<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_1_1429017336816_9401" dir="ltr">I don't know if QGIS supports this feature out of the box. In the past, I used MRTSwath to orthorectify MODIS:</div><div id="yui_3_16_0_1_1429017336816_9402" dir="ltr"><br></div><div id="yui_3_16_0_1_1429017336816_9406" dir="ltr"><a id="yui_3_16_0_1_1429017336816_9405" href="https://lpdaac.usgs.gov/tools/modis_reprojection_tool_swath">https://lpdaac.usgs.gov/tools/modis_reprojection_tool_swath</a><br></div><div id="yui_3_16_0_1_1429017336816_9436"><br><span></span></div><span id="yui_3_16_0_1_1429017336816_9525">OTB and OSSIM are 2 open source libraries that can be used to rectify satellite images as well.</span><div id="yui_3_16_0_1_1429017336816_9526" dir="ltr"><br><span></span></div><div id="yui_3_16_0_1_1429017336816_9527" dir="ltr"><span>Peter</span></div><br> <div id="yui_3_16_0_1_1429017336816_9364" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;"> <div id="yui_3_16_0_1_1429017336816_9363" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1429017336816_9362" dir="ltr"> <hr size="1"> <font id="yui_3_16_0_1_1429017336816_9365" face="Arial" size="2"> <b><span style="font-weight:bold;">From:</span></b> Don McNeil <don.mcneil@mq.edu.au><br> <b><span style="font-weight: bold;">To:</span></b> qgis-user@lists.osgeo.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday, April 14, 2015 1:09 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [Qgis-user] getting square raster images from MODIS tiff files into QGIS<br> </font> </div> <div id="yui_3_16_0_1_1429017336816_9366" class="y_msg_container"><br><div id="yiv7967872054"><div id="yui_3_16_0_1_1429017336816_9368" dir="ltr">Dear QGIS Gurus:<div id="yui_3_16_0_1_1429017336816_9367"><br></div><div id="yui_3_16_0_1_1429017336816_9369">My problem is that, having already created vector layers for a region in separate sub-windows of QGIS, when I create an additional layer for a raster image by opening a MODIS TIFF file for the same region, it appears as a trapezium rather than a rectangle, and when I try to convert it to a rectangle by specifying the UTM location, the vector images disappear. So I can't show both the squared raster image and the vector images together.</div><div id="yui_3_16_0_1_1429017336816_9563"><br></div><div id="yui_3_16_0_1_1429017336816_9565">I emailed a friend who uses other GIS software (including ArcGIS, <span style="font-size:12.8000001907349px;">ERDAS and IDRISI) and he suggested that </span><span id="yui_3_16_0_1_1429017336816_9564" style="font-size:12.8000001907349px;">I might need a process of rectification for adjusting the shape and position of the image to the real position instead of just changing the coordination. If so, does Quantum GIS have a function to do that?</span></div><div id="yui_3_16_0_1_1429017336816_9566"><span style="font-size:12.8000001907349px;"><br></span></div><div id="yui_3_16_0_1_1429017336816_9568"><span id="yui_3_16_0_1_1429017336816_9567" style="font-size:12.8000001907349px;">kind regards....Don</span></div></div></div><br>_______________________________________________<br>Qgis-user mailing list<br><a href="" id="yui_3_16_0_1_1429017336816_9569" class="removed-link" ymailto="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a><br><a href="" id="yui_3_16_0_1_1429017336816_9570" class="removed-link" target="_blank">http://lists.osgeo.org/mailman/listinfo/qgis-user</a><br><br></div> </div> </div> </div></body></html>