/usr/lib/python3/dist-packages/reportlab/graphics/charts/linecharts.py is in python3-reportlab 3.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 | #Copyright ReportLab Europe Ltd. 2000-2016
#see license.txt for license details
#history http://www.reportlab.co.uk/cgi-bin/viewcvs.cgi/public/reportlab/trunk/reportlab/graphics/charts/linecharts.py
__version__='3.3.0'
__doc__="""This modules defines a very preliminary Line Chart example."""
from reportlab.lib import colors
from reportlab.lib.validators import isNumber, isNumberOrNone, isColor, isColorOrNone, isListOfStrings, \
isListOfStringsOrNone, SequenceOf, isBoolean, NoneOr, \
isListOfNumbersOrNone, isStringOrNone, OneOf, Percentage
from reportlab.lib.attrmap import *
from reportlab.graphics.widgetbase import Widget, TypedPropertyCollection, PropHolder
from reportlab.graphics.shapes import Line, Rect, Group, Drawing, Polygon, PolyLine
from reportlab.graphics.widgets.signsandsymbols import NoEntry
from reportlab.graphics.charts.axes import XCategoryAxis, YValueAxis
from reportlab.graphics.charts.textlabels import Label
from reportlab.graphics.widgets.markers import uSymbol2Symbol, isSymbol, makeMarker
from reportlab.graphics.charts.areas import PlotArea
from reportlab.graphics.charts.legends import _objStr
class LineChartProperties(PropHolder):
_attrMap = AttrMap(
strokeWidth = AttrMapValue(isNumber, desc='Width of a line.'),
strokeColor = AttrMapValue(isColorOrNone, desc='Color of a line or border.'),
fillColor = AttrMapValue(isColorOrNone, desc='fill color of a bar.'),
strokeDashArray = AttrMapValue(isListOfNumbersOrNone, desc='Dash array of a line.'),
symbol = AttrMapValue(NoneOr(isSymbol), desc='Widget placed at data points.',advancedUsage=1),
shader = AttrMapValue(None, desc='Shader Class.',advancedUsage=1),
filler = AttrMapValue(None, desc='Filler Class.',advancedUsage=1),
name = AttrMapValue(isStringOrNone, desc='Name of the line.'),
lineStyle = AttrMapValue(NoneOr(OneOf('line','joinedLine','bar')), desc="What kind of plot this line is",advancedUsage=1),
barWidth = AttrMapValue(isNumberOrNone,desc="Percentage of available width to be used for a bar",advancedUsage=1),
)
class AbstractLineChart(PlotArea):
def makeSwatchSample(self,rowNo, x, y, width, height):
baseStyle = self.lines
styleIdx = rowNo % len(baseStyle)
style = baseStyle[styleIdx]
color = style.strokeColor
yh2 = y+height/2.
lineStyle = getattr(style,'lineStyle',None)
if lineStyle=='bar':
dash = getattr(style, 'strokeDashArray', getattr(baseStyle,'strokeDashArray',None))
strokeWidth= getattr(style, 'strokeWidth', getattr(style, 'strokeWidth',None))
L = Rect(x,y,width,height,strokeWidth=strokeWidth,strokeColor=color,strokeLineCap=0,strokeDashArray=dash,fillColor=getattr(style,'fillColor',color))
elif self.joinedLines or lineStyle=='joinedLine':
dash = getattr(style, 'strokeDashArray', getattr(baseStyle,'strokeDashArray',None))
strokeWidth= getattr(style, 'strokeWidth', getattr(style, 'strokeWidth',None))
L = Line(x,yh2,x+width,yh2,strokeColor=color,strokeLineCap=0)
if strokeWidth: L.strokeWidth = strokeWidth
if dash: L.strokeDashArray = dash
else:
L = None
if hasattr(style, 'symbol'):
S = style.symbol
elif hasattr(baseStyle, 'symbol'):
S = baseStyle.symbol
else:
S = None
if S: S = uSymbol2Symbol(S,x+width/2.,yh2,color)
if S and L:
g = Group()
g.add(L)
g.add(S)
return g
return S or L
def getSeriesName(self,i,default=None):
'''return series name i or default'''
return _objStr(getattr(self.lines[i],'name',default))
class LineChart(AbstractLineChart):
pass
# This is conceptually similar to the VerticalBarChart.
# Still it is better named HorizontalLineChart... :-/
class HorizontalLineChart(LineChart):
"""Line chart with multiple lines.
