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<p>Hi,</p>
<p>I believe, but Even will confirm, that the data is not organized
correctly for the gdal driver. I looked at line 2001 and the file
is organized by x value with incrementing y values. The x value
is constant and the y value change on every line. The error is
detected on line 2001 when the x value changes<br>
</p>
x y z<br>
32342000.00 5659997.00 43.35<br>
32342000.00 5659998.00 43.41<br>
32342000.00 5659999.00 43.34<br>
32342001.00 5658000.00 45.16 (line 2001)<br>
32342001.00 5658001.00 45.13<br>
32342001.00 5658002.00 45.00<br>
<br>
<p>I reprojected and srtm and save it as a xyz using gdal12xyz and
this is what I got for the first few lines<br>
</p>
<p>xyz</p>
<p>26548864.985 8824521.429 -32768<br>
26548904.304 8824521.429 -32768<br>
26548943.623 8824521.429 -32768<br>
26548982.941 8824521.429 -32768<br>
</p>
<div class="moz-cite-prefix">and at line 4749 thing change to a new
y coordinate<br>
</div>
<div class="moz-cite-prefix">26735471.145 8824521.429 -32768<br>
26735510.464 8824521.429 -32768<br>
26548864.985 8824482.110 -32768<br>
26548904.304 8824482.110 -32768</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">As you can see, the x values changes on
every line and the y value is constant as stated in
<a class="moz-txt-link-freetext" href="https://gdal.org/drivers/raster/xyz.html">https://gdal.org/drivers/raster/xyz.html</a></div>
<div class="moz-cite-prefix">"<span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">The spacing
between each cell must be constant and no missing value is
supported. Cells with same Y coordinates must be placed on
consecutive lines. For a same Y coordinate value, the lines in
the dataset must be organized by increasing X values. The value
of the Y coordinate can increase or decrease however. The
supported column separators are space, comma, semicolon and
tabulations."</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;"><br>
</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">I am not sure
the driver can handle this. You can however open the data as a
csv and rasterize or interpolate the data (using nearest
neighbor) If you use the same pixel size and posting, this will
work and not change the data.</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;"><br>
</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">Perhaps Even
R. has a solution.</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;">Nicolas<br>
</span></div>
<div class="moz-cite-prefix"><span style="color: rgb(64, 64, 64);
font-family: Lato, proxima-nova, "Helvetica Neue",
Arial, sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; background-color: rgb(252, 252,
252); text-decoration-style: initial; text-decoration-color:
initial; display: inline !important; float: none;"><br>
</span></div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix"><br>
</div>
<div class="moz-cite-prefix">On 2020-11-16 9:49 a.m., Prof. Dr.
Martin Berchtold wrote:<br>
</div>
<blockquote type="cite"
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<p class="MsoNormal"><span lang="EN-US">Dear all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">could somebody please
explain me why QGIS doesn’t process the DEM1 data from
OpenDataNRW (.xyz, 1 meter, Nordrhein-Westfalen) while the
DEM25 data from OpenDataRLP (.xyz, 25m, Rheinland-Pfalz, but
congruent structure to NRW) works out without any problem???<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Error message:<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">Ungültiger Layer: </span></b><span
lang="EN-US">GDAL provider Cannot open GDAL dataset
C:/[…]/dgm1_05315000_Köln_EPSG4647_XYZ/dgm1_32342_5658_2_nw.xyz:
Ungridded dataset: At line 2001, change of Y direction
Raster layer Datenanbieter ist ungültig (Anbieter gdal, URI:
C:/[…]/dgm1_05315000_Köln_EPSG4647_XYZ/dgm1_32342_5658_2_nw.xyz<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">There is no change at
line 2001… I have no idea, esp. because I can process the
NRW files in ArcGIS pro without any problem.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is there a limit of file
size or line numbers?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks for any help und
kind regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Martin<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"
lang="EN-US">---<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;mso-fareast-language:DE"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:14.0pt;mso-fareast-language:DE"
lang="EN-US">dvm<b>P</b><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"
lang="EN-US">Digitalisierung, Visualisierung &
Monitoring in der Raumplanung<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"
lang="EN-US">Jun.-Prof. Dr.
</span><span style="mso-fareast-language:DE">Martin Berchtold<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="color:#7F7F7F;mso-fareast-language:DE">TU
Kaiserslautern, Fachbereich Raum- und Umweltplanung<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="color:#7F7F7F;mso-fareast-language:DE">Pfaffenbergstraße
95 | D 67663 Kaiserslautern<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="color:#7F7F7F;mso-fareast-language:DE">Geb. 1, R. U28<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="color:#7F7F7F;mso-fareast-language:DE">T +49 631
205-5151 | M +49 177 3692249<o:p></o:p></span></p>
<p class="MsoNormal"><a
href="mailto:martin.berchtold@ru.uni-kl.de"
moz-do-not-send="true"><span
style="color:blue;mso-fareast-language:DE">martin.berchtold@ru.uni-kl.de</span></a><span
style="color:#7F7F7F;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="http://www.ru.uni-kl.de/dvmP"
moz-do-not-send="true"><span
style="color:blue;mso-fareast-language:DE">www.ru.uni-kl.de/dvmP</span></a><span
style="color:#7F7F7F;mso-fareast-language:DE"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
</div>
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