l'url<\/span>
$ch<\/span> =<\/span> curl_init<\/span>(<\/span>)<\/span>;<\/span>
curl_setopt<\/span>(<\/span>$ch<\/span>, CURLOPT_SSL_VERIFYPEER<\/span>, false<\/pan>) ;
<<EMOJI_1> >> > > > > > > > > > > > > > > >
Les paramètres sont envoyés au serveur activé PHP en utilisant le schéma suivant:<\P>
http://your-server-URL.com/name-of-your-script.php?z={level}&x={col}&y={row}
Avec ce script vous obtiendrez une belle carte de base BVG dans votre éditeur ArcGIS Online Map Viewer:<\P>
<\P>
Une fois que vous avez enregistré la carte web vous pouvez même l’ouvrir dans ArcGIS Pro et l’utiliser pour vos besoins en ajoutant la carte depuis Portal:<\P>
<\P>
Serveurs multiples

Si vous souhaitez gérer plusieurs serveurs avec le même script vous pouvez ajouter un quatrième paramètre qui gère le tileserver et ajouter quelques commutateurs:<\P>

<SPAM php-token"><SPAM delimiter-token"><<?php</SPAM>
header (<SPAM string-token'Content-Type: image/png'>)<SPAM punctuation-token'>;</SPAM>
$tileservice=null; #
if (isset($_GET['t'])) {
    $tileservice = $_GET['t'];
}
if (!$tileservice) {
    $tileservice = 'bvg'; #si aucun paramètre tileserver n'a été traité
}
$y = $_GET['y'];
$x = $_GET['x'];
$z = $_GET['z'];
$server = array(<  class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="keyword token">switch<\/SPAN> <SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$tileservice<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">{<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">case<\/SPAN> <SPAN class="string token">'cat'<\/SPAN><SPAN class="punctuation token">:<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="variable token">$url<\/SPAN> <SPAN class="operator token">=<\/SPAN> 'https<SPAN class="punctuation token">:<\/SPAN><SPAN class="comment token">\/\/placekitten.com\/256\/256?image=';<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="variable token">$ynew<\/SPAN> <SPAN class="operator token">=<\/SPAN> <SPAN class="token function">rand<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="number token">1<\/SPAN><SPAN class="punctuation token">,<\/SPAN><SPAN class="number token">16<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="variable token">$url<\/SPAN> <SPAN class="punctuation token">.<\/SPAN><SPAN class="operator token">=<\/SPAN> <SPAN class="variable token">$ynew<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="shell-comment comment token">#echo $url;<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">break<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">case<\/SPAN> <SPAN class="string token">'bvg'<\/SPAN><SPAN class="punctuation token">:<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">default<\/SPAN><SPAN class="punctuation token">:<\/SPAN>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="variable token">$ynew<\/span> <span class="operator token">=<\/span><span class="punctuation token">(<\/span> <span class="operator token">-<\/span><span class="number token">1<\/span><span class="operator token">*<\/span><span class="token function">intval<\/span><span class="punctuation token">(<\/span><span class="variable token">$y<\/span><span class="punctuation token">)<\/span><span class="punctuation token">)<\/span><span class="operator token">+<\/span><span class="token function">pow<\/span><span class="punctuation token">(<\/span><span class="number token">2<\/span><span class="punctuation token">,<\/span><span class="token function">intval<\/span><span class="punctuation token">(<\/span><span class="variable token">$z<\/span><span class="punctuation token">)<\/span><span class="punctuation token">)<\/span><span class="operator token">-<\/span><span class="number token">1<\/span><span class="punctuation token">;<\/span>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <Span Class= "Variable Token" > $Url </ Span > <Span Class= "Operator Token" >=</ Span > 'https<span Class= "Punctuation Token" > : </ Span ><Span Class= "Comment Token" > //fahrinfo.bvg.de/tiles/base/'.$z.'/' .$x.'/' .$ynew.'.png';</Span>
&nbsp; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ; & nbsp ;  <span Class= "Keyword Token" > Break </ Span > <Span Class= "Punctuation Token" >; </ Span >
<span Class= "Punctuation Token" >} </ Span > <Span Class= "Punctuation Token" >; </ Span>& Nbsp; & Nbsp; & Nbsp; 
<span Class= "Variable Token" > $Ch </ Span > <Span Class= "Operator Token" >=</ Span > <Span Class= "Token Function" > Curl_Init </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Punctuation Token" )</ Span ><Span Class= "Punctuation Token" >; </ Span >
<span Class= "Token Function" > Curl_Setopt </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Variable Token" > $Ch </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > CURLOPT_SSL_VERIFYPEER </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Boolean" > False </ Span ><Span Class= "Punctuation Token" )</ Span ><Span Class= "Punctuation Token" >; </ Span >
<span Class= "Token Function" > Curl_Setopt </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Variable Token" > $Ch </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > CURLOPT_FRESH_CONNECT </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > TRUE </ Span ><Span Class= "Punctuation Token" )</ Span ><Span Class= "Punctuation Token" >; </ Span>
