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--></style></head><body bgcolor=white lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'>Hi Mary,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'>This was exactly what I was looking for. Thank you!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'>/M<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Marston S. Johnston, PhD<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Department of Earth Sciences<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>University of Gothenburg, Sweden<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Email: <a href="mailto:marston.johnston@gu.se"><span style='color:#0070C0'>marston.johnston@gu.se</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>SkypeID: marston.johnston <o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Phone: +46-31-7864901 <o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>Only the fruitful thing is true!<o:p></o:p></span></p><p class=MsoNormal><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~<o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:Calibri;mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-family:Calibri;color:black'>From: </span></b><span style='font-family:Calibri;color:black'>Mary Haley <haley@ucar.edu><br><b>Date: </b>Friday, 2 June 2017 at 17:16<br><b>To: </b>Marston Johnston <shejo284@gmail.com><br><b>Cc: </b>Beáta Szabó-Takács <szabo.b@czechglobe.cz>, NCL Talk <ncl-talk@ucar.edu><br><b>Subject: </b>Re: [ncl-talk] replace part of colormap<o:p></o:p></span></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal>Just an FYI: the example Beáta provided is an excellent one for showing how to create your own color map.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>You can also change a color map programmatically, if you don't want to create a new color map file.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>See color_19.ncl at:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><a href="http://www.ncl.ucar.edu/Applications/color.shtml#ex19">http://www.ncl.ucar.edu/Applications/color.shtml#ex19</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>This uses read_colormap_file to read in the desired color map ("amwg") and then sets the first color to white.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Cheers,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>--Mary<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Mon, May 15, 2017 at 5:12 AM, Marston Johnston <<a href="mailto:shejo284@gmail.com" target="_blank">shejo284@gmail.com</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Hi Beata,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>It worked perfectly per your instructions. Thanks for the help </span><span style='font-size:11.0pt;font-family:"Apple Color Emoji"'>☺</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Have a great day!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>/M</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Marston S. Johnston, PhD</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Department of Earth Sciences</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>University of Gothenburg, Sweden</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Email: <a href="mailto:marston.johnston@gu.se" target="_blank"><span style='color:#0070C0'>marston.johnston@gu.se</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>SkypeID: marston.johnston </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Phone: <a href="tel:+46%2031%20786%2049%2001" target="_blank">+46-31-7864901</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Only the fruitful thing is true!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span><o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span style='color:black'>From: </span></b><span style='color:black'>Beáta Szabó-Takács <<a href="mailto:szabo.b@czechglobe.cz" target="_blank">szabo.b@czechglobe.cz</a>><br><b>Date: </b>Monday, 15 May 2017 at 11:05<br><b>To: </b>Marston Johnston <<a href="mailto:shejo284@gmail.com" target="_blank">shejo284@gmail.com</a>>, NCL Talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>><br><b>Subject: </b>RE: replace part of colormap</span><o:p></o:p></p></div><div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Hi Marston,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>You can produce a new .rgb color palette by copy „amwg256.rgb” and rename it e.g „amwg2”. Open the created amwg2.rgb file and rewrite the first rgb numbers: 146 112 219 to 255 255 255 and save the file. After that, you have to set your environment variable based on <a href="http://www.ncl.ucar.edu/Document/Graphics/create_color_table.shtml" target="_blank">http://www.ncl.ucar.edu/Document/Graphics/create_color_table.shtml</a> to use awg2.rgb in your script.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>I hope I could help you!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Best regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt;color:#1F497D'>Beata</span><o:p></o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:11.0pt'>From:</span></b><span lang=EN-US style='font-size:11.0pt'> <a href="mailto:ncl-talk-bounces@ucar.edu" target="_blank">ncl-talk-bounces@ucar.edu</a> [mailto:<a href="mailto:ncl-talk-bounces@ucar.edu" target="_blank">ncl-talk-bounces@ucar.edu</a>] <b>On Behalf Of </b>Marston Johnston<br><b>Sent:</b> Monday, May 15, 2017 10:45 AM<br><b>To:</b> NCL Talk <<a href="mailto:ncl-talk@ucar.edu" target="_blank">ncl-talk@ucar.edu</a>><br><b>Subject:</b> [ncl-talk] replace part of colormap</span><o:p></o:p></p></div></div><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 style='font-size:11.0pt'>Hi,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>I am using the color palette "amwg” which sets a light purple color for the lowest value range.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>However, I would like to set this part of the spectrum to “white” instead.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>I cannot find an example of how this can be done – if it can be done.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Does anyone have any idea? Appreciate your thoughts.</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>Best,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'>/M</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='font-size:11.0pt'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Marston S. Johnston, PhD</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Department of Earth Sciences</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>University of Gothenburg, Sweden</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Email: <a href="mailto:marston.johnston@gu.se" target="_blank"><span style='color:#0070C0'>marston.johnston@gu.se</span></a></span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>SkypeID: marston.johnston </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Phone: <a href="tel:+46%2031%20786%2049%2001" target="_blank">+46-31-7864901</a> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>Only the fruitful thing is true!</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span style='color:#0070C0'>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><br>_______________________________________________<br>ncl-talk mailing list<br><a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a><br>List instructions, subscriber options, unsubscribe:<br><a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" target="_blank">http://mailman.ucar.edu/mailman/listinfo/ncl-talk</a><o:p></o:p></p></blockquote></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>