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    Hi Keren,<br>
    <br>
    Another possibility is that you haven't displayed a variable yet,
    thus you don't have plotting dimensions defined.  If you open
    "dummy.ctl" and then don't display anything, I think your "q w2xy"
    line will return "No scaling environment", then this will cause
    "xloc" and "yloc" to be improperly defined.  Try display something
    first from your file "dummy.ctl".<br>
    <br>
    Also, it helps to use the "say" function to display these variables
    within your script to help diagnose the problem.  For example,
    adding say xloc', 'yloc will print these values to the screen.<br>
    <br>
    Jim<br>
    <br>
    <div class="moz-cite-prefix">On 11/30/15 9:39 AM, Jeff Duda wrote:<br>
    </div>
    <blockquote
cite="mid:CAAig09A9zZSNYtYNcMsW=8ScAVwOBFEcR-hEMbd7evvY_=ij-g@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div>
          <div>
            <div>
              <div>Keren,<br>
              </div>
              You have a lot of extra spaces floating around in your
              commands. As far as I know, when you're inserting script
              variables into a command in a grads script, you need to be
              very explicit with the formatting of the command. In other
              words, the spaces around your 'lat', 'lon', 'xloc', and
              'yloc' may be causing the syntax error. I recommend
              removing those spaces and trying again. For example,
              change<br>
              <br>
              "draw mark "flag " "xloc  " "yloc  " 0.1"
              <br>
              <br>
            </div>
            into <br>
            <br>
          </div>
          "draw mark "flag" "xloc" "yloc" 0.1"<br>
          <br>
        </div>
        Jeff<br>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Mon, Nov 30, 2015 at 1:30 PM, Keren
          Rosado - NOAA Affiliate <span dir="ltr">&lt;<a
              moz-do-not-send="true" href="mailto:keren.rosado@noaa.gov"
              target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:keren.rosado@noaa.gov">keren.rosado@noaa.gov</a></a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">
              <div>Thanks Jeff,<br>
              </div>
              <div><br>
                I already used the q w2xy and I don't see any error. <br>
                <br>
                <br>
              </div>
              <div>Here is the rest of the script <br>
                <br>
                file ="lightning_from00z29April.004.txt"
                <br>
                colors="1 2 3 4 5 6 7 8 9 10 11 12 13"
                <br>
                ccount=0
                <br>
                 <br>
                rc=1
                <br>
                while (rc != 2)
                <br>
                   data=read(file)
                <br>
                   rc=sublin(data,1)
                <br>
                   if (rc != 2)
                <br>
                      line=sublin(data,2)
                <br>
                      chk=substr(line,1,10)
                <br>
                      if (chk != "----------")
                <br>
                 <br>
                        lat=subwrd(line,1)
                <br>
                        lon=subwrd(line,2)
                <br>
                       flag=subwrd(line,3)
                <br>
                      color=subwrd(line,4)
                <br>
                 <br>
                 <br>
                        "q w2xy "lon " " lat
                <br>
                         xloc=subwrd(result,3)
                <br>
                         yloc=subwrd(result,6)
                <br>
                         name=subwrd(ccount,1)
                <br>
                 <br>
                          "set line "color" 1 5"
                <br>
                          "set lat -20 20"
                <br>
                          "set lon -40 25"
                <br>
                          "draw mark "flag " "xloc  " "yloc  " 0.1"
                <br>
                *         "draw mark 1 " xloc  " "yloc  " 0.06"
                <br>
                      else
                <br>
                         ccount=ccount+1
                <br>
                      endif
                <br>
                   endif
                <br>
                endwhile
                <br>
                 <br>
                 <br>
                'set string 1 tc 1'
                <br>
                'set strsiz .30'<br>
                <br>
              </div>
            </div>
            <div class="gmail_extra"><br clear="all">
              <div>
                <div>
                  <div dir="ltr">
                    <div>
                      <div dir="ltr">
                        <div style="font-size:12.8000001907349px">----<br>
                          Keren Rosado<br>
                          PhD Candidate/Howard University/NOAA EPP GRTSP
                          Fellow<br>
                          Intern/NOAA/NWS/NCEP/EMC <br>
                        </div>
                        <div><span style="font-size:12.8000001907349px">5830
                            University Research CT</span></div>
                        <div><span style="font-size:12.8000001907349px">Cubicle
