Bangalore, India
TurboSite from IMSI/Design is a tablet-based software app that is
refreshingly new and innovative. It changes the way AEC projects are
managed, making site visits and field verification easy. TurboSite offers
more than just views and notes. The key element about this app is that it is
not just software at work, but a unique solution that is made possible by
merging several hardware and software technologies.
Now, I must admit that when I was first asked to review this new
tablet-based software, I was a little skeptical. Based on my previous
experience, I expected to see yet another app offering red-lining or sticky
notes on electronic drawings. But when I saw TurboSite running in an
introductory Web demo, I realized I was seeing a technology workflow that
was mature.
The creators of TurboSite cleverly exploit the multiple sensors available
in iPads. GPS positioning, accelerometer, gyroscope, 3G/GSM, and the two
cameras are put to use. TurboSite intelligently merges these with
IMSI/Design’s home-grown CAD technology to arrive at a well-integrated
solution for AEC professionals.
Imagine going on a site inspection with your laptop, camera, compass,
level, and other measuring tools – and then integrating all the inputs from
them into one place to generate a meaningful report for the design team or
management. TurboSite does all this with your iPad.
Operating Requirements
TurboSite requires you to store drawings on your iPad, and does not
require you to access data from the cloud. This is a big plus in the
construction business where internet connectivity and cloud-aware personnel
is not a given at all times.
I reviewed the product using a 32GB iPad 3. IMSI/Design says TurboSite
will run on all the iPad models released so far. However, the functionality
is limited by what the hardware can offer. For example, the iPad 1 has just
256MB RAM, and so can open 4MB-6MB DWG files at most, whereas this year’s
iPad 3 and 4 models can open DWG files up to 30MB size. An iPad 1 has no
cameras, so you would not be able to take pictures and videos; other
functions work without any problem.
Input Drawing Formats
Native input formats supported by TurboSite are DWG, DXF, DWF, PDF, and
3D PDF. These formats can be opened in TurboSite directly.
Other supported formats are DGN, 3DM, 3DS, CGM, EPS, IGS, SAT, SKP, STEP,
and others, but these require cloud conversion. (See figure 1.)
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| Figure 1:
Cloud conversion option |
Once converted, however, the data is cached in the iPad and can be used
again without the need for an Internet connection. Thus, this file
conversion is something that can be done in the office.
 |
| Figure
2: A 3D PDF file in TurboSite |
Once your data is loaded and opened, TurboSite offers a number of one-
and two-finger gestures for panning, zooming, and 3D rotation. Certain
CAD-specific gestures work in context-sensitive situations. For example, a
single finger swipe pans 2D drawings but performs orbit rotations in 3D
drawings.
My Test Data
I decided to test TurboSite with my own DWG data (see figure 3), rather
than using the demo files supplied by the software company. I wanted to
relate to the data first-hand, and so I started off with the floor plan of
my house.
 |
| Figure
3: The building plan used to test the software |
There are many flavors of the DWG format. There are those created by
Autodesk applications and those created with Open Design Alliance’s Teigha
libraries. To test these flavors, I used AutoCAD and BricsCAD to save my
floor plan in several DWG formats, ranging from 2000 to 2010. When I loaded
the files into TurboSite, all appeared exactly identical. No loss of data or
accuracy.
The Interface and Tools
The first thing that impressed me about TurboSite is the use of the
voice, touch, swipe, and gestures that are intrinsic to an iPad. While on
the field, the last thing I would want to do is to navigate through dialogs
and settings. Most TurboSite features are accessed via easy gestures, and
there are very few dialog boxes to deal with.
The TurboSite drawing interface supports layers, named views, and
paper-space layouts. (See figure 4.)
 |
| Figure
4: Layer control shows color and visibility status |
Visual styles allow me to view 3D drawings with hidden lines removed, in
a variety of perspective views, and with several styles of shading. (See
figure 5.)
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| Figure
5: Visual styles display the 3D model in different display modes |
Standard 2D tools for red-lining and mark-ups allowed me to add comments
and text notes. They can be saved into mark-up DWG files. Notes I made in
drawing can be viewed in 3D with a leader that points from the eye to the
viewpoint. In other words, I never lost track of my notes or need to zoom in
and search to locate them. This is very a useful at outdoor sites, where
lighting and other operating conditions may not be the best; easy location
of notes is important.
Once I opened my drawing in TurboSite, the first thing I needed to do was
to mark my current location, calibrate my stride distance, and orient myself
correctly. In other words, I had to tell TurboSite where I was positioned in
the drawing and how long a given distance in the drawing measured on the
ground. This is perhaps the trickiest part, and one that can take some time
to get used to before getting it right. The more accurate your distance
calibration, the better you can dynamically plot your position as you move
around.
It is here that multiple sensors from the iPad deliver positioning
information to the software. TurboSite uses the SPS (sensory positioning
system) as well as GPS to read location information. Each has its own merits
and drawbacks, because poor reception and interference to sensors render
position information inaccurate.
