Demonstration presentation to test sound

1. Building Measurement
Systems with Scala-View
The move to iterative instrument development
Scalable
Architectures
Saturday, February 21, 2009

2. Typical Instrument Development
Process
Functional
Prototype
Add GUI
Product
Saturday, February 21, 2009

3. Engineer -
Prototype
is focussed on getting the
stage
hardware working
not focussed at this stage on
documentation or GUI
Saturday, February 21, 2009

4. GUI programmer -
doesn’t change the logic but tries
GUI
to build a GUI that is easy to use
stage
documentation will have to wait
until the GUI is finished...
Saturday, February 21, 2009

5. CEO -
concerned about longer term issues:
Product
“ We have to deliver documentation”
“We need the system to be easily maintained”
“We need flexibility for future development”
Saturday, February 21, 2009

6. The move to iterative development
In the broader software industry development methods
have been becoming more and more iterative
Sequential Iterative
“Waterfall” “Agile”
Specification
Developer Customer
Developer
Project
Continuous development of
relationship and specifications
Saturday, February 21, 2009

7. Pure Labview is fine for
sequential development
Development Customer
Team
... but needs some type of
framework to remain well
structured in iterative developments
Saturday, February 21, 2009

8. Benefits of an iterative approach in the
development of measurement
instruments:
“We can quickly satisfy customers who
want new features ?”
“We can get a continuous feed of new
features for marketing.”
“We can offer software upgrades as part of a maintenance
contract.”
“We can avoid being dependent on particular instrument
manufacturers.”
Saturday, February 21, 2009