Re: pollutants distribution over traffic map

From: Adam Phillips <asphilli_at_nyahnyahspammersnyahnyah>
Date: Tue Apr 09 2013 - 12:20:52 MDT

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 12:21:05 2013

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