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20030910: PATH command



------- Forwarded Message

From: Robert Mullenax <address@hidden>
To: "'address@hidden'" <address@hidden>
Subject: RE: PATH
Date: Wed, 10 Sep 2003 17:26:32 -0500

The path command will automatically draw the lines.  Just add the points
into the file and do:

PATH PLOT FILE LINE=YES

..actually LINE=YES is the default so that isn't
needed.   If it's a waypoint or something like that, give it a label
when you add the points and do

PATH PLOT FILE LINE=YES LABEL=YES
 
-----Original Message-----
From: Travis Martin [mailto:address@hidden]
Sent: Wednesday, September 10, 2003 5:03 PM
To: address@hidden
Subject: PATH


Hello,
 
Does anyone have any examples of using the path command to draw lines
between lat/lon points?  There is some brief documentation of the
command possibilities, but not quite enough for me to jump in.  Any
code examples would be really helpful.  I'm trying to plot jet
routes.....given a large set of lat/lon points.

Thanks in advance,

Travis Martin Software Engineer Weathernews Americas Inc.  149 New
Montgomery St.  San Francisco, CA  94105 415-848-5261 (Office)
415-310-5719 (Mobile) 415-848-5201 (Fax)

------- End of Forwarded Message

From: "Travis Martin" <address@hidden>
Date: Wed, 10 Sep 2003 15:43:03 -0700
To: <address@hidden>

Sounds pretty easy, so what would the format of the file be?  lat lon,
lat lon, lat lon, lat lon ?

Thanks!

_____ 
Travis Martin
Weathernews Americas Inc.

From: Robert Mullenax <address@hidden>
To: "'address@hidden'" <address@hidden>
Subject: RE: PATH
Date: Wed, 10 Sep 2003 17:49:24 -0500

When I say file I mean the PATH file.  e.g.:
 
PATH MAKE TEST
PATH ADD TEST 1 29.5 95.0 "POINT1
PATH ADD TEST 2 30.0 93.0 "POINT2
 
etc..
 
You could write a shell script that would read from a flat file of
lat/lon points and add them using that command.


From: "Travis Martin" <address@hidden>
Date: Wed, 10 Sep 2003 16:04:59 -0700
To: <address@hidden>

I see.......excellent; I appreciate the help very much!

_____

Travis Martin
Weathernews Americas Inc.

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Message-ID: <address@hidden>
From: "HOETH, BRIAN R. (JSC-ZS) (LM)" <address@hidden>
To: "'address@hidden'" <address@hidden>
Subject: RE: PATH
Date: Wed, 10 Sep 2003 17:17:42 -0500
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Travis,
 
We use the PATH command to track hurricanes when the Hurricane Discussions
come out.  Here's an example of building a path of lat/lon points using PATH
for the latest Discussion (WTNT43 KNHC 102024) for Hurricane Isabel:
 
PATH QUIT ISABEL
PATH ADD ISABEL 1 21.2 51.9 "10/2100Z
PATH ADD ISABEL 2 21.3 53.5 "11/0600Z
PATH ADD ISABEL 3 21.4 55.2 "11/1800Z
PATH ADD ISABEL 4 21.5 56.9 "12/0600Z
PATH ADD ISABEL 5 21.7 58.6 "12/1800Z
PATH ADD ISABEL 6 22.0 62.5 "13/1800Z
PATH ADD ISABEL 7 23.0 66.0 "14/1800Z
PATH ADD ISABEL 8 23.5 69.5 "15/1800Z
 
You can list the path you just built by doing:
 
PATH LIST ISABEL
 
You can plot the path by doing:
 
PATH PLOT ISABEL LABEL=YES
 
Hope this helps!
 
--------------- 
Brian Hoeth 
Spaceflight Meteorology Group 
Johnson Space Center   
Ph: 281-483-3246 
Ops:  281-483-1051 
-----Original Message-----
From: Travis Martin [mailto:address@hidden]
Sent: Wednesday, September 10, 2003 5:03 PM
To: address@hidden
Subject: PATH


Hello,
 
Does anyone have any examples of using the path command to draw lines
between lat/lon points?  There is some brief documentation of the command
possibilities, but not quite enough for me to jump in.  Any code examples
would be really helpful.  I'm trying to plot jet routes.....given a large
set of lat/lon points.
 
Thanks in advance,
 
 

Travis Martin
Software Engineer
Weathernews Americas Inc.
149 New Montgomery St.
San Francisco, CA  94105
415-848-5261 (Office)
415-310-5719 (Mobile)
415-848-5201 (Fax)
 
 
 

