データエリアを塗りつぶすために、drawDataArea()を作成する。
drawDataArea関数内では、beginShape()とendShape(CLOSE)で挟んで、vertex(x, y)で点をつないで行けばよい。
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beginShape() for row in range(rowCount): if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) vertex(x, y) vertex(plotX2, plotY2) vertex(plotX1, plotY2) endShape(CLOSE) |
figure_12_area_py.pyde
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import FloatTable width = 720 height = 405 dataMin = 0 dataMax = 0 #Corners of the plotted time series plotX1 = 120 plotX2 = width - 80 labelX = 50 plotY1 = 60 plotY2 = height - 70 labelY = height - 25 currentColumn = 0 yearInterval = 10 volumeInterval = 10 volumeIntervalMinor = 5 years =[] value =[] def setup(): global data global dataMin global dataMax global value global years global years_str global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 global labelX global labelY global currentColumn global columnCount global rowCount global yearInterval global volumeInterval global volumeIntervalMinor size(width, height) data = FloatTable.FloatTable("milk-tea-coffee.tsv") columnCount = data.getColumnCount(); years_str = data.getRowNames() for i in range(len(years_str)): years.append(int(years_str[i])) print "years=:" print years yearMin = years[0] yearMax = years[len(years) - 1] dataMax = ceil(data.getTableMax() / volumeInterval) * volumeInterval plotFont = createFont("SansSerif", 20) textFont(plotFont) smooth() def draw(): global currentColumn global plotX1 global plotX2 global plotY1 global plotY2 background(224) #Show the plot area as a white box fill(255) rectMode(CORNERS) noStroke() rect(plotX1, plotY1, plotX2, plotY2) drawTitle() drawAxisLabels() drawYearLabels() drawVolumeLabels() fill('#5679C1') drawDataArea(currentColumn) def drawDataLine(col): global rowCount global data global dataMin global dataMax global value global years global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 beginShape() for row in range(rowCount): if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) vertex(x, y) endShape() def drawDataPoints(col): global rowCount global data global dataMin global dataMax global value global years global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 #dataMin = 0 #dataMax = data.getTableMax() #dataMax = 100 rowCount = data.getRowCount() for row in range(rowCount): #if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) point(x, y) def drawTitle(): global currentColumn global plotX1 global plotY1 fill(0) textSize(20) textAlign(LEFT) title = data.getColumnName(currentColumn) text(title, plotX1, plotY1 - 10) def drawYearLabels(): global rowCount global data global yearInterval global plotX1 global plotX2 global plotY1 global plotY2 global years global yearMin global yearMax fill(0) textSize(10) textAlign(CENTER, TOP) stroke(224) strokeWeight(1) rowCount = data.getRowCount() for row in range(rowCount): if (years[row] % yearInterval == 0): x = map(years[row], yearMin, yearMax, plotX1, plotX2) text(years[row], x, plotY2 + textAscent()+ 10) line(x, plotY1, x, plotY2) def drawVolumeLabels(): global dataMin global dataMax global plotX1 global plotX2 global plotY1 global plotY2 global volumeInterval global volumeIntervalMinor fill(0) textSize(10) textAlign(RIGHT) stroke(128) strokeWeight(1) for v in range(dataMin, dataMax+1, volumeIntervalMinor): if (v % volumeIntervalMinor == 0): y = map(v, dataMin, dataMax, plotY2, plotY1) if (v % volumeInterval == 0): if (v == dataMin): textAlign(RIGHT) elif (v == dataMax): textAlign(RIGHT, TOP) else: textAlign(RIGHT, CENTER) text(floor(v), plotX1 - 10, y) line(plotX1 - 4, y, plotX1, y) else: line(plotX1 - 2, y, plotX1, y) def drawAxisLabels(): global plotX1 global plotX2 global plotY1 global plotY2 global labelX global labelY fill(0) textSize(13) textLeading(15) textAlign(CENTER, CENTER) text("Gallons\nconsumed\nper capita", labelX, (plotY1+plotY2)/2) textAlign(CENTER) text("Year", (plotX1+plotX2)/2, labelY) def drawDataHighlight(col): global rowCount global data global dataMin global dataMax global value global years global years_str global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 for row in range(rowCount): if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) if (dist(mouseX, mouseY, x, y) < 3): strokeWeight(10) point(x, y) fill(0) textSize(10) textAlign(CENTER) text(nf(float(value), 0, 2), x, y-8) text(years[row], x + 35, y-8) textAlign(LEFT) def drawDataCurve(col): global rowCount global dataMin global dataMax global years global years_str global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 beginShape(); for row in range(rowCount): if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) curveVertex(x, y) if ((row == 0) or (row == rowCount-1)): curveVertex(x, y) endShape() def drawDataArea(col): global rowCount global dataMin global dataMax global years global years_str global yearMin global yearMax global plotX1 global plotX2 global plotY1 global plotY2 noStroke() beginShape() for row in range(rowCount): if (data.isValid(row, col)): value = data.getFloat(row, col) x = map(years[row], yearMin, yearMax, plotX1, plotX2) y = map(value, dataMin, dataMax, plotY2, plotY1) vertex(x, y) vertex(plotX2, plotY2) vertex(plotX1, plotY2) endShape(CLOSE) def keyPressed(): global currentColumn global columnCount if (key == '['): currentColumn = currentColumn - 1 if (currentColumn < 0): currentColumn = columnCount - 1 elif (key == ']'): currentColumn = currentColumn + 1 if (currentColumn == columnCount): currentColumn = 0 |