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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I noticed this question in gis.stackexchange
<a href="https://gis.stackexchange.com/questions/305641/gdal-doesnt-create-contours-for-the-whole-raster?noredirect=1#comment493737_305641">
https://gis.stackexchange.com/questions/305641/gdal-doesnt-create-contours-for-the-whole-raster?noredirect=1#comment493737_305641</a> and now I wonder<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">If gdalinfo reports NoData Value=3.4028234663852886e+38, why gdal_contour does not accept the value as -snodata but user needs to know to use “inf”?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US">If user asks gdal_contour to create intervals of 1 m from 20 to 3.4028234663852886e+38, wouldn’t it be better to ask “Are you sure?” or error out before starting a process that will for sure fail? I guess that
in most cases users do not really want more than 1000 contour levels.<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">-Jukka Rahkonen-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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