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[IDV #GDP-431455]: Shape file challenges



> Yuan:
> 
> Apologies for not getting back to you on this.
> 
> Yes, the shape files work and they plot in the right places.
> Hooray!  I'm hoping to play around with this a bit more in the near future.
> 
> Jim

Jim,
   Thanks for the information.


Yuan
> 
> On 6/29/12 3:09 PM, Unidata IDV Support wrote:
> >> Yuan:
> >>
> >> That's great news.  This is a prime example of reducing "data
> >> friction."  Nice work.
> >>
> >> Jim
> >>
> > Jim,
> >
> >     You can try the nightly release now. I think I have fixed all your 
> > problem. Otherwise, Let us know.
> >
> >
> > Yuan
> >> On 6/26/12 4:21 PM, Unidata IDV Support wrote:
> >>>> Yuan:
> >>>>
> >>>> Thanks for looking into all these issues.  This kmz/shape file
> >>>> stuff is more complicated than I would have thought!
> >>>>
> >>>> Are these changes that you will eventually implement into the IDV?
> >>>> Is there anything I can do from my end?
> >>> Jim,
> >>>       I have checked in all the changes and I am waiting for John's CDM 
> >>> release. You don't need to do anything. I will let you know when it is 
> >>> ready in the nightly release.
> >>>
> >>>
> >>> Yuan
> >>>> With regards to lift tickets, when you come to Utah, give me a call.
> >>>>
> >>>> Jim
> >>>>
> >>>> On 6/26/12 11:57 AM, Unidata IDV Support wrote:
> >>>>>>> Yuan:
> >>>>>>>
> >>>>>>> Here are some answers to your questions, but it might get confusing!
> >>>>>>>
> >>>>>>> With regards to why I am loading the zip, it's because I cannot get
> >>>>>>> some of the .shp file to plot at all.  I'm not sure why this 
> >>>>>>> particular
> >>>>>>> shape file is so problematic.  I have others from other sources that
> >>>>>>> plot just fine.  That being said, I have used .zip files in the past
> >>>>>>> because it allows for filtering, etc.
> >>>>>> Jim,
> >>>>>> In many .shp files, the attribute format (.dbf) and index format 
> >>>>>> (.shx) are included. They can also be separated. Those shp files you 
> >>>>>> were loading into the IDV obviously have separated style.
> >>>>>>
> >>>>> Jim,
> >>>>>        See the attached image, the rad boundary line is from the KMZ 
> >>>>> file, and the green is from the shapefile. The problem of the position 
> >>>>> of the shape file is due to the projection. The CDM library uses the 
> >>>>> Transverse_Mercator projection which has the fix earth radius. After 
> >>>>> checking with John and Jeff, we move to use the UTM, and the position 
> >>>>> is corrected.
> >>>>>       Another mystery is why the SkiLifts shape file not working. 
> >>>>> According to Jeff, the IDV only parse some shape from the .shp file and 
> >>>>> causing the mismatch with .dbf file. One quick solution is to remove 
> >>>>> the .dbf file inside the zip file. But I am going to explore the other 
> >>>>> solution to make it easier for user like you.
> >>>>>
> >>>>>        Now, with all these answers and efforts I put in, are you going 
> >>>>> to send us free lift tickets? :)
> >>>>>
> >>>>>
> >>>>> Yuan
> >>>>>>> In the case of the attached with IDV3.0u3, the SkiAreaBoundries
> >>>>>>> plot (in the wrong location) if I go to Data>Choose Data and load in 
> >>>>>>> the
> >>>>>>> zip file.
> >>>>>> This likely be a bug in the IDV, I still try to rule out the 
> >>>>>> possibility of the precision of the data itself.
> >>>>>>
> >>>>>> If I instead try to load in just the .shp file, I cannot get
> >>>>>>> it to plot successfully either via Data>Choose Data or if I try to add
> >>>>>>> it as a map.
> >>>>>>>
> >>>>>>> As you know, the data here is plotted in the wrong location. In the
> >>>>>>> attached, I used the kmz file I sent earlier to plot the data using
> >>>>>>> IDV2.9u2 (note that IDV3.0u3 cannot read the kmz file) and the shapes
> >>>>>>> are plotted in the correct location.  I've used terrain shading so you
> >>>>>>> can get an idea of where they should be.
> >>>>>> IDV 2.9 and 3.0 should behavior the same. There is no changes since 
> >>>>>> 2.8 in this portion of the source code. I figure out the problme,  the 
> >>>>>> IDV tried to write a file named doc.xml in the location it has no 
> >>>>>> permission. I will check in a fix soon.
> >>>>>>
> >>>>>>> For what it is worth, I've downloaded .shp and .zip files from
> >>>>>>> other sites whereby IDV has struggled and is unable to plot the data.
> >>>>>>> Download the lesson at
> >>>>>>> http://edcommunity.esri.com/arclessons/lesson.cfm?id=397 and see if 
> >>>>>>> you
> >>>>>>> can plot the various data for Colorado.  Perhaps this is like netCDF
> >>>>>>> where not all netCDF files are "created equal."
> >>>>>>>
> >>>>>> I will give it a try.
> >>>>>>
> >>>>>>
> >>>>>> Yuan
> >>>>>>> Jim
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>> Ticket Details
> >>>>> ===================
> >>>>> Ticket ID: GDP-431455
> >>>>> Department: Support IDV
> >>>>> Priority: Normal
> >>>>> Status: Open
> >>>>>
> >>>>
> >>> Ticket Details
> >>> ===================
> >>> Ticket ID: GDP-431455
> >>> Department: Support IDV
> >>> Priority: Normal
> >>> Status: Open
> >>>
> >>
> >>
> >
> > Ticket Details
> > ===================
> > Ticket ID: GDP-431455
> > Department: Support IDV
> > Priority: Normal
> > Status: Closed
> >
> 
> 
> 


Ticket Details
===================
Ticket ID: GDP-431455
Department: Support IDV
Priority: Normal
Status: Closed