<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
@font-face
{font-family:"sans serif";}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
p
{mso-style-priority:99;
mso-margin-top-alt:auto;
margin-right:0in;
mso-margin-bottom-alt:auto;
margin-left:0in;
font-size:12.0pt;
font-family:"Times New Roman","serif";}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{mso-style-priority:99;
mso-style-link:"Balloon Text Char";
margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif";}
span.EmailStyle18
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:#1F497D;}
span.BalloonTextChar
{mso-style-name:"Balloon Text Char";
mso-style-priority:99;
mso-style-link:"Balloon Text";
font-family:"Tahoma","sans-serif";}
span.EmailStyle21
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:8.5in 11.0in;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Nicolas,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Looks good bud! Thanks!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Martin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> SIMON Nicolas [mailto:nicolas.simon@spw.wallonie.be] <br><b>Sent:</b> Wednesday, May 17, 2017 4:41 AM<br><b>To:</b> Martin Chapman<br><b>Cc:</b> gdal-dev@lists.osgeo.org; Even Rouault<br><b>Subject:</b> RE: [gdal-dev] MrSID Color Spaces<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Martin,</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Could you test this patch ?</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Nicolas</span><span lang=FR-BE><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> </span><span lang=FR-BE><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span lang=FR style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gdal-dev [<a href="mailto:gdal-dev-bounces@lists.osgeo.org">mailto:gdal-dev-bounces@lists.osgeo.org</a>] <b>De la part de</b> Even Rouault<br><b>Envoyé :</b> mardi 16 mai 2017 18:28<br><b>À :</b> Martin Chapman<br><b>Cc :</b> <a href="mailto:gdal-dev@lists.osgeo.org">gdal-dev@lists.osgeo.org</a><br><b>Objet :</b> Re: [gdal-dev] MrSID Color Spaces</span><span lang=FR-BE><o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=FR-BE> <o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>On mardi 16 mai 2017 10:13:52 CEST Martin Chapman wrote:</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> Even or Frank or whoever it may concern,</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> Not a big deal but I was trying to open a JP2 file using the MrSID driver</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> and noticed that the mrsiddataset.cpp does not identify the color spaces</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> MRSID_LTI_COLORSPACE_GRAYSCALEA and MRSID_LTI_COLORSPACE_GRAYSCALEA_PM</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> configurations in the MrSIDRasterBand() constructor. I happen to have a two</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> band JP2 that is a grayscale image with an alpha channel. The color</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> interpretation comes back as GCI_undefined. Not that important but if you</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> ever feel like fixing it, that would be nice.</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> The fix would go somewhere close to line 485 in mrsiddataset.cpp. Basically</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>> just need to add a couple of more case statements in the switch statement.</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>Martin,</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>Seems you are closed to a patch. Can you provide it ?</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>Even</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'> </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>-- </span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'>Spatialys - Geospatial professional services</span><span lang=FR-BE><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span lang=FR-BE style='font-size:9.0pt;font-family:"sans serif"'><a href="http://www.spatialys.com">http://www.spatialys.com</a></span><span lang=FR-BE><o:p></o:p></span></p></div></body></html>