<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><div id="bloop_customfont" style="font-family:Helvetica,Arial;font-size:13px; color: rgba(0,0,0,1.0); margin: 0px; line-height: auto;"><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">Dear All.</div><div id="bloop_customfont" style="margin: 0px;"><b><br></b></div><div id="bloop_customfont" style="margin: 0px;"><b>Problem: </b></div><div id="bloop_customfont" style="margin: 0px;">When combining gsMarkerIndex 16 with gsMarkerOpacity < 1.0 a small but sometimes significant perimeter circle is drawn with Opacity = 1.0. Leaving a bold perimeter around the marker. </div><div id="bloop_customfont" style="margin: 0px;">Maybe this is the desired behaviour? </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><b>Code and Examples:</b></div><div id="bloop_customfont" style="margin: 0px;"><b><br></b></div><div id="bloop_customfont" style="margin: 0px;">wks = gsn_open_wks("pdf","test") </div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">res = True</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">res@gsnDraw = False</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">res@gsnFrame = False</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">plot = gsn_blank_plot(wks, res)</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">gs_res = True</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">gs_res@gsMarkerIndex = 16</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">gs_res@gsMarkerSizeF = 0.14 </div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">gs_res@gsMarkerColor = "Red"</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">mark1 = gsn_add_polymarker(wks, plot, 0.3, 0.3, gs_res)</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">gs_res@gsMarkerOpacityF = 0.6</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">mark = gsn_add_polymarker(wks, plot, 0.5, 0.5, gs_res)</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">draw(plot)</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">frame(wks)</div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;"><br></div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">test.pdf <- zoomed in from the above code. On the semi transparent marker the perimeter is evident. This is normally not noticeable however. </div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;">example.png <- map with lots of polymarkers on it. The bold perimeter becomes rather evident in this use. </div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;"><br></div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;"><br></div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;"><b>Solutions?</b></div><div style="font-size: 13.076923370361328px;"><span class="Apple-tab-span" style="white-space: pre;"> </span>gsLineOpacity does not seem to influence the perimeter line. </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="font-size: 13.076923370361328px; margin: 0px;"><font face="Helvetica"><span class="Apple-tab-span" style="white-space: pre;"> </span><strike>I guess I should be using MarkerIndex 1 instead of 16</strike> MarkerIndex 1 also does the same thing. After testing it at the end of this email. </font></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">Thanks,</div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">Alan. </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;">P.s. Apologies if this comes thru twice, the first version had a pdf which was too large. </div><div id="bloop_customfont" style="margin: 0px;"><br></div><div id="bloop_customfont" style="margin: 0px;"><br></div><br style="font-size: 13.076923370361328px;"><div class="bloop_sign" id="bloop_sign_1417547140520456960" style="font-size: 13.076923370361328px;"><div style="font-family: helvetica, arial;">-- <br>Alan Brammer<br>PhD Candidate — African Easterly Waves and TC genesis</div><div style="font-family: helvetica, arial;">University At Albany, NY</div><div style="font-family: helvetica, arial;">www.atmos.albany.edu/student/abrammer</div></div></div></body></html>