add buster posey mvp scripts

Author: andrewflowers

buster-posey-mvp/README.md

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+### Buster Posey MVP
+
+The code behind the story [Buster Posey’s Pitch Framing Makes Him A Potential MVP](http://fivethirtyeight.com/features/buster-poseys-pitch-framing-makes-him-a-potential-mvp/).
+
+File | Description
+---|---------
+`baseball_imgcap_for_release.py` | Captures and crops images from a computer screen every .05 seconds.
+`catcher_framing_capture.R` | Reads the images into R and calculates the number of pixels changed between successive images.
+
+Source: [Bloomberg Video](https://www.bsports.com/pro#.Vbo2RvlVhBc)

buster-posey-mvp/baseball_imgcap_for_release.py

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+from PIL import ImageFile
+from PIL import ImageGrab
+from PIL import *
+import time
+import sys
+import glob
+import math
+import os
+import gc
+from multiprocessing import Process
+import win32ui
+import win32gui
+import win32con
+
+def piccap(i, w=300, h=300):
+    hwnd = win32gui.GetDesktopWindow()
+    wDC = win32gui.GetWindowDC(hwnd)
+    dcObj = win32ui.CreateDCFromHandle(wDC)
+    cDC = dcObj.CreateCompatibleDC()
+    dataBitMap = win32ui.CreateBitmap()
+    dataBitMap.CreateCompatibleBitmap(dcObj, w, h)
+    cDC.SelectObject(dataBitMap)
+    cDC.BitBlt((0, 0), (w, h), dcObj, (800, 300), win32con.SRCCOPY)
+    dataBitMap.SaveBitmapFile(cDC, "./" + str(i) + "img.png")
+    win32gui.DeleteObject(dataBitMap.GetHandle())
+    dcObj.DeleteDC()
+    cDC.DeleteDC()
+    win32gui.ReleaseDC(hwnd, wDC)
+    gc.collect()
+
+def piccapCom2(cut):
+    i = 0
+    for i in range(0, cut):
+        ti = time.clock()
+        piccap(i)
+        while time.clock() < (ti + .05):
+                pass
+
+'''first, capture all the screens'''
+'''movies needs to play simultaneously'''
+piccapCom2(int(sys.argv[1]))

buster-posey-mvp/catcher_framing_capture.R

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+##library I use for reading in images.
+library(bmp)
+
+##attempting to capture the moment immediately after catching
+##made a list of each moment for susac and for posey
+posey <- c(30, 167, 332, 457, 822, 1016, 1199,
+1437, 1621, 1770, 1924, 2101, 2251, 2442, 2594,
+2757, 2918, 3072, 3205, 3356, 3526, 3685,
+4068, 4217)
+susac <- c(751, 1286, 1485, 1666, 2030,
+2187)
+
+##for Posey
+##read in files
+v <- list.files("buster_posey_catching/")
+v <- v[order(as.numeric(unlist(lapply(strsplit(v, split="i"), "[[", 1))))]
+setwd("buster_posey_catching/")
+full <- list()
+for(i in 1:length(v))
+{
+full[[i]] <- read.bmp(v[i])
+}
+setwd("../")
+
+##compare motion patterns across frames
+posz <- vector()
+for(i in 2:length(full))
+{
+posz[i] <- sum(abs(full[[i]][1:250,1:250,2:4]-full[[i-1]][1:250,1:250,2:4])>1)
+print(i)
+}
+
+posm <- list()
+for(i in 1:length(posey))
+{
+posm[[i]] <- posz[posey[i]:(posey[i]+100)]
+}
+
+##same for Susac!
+v <- list.files("andrew_susac_catching/")
+v <- v[order(as.numeric(unlist(lapply(strsplit(v, split="i"), "[[", 1))))]
+setwd("andrew_susac_catching/")
+full <- list()
+for(i in 1:length(v))
+{
+full[[i]] <- read.bmp(v[i])
+}
+setwd("../")
+
+susz <- vector()
+for(i in 2:length(full))
+{
+susz[i] <- sum(abs(full[[i]][1:250,1:250,2:4]-full[[i-1]][1:250,1:250,2:4])>1)
+print(i)
+}
+
+susm <- list()
+for(i in 1:length(susac))
+{
+susm[[i]] <- susz[susac[i]:(susac[i]+100)]
+}
+
+##now averaging motion patterns
+##across the receptions
+posv <- vector()
+susv <- vector()
+
+for(i in 1:100)
+{
+posv[i] <- mean(unlist(lapply(posm, "[[", i)))
+}
+
+for(i in 1:100)
+{
+susv[i] <- mean(unlist(lapply(susm, "[[", i)))
+}
+
+plot(posv[1:20], type="l", col="red", lwd=3, 
+ylim=c(80000, 120000), xlab="Time", xaxt="no",
+ylab="Total Pixel Movement")
+lines(susv[1:20], type="l", col="blue", lwd=3)
+axis(side=1, at=c(0,5,10,15,20),
+labels=as.character(c(0,5,10,15,20)*.05))
+