                            2795</span><br>
                          <span style="font-size:12.8000001907349px">College
                            Park, MD 20740</span><br>
                          <span style="font-size:12.8000001907349px">Tel: </span><a
                            moz-do-not-send="true"
                            href="tel:%28301%29-683-3763"
                            value="+13016833763" target="_blank">(301)-683-3816</a><br>
                          Cel: <span style="color:rgb(0,0,255)"><u
                              style="background-color:rgb(255,255,255)">(407)-621-1676
                            </u><span
                              style="background-color:rgb(243,243,243)"></span></span><br>
                          <span style="font-size:12.8000001907349px">Email:
                            <a moz-do-not-send="true"
                              href="mailto:Keren.Rosado@noaa.gov"
                              target="_blank">Keren.Rosado@noaa.gov</a></span></div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
              <br>
              <div class="gmail_quote">On Mon, Nov 30, 2015 at 2:06 PM,
                Jeff Duda <span dir="ltr">&lt;<a moz-do-not-send="true"
                    href="mailto:jeffduda319@gmail.com" target="_blank">jeffduda319@gmail.com</a>&gt;</span>
                wrote:<br>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex">
                  <div dir="ltr">
                    <div>Keren,<br>
                      <br>
                      The error tells you what the problem is. You must
                      have a "draw mark" command somewhere in your
                      script that has a syntax error in it. You can use
                      the grads documentation index to determine values
                      of the various arguments to that function. I
                      suspect you have an error in your x and y
                      arguments in the function call. The x and y
                      arguments need to be in real page units, not world
                      coordinates. You'll need to use the 'query
                      (position)' functions to translate between world
                      coordinates, grid coordinates, and page
                      coordinates. A commonly used one is 'q w2xy',
                      which would convert world coordinates to real page
                      coordinates.<span><font color="#888888"><br>
                          <br>
                        </font></span></div>
                    <span><font color="#888888">Jeff Duda<br>
                      </font></span></div>
                  <div>
                    <div>
                      <div class="gmail_extra"><br>
                        <div class="gmail_quote">On Mon, Nov 30, 2015 at
                          12:51 PM, Keren Rosado - NOAA Affiliate <span
                            dir="ltr">&lt;<a moz-do-not-send="true"
                              href="mailto:keren.rosado@noaa.gov"
                              target="_blank">keren.rosado@noaa.gov</a>&gt;</span>
                          wrote:<br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex">
                            <div dir="ltr">
                              <div>The text file is big but from what I
                                can see is all numbers. <br>
                                <br>
                                 11.228   -73.969   1<br>
                                 13.983     5.299   1<br>
                                 13.790   -14.934   1<br>
                                 22.645   -51.073   1<br>
                                 11.254   -73.973   1<br>
                                  6.508   -61.990   1<br>
                                 11.405     4.011   1<br>
                                 29.012   -59.311   1<br>
                                 11.262   -74.027   1<br>
                                 10.631   -68.972   1<br>
                                 11.270   -73.941   1<br>
                                 11.341   -73.955   1<br>
                                 11.295   -73.604   1<br>
                                 11.269   -73.595   1<br>
                                 11.231   -73.537   1<br>
                                 11.254   -73.611   1<br>
                                <br>
                                <br>
                              </div>
                              When I type  "run <a
                                moz-do-not-send="true"
                                href="http://namescript.gs"
                                target="_blank">namescript.gs</a>" I get
                              the following error:<br>
                              <br>
                               DRAW error: Syntax is DRAW MARK marktype
                              x y size<br>
                              DRAW error: Syntax is DRAW MARK marktype x
                              y size<br>
                              DRAW error: Syntax is DRAW MARK marktype x
                              y size<br>
                              DRAW error: Syntax is DRAW MARK marktype x
                              y size<br>
                              DRAW error: Syntax is DRAW MARK marktype x
                              y size<br>
