[UW-GIS-L] 3D Analyst profile graph problem

[cwayne at u.washington.edu]

Cool, thanks Phil!


Chris Wayne
GIS Instructor
University of Washington 
Educational Outreach
cwayne at u.washington.edu

On Wed, 20 Sep 2006, Phil Hurvitz wrote:

> 3D profile tables were very easy in ArcView 3, some clever person probably 
> wrote a similar method for ArcMap, but here's the old version:
>
> http://gis.washington.edu/esrm250/cfr250/lessons/3d/exercise/view.surfacecrosssectionastable.ave
>
> -P.
>
> **************************************************************
>  Phil Hurvitz, MFR | PhD Student, Urban Planning | Gould 317
>    College of Architecture and Urban Planning | Box 355726
> University of Washington, Seattle, Washington  98195-5726, USA
> phurvitz at u.washington.edu | http://gis.washington.edu/phurvitz
> "What is essential is invisible to the eye." -de Saint-Exupéry
> **************************************************************
>
> On Wed, 20 Sep 2006, cwayne at u.washington.edu wrote:
>
>> Thanks Luke, and sorry for the delayed SUM.  The problem was a sick .shp 
>> that looked fine until I tried to use it for 3D purposes. Thanks goes to 
>> Joel Cusick of the NPS, who provided the solution while addressing a 
>> completely different question on the GPS list. See below.
>> 
>> The key was cleaning up the GPS data using the repair geometry tool.  The 
>> shapefile that came out of pathfinder office had to be repaired; once I did 
>> that, I converted it to 3D (3D Analyst/Convert/Features to 3D) using my 
>> bathymetry data for the Z values, and it worked as it wsa supposed to.
>> 
>> Now anyone know how to get the values of the profile graph so I can bring 
>> them into excel and make a presentation-quality graph?
>> 
>> 
>> Chris Wayne
>> GIS Instructor
>> University of Washington Educational Outreach
>> cwayne at u.washington.edu
>> 
>> On Fri, 8 Sep 2006, Luke Rogers wrote:
>> 
>>> Well I just tried that to make sure it worked... it doesn't. But I was
>>> close! Use the 3D Analyst tool "3D Analyst > Convert > Features to 3D"
>>> instead of the interpolate line tool. That should do it.
>>> 
>>> -Luke
>>> 
>>> -----Original Message-----
>>> From: uw-gis-l-bounces at mailman1.u.washington.edu
>>> [mailto:uw-gis-l-bounces at mailman1.u.washington.edu] On Behalf Of Luke 
>>> Rogers
>>> Sent: Friday, September 08, 2006 4:56 PM
>>> To: 'UW - GIS Discussion & Support'
>>> Subject: RE: [UW-GIS-L] 3D Analyst profile graph problem
>>> 
>>> Chris,
>>> 
>>> You need to interpolate the line first. The profile tool only works with 
>>> 3d
>>> features. Since your polyline Z is already 3d the profile tool with use
>>> those elevations. Try interpolating first by selecting the line and using
>>> the 3D Analyst tool "interpolate line" on the same toolbar. This will 
>>> update
>>> the Z values and give you what you want.
>>> 
>>> -Luke
>>> 
>>> -----Original Message-----
>>> From: uw-gis-l-bounces at mailman1.u.washington.edu
>>> [mailto:uw-gis-l-bounces at mailman1.u.washington.edu] On Behalf Of
>>> cwayne at u.washington.edu
>>> Sent: Friday, September 08, 2006 4:34 PM
>>> To: uw-gis-l at u.washington.edu
>>> Subject: [UW-GIS-L] 3D Analyst profile graph problem
>>> 
>>> I feel like I am missing something basic here, but I have been away from 
>>> 3D
>>> Analyst for a while so apologies in advance:
>>> 
>>> I have a polyline Z shapefile with 15 features respresenting a boat in
>>> motion (derived from a Trimble GPS track), overlaid on some bathymetry 
>>> data
>>> of the lake bottom (ESRI GRID).  I want to show the lake depth beneath the
>>> boat track, so I use the profile tool, right, with the bathymetry selected
>>> on the 3d analyst toolbar?  The profile graph that is created shows the Z
>>> values of the polyline (i.e.: the lake surface, great for assessing 
>>> vertical
>>> precision but...), NOT the values of the bathymetry surface below.
>>> 
>>> Now, if I draw graphics from scratch using the interpolate line tool, it
>>> works and I get a bathymetric profile.  But if I convert the polylinez
>>> features to graphics, and run the profile, I again get the lake surface
>>> (z-values).
>>> 
>>> Like I said it seems simple...
>>> 
>>> Thanks!
>>> 
>>> Chris Wayne
>>> GIS Instructor
>>> University of Washington
>>> Educational Outreach
>>> cwayne at u.washington.edu
>>> 
>>> 
>>> 
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>> 
>> 
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