<div dir="ltr">Thank you guys for your answers.<br><br>As for my original problem, I noticed that streets were aligned with Yahoo images while buildings are not, therefore I assumed that buildings are wrongly placed.<br><br>
<div class="gmail_quote">On Mon, Sep 14, 2009 at 8:06 AM, Aspen Swartz <span dir="ltr"><<a href="mailto:aspendel@gmail.com">aspendel@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
> ------------------------------<br>
><br>
> Message: 10<br>
> Date: Sun, 13 Sep 2009 21:18:11 -0600<br>
> From: James Ewen <<a href="mailto:ve6srv@gmail.com">ve6srv@gmail.com</a>><br>
> Subject: Re: [OSM-newbies] Trust Yahoo or OSM?<br>
> To: <a href="mailto:newbies@openstreetmap.org">newbies@openstreetmap.org</a><br>
> Message-ID:<br>
> <<a href="mailto:fe2e5b210909132018k625a8810s9ad6eac332ff6704@mail.gmail.com">fe2e5b210909132018k625a8810s9ad6eac332ff6704@mail.gmail.com</a>><br>
> Content-Type: text/plain; charset=ISO-8859-1<br>
<div><div></div><div class="h5">><br>
> On Sun, Sep 13, 2009 at 4:54 PM, David Ellams<br>
> <<a href="mailto:osmlists@dellams.fastmail.fm">osmlists@dellams.fastmail.fm</a>> wrote:<br>
><br>
>>> The aerial photos can be displaced slightly. Potlatch has a built in<br>
>>> facility for moving the background photo to align it to the real<br>
>>> world.<br>
>><br>
>> Sorry, I am not clear - are you saying Potlatch will allow you to move<br>
>> the Yahoo photography from its default position? If so, please could you<br>
>> let me know how, as I cannot see an option.<br>
><br>
> Go to <a href="http://www.openstreetmap.org" target="_blank">http://www.openstreetmap.org</a> in your browser. Zoom in to level<br>
> 13 or better so that the edit button becomes available. Click on edit,<br>
> and then select either "Edit Live", or "Edit with Save". Once you have<br>
> Potlatch running, on the bottom of the screen is a button that has the<br>
> word "Help" on it. Click that button, and a help screen opens up. On<br>
> the top of the help screen, click on the word "Surveying". The last<br>
> paragraph under "Using Satellite Photos" describes the process for<br>
> shifting the photos against the map.<br>
><br>
> While you have the help screen open, take a bit of time to read the<br>
> information provided. Potlatch is actually a collection of fairly<br>
> powerful tools, and information on how to access those tools is<br>
> available in the help file.<br>
><br>
> Now, you are probably thinking that it would have been much easier to<br>
> simply say "Hold down "Space", and drag the background", but I'm<br>
> hoping you and others will actually take the time to read the help<br>
> file rather than keep asking those who have read the help file to<br>
> regurgitate it for you. Richard went to the trouble to create the help<br>
> file, the least we can do is read it.<br>
><br>
> It's the old "Teach a man to fish" adage...<br>
><br>
> The real short answer would have been RTFHP. 8)<br>
><br>
> James<br>
> VE6SRV<br>
><br>
<br>
</div></div>Thank you, that was very clear and just the sort of learning I signed<br>
up to the newbies list for.<br>
<br>
Aspen (eulochon)<br>
<div><div></div><div class="h5"><br>
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</div></div></blockquote></div><br></div>