<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Dear Users,<div><br></div><div>I would like to ask a question about a message that Grads gives when I try to run my script shown below.</div><div><br></div><div><div>'c'</div><div>'open SRFreadRF.ctl'</div><div>'set mpdset hires'</div><div>'set gxout shaded'</div><div>'set display color white'</div><div>'set rgb 16 0 0 255'</div><div>'set rgb 17 55 55 255'</div><div>'set rgb 18 110 110 255'</div><div>'set rgb 19 165 165 255'</div><div>'set rgb 20 220 220 255'</div><div>'set rgb 21 255 220 220'</div><div>'set rgb 22 255 165 165'</div><div>'set rgb 23 255 110 110'</div><div>'set rgb 24 255 55 55'</div><div>'set rgb 25 255 0 0'</div><div>'set clevs -5 -4 -3 -2 -1 1 2 3 4 5'</div><div>'set ccols 16 17 18 19 20 21 22 23 24 25'</div><div>'define rf=ave(evp,t=1,t=12)'</div><div>'reset'</div><div>'open SRFreadFUT.ctl'</div><div>'set mpdset hires'</div><div>'set gxout shaded'</div><div>'set display color white'</div><div>'set rgb 16 0 0 255'</div><div>'set rgb 17 55 55 255'</div><div>'set rgb 18 110 110 255'</div><div>'set rgb 19 165 165 255'</div><div>'set rgb 20 220 220 255'</div><div>'set rgb 21 255 220 220'</div><div>'set rgb 22 255 165 165'</div><div>'set rgb 23 255 110 110'</div><div>'set rgb 24 255 55 55'</div><div>'set rgb 25 255 0 0'</div><div>'set clevs -5 -4 -3 -2 -1 1 2 3 4 5'</div><div>'set ccols 16 17 18 19 20 21 22 23 24 25'</div><div>'define fut=ave(evp,t=1,t=12)'</div><div>'d (fut-rf)'</div><div>'run /usr/local/lib/grads/cbar.gs'</div><div>'draw title Difference between Future and RF datas'</div><div>'printim diffevp.gif'</div><div>'quit'</div></div><div><br></div><div>As I run this script Grads says:</div><div><br></div><div>"Cannot plot color bar: No shading information". </div><div><br></div><div>Although I've set gxout shaded and also I've set rgb colors that I wanted to use already. What I try to do in this script is to get the difference of a variable, between the future and past datas from two different data files. I really couldn't find where I am making the mistake. Can you please help me? </div><div><br></div><div>I am running the latest Grads version available (<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: 13px; -webkit-border-horizontal-spacing: 4px; -webkit-border-vertical-spacing: 4px; ">GrADS 2.0.a9) for Mac and am running Grads</span> on Mac OS X 10.6.7.</div><div><br></div><div>Thank you and best regards;</div><div><br></div><div>Emre Salkim</div><div><br></div><div><br></div></body></html>