Posted by: merlyn9 | 7 July, 2008

Analyzing the Number of Images…

So I’ve know roughly in the past roughly how many images I was shooting per car, per pass during these Autocross Events I’ve been shooting.  But in the middle of working a group of images from the latest event, I started to look at things a little more closely. (as a caveat, I have Only gathered these statistics for Group 2’s AM runs.  I will be going back and gathering numbers for Group 1’s AM runs, as well as populating the PM runs as I work through all those images.)                  

So let’s see some of the raw numbers then:
  *** Table has been Updated ***

Group #2  
Car # Run #1 Run #2 Run #3 Run #4 Run #5 Run #6 Run #7 Run #8 Run #9 Run #10 Images  
44z 32 27 24 26 11 28 3 10 161 20.13
100 55 45 39 44 38 23 53 48 44 38 427 42.7
93 20 24 31 18 25 14 21 25 11 189 21.0
21 25 26 29 28   12 30 24 15 189 23.63
3 33 32 28 32   17 24 22 15 203 25.38
01 38 30 28 27   16 18 8 8 173 21.63
26 37 28 28 30   18 20 21 15 197 24.63
22 33 15 28 76 25.33
99 20 31 25 26   15 22 28 13 180 22.5
32 36 29 25 22   16 20 23 18 189 23.63
6 39 33 22 24   17 23 18 176 25.14
79×2 28 26 24 15   13 20 20 19 159 19.88
472 27 28 24 29   15 20 20 19 182 22.75
4 31 28 21 27   17 19 18 19 180 22.5
125 35 27 20 22   11 22 22 14 173 21.63
211 27 28 25   12 18 110 22
33 38 24 28 31   15 29 21 12 198 24.75
48 33 25 26 19   12 15 16 146 20.86
212 28 30 30 33   23 29 16 19 205 25.63
69 27 33 28 28   10 16 142 23.67
63 29 37 25 30   14 26 25 24 210 26.25
 
21 31.95 28.86 26.57 26.89 31.5 15.05 23.65 20.61 17.06 38 3865 24.08

 

Well these numbers represent total images shoot before I weeded things out for posting up to the Autocross Photo Gallery. I guess once I’m done posting all of them, I could go back and add in a column with numbers for actual images Posted per car, per run, etc. That might add some more interesting perspective… maybe?
We can knock this one out of the way. There seems to be a favorite here that was getting more image attention than others.  Car number 100 above might just park his car in my garage at night, so naturally there is some fatherly pride that occurs when that car appears in my viewfinder.  
Oh Yea, if it says “Porsche” anywhere on the car… well it goes without saying I’ll probably be shooting it heavily as well! 

Prior to Tire Rack, I believe my Sherpa and I had estimated that I was averaging  about 15-20 shots per car, per run.  But as we will see from this example, as well as the last, full-days event I shot; This also depends upon on where I set-up to shoot.  In this case, I set-up in the morning with a vantage point offering me shots of the drivers from 4-differing points on the track.  This alone will increase the number of shots taken per car, per run.  

As shown in the last row of this table, it appears as though I was averaging about 28 shots per car, per pass from this morning location.  Thank the Powers that be at Canon for those High frame-rate camera bodies!

I will fill out this table for the afternoon runs, where I shot from the other side of the track.  I will also populate a similar table for Group 1’s morning and afternoon runs.  
As I have shared with my Sherpa… More data is always good, it gives you even more ways to find to interpret and manipulate it!

Affecting These Numbers

So from Time to Time there are natural and un-natural events which may have an affect in the number of shots I may get of cars throughout the day.

  • Driver Error:  OK, despite the hype, you guys know this happens, for several reasons: missing gate(s), Major Cone strike(s), off-course, a driver may not complete the course, and may not even pass my vantage point in this process during a run.
  • Run Timing: At times, either the individual running the starting gate, or the computer start the cars closer than I had just been shooting or expecting them.  So I may be finishing a few sots of the current car on the track, when the next has started already and is already ahead of where I would have expected them for a shot…   It happens but not too often, then I just accordingly for the next few cars.
  • Memory Cards:  Yep, they do fill up, and I have to change them out.  While I do try to keep an eye out and try to change them between runs, this doesn’t always happen, and I may end up having to swap them out in the middle of a run.
  • Batteries:  While this does happen at a much farther rate, it may happen.  I do come with all batteries fully charged, and I can generally get through 3/4 of the day or more without needing to change them.  If I am shooting a lot… I’ll need to swap them out and sometimes timing doesn’t always cooperate.
  • Mechanical Issues: Let’s face it, if it has moving parts, it can break, and not when it’s most convenience for the user.
  • Mother Nature:  This one’s the Biggie!  Most rain I can deal with.  The wind on the other hand has frustrated us all this year, and last.  From out tens blowing down during the events. (just imaging being under the tent… eye glued to the camera watching the action, and having that tent begin to collapse and begin blowing away over you head!)     

 

Numbers, Numbers, Numbers… Add them up any way you want.
 

Image Storage, backup, and ISP/web space storage are a whole different story left for another discussion.


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