<html><head></head><body><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div id="ydpfa663e1fyiv5431894890"><div style="font-family:verdana, helvetica, sans-serif;font-size:13px;"><div>Bonjour,</div><div><br></div><div><p class="ydp2ed8ec53MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";mso-bidi-font-family:"Times New Roman";color:black">Je voudrais extraire, pour chaque polygone d'une couche vectorielle, <span style="color: rgb(0, 0, 0); font-family: Verdana, sans-serif; font-size: 13.3333px;">des attributs de texture</span> à partir d'une
image raster panchromatique (Péliade), j'ai utilisé l'extension statistiques de
zone mais la valeur de champs ajoutés à la couche vectorielle est toujours
NULL.</span></p>
<p class="ydp2ed8ec53MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";mso-bidi-font-family:"Times New Roman";color:black">je sais pas pourquoi cette
extension fonctionne bien avec quelques images et ne fonctionne pas avec
d'autres.</span></p><br></div><div><p class="ydp69c35de3MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";mso-bidi-font-family:"Times New Roman";color:black">Quelqu'un peut m'aider, SVP, à résoudre ce problème?</span></p>
<p class="ydp69c35de3MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";mso-bidi-font-family:"Times New Roman";color:black"> </span></p>
<p class="ydp69c35de3MsoNormal" style="margin-bottom: 0.0001pt; line-height: normal; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";mso-bidi-font-family:"Times New Roman";color:black">Merci d'avance</span></p><br></div></div></div></div></div></body></html>