<div dir="ltr"><div>HI,<br><br></div><div>Normally, when you make calls that return a plot object, such as gsn_csm_xy(), the plot is generated and drawn immediately. If you want to further annotate the plot with polylines or text, etc, you have to suppress this auto-draw:<br><pre> res@gsnDraw = False ; don't draw the plots now
res@gsnFrame = False ; or advance the frame<br> ...<br></pre><pre> plot = gsn_csm_xy(wks, ...., res)<br> ...<br></pre><pre> gsn_ployline(...)<br></pre><pre> gsn_text(...)<br></pre><pre> ...etc...<br></pre><pre> draw(plot) ; now explicitly draw the plot<br></pre><pre> frame(wks) ; advance workstaton to next page/window/image<br> ...<br><br></pre><pre>Make sense?<br></pre><pre>Rick<br></pre></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 8, 2017 at 6:37 PM, Anahita Amiri Farahani <span dir="ltr"><<a href="mailto:aamir003@ucr.edu" target="_blank">aamir003@ucr.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi All,<div><br></div><div>Here is my code to add legend and text to the plot, but it does not work:</div><div><br></div><div><br></div><div><div><br></div><div>m1 = "ccsm3_bgc4_I_11b"</div><div>m2 = "b30.061cb"</div><div><br></div><div>line_col1 = "red"</div><div>line_col2 = "blue"</div><div>line_pat1 = 0 ; Solid</div><div>line_pat2 = 2 ; Dashed</div><div><br></div><div><br></div><div> wks = gsn_open_wks ("eps","xy") </div><div>;---Set plotting parameters</div><div> res = True </div><div>res@xyDashPattern = 0 ; Make curves all solid</div><div>res@xyLineColors = (/"blue","red","green"/) ; change line color</div><div>res@tiMainString = "Vertical profile of atmospheric heating rate" ; add title</div><div>res@tiXAxisString = "Atmospheric heating (K/day)" ; xaxis string</div><div>res@tiYAxisString = "Pressure levels (hPa)" ; yaxis string</div><div>res@trYReverse = True ; reverse Y-axis</div><div><br></div><div>res@trYMinF = 0<span class="m_-1772966832140042752gmail-Apple-tab-span" style="white-space:pre-wrap"> </span>; set minimum Y-axis value</div><div>res@trYMaxF = 1200<span class="m_-1772966832140042752gmail-Apple-tab-span" style="white-space:pre-wrap"> </span>; set maximum Y-axis value</div><div>res@trXMinF = -0.5 ; set minimum X-axis value</div><div>res@trXMaxF = 1.2 ; set maximum X-axis value</div><div><br></div><div><br></div><div>plot = gsn_csm_xy (wks,data2,lev2,res) ; create plot</div><div>;</div><div>; Draw some text and lines to create a legend.</div><div>;</div><div> res_text = True</div><div> res_text@txFontHeightF = 0.015</div><div> res_text@txJust = "CenterLeft"</div><div><br></div><div> res_lines = True ; polyline mods desired</div><div> res_lines@gsLineColor = line_col1 ; line color</div><div> res_lines@gsLineThicknessF = 3 ; line thicker</div><div> res_lines@gsLineDashPattern = line_pat1 ; dash pattern</div><div><br></div><div> xx = (/1893,1907/)</div><div> yy = (/0.705,0.705/)</div><div> gsn_polyline(wks,plot,xx,yy,<wbr>res_lines)</div><div> gsn_text(wks,plot,m1,1900,53.,<wbr>res_text)</div><div><br></div><div> yy = (/0.79,0.79/)</div><div> res_lines@gsLineColor = line_col2 ; line color</div><div> res_lines@gsLineDashPattern = line_pat2 ; dash pattern</div><div> gsn_polyline(wks,plot,xx,yy,<wbr>res_lines)</div><div> gsn_text(wks,plot,m2,1900,52.<wbr>5,res_text)</div><div> </div><div><br></div><div>delete(wks)</div><div><br></div><div><br></div></div><div><br></div><div><br></div><div><br></div><div>Thank you,</div><div>Ana</div></div>
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