MLB Baseball Field showing Gameday PitchF/X Dimensions

MLB Baseball Field showing Gameday PitchF/X Dimensions

mrflip
MLB Gameday (PitchF/X) data diagram by Philip (Flip) Kromer - http://vizsage.com MLB Gameday provides data files describing every pitch of most games, starting in the 2007 season. This drawing illustrates the data fields. I've drawn heavily from Alan M. Nathan's description of the gameday fields at (http://tinyurl.com/2bxwow), Mike Fast's useful articles at (http://tinyurl.com/29nhzx), and John Walsh's strike zone exploration at (http://tinyurl.com/25lgaf). x0,y0,z0: Init pos (ft) measured @ 50ft from home point vx0,vy0,vz0,Init vel (ft/s) at starting position ax,ay,az: Accelerations (ft/s^2). start_speed:Speed (mph) at initial position. p_x, p_z: Where path crosses strike zone (front of home, y=1.417 ft). end_speed:Speed (mph) at strike zone. sz_top: Upper limit of strike zone (ft) sz_bottom:Lower limit of strike zone (ft) break_angle (deg, 0=down), break_length (in), break_y (ft): Most deviation from a straight-line path. pfx_x,pfx_z:Final deviation (in inches) of the pitch trajectory from a dragless trajectory starting at y=40 ft, ending at the strikezone plane (y=1.417 ft). #baseball #diamond #field #gameday #mlb #pfx_x #pitchfx #sabermetrics #statistics #strike_zone #XML
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