<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    On 29-05-2014 22:08, Even Rouault wrote:
    <blockquote cite="mid:1676571.y1rOAcFv1E@even-thinkpad-l530"
      type="cite">
      <meta name="qrichtext" content="1">
      <style type="text/css">
p, li { white-space: pre-wrap; }
</style>
      <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>
  </body>
</html>