<p class="MsoBodyText"><span lang="EN-GB">Hello</span></p><p class="MsoBodyText"><span lang="EN-GB">I have polygon layer which divides my image into several areas all contiguous. With the same size, I have a raster image. I want to:</span></p>
<p class="MsoBodyText"><span lang="EN-GB">- calculate the most frequent value of the raster inside each polygon;</span></p><p class="MsoBodyText"><span lang="EN-GB">- the maximum and minimum value inside each polygon</span></p>
<p class="MsoBodyText">How can this be done in GRASS?</p><p class="MsoBodyText"><br>Thanks</p><p class="MsoBodyText">Katrin</p>