                              DRAW error: Syntax is DRAW MARK marktype x
                              y size<br>
                              <div>
                                <div><br>
                                </div>
                                <div>But when I run the script line by
                                  line the first error I get is the one
                                  I send in the first email.<br>
                                </div>
                                <div><br>
                                  <br>
                                </div>
                                <div>Thanks<br>
                                </div>
                                <div>
                                  <div><br>
                                  </div>
                                </div>
                              </div>
                            </div>
                            <div class="gmail_extra"><span><br
                                  clear="all">
                                <div>
                                  <div>
                                    <div dir="ltr">
                                      <div>
                                        <div dir="ltr">
                                          <div
                                            style="font-size:12.8000001907349px">----<br>
                                            Keren Rosado<br>
                                            PhD Candidate/Howard
                                            University/NOAA EPP GRTSP
                                            Fellow<br>
                                            Intern/NOAA/NWS/NCEP/EMC <br>
                                          </div>
                                          <div><span
                                              style="font-size:12.8000001907349px">5830
                                              University Research CT</span></div>
                                          <div><span
                                              style="font-size:12.8000001907349px">Cubicle
                                              2795</span><br>
                                            <span
                                              style="font-size:12.8000001907349px">College
                                              Park, MD 20740</span><br>
                                            <span
                                              style="font-size:12.8000001907349px">Tel: </span><a
                                              moz-do-not-send="true"
                                              href="tel:%28301%29-683-3763"
                                              value="+13016833763"
                                              target="_blank">(301)-683-3816</a><br>
                                            Cel: <span
                                              style="color:rgb(0,0,255)"><u
style="background-color:rgb(255,255,255)"><a moz-do-not-send="true"
                                                  href="tel:%28407%29-621-1676"
                                                  value="+14076211676"
                                                  target="_blank">(407)-621-1676</a>
                                              </u><span
                                                style="background-color:rgb(243,243,243)"></span></span><br>
                                            <span
                                              style="font-size:12.8000001907349px">Email:
                                              <a moz-do-not-send="true"
href="mailto:Keren.Rosado@noaa.gov" target="_blank">Keren.Rosado@noaa.gov</a></span></div>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                                <br>
                              </span>
                              <div>
                                <div>
                                  <div class="gmail_quote">On Mon, Nov
                                    30, 2015 at 1:16 PM, Jeff Duda <span
                                      dir="ltr">&lt;<a
                                        moz-do-not-send="true"
                                        href="mailto:jeffduda319@gmail.com"
                                        target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:jeffduda319@gmail.com">jeffduda319@gmail.com</a></a>&gt;</span>
                                    wrote:<br>
                                    <blockquote class="gmail_quote"
                                      style="margin:0 0 0
                                      .8ex;border-left:1px #ccc
                                      solid;padding-left:1ex">
                                      <div dir="ltr">
                                        <div>The snippet of script code
                                          you included isn't consistent
                                          with the output you included.
                                          I can't see from what you
                                          included what would be the
                                          cause of the error. Do you
                                          have non-alphanumeric
                                          characters in your text file?
