gis-l: RE: GIS-L Digest, Vol 47, Issue 7

Wed Sep 16 10:52:04 EDT 2009

I am not familar with Juno SB, or working with elevation data in ArcMap, but
it may have something to do with the coordinate system that is set for the
layer, if not all ready taken into account, and if there are optional
vertical coordinate systems available in ArcMap.  Under the properties of the
layer see:

Properties\Source\Set Data Source\Coordinate Systems\Vertical Coordinate
Systems

Rob Martin, P.G.
Professional Geologist
FL Department of Environmental Protection
Water Facilities\Ground Water Section, Room B-213
7825 Baymeadows Way, Suite B200
Jacksonville, Florida 32256-7590
Email: Robert.L.Martin at dep.state.fl.us
(904) 807-3341, Fax (904) 448-4366
Working Hours: 7:00am - 3:30pm M-F
http://www.floridadep.org/northeast/

-----Original Message-----
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Sent: Wednesday, September 16, 2009 10:13 AM
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Subject: GIS-L Digest, Vol 47, Issue 7

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Today's Topics:

   1. RE: Measuring Height w/ ArcPad (Woeber, Nathan (Andy))

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Message: 1
Date: Wed, 16 Sep 2009 10:12:36 -0400
From: "Woeber, Nathan (Andy)" <Nathan.Woeber at dep.state.fl.us>
Subject: RE: gis-l: Measuring Height w/ ArcPad
To: <gis-l at lists.dep.state.fl.us>
Message-ID:
	<556FDAED16388944AFD9E578CC648331022F41A4 at tlhexsmb5.floridadep.net>
Content-Type: text/plain; charset="iso-8859-1"

I was wondering if Adam had LiDar coverage for his area and maybe could use
the point field in Lidar to add additional vertical measurements to his data
to supplement the GPS averaging.

Andy

From: gis-l-bounces at lists.dep.state.fl.us
[mailto:gis-l-bounces at lists.dep.state.fl.us] On Behalf Of Arbogast, Rene
Sent: Wednesday, September 16, 2009 9:36 AM
To: Adams, David; Biernacki, Thomas; gis-l at lists.dep.state.fl.us
Subject: RE: gis-l: Measuring Height w/ ArcPad

Well, I'm sorry I couldn't help with a solution.  Still you might be able to
get what you need, depending on your accuracy requirements and level of
patience.  I was thinking that if it is indeed an error in vertical accuracy
and your other calculations are correct, you might try averaging it out over
a large number of epochs?

Maybe someone in the list serve with some experience with this could let us
know what they have learned.  I'd be interested...

René

René Arbogast
Data Administration Consultant - SES

Water Information Technology Services  (WITS) Application Development Group
(GIS)
Phone: (850) 245-8522
Room 165 BMC / MS3511

From: Adams, David
Sent: Wednesday, September 16, 2009 9:28 AM
To: Biernacki, Thomas; Arbogast, Rene; 'gis-l at lists.dep.state.fl.us'
Subject: RE: gis-l: Measuring Height w/ ArcPad

Rene, Tom and Bryan - I thought that might be the case bit hoped for a work
around.  On a good note the Juno does seem to perform well in the x and y
axis.  Thanx for the response.

David "Dave" R. Adams
Environmental Specialist III - Soil Scientist Mandatory Non-Phosphate Section
Bureau of Mining & Minerals Regulation Division of Water Resource Management

  Collins Building Room 116                Voice:  (850) 488-8217
  2051 East Dirac Drive, MS 715         FAX:  (850) 488-1254  
Tallahassee, Florida 32310-3760  

Cover Florida, developed by Governor Charlie Crist and the Florida
Legislature, gives Floridians access to more affordable health insurance
options. To learn more or to sign up for email updates, visit
www.CoverFloridaHealthCare.com <http://www.coverfloridahealthcare.com/> . 

  _____  

From: Biernacki, Thomas
Sent: Tuesday, September 15, 2009 4:52 PM
To: Arbogast, Rene; Adams, David; gis-l at lists.dep.state.fl.us
Subject: RE: gis-l: Measuring Height w/ ArcPad

I concur.  Only survey grade equipment will get elevation data that is
accurate enough to be useful.   

Tom

Tom Biernacki

Environmental Manager

Florida Department of Environmental Protection

2600 Blair Stone Road

Room 176A, Mail Station 3525

Tallahassee, Florida 32399-2400

Office: 850-245-8515

Sun Com: 205-8515

Fax: 850-245-7601

Cell:850-508-5747

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From: gis-l-bounces at lists.dep.state.fl.us
[mailto:gis-l-bounces at lists.dep.state.fl.us] On Behalf Of Arbogast, Rene
Sent: Tuesday, September 15, 2009 4:07 PM
To: Adams, David; gis-l at lists.dep.state.fl.us
Subject: RE: gis-l: Measuring Height w/ ArcPad

Hey Dave.  The elevation readings on anything less than survey-grade are
going to be (probably) 10 times as inaccurate as the horizontal measurement,
I believe.

René Arbogast
Data Administration Consultant - SES

Water Information Technology Services  (WITS) Application Development Group
(GIS)
Phone: (850) 245-8522
Room 165 BMC / MS3511

From: gis-l-bounces at lists.dep.state.fl.us
[mailto:gis-l-bounces at lists.dep.state.fl.us] On Behalf Of Adams, David
Sent: Tuesday, September 15, 2009 4:04 PM
To: gis-l at lists.dep.state.fl.us
Subject: gis-l: Measuring Height w/ ArcPad

All - I am trying to set up a Juno SB to measure Z as height above MSL.  I've
calculated geiod separation from GEOID03 GEOID HEIGHT COMPUTATION
<http://www.ngs.noaa.gov/cgi-bin/GEOID_STUFF/geoid03_prompt1.prl>  and
changed it to read in feet and still get a Z value that is 25 feet higher
than the USGS Topo map elevation.  Any suggestions on what I'm doing wrong?

David "Dave" R. Adams
Environmental Specialist III - Soil Scientist Mandatory Non-Phosphate Section
Bureau of Mining & Minerals Regulation Division of Water Resource Management

  Collins Building Room 116                Voice:  (850) 488-8217
  2051 East Dirac Drive, MS 715         FAX:  (850) 488-1254  
Tallahassee, Florida 32310-3760  

Cover Florida, developed by Governor Charlie Crist and the Florida
Legislature, gives Floridians access to more affordable health insurance
options. To learn more or to sign up for email updates, visit
www.CoverFloridaHealthCare.com <http://www.coverfloridahealthcare.com/> . 

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