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On 29-05-2014 22:08, Even Rouault wrote:
<blockquote cite="mid:1676571.y1rOAcFv1E@even-thinkpad-l530"
type="cite">
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<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> Glad to not do, but than I'm left with
nothing. If I do instead as you say</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> GDALSetMetadataItem(hDstDS,
GDALMD_AREA_OR_POINT, "Point", NULL);</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> which than equivalent to</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> GDALSetMetadataItem(hDstDS,
"AREA_OR_POINT", "Point", NULL);</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> than, as I showed before and contrary to
your python examples, the</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> GDALSetMetadataItem() is not working in
our code.</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> > On which dataset do you this : a
GTiff dataset ? Opened in update mode ?</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> No, not update mode. It's dataset filled
an empty MEM. See (lines #167</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> and after)</p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">>
<a class="moz-txt-link-freetext" href="http://gmtrac.soest.hawaii.edu/projects/gmt/repository/entry/branches/5.2.0/">http://gmtrac.soest.hawaii.edu/projects/gmt/repository/entry/branches/5.2.0/</a></p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">> src/gmt_gdalwrite.c</p>
</blockquote>
<br>
<blockquote cite="mid:1676571.y1rOAcFv1E@even-thinkpad-l530"
type="cite">
<p style="-qt-paragraph-type:empty; margin-top:0px;
margin-bottom:0px; margin-left:0px; margin-right:0px;
-qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">Well, I suppose that your local copy of the
code use GDALMD_ARE_OR_POINT unquoted...</p>
</blockquote>
<br>
as mentioned before, with and without.<br>
<br>
<blockquote cite="mid:1676571.y1rOAcFv1E@even-thinkpad-l530"
type="cite">
<p style="-qt-paragraph-type:empty; margin-top:0px;
margin-bottom:0px; margin-left:0px; margin-right:0px;
-qt-block-indent:0; text-indent:0px; "> </p>
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">I've tried a simplified version of your code
and it works for me. Do you use a recent enough version of GDAL
?</p>
</blockquote>
<br>
Yes. A svn revision after 1.11.<br>
<br>
<br>
<blockquote cite="mid:1676571.y1rOAcFv1E@even-thinkpad-l530"
type="cite">
<p style=" margin-top:0px; margin-bottom:0px; margin-left:0px;
margin-right:0px; -qt-block-indent:0; text-indent:0px;
-qt-user-state:0;">Note: for AREA_OR_POINT to be taken into
account in GeoTiff, you need to define both a geotransform and a
SRS.</p>
</blockquote>
<br>
AHHHHHH. This changes the whole story. Some cases do not set a SRS.
Is there any fall-back SRS that I could use when no info is
available to create one?<br>
Type, 'linear in unknown units'?<br>
<br>
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