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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Thomas,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">It appeared that GIMP has invented a new format for saving the curves since the Mapverver LUT processing option was introduced in 2006 and the new format is not supported anyway. GIMP
can still export the old compact format and for that the 2500 character limit may be realistic.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">-Jukka-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>Lähettäjä:</b> thomas bonfort <thomas.bonfort@gmail.com> <br>
<b>Lähetetty:</b> keskiviikko 26. tammikuuta 2022 12.19<br>
<b>Vastaanottaja:</b> Rahkonen Jukka (MML) <jukka.rahkonen@maanmittauslaitos.fi><br>
<b>Kopio:</b> Mapserver-Users (mapserver-users@lists.osgeo.org) <mapserver-users@lists.osgeo.org><br>
<b>Aihe:</b> Re: [mapserver-users] LUT file too long, what to do?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Jukka,<o:p></o:p></p>
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<p class="MsoNormal">Unfortunately it's hardcoded: <a href="https://github.com/MapServer/MapServer/blob/2d73b379284aa12a2013929dfb6cdc244ae60994/mapdrawgdal.c#L1064">
https://github.com/MapServer/MapServer/blob/2d73b379284aa12a2013929dfb6cdc244ae60994/mapdrawgdal.c#L1064</a> but it shouldn't be very difficult for you to apply a local patch fixing that.<o:p></o:p></p>
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<p class="MsoNormal">regards,<o:p></o:p></p>
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<p class="MsoNormal">thomas<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Wed, Jan 26, 2022 at 11:11 AM Rahkonen Jukka (MML) <<a href="mailto:jukka.rahkonen@maanmittauslaitos.fi">jukka.rahkonen@maanmittauslaitos.fi</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">I am trying to adjust satellite image colors with a GIMP curve file but trial fails because the file is too long</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">[Wed Jan 26 12:03:52 2022].708000 msDrawRasterLayerLow(sentinel_lut): entering.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">[Wed Jan 26 12:03:52 2022].713000 drawGDAL(): Unable to access file. LUT definition from file c:\ms4w_data\sentinel_malli_a.crv longer than maximum buffer size
(2500 bytes).</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US">Is this a hard coded limit or can user override it somehow? The .crv file has 26000 characters and it is using ridiculous precision in entries (0.98265581597222207)
but it is not easy to shrink it into 2500 characters.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">-Jukka Rahkonen-<o:p></o:p></p>
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<p class="MsoNormal">_______________________________________________<br>
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