Dear QGIS Gurus: 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.
I emailed a friend who uses other GIS software (including ArcGIS, ERDAS and IDRISI) and he suggested that 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? kind regards....Don
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