Found my problem and have things working now.
--- In [email protected], "wallace_tobin" <[EMAIL PROTECTED]> wrote:
>
> I'm working on a very similiar problem trying to export a list of
> coordinates for a number of features encountered within dwg files.
> However I need to reproject the coordinates from Nad83 to Lat/Long,
> split the Lat and Long into seperate field attributes, format both
to
> a customized DMS format (Ndd:mm:s.sssss) and (Wddd:mm:s.sssss) and
> finally output the lat and long values with a number of field
values.
>
> I've been able to get most of this accomplished but I am running
into
> problems when I separate out the Lat and Long values for
formatting.
> I've used the listindexer to get the first(long) and second(lat)
> value in each coordinate pair contained in a list. The problem
seems
> to be that I can only run this for one index value at a time. I
> can't map the index value to a field that I want to manipulate
> later. Instead I have to use the listindexer twice, once to get
the
> long values (and formatting them) and then a second time to get the
> lat values (and format those). When I do this I end up with the
> Longitude and Latitude values being duplicated in the output
> csv.carry the list value forward. I can't seem to figure out why?
>
> If I do the same thing with the listindexer but do so in parallel
the
> lat and long values aren't duplicated but they come out on
different
> lines.
>
> Anyone have any ideas on how to make this work? Spot any obvious
> logical errors?
>
> --- In [email protected], "mark2atsafe" <mark.ireland@> wrote:
> >
> > Wow - I'd never heard of the CoordinateConcatenator; you learn
> > something every day! For my part the things I would try are...
> >
> > --- In [email protected], "Thom DeCarlo" <t.r.decarlo@> wrote:
> > >
> > > Ok, now that I've got my topology generated, I need to write it
> out
> > > in ASCII text format. I can create a CSV output, but that only
> > > outputs the attributes, not the geometry. I know I can use the
> > > CoordinateFetcher to grab the coordinates of a specific vertex,
> but
> > > how can I grab the coords of an unknown number of vertices? And
> > > then, how do I get them to the output file?
> >
> > If you are happy with a single line of coords then use the
> > CoordinateConcatenator and just write to CSV. If you want a
separate
> > line per coordinate in the CSV then follow it up with an
> > AttributeSplitter and then a ListExploder.
> >
> > I've never tried the OGCGeometryExtractor, so can't really
comment.
> >
> > > A related question: I also need to output the list of line id's
> > > related to each node. But, I can't see any way to connect the
> > > variable sized list of line id's (_relationships{}.line_id) to
> the
> > > output CSV dataset. Is there an easy (or even not-so-easy) way
to
> > > specify the output of a variable sized list?
> >
> > Again I would suggest the ListExploder to create a separate
feature
> > for each list entry. For the CSV this is almost exactly what you
> need.
> >
> > If you're having to create separate streams of data to create the
> > coords and the line ids then you'll probably have to follow up
with
> a
> > Sorter to get everything into the correct order before writing to
> CSV.
> >
> > > Thanks!
> > > Thom
> >
> > Mark
> >
>
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