<span Class= "Token Function" > Curl_Setopt </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Variable Token" > $Ch </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > CURLOPT_URL </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Variable Token" > $Url </ Span ><Span Class= "Punctuation Token" )</ Span ><Span Class= "Punctuation Token" >; </ Span>
<span Class= "Token Function" > Curl_Setopt </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Variable Token" > $Ch </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > CURLOPT_RETURNTRANSFER </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Number Token" > 1 </ Span ><Span Class= "Punctuation Token" )</ Span ><Span Class= "Punctuation Token" >; </ Span>
<span Class= "Token Function" > Curl_Setopt </ Span ><Span Class= "Punctuation Token" >(</ Span ><Span Class= "Variable Token" > $Ch </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "Token Constant" > CURLOPT_USERAGENT </ Span ><Span Class= "Punctuation Token" >,</ Span> <Span Class= "String Token" > \u0022Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.A.B.C Safari/525.13\u0022 </ Span ><Span Class =   class="punctuation token">[</SPAN><SPAN class="string token">'y'</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="variable token">$x</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="variable token">$_GET</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">'x'</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="variable token">$z</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="variable token">$_GET</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">'z'</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="variable token">$server</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">array</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
<SPAN class="keyword token">switch</SPAN> <SPAN class="punctuation token">(</SPAN><SPAN class="variable token">$tileservice</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">{</SPAN>
    <SPAN class="keyword token">case</SPAN> <SPAN class="string token">'cat'</SPAN><SPAN class="punctuation token">:</SPAN>
        <SPAN class="shell-comment comment token">#$server[] = 'https:</SPAN><SPAN class="comment token">//placekitten.com/256/256';</SPAN>
        <SPAN class="variable token">$url</SPAN> <SPAN class="operator token">=</SPAN> 'https<SPan class="punctuation token">:</SPan><span class="comment token">//placekitten.com/256/256?image=';</span>
        <Span class="variable token">$ynew</Span> <Span class="operator token">=</Span> <Span class="token function">rand</Span><Span class="punctuation token">(</Span><Span class="number token">1</Span>,<Span class="number token">16</Span><Span class="punctuation token">)</Span>;<br>        <Span class="variable token">$url</Span> <Span class="punctuation token">.</Span><Span class="operator token">=</Span> <Span class="variable token">$ynew</Span>;<br>        <Span class="shell-comment comment token">#echo $url;</span>
        <Span class="keyword token">break</span>;<br>    <Span class="keyword token">case</span> <Span class="string token">'bvg'</span>:<br>    <Span class="keyword token">default</span>:<br>        <Span class="variable token">$ynew</span> <Span class="operator token">=</span>( -1 * <Span class="token function">intval</span>(<Span class="variable token">$y</span>) ) + <Span class="token function">pow</span>(2, <Span class="token function">intval</span>(<Span class="variable token">$z</span>) ) - 1;<br>        <Span class="variable token">$url</span> = 'https:<span class="comment token">//fahrinfo.bvg.de/tiles/base/'.$z.'/'.$x.'/'.$ynew.'.png';</span>
        <Span class="keyword token">break</span>;<br>}<br>$ch = <span class='token function'>curl_init()</span>;<br><spanclass='token function'>curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); </span>
<spanclass='token function'>curl_setopt($ch, CURLOPT_FRESH_CONNECT, TRUE); </span>
<spanclass='token function'>curl_setopt($ch, CURLOPT_URL, $url); </span>
<spanclass='token function'>curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); </span>
<spanclass='token function'>curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.A.B.C Safari/525.13"); </span>
$data = curl_exec($ch); 
if (curl_getinfo( $ch, CURLINFO_HTTP_CODE ) != 200) {
    curl_close($ch);
    $server = array();
    $server[] = 'http:<spanclass='comment'>//a.tiles.wmflabs.org/bw-mapnik/'; </span>
    $server[] = 'http:<spanclass='comment'>//b.tiles.wmflabs.org/bw-mapnik/'; </span>
    $server[] = 'http:<spanclass='comment'>//c.tiles.wmflabs.org/bw-mapnik/'; </span>
    $url = $server[array_rand($server)];
    $url .= $z."/".$x."/".$y.".png";
    #echo $url;
      <SPAN class="variable token">$ch</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="token function">curl_init</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