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<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2>Travis,</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>We use=20
the PATH command to track hurricanes when the =
Hurricane&nbsp;Discussions come=20
out.&nbsp; Here's an example of building a path of lat/lon =
points&nbsp;using=20
PATH for&nbsp;the latest&nbsp;Discussion (WTNT43 KNHC 102024)&nbsp;for =
Hurricane=20
Isabel:</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
QUIT ISABEL</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 1 21.2 51.9 "10/2100Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 2 21.3 53.5 "11/0600Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 3 21.4 55.2 "11/1800Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 4 21.5 56.9 "12/0600Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 5 21.7 58.6 "12/1800Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 6 22.0 62.5 "13/1800Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 7 23.0 66.0 "14/1800Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
ADD ISABEL 8 23.5 69.5 "15/1800Z</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>You=20
can list the path you just built by doing:</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
LIST ISABEL</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>You=20
can plot the path by doing:</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>PATH=20
PLOT ISABEL LABEL=3DYES</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff size=3D2>Hope=20
this helps!</FONT></SPAN></DIV>
<DIV><SPAN class=3D907380822-10092003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D907380822-10092003><FONT color=3D#0000ff><FONT =
face=3DArial=20
size=3D2>---------------</FONT> <BR><FONT face=3DArial size=3D2>Brian =
Hoeth</FONT>=20
<BR><FONT face=3DArial size=3D2>Spaceflight Meteorology Group</FONT> =
<BR><FONT=20
face=3DArial size=3D2>Johnson Space Center&nbsp;&nbsp; </FONT><BR><FONT =
face=3DArial=20
size=3D2>Ph: 281-483-3246</FONT> <BR><FONT face=3DArial =
size=3D2>Ops:&nbsp;=20
281-483-1051</FONT> </FONT></DIV></SPAN>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
  <DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
  size=3D2>-----Original Message-----<BR><B>From:</B> Travis Martin=20
  [mailto:address@hidden]<BR><B>Sent:</B> Wednesday, September 10, =
2003 5:03=20
  PM<BR><B>To:</B> address@hidden<BR><B>Subject:</B>=20
  PATH<BR><BR></FONT></DIV>
  <DIV class=3DSection1>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Hello,<o:p></o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Does anyone have any =
examples of=20
  using the path command to draw lines between lat/<SPAN =
class=3DSpellE>lon</SPAN>=20
  points?<SPAN style=3D"mso-spacerun: yes">&nbsp; </SPAN>There is some =
brief=20
  documentation of the command possibilities, but not quite enough for =
me to=20
  jump in.<SPAN style=3D"mso-spacerun: yes">&nbsp; </SPAN>Any code =
examples would=20
  be really helpful.<SPAN style=3D"mso-spacerun: yes">&nbsp; </SPAN>I'm =
trying to=20
  plot jet routes.....given a large set of lat/<SPAN =
class=3DSpellE>lon</SPAN>=20
  points.<o:p></o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks in=20
  advance,<o:p></o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
  style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN=20
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mso-no-proof: yes">Travis=20
        Martin</SPAN></FONT></B></st1:PersonName><FONT =
color=3D#666666><SPAN=20
        style=3D"COLOR: #666666; mso-no-proof: yes"><BR><I><SPAN=20
        style=3D"FONT-STYLE: italic">Software =
Engineer</SPAN></I><BR><I><SPAN=20
        style=3D"FONT-STYLE: italic">Weathernews Americas=20
        Inc.</SPAN></I></SPAN></FONT><SPAN=20
        style=3D"mso-no-proof: yes"><o:p></o:p></SPAN></P></TD>
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        style=3D"FONT-SIZE: 10pt; COLOR: #666666; FONT-STYLE: italic; =
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        <DIV>
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        style=3D"mso-no-proof: =
yes"><o:p></o:p></SPAN></P></DIV></TD></TR></TBODY></TABLE>
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From: Salottolo Greg <address@hidden>
To: "'Travis Martin'" <address@hidden>
Cc: "'McIDAS Users Mail Group'" <address@hidden>
Subject: FW: PATH
Date: Thu, 11 Sep 2003 07:16:02 -0400
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Good Morning Travis:

Here is a McBASI job, care of Becky, that takes a ASCII lat lon file
(32.6666 90.4555, etc) and generates a PATH file. We use it to plot aircraft
ground track data and lightning data.

It maybe be useful to you.

Greg 

-------------------------------------------------------
Gregory D. Salottolo
National Resource Specialist
Meteorology
National Transportation Safety Board
490 L'Enfant Plaza  East, SW
Washington D.C. 20594-0003
Work 202.314.6338
Fax 202.314.6339
e-mail address@hidden
--------------------------------------------------------



-----Original Message-----
From: McIDAS Help Desk [mailto:address@hidden]
Sent: Friday, June 07, 2002 2:50 PM
To: Salottolo Greg
Subject: Re: PATH


Salottolo Greg wrote:
> 
> Good Morning:
> 
> Can I set up a file that can be used by the PATH command? Presently adding
> points manually using PATH ADD <FILE>.
> 
> Thanks ..
> 
> Greg ...

Greg -

The easiest way that I can think of is to just put your PATH ADD
commands into a batch file and run the commands with BATCH.

Another way is to write a McBASI job that reads a list of lat/lon points
and creates the PATH ADD commands (I've attached an example of this to
the end of this mail message).

Let me know if one of these two ideas don't meet your needs.

Thanks, and have a great weekend!
Becky

=================
Becky Schaffer
McIDAS Help Desk
address@hidden
=================


rem
rem 1st parameter is path name
rem

rem
rem assuming input text file is similar to the following
rem
rem 43.25 125.25
rem where the first 5 characters are the latitude followed by a 
rem space and then the next 6 characters are the longitude
rem
     input n$
     open "PATHLIST",10
     i = 1
10   input @10,a$
     if a$=EOF$ stop

rem
rem d$ is the latitude, adjust the mid$ function for appropriate string
length
rem e$ is the longitude, adjust the mid$ function for appropriate start
position and length
rem

     d$ = mid$(a$,1,5))
     e$ = mid$(a$,7,6))
     keyin "PATH ADD "; n$ ;" "; i ;" "; d$ ;" ";e$
     i = i + 1
     goto 10
     close 10