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A couple of question that might help find where the problem is:<br>
<br>
On 04/21/2012 05:59 PM, Jerry Bond wrote:
<blockquote cite="mid:201204211059.55973.gbond@rochester.rr.com"
type="cite">
<pre wrap="">Hi List --
I hate to bring such basic stuff, but I can't solve this and need it for a
business project. I am running QGIS 1.7.2 on MEPIS 11 (based on Debian
Stable).
I have a set of tree locations collected in the field, and they import
correctly into Google Earth. I set up a QGIS project, brought in orthoimages
from NYS GIS Clearinghouse and loaded the correct ones without problem. Their
projection is WGS 84, when I click on the lower right corner.</pre>
</blockquote>
<br>
WHen you click in the right corner, that shows the Coordinate System
of the *project*, not the layer. Please check the ortho-photo's CRS
in the layer's properties windows, metadata tab.<br>
Do you know in advance, for sure, that the ortho-photos are in
Lon/Lat WGS84?? (Usually aerial photos are supplied in some
projected CRS, *not* in the un-projected Lon/Lat WGS84 CRS)<br>
<blockquote cite="mid:201204211059.55973.gbond@rochester.rr.com"
type="cite">
<pre wrap="">
Then I created a delimited layer importing the tree locations, and I can see
all the points and the data are all correct. That projection is also WGS 84.
But the points do not show on the orthos (yes the layer is checked) and I do
not know how to proceed at this point.</pre>
</blockquote>
To get a clearer idea of what's going on, right-click on the tree
locations layer and do a "Zoom to Layer", then check what the
coordinates are (in the status bar) as you move the mouse from tree
to tree. I assume they will be numbers in degrees Lon and Lat ?<br>
Now right click on the ortho layer, and again "Zoom to Layer". Now
move the mouse around the image, and check what coordinates you get.<br>
<br>
If the orthos are in some projected CRS, and correctly recognized,
the solution might be very simple: Just open the Project Properties
window (click that same symbol in the lower right corner), and in
the CRS tab, check to "Enable On the Fly" projection. <br>
<br>
HTH,<br>
Micha<br>
<br>
<blockquote cite="mid:201204211059.55973.gbond@rochester.rr.com"
type="cite">
<pre wrap="">
I need a map I can take into the field next week, so I'd appreciate any advice
people might have.
Jerry Bond
Urban Forest Analytics
<a class="moz-txt-link-freetext" href="http://www.urbanforestanalytics.com">http://www.urbanforestanalytics.com</a>
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</pre>
</blockquote>
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<br>
<pre class="moz-signature" cols="72">--
Micha Silver
GIS Consultant, Arava Development Co.
<a class="moz-txt-link-freetext" href="http://www.surfaces.co.il">http://www.surfaces.co.il</a></pre>
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