                                          Otherwise I suspect you have a
                                          syntax error in your script
                                          somewhere else.<br>
                                          <br>
                                        </div>
                                        Jeff Duda<br>
                                      </div>
                                      <div class="gmail_extra"><br>
                                        <div class="gmail_quote">
                                          <div>
                                            <div>On Mon, Nov 30, 2015 at
                                              10:36 AM, Keren Rosado -
                                              NOAA Affiliate <span
                                                dir="ltr">&lt;<a
                                                  moz-do-not-send="true"
href="mailto:keren.rosado@noaa.gov" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:keren.rosado@noaa.gov">keren.rosado@noaa.gov</a></a>&gt;</span>
                                              wrote:<br>
                                            </div>
                                          </div>
                                          <blockquote
                                            class="gmail_quote"
                                            style="margin:0 0 0
                                            .8ex;border-left:1px #ccc
                                            solid;padding-left:1ex">
                                            <div>
                                              <div>
                                                <div dir="ltr">
                                                  <div>
                                                    <div>Hello, <br>
                                                      <br>
                                                    </div>
                                                    I am trying to open
                                                    a .txt file in a .gs
                                                    grads script without
                                                    luck. <br>
                                                  </div>
                                                  <div>Grads version
                                                    2.0.1<br>
                                                  </div>
                                                  <div><br>
                                                    <br>
                                                  </div>
                                                  This is what I have <br>
                                                  <div><br>
                                                    'open dummy.ctl'<br>
                                                    file =
                                                    'A20100826a.txt'<br>
                                                    colors="1 2 3 4 5 6
                                                    7 8 9 10 11 12 13"<br>
                                                    ccount=0<br>
                                                    <br>
                                                    rc=1<br>
                                                    while (rc != 2)<br>
                                                       data=read(file)<br>
                                                       rc=sublin(data,1)<br>
                                                       if (rc != 2)<br>
                                                         
                                                    line=sublin(data,2)<br>
                                                         
                                                    chk=substr(line,1,10)<br>
                                                          if (chk !=
                                                    "----------")<br>
                                                    .<br>
                                                    .<br>
                                                    .<br>
                                                    .<br>
                                                  </div>
                                                  <div> The code keeps
                                                    going but the error
                                                    is at the "file"
                                                    line. <br>
                                                    <br>
                                                  </div>
                                                  <div>Here is the error
                                                    <br>
                                                    file =
                                                    'A20100826a.txt'<br>
                                                    Syntax Error: 
                                                    Expected operand or
                                                    '('<br>
                                                      Error ocurred at
                                                    column 1<br>
                                                    DEFINE error: 
                                                    Invalid expression.
                                                    <br>
                                                    <br>
                                                  </div>
                                                  <div>Thanks!<br>
                                                  </div>
                                                  <div><br>
                                                  </div>
                                                  <div><br>
                                                    <br clear="all">
                                                    <div>
                                                      <div>
                                                        <div>
                                                          <div>
                                                          <div dir="ltr">
                                                          <div>
                                                          <div dir="ltr">
                                                          <div
                                                          style="font-size:12.8px">----<br>
                                                          Keren Rosado<br>
                                                          PhD
                                                          Candidate/Howard
                                                          University/NOAA
                                                          EPP GRTSP
                                                          Fellow<br>
                                                          Intern/NOAA/NWS/NCEP/EMC
                                                          <br>
                                                          </div>
                                                          <div><span
                                                          style="font-size:12.8px">5830
                                                          University
                                                          Research CT</span></div>
                                                          <div><span
                                                          style="font-size:12.8px">Cubicle
                                                          2795</span><br>
                                                          <span