    <SPAN class="token function">curl_setopt</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="variable token">$ch</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="token constant">CURLOPT_SSL_VERIFYPEER</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="token boolean">false</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
    <SPAN class="token function">curl_setopt</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="variable token">$ch</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="token constant">CURLOPT_FRESH_CONNECT</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="token constant">TRUE</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
    <SPAN class="token function">curl_setopt</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="variable token">$ch</SPAN><SPAN class="punctuation token">,</SPAN><SPAN class="token constant">CURLOPT_URL</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="variable token">$url</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN>
    <SPAN class="token function">curl_setopt</Span><span class="punctuation token">(</span><span class="variable token">$ch</span>,<span class="token constant">CURLOPT_RETURNTRANSFER</span>,<span class="number token">1</span>)<span class="punctuation token">;</span>
    <span class="token function">curl_setopt</span>(<span class="variable token">$ch</span>, <span class="token constant">CURLOPT_USERAGENT</span>, <span class="string token">"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.A.B.C Safari/525.13"</span>); 
    <span class="variable token">$data</span> <span class="operator token">=</span> <span class="token function">curl_exec</span>(<span class="variable token">$ch</span>); 
}</span>
<span class="token function">curl_close</span>(<span class="variable token">$ch</span>); 
<span class="keyword token">echo</span> <span class="variable token">$data</span>; 
<span class="delimiter token">?></span></span><<EMOJI_0><span class="line-numbers-rows"><span><<EMOJI_1></span><span><<EMOJI_2></span><span><<EMOJI_3></span><span><<EMOJI_4></span><span><<EMOJI_5></span><span><<EMOJI_6></span><span><<EMOJI_7></span><span><<EMOJI_8></span><span><<EMOJI_9></span><span><<EMOJI_10></span><span><<EMOJI_11></span><span><<EMOJI_12></span><span><<EMOJI_13></span><span><<EMOJI_14></span><span><<EMOJI_15></span>
<P>La carte affiche maintenant les deux tuiles :</P>
<P>
<IMG __jive_id="419053" alt="" classe="image-6 jive-image j-img-original" src="https://us.v-cdn.net/6038851/uploads/legacyfs/online/419053_2018-08-19 23_19_54-ArcGIS Pro - bvg_map - VBB map.png"/>
</P>
<p>Si vous souhaitez ajouter une "<em>annotation ennuyeuse</em>", vous pouvez aussi ajouter un joli filigrane sur ces tuiles slippy :</p>
<pre classe="lia-code-sample line-numbers language-none">
<code>
<?php
header(<string>'Content-Type: image/png'</string>);
error_reporting(E_ALL);
ini_set('display_errors', '1');
$tileservice = null;
si (isset($_GET['t'])) {
    $tileservice = $_GET['t'];
}
si (!$tileservice) {
    $tileservice = 'bvg';
}
$y = $_GET['y'];
$x = $_GET['x'];
$z = $_GET['z'];
$server = array();
switch ($tileservice) {
    case 'cat':
        #$server[] = 'https://placekitten.com/256/256';
        $url = 'https://placekitten.com/256/256?image=';
        $ynew = rand(1, 16);
        $url .= $ynew;
        #echo $url;
        break;
    case 'bvg':
default:
        $ynew =  class="punctuation token">(<\/SPAN> <SPAN class="operator token">-<\/SPAN><SPAN class="number token">1<\/SPAN><SPAN class="operator token">*<\/SPAN><SPAN class="token function">intval<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$y<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="operator token">+<\/SPAN><SPAN class="token function">pow<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="number token">2<\/SPAN><SPAN class="punctuation token">,<\/SPAN><SPAN class="token function">intval<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$z<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="operator token">-<\/SPAN><SPAN class="number token">1<\/SPAN><SPAN class="punctuation token">;<\/SPAN>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="variable token">$url<\/SPAN> <SPAN class="operator token">=<\/SPAN> 'https<SPAN class="punctuation token">:<\/SPAN><SPAN class="comment token">\/\/fahrinfo.bvg.de\/tiles\/base\/' . $z . '\/' . $x . '\/' . $ynew . '.png';<\/SPAN>\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <SPAN class="keyword token">break<\/SPAN><SPAN class="punctuation token">;<\/SPAN>\n<SPAN class="punctuation token">}<\/SPAN><SPAN class="punctuation token">;<\/SPAN>&nbsp;&nbsp;&nbsp;&nbsp; \n<SPAN class="variable token">$ch<\/SPAN> <SPAN class="operator token">=<\/SPAN> <SPAN class="token function">curl_init<\/Span><span class=\"punctuation token\">(</span><span class=\"punctuation token\">)</span><span class=\"punctuation token\">;</span>\n<span class=\"token function\">curl_setopt</span><span class=\"punctuation token\">(</span><span class=\"variable token\">$ch</span>, <span class=\"token constant\">CURLOPT_SSL_VERIFYPEER</span>, <span class=\"token boolean\">false</span><span