GPS works well outdoors using satellite signals to obtain about 10-20
feet accuracy; it does not well indoors, because the signal is usually
blocked. SPS works indoors and outdoors with accuracy within a few feet, but
there can be drift and false movement since it is using the iPad’s built-in
sensors. So, there is trade off in using either one. I would use GPS for
outdoor tracking, and SPS for indoors.
While reviewing TurboSite, iOS 6 was released. IMSI/Design CTO Doug
Cochran told me they are watching hardware and software enhancements and
expect TurboSite to make use of iOS 6’s new Wi-Fi triangulation database to
achieve better drift-free indoor navigation in a future release of
TurboSite.
The locations and orientations of GeoMarks are fine-tuned using GeoNudge,
a feature that can be used with any positioning system -- SPS, GPS, A-GPS,
WiFi-GPS, and so on -- to provide pinpoint accuracy in drawings. GeoNudge
moves the located position to the exact spot I am standing.
For example, a GPS has an accuracy of 10 feet at best. Should it cause
TurboSite to indicate that I am standing in the middle of the floor, but I
know I’m actually standing on the sill of the front door, then I can make
the correction: I just drag TurboSite’s position indicator to the sill of
the front door in the drawing. After this, TurboSite uses the iPad’s other
position sensors to track my movement inside the building accurately.
I now could walk around the building and capture the information I needed
by placing GeoMarks, which are like points of interest on GPS devices used
in cars. A GeoMark has a From-To view indicator to tell me where I am
looking from and to. On each GeoMark, I can tag information, like text
notes, pictures, videos, and/or audio recordings -- all taken with the iPad.
The date and time of each recording is noted. All of this data is tagged to
the GeoMark, which appears as a red circle with an arrowhead on the drawing.
If necessary, I could fine-tune the location and orientation of GeoMarks
using GeoNudge.
As I walked around the design area, a red dot with a searchlight beam
moved with me; the red dot was my position, while the beam pointed in the
direction I was facing. I went around my house and captured notes and
pictures of the entrance, the old clock in my living room, the kitchen view,
the bathroom water heater and the side board near the dining area. (See
figure 6.)
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| Figure
6: View of the side-board |
All of this gets saved to a TAP (TurboApps) file. IMSI/Design designed
the TAP format to be a highly-portable container that holds many kinds of
file types and assembles so that they can be easily distributed, shared,
and/or archived in a single file. Think of a ZIP file that bundles any kind
of file, yet doesn’t need PkZip or 7-Zip to view; instead, others view TAP
files with the free TurboSite Reader app.
While the process of documenting site visits is easy with TurboSite, I
found it even easier for others to view what I had inspected and documented.
TurboSite attempts to make the flow of information easier within
organizations. Manpower costs are one of the highest in any business, and
TurboSite eliminates the need to organize personnel for a briefing of
project reports and visits. I found that browsing through the TAP file in
TurboSite Reader is easy, and everyone can review site inspection reports
with ease.
By collating information from the site and tagging it spatially with a
time-based reference inside a .TAP file, TurboSite has made it a breeze to
know the outcome of any site visit.
Output
A TAP file and a DWG mark-up file is what TurboSite generates. (See
figure 7.) While the TAP file can only be viewed by TurboSite packages, the
mark-up DWG file can be XREF’d into the original DWG. The mark-up DWG is
useful for the design and drafting guys who need to tweak their DWG files,
based on the observations made onsite.
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| Figure
7: Saving the inspection report in TAP or DWG files |
Building on the TurboSite Platform
No software is complete without the ability to customize and extend. A
TurboSite SDK (software development kit) is planned for the future. This
will be an interesting development to watch, to see if it opens up new uses
for the software and localized app extensions.
I come from a GIS background, and so one format that I missed in this
software is the ESRI SHP file. This file is used widely in geographic
information systems, and it attaches information through a database. It
would be nice to see this implemented in a future version of TurboSite. I
could see logistics and delivery guys wanting to use this software with the
SHP data that is native to many of them.
IMSI/Design told me that an Android version of TurboSite is in
development. With new tablets launching on the Windows 8 mobile platform, I
would guess that TurboSite for Windows mobile should not be far behind.
Conclusion
TurboSite is easy to use and offers just the right number of required
tools in a simple interface.
For now, IMSI/Design is targeting TurboSite at the AEC guys, but I think
it can be used by just about anyone going out on a field inspection or some
multi-destination trip: travelling salesmen, supervisors on factory
production floors, doctors doing rounds in hospitals, courier delivery
agents, emergency services personnel, disaster recovery workers, insurance
adjusters -- all of them could think of ways to use TurboSite in their work.
TurboSite is priced at $999, but is currently $499 for a "limited time"
at Apple’s App store. The investment is well spent for companies wanting to
streamline project management and documentation of field visits. While the
price of the software seems high relative to iPad apps, it costs about a day
or two of field personnel salaries, a very easy case for return on
investment.
Disclosure: I was asked to review IMSI/Design's TurboSite software by Tenlinks.com. This review first appeared in www.caddigest.com on November 21, 2012 and I have reproduced it here again for our readers.
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