                                                          style="font-size:12.8px">College
                                                          Park, MD 20740</span><br>
                                                          <span
                                                          style="font-size:12.8px">Tel: </span><a
moz-do-not-send="true" href="tel:%28301%29-683-3763"
                                                          value="+13016833763"
target="_blank">(301)-683-3816</a><br>
                                                          Cel: <span
                                                          style="color:rgb(0,0,255)"><u
style="background-color:rgb(255,255,255)"><a moz-do-not-send="true"
                                                          href="tel:%28407%29-621-1676"
value="+14076211676" target="_blank">(407)-621-1676</a> </u><span
                                                          style="background-color:rgb(243,243,243)"></span></span><br>
                                                          <span
                                                          style="font-size:12.8px">Email:
                                                          <a
                                                          moz-do-not-send="true"
href="mailto:Keren.Rosado@noaa.gov" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:Keren.Rosado@noaa.gov">Keren.Rosado@noaa.gov</a></a></span></div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                          </div>
                                                        </div>
                                                      </div>
                                                    </div>
                                                  </div>
                                                </div>
                                                <br>
                                              </div>
                                            </div>
_______________________________________________<br>
                                            gradsusr mailing list<br>
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                                              href="mailto:gradsusr@gradsusr.org"
                                              target="_blank">gradsusr@gradsusr.org</a><br>
                                            <a moz-do-not-send="true"
                                              href="http://gradsusr.org/mailman/listinfo/gradsusr"
                                              rel="noreferrer"
                                              target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
                                            <br>
                                          </blockquote>
                                        </div>
                                        <span><font color="#888888"><br>
                                            <br clear="all">
                                            <br>
                                            -- <br>
                                            <div>Jeff Duda<br>
                                              Graduate research
                                              assistant<br>
                                              University of Oklahoma
                                              School of Meteorology<br>
                                              Center for Analysis and
                                              Prediction of Storms<br>
                                            </div>
                                          </font></span></div>
                                      <br>
_______________________________________________<br>
                                      gradsusr mailing list<br>
                                      <a moz-do-not-send="true"
                                        href="mailto:gradsusr@gradsusr.org"
                                        target="_blank">gradsusr@gradsusr.org</a><br>
                                      <a moz-do-not-send="true"
                                        href="http://gradsusr.org/mailman/listinfo/gradsusr"
                                        rel="noreferrer" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
                                      <br>
                                    </blockquote>
                                  </div>
                                  <br>
                                </div>
                              </div>
                            </div>
                            <br>
_______________________________________________<br>
                            gradsusr mailing list<br>
                            <a moz-do-not-send="true"
                              href="mailto:gradsusr@gradsusr.org"
                              target="_blank">gradsusr@gradsusr.org</a><br>
                            <a moz-do-not-send="true"
                              href="http://gradsusr.org/mailman/listinfo/gradsusr"
                              rel="noreferrer" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
                            <br>
                          </blockquote>
                        </div>
                        <br>
                        <br clear="all">
                        <span class="HOEnZb"><font color="#888888"><br>
                            -- <br>
                            <div>Jeff Duda<br>
                              Graduate research assistant<br>
                              University of Oklahoma School of
                              Meteorology<br>
                              Center for Analysis and Prediction of
                              Storms<br>
                            </div>
                          </font></span></div>
                      <span class="HOEnZb"><font color="#888888">
                        </font></span></div>
                  </div>
                  <span class="HOEnZb"><font color="#888888"><br>
                      _______________________________________________<br>
                      gradsusr mailing list<br>
                      <a moz-do-not-send="true"
                        href="mailto:gradsusr@gradsusr.org"
                        target="_blank">gradsusr@gradsusr.org</a><br>
                      <a moz-do-not-send="true"
                        href="http://gradsusr.org/mailman/listinfo/gradsusr"
                        rel="noreferrer" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
                      <br>
                    </font></span></blockquote>
              </div>
              <br>
            </div>
            <br>
            _______________________________________________<br>
            gradsusr mailing list<br>
            <a moz-do-not-send="true"
              href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a><br>
            <a moz-do-not-send="true"
              href="http://gradsusr.org/mailman/listinfo/gradsusr"
              rel="noreferrer" target="_blank">http://gradsusr.org/mailman/listinfo/gradsusr</a><br>
            <br>
          </blockquote>
        </div>
        <br>
        <br clear="all">
        <br>
        -- <br>
        <div class="gmail_signature">Jeff Duda<br>
          Graduate research assistant<br>
          University of Oklahoma School of Meteorology<br>
          Center for Analysis and Prediction of Storms<br>
        </div>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
gradsusr mailing list
<a class="moz-txt-link-abbreviated" href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>
<a class="moz-txt-link-freetext" href="http://gradsusr.org/mailman/listinfo/gradsusr">http://gradsusr.org/mailman/listinfo/gradsusr</a>
</pre>
    </blockquote>
    <br>
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