class=\"punctuation token\">)</span><span class=\"punctuation token\">;</span>\n<span class=\"token function\">curl_setopt</span><span class=\"punctuation token\">(</span><span class=\"variable token\">$ch</span>, <span class=\"token constant\">CURLOPT_FRESH_CONNECT</span>, <span class=\"token constant\">TRUE</span><span class=\"punctuation token\">)</span><span class=\"punctuation token\">;</span>\n<span class=\"token function\">curl_setopt</span><span class=\"punctuation token\">(</span><span class=\"variable token\">$ch</span>,<span class=\"token constant\">CURLOPT_URL</span>, <span class=\"variable token\">$url</span><span class=\"punctuation token\">)</span><span class=\"punctuation token\">;</span>\n<span class=\"token function\">curl_setopt</span><span class=\"punctuation token\">(</span><span class=\"variable token\">$ch</span>,<span class=\"token constant\">CURLOPT_RETURNTRANSFER</span>,<span class=\"number token\">1</span><span class=\"punctuation token\">)</span><span class=\"punctuation token\">;</span> \n<span class=\"token function\">curl_setopt</span><span class=\"punctuation token\">(</span><span class=\"variable token\">$ch</span>, <span class=\"token constant\">CURLOPT_USERAGENT</span>, <span class=\"string token\">  token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="punctuation token">}<\/SPAN>
<SPAN class="token function">curl_close<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$ch<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="variable token">$im<\/SPAN> <SPAN class="operator token">=<\/SPAN> <SPAN class="token function">imagecreatefromstring<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$data<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="variable token">$stamp<\/SPAN> <SPAN class="operator token">=<\/SPAN> <SPAN class="token function">imagecreatetruecolor<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="number token">100<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="number token">30<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="token function">imagestring<\/SPAN><SPAN class="punctuation token">(<\/SPAN><SPAN class="variable token">$stamp<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="number token">10<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="number token">10<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="number token">5<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="string token">'watermark'<\/SPAN><SPAN class="punctuation token">,<\/SPAN> <SPAN class="number token">0xff0000<\/SPAN><SPAN class="punctuation token">)<\/SPAN><SPAN class="punctuation token">;<\/SPAN>
<SPAN class="comment token">\/\/ définir les bordures et obtenir les tailles<\/span>
<SPAN class="variable token">$marge_right<\/span> <span class="operator token">=<\/span> <span class="number token">100<\/span><span class="punctuation token">;<\/span>
<span class="variable token">$marge_bottom<\/span> <span class="operator token">=<\/span> <span class="number token">100<\/span><span class="punctuation token">;<\/span>
<span class="variable token">$sx<\/span> <span class="operator token">=<\/span> <span class="token function">imagesx<\/span><span class="punctuation token">(<\/span><span class="variable token">$stamp<\/span><span class="punctuation token">)<\/span><span class="punctuation token">;<\/span>
<span class="variable token">$sy<\/span> <span class="operator token">=<\/span> <span class="token function">imagesy<\/span><span class="punctuation token">(<\/span><span class="variable token">$stamp<\/span><span class="punctuation token">)<\/span><span class="punctuation token">;<\/span>
<span class="comment token">\/\/ copier le watermark avec une transparence de 50 dans l'image originale<\/span>
<span class="token function">imagecopymerge<\/span><span class="punctuation token">(<\/span><span class="variable token">$im<\/span>, <span class="variable token">$stamp<\/span>, <span class="token function">imagesx<\/span>(<span class="variable token">$im<\/span>) - <span class="variable token">$sx<\/span> - <span class="variable token">$marge_right<\/span>, <span class="token function">imagesy<\/span>(<span class="variable token">$im<\/span>) - <span class="variable token">$sy<\/span> - <span class="variable token">$marge_bottom<\/span>, 0, 0, <span class="token function">imagesx<\/span>(<span class="variable token">$stamp<\/span>), <span class="token function">imagesy<\/span>(<span class="variable token">$stamp<\/span>), 50)<span class="punctuation token";>;\n<span>

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‍ \\n < > \\n < > \\n

mmais cela va créer une certaine charge sur le serveur... donc vous voudrez peut-être reconsidérer cela <> \\n
p

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Remarques finales

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Exécuter PHP avec un script "mauvais" peut produire une réponse très lente de votre serveur de tuiles proxifié. Vous devriez donc essayer de mettre en cache les tuiles sur votre serveur. Mais c'est une toute autre histoire.

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