MAPPING WITH ike GPS
TX GIS FORUM
AUSTIN, TX
OCTOBER 4, 2012
Ashok Wadwani
AFDS
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Limitations of GPS
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Data acquisition challenge
#1
“You can’t get there from
here”
► Terrain
separates you
from the
feature you
want to map.
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Data collection challenge
#2
“You can get there ... but
don’t want to”
► Also called the
Doberman
effect.
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Data collection challenge #3
“You can get there ... but the
satellite can’t”
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Data collection challenge # 4
“You can get there, and there,
and there .....”
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Overcoming limitations
► Laser range finder for offsets solves
occupying dangerous and inaccessible
location.
► Improves speed of data collection
► Assists in data acquisition in canopy
environments.
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To address these challenges,
consider using laser mapping
systems
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New trends in GIS Data collection
► Lately GIS mapping professionals have
started taking pictures for features
► That means
► So in addition to a GPS and a LASER you
have to take a camera also. In newer PDA’S
the camera is built in
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New trends in Data collection
► Camera with GPS and compass are now
available also.
► BUT
► No distance readings are available so one
has to carry a laser distance device.
► GPS accuracy on the camera is not mapping
grade, so you have take another GPS
receiver
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New trends in data collection
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New trends in data collection cont’d
► All these solutions have worked well and
professionals are using it but the big
limitation is having to carry several units
which adds to the weight and involves
additional batteries, cables etc.
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Better alternative is
► IKE a integrated GPS, COMPASS, LASER and
CAMERA unit with Windows Mobile OS
► Allowing software like ARCPAD to run
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IKE IS A
All-in-one mobile GIS solution
Integrated camera, laser range finder,
3D compass, rugged PDA, GPS
Fast and Accurate
Locate, Measure, Document
Point, Shoot, Download
ww.ikeGcom
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ikeGPS
www.ikeGS.com
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Sub-meter GPS
3D compass
• Ferrous metals distort
magnetic field
Accurate Rangefinder
• 300m or 1000m range
Best-in-class
camera
• 5.2 megapixel
• 10x digital zoom
SD Card
Access
Power
Button
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What is ikeCapture?
► Uses laser range, compass heading, inclinometer angle
► and ike’s GPS coordinates to calculate the position of
► the remote target
► Captures a jpeg image of the target and embeds all
data
► in the image’s EXIF header
► Stores data in
§ CSV file
§ KML file for use Google Earth
► Can be integrated into other applications
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ikeCapture
► Target Image
► Distance to target
► Bearing
► Skyplot
► PDOP
► GPS Fix Type
► High Accuracy GPS
Option
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ikeCapture Target Position Applet
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www.ikeGPS.com
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Target Position Applet
► Tap Capture
or press
Enter key
► Use virtual
keyboard to
enter label
and
comments
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Span Height Measurement Steps
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Span Height Image
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Span Height Image
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ikeAnnotate Sample
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ArcPad – ikeCapture Extension
► Current Version – 1.0.7
► Installs ArcPad and ikeCapture Extension for
ArcPad
► Use your existing ArcPad key
► Supports ArcPad versions (7.0.1, 7.1.1, 8.0.4,
10.0.2)
► Use the ikeGPS to capture
§ Points, lines and Polygons.
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Why Use ArcPad?
Base Map Custom Data Entry
Forms
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Applications
Utility applications-Line sags, vegetation
mapping, pole audits
Emergency Response-Damage evaluations
Infrastructure audits-Traffic signs, trees, bill
boards, appraisals
Geological mapping in remote areas
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3-Shot Height
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1.
2.
3.
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Span Height
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Span Height – the old way
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Missing Line Distance
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ikeAnnotate Poles
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► A single tool to
collect
§ DBH (Diameter
Breast Height)
§ Tree Height
§ Crown Width
► Generates
annotated
image
► Captures GPS
of tree trunk
7 Step workflow
1. Capture Base elevation
2. Tree trunk
3. Top of tree
4. Left side of crown
5. Right side of crown
6. Mark Trunk edges
7. Centered image
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Tree Assessment