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   Php data file plotting

Bidding Time:
26/03/2006 23:47 - 02/04/2006 00:00
Budget:
$100-300
Status:
Closed


Job Type:
PHP, Javascript
Description:



Netfirms Web Hosting for Small Business

I have an application located at IgetActive.com.
I need 3 features/modifications to be programmed.
Please first find a brief description of this application, then the 3
modifications to be done, then 5 additional requirements for the code (should be
obvious to a good programmer, but you never know), and finally where to find
additional information about the data files format.
DESCRIPTION:
One of the many features of this application is to load and plot data files
containing various data: Heart rate pulses, speed, cadence (optional, may be or
may not be present), altitude (optional, may be or may not be present), power
(optional, may be or may not be present), etc… These files are recorded by a
watch that act as a heart rate monitor while the athlete is training. For more
information about these devices and functionalities please visit:
http://www.polarusa.com/
www.suuntousa.com
As the application is written now it only uploads and parse Polar Heart Rate
Monitor Heart Rate Monitor files and one file at a time only can be uploaded and
plotted. The application also saves the uploaded file in a special folder and
adds it to a file library. Here is what I need from you:
Develop code based on classes and methods so that it's easy to reuse and modify.
Program the following 3 functionalities:
CODE NEEDED:
1. Be able to plot Suunto Heart Rate Monitor data and Polar Heart Rate Monitor
Heart Rate Monitor files and it must not look different to the user.
2. Be able to crop the first part of the data file or it's last part from the
plot, so a crop option must be available to the user who will decide which part
from the graph he/she wants to remove.
3. Sometimes one exercise session will be composed of several data files. We
must then be able to upload more than one file, concatenate the data and plot on
the graph the equivalent data of the several files added one after the other. So
the user must be provided with a feature letting him/her upload several files
(cropping abilities 2 must still be present to the resulting graph). A files
with proper format relevant to Polar Heart Rate Monitor Heart Rate Monitor or
Suunto Heart Rate Monitor must then be saved in the directory with a single
descriptive name not to overwrite other files from other workouts. I expect this
file to have the proper header, followed by the concatenated data from the
various files uploaded in the order they were uploaded, and the proper end of
file. The various other files must not be saved on my server (too much space
consuming).
ADDITIONAL GOOD PROGRAMMING RULES TO BE OBSERVED:
The following are requirements for the handling of the data.
1. The files must be processed without filling up my database, and the data
can't be saved in the database. My database would become too big too fast. So
the data must be concatenated via a vector or list in the code, and the file
saved on my server.
2. It is very important that everything be very easy to use by the user. My
subscribers are for the most part non-technical people.
3. Need to be able to switch between us/metric units.
4. Need to be able to change scale of each data while superposing them and still
know approximate numbers.
5. More data files from different vendors (so different formats) will be
supported in the future, so proper code must be provided and it must be easy to
add new formats. I will ask to review the proposed code structure before
approval.
ADDITIONAL INFORMATION:
Please read carefully this description. When you bid place the amount of your
bid and make sure you'll respect it, as well for the time frame. I consider one
week being 5 working days, so I will divide the number of days by 5 to estimate
the number of weeks.
Zip file contains suunto data file format as well as suunto and polar sample
data files.
The format of these files for the Polar Devices can be found at
http://developer.Polar Heart Rate Monitor Heart Rate
Monitor.fi/developer.nsf/main
http://developer.Polar Heart Rate Monitor Heart Rate
Monitor.fi/developer.nsf/274B9D08AF06359BC2256DF60045B8CB/$FILE/Polar Heart Rate
Monitor Heart Rate Monitor%20HRM2%20file%20format.pdf
Attached also is a picture of what our graph looks like now in the attached
files.

Additional information submitted:

03/26/2006 at 23:48 EST:
Zip File added

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Operating System:
Linux
Database System:
MySQL
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