<div dir="ltr">Hi, <br><br>thanks for your replies.<br><br>Suppose that in my application the region is empty, there are not maps loaded.<br>The user opens a map with a its own resolution; now the region is the whole map.<br>
Then the user opens another map with resolution different from the previous one.<br><br>In order to represent simultaneously the two maps, I need to set one of the two resolution as region's resolution (I think the more high) and subsampling the data of the other map.<br>
<br>As Oliver as said, this is made with the RasterIO function, I think with the nPixelSpace parameter. But what is the relation between the parameters nPixelSpace to pass to the the RasterIO function, and the adfGeoTransform[] of the two maps?<br>
<br>Thanks a lot.<br>Michele<br><br></div>