Re: pollutants distribution over traffic map

All,

I added Dave's correction of shapefiles_12.ncl and also his modification for the Georgia area.
Thanks Dave!

http://www.ncl.ucar.edu/Applications/shapefiles.shtml#ex12

--Mary

On Apr 9, 2013, at 12:58 PM, Luo, Chao wrote:

> Dave,
>
> I missed the space between "I-" and "75". Your script works.
>
> Thanks,
>
> cl
>
> From: "Dave Allured - NOAA Affiliate" <dave.allured@noaa.gov>
> To: "Chao Luo" <chao.luo@eas.gatech.edu>
> Cc: ncl-talk@ucar.edu
> Sent: Tuesday, April 9, 2013 11:39:13 AM
> Subject: Re: pollutants distribution over traffic map
>
> CL,
>
> Please insert exactly one space between "I-" and "75". The string match function requires an exact character match, and those strings in the highway shape file are peculiar.
>
> I get all three requested highways with my version "shapefiles_12b.ncl", which is attached:
>
> <image.gif>
>
> --Dave
>
> On Tue, Apr 9, 2013 at 12:32 PM, Luo, Chao <chao.luo@eas.gatech.edu> wrote:
> Hi Adam,
>
> I did something wrong in last email. I tried your revised shapefiles_12.ncl by changing highways to I-75,I-85
> highways = (/"I-75","I- 85","I- 285"/). But the script only draws I-85 and I-285, and didn't draw I-75. I am attaching the plot. Please check it.
>
> Thanks much,
>
> cl
>
> ----- Original Message -----
> From: "Adam Phillips" <asphilli@ucar.edu>
> To: ncl-talk@ucar.edu
> Sent: Tuesday, April 9, 2013 11:20:52 AM
> Subject: Re: pollutants distribution over traffic map
>
> Hi CL,
> My apologies, I missed your previous email saying you tried switching
> the interstates to Georgia interstates...
> Adam
>
> On 4/9/13 12:15 PM, Adam Phillips wrote:
> > Hi CL,
> > Did you modify Dave's script to specify an interstate that is in
> > Georgia, say I-85 or I-75?
> > highways = (/"I-75","I-85","I-20"/)
> > Adam
> >
> > On 4/9/13 12:08 PM, Luo, Chao wrote:
> >> Dave,
> >>
> >> I just try your version in Georgia area. It's exactly same as last
> >> one I attached. The script only draws highways outside of GA boundary.
> >>
> >> Thanks,
> >>
> >> cl
> >>
> >> ------------------------------------------------------------------------
> >> *From: *"Dave Allured - NOAA Affiliate" <dave.allured@noaa.gov>
> >> *To: *"Chao Luo" <chao.luo@eas.gatech.edu>
> >> *Cc: *ncl-talk@ucar.edu
> >> *Sent: *Tuesday, April 9, 2013 10:54:20 AM
> >> *Subject: *Re: [ncl-talk] pollutants distribution over traffic map
> >>
> >> I previously forgot to attach my updated version of shapefile_12.ncl.
> >> It is now attached to this message. Sorry for the confusion.
> >>
> >> CL, would you mind giving this version a try for your Georgia area?
> >> Thank you.
> >>
> >> --Dave
> >>
> >> On Tue, Apr 9, 2013 at 11:48 AM, Luo, Chao <chao.luo@eas.gatech.edu
> >> <mailto:chao.luo@eas.gatech.edu>> wrote:
> >>
> >> Hi,
> >>
> >> I just test shapefile_12.ncl by only changing highway to I-75,
> >> I-85, I-285 and zoom in GA. It seems the script didn't draw
> >> highway inside of GA boundary, only draws highway out of GA
> >> boundary. I am attaching the test plot. Very appreciate your help!
> >>
> >> cl
> >>
> >> ----- Original Message -----
> >> From: "Dave Allured - NOAA Affiliate" <dave.allured@noaa.gov
> >> <mailto:dave.allured@noaa.gov>>
> >> To: ncl-talk@ucar.edu <mailto:ncl-talk@ucar.edu>
> >> Sent: Tuesday, April 9, 2013 10:25:40 AM
> >> Subject: Re: pollutants distribution over traffic map
> >>
> >> Hi Mary.
> >>
> >> Your current example shapefile_12 misses some of the requested
> >> highway
> >> segments. Attached is a corrected script. Please consider using
> >> this
> >> version on the example website. Compare your example plot
> >> here<http://www.ncl.ucar.edu/Applications/Images/shapefiles_12_lg.png>
> >> to
> >> the corrected version:
> >>
> >> [image: Inline image 1]
> >>
> >> The problem is that this particular highway shape file contains some
> >> complex entries in the feature_names, for example "I- 5, US 30".
> >> You need
> >> to add a little extra string handling code to adapt to these
> >> complex name
> >> strings.
> >>
> >> --Dave
> >>
> >> On Tue, Apr 9, 2013 at 9:12 AM, Mary Haley <haley@ucar.edu
> >> <mailto:haley@ucar.edu>> wrote:
> >>
> >> > Hi folks,
> >> >
> >> > I updated the example to add a simple text legend. I kept
> >> wondering which
> >> > highway that little brown line was. :-)
> >> >
> >> > If you need to query a shapefile string variable in order to
> >> determine
> >> > whether to draw a certain feature (for example to draw only
> >> highways that
> >> > start with "I-"), then you can use the str_match_ind function
> >> (see also the
> >> > other str_xxxx functions for more string processing).
> >> >
> >> > --Mary
> >> >
> >> > On Apr 8, 2013, at 7:57 PM, Jim Means wrote:
> >> >
> >> > Mary Haley was kind enough to just create an example that
> >> showed how to
> >> > plot highways using a shapefile from NOAA:
> >> >
> >> > http://www.ncl.ucar.edu/Applications/shapefiles.shtml
> >> >
> >> > It's the last example on the page, shapefiles_12.ncl. I used
> >> code from
> >> > that example to overlay radar data on a highway map, that
> >> sounds somewhat
> >> > similar to what you're doing.
> >> >
> >> > Jim
> >> >
> >> > On 4/9/2013 00:55, Luo, Chao wrote:
> >> >
> >> > Hi,
> >> >
> >> > I am trying to make plot for visualization of local pollutants
> >> > distribution overlap on main highways, and was wondering if NCL
> >> has such
> >> > function, which can be used to do it.
> >> >
> >> > Very appreciate any suggestion and help!
> >> >
> >> > cl
> >>
> >>
> >>
> >>
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> >
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Received on Tue Apr 9 13:26:27 2013