Hi I have mainly been doing tracing of Bing images in far flung corners of the world where I have been. However I have been reading about offset problems with Bing imagery and was wondering if this would all be wasted work?
I have mainly been doing work in Zimbabwe and South Africa with work being classified as: - Tracing and classing buildings - Making lake outlines more accurate. Lake Kariba as an example is a bit rough and ready. This is mainly prep work so I can add marinas and other amenities. - Tracing railway lines and roads in northern Zimbabwe. I might revisit a number of the places I have edited and will then be able to get some GPS traces, building names etc that I could use to compare offset with. But in the meantime is there any other way to determine the offset of satellite imagery? So to summarize my questions: - In the absence of immediate local presence, is tracing acceptable and not wasted effort. - Is there a reliable way to determine offset in a specific location without GPS track data Regards -- Gerhardus Geldenhuis
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