A line chart is assumed to have one category and one value axis.
Despite its generic name this particular line chart class has
a vertical value axis and a horizontal category one. It may
evolve into individual horizontal and vertical variants (like
with the existing bar charts).
Available attributes are:
x: x-position of lower-left chart origin
y: y-position of lower-left chart origin
width: chart width
height: chart height
useAbsolute: disables auto-scaling of chart elements (?)
lineLabelNudge: distance of data labels to data points
lineLabels: labels associated with data values
lineLabelFormat: format string or callback function
groupSpacing: space between categories
joinedLines: enables drawing of lines
strokeColor: color of chart lines (?)
fillColor: color for chart background (?)
lines: style list, used cyclically for data series
valueAxis: value axis object
categoryAxis: category axis object
categoryNames: category names
data: chart data, a list of data series of equal length
"""
_attrMap = AttrMap(BASE=LineChart,
useAbsolute = AttrMapValue(isNumber, desc='Flag to use absolute spacing values.',advancedUsage=1),
lineLabelNudge = AttrMapValue(isNumber, desc='Distance between a data point and its label.',advancedUsage=1),
lineLabels = AttrMapValue(None, desc='Handle to the list of data point labels.'),
lineLabelFormat = AttrMapValue(None, desc='Formatting string or function used for data point labels.'),
lineLabelArray = AttrMapValue(None, desc='explicit array of line label values, must match size of data if present.'),
groupSpacing = AttrMapValue(isNumber, desc='? - Likely to disappear.'),
joinedLines = AttrMapValue(isNumber, desc='Display data points joined with lines if true.'),
lines = AttrMapValue(None, desc='Handle of the lines.'),
valueAxis = AttrMapValue(None, desc='Handle of the value axis.'),
categoryAxis = AttrMapValue(None, desc='Handle of the category axis.'),
categoryNames = AttrMapValue(isListOfStringsOrNone, desc='List of category names.'),
data = AttrMapValue(None, desc='Data to be plotted, list of (lists of) numbers.'),
inFill = AttrMapValue(isBoolean, desc='Whether infilling should be done.',advancedUsage=1),
reversePlotOrder = AttrMapValue(isBoolean, desc='If true reverse plot order.',advancedUsage=1),
annotations = AttrMapValue(None, desc='list of callables, will be called with self, xscale, yscale.',advancedUsage=1),
)
def __init__(self):
LineChart.__init__(self)
# Allow for a bounding rectangle.
self.strokeColor = None
self.fillColor = None
# Named so we have less recoding for the horizontal one :-)
self.categoryAxis = XCategoryAxis()
self.valueAxis = YValueAxis()
# This defines two series of 3 points. Just an example.
self.data = [(100,110,120,130),
(70, 80, 80, 90)]
self.categoryNames = ('North','South','East','West')
self.lines = TypedPropertyCollection(LineChartProperties)
self.lines.strokeWidth = 1
self.lines[0].strokeColor = colors.red
self.lines[1].strokeColor = colors.green
self.lines[2].strokeColor = colors.blue
# control spacing. if useAbsolute = 1 then
# the next parameters are in points; otherwise
# they are 'proportions' and are normalized to
# fit the available space.
self.useAbsolute = 0 #- not done yet
self.groupSpacing = 1 #5
self.lineLabels = TypedPropertyCollection(Label)
self.lineLabelFormat = None
self.lineLabelArray = None
# This says whether the origin is above or below
# the data point. +10 means put the origin ten points
# above the data point if value > 0, or ten
# points below if data value < 0. This is different
# to label dx/dy which are not dependent on the
# sign of the data.
self.lineLabelNudge = 10
# If you have multiple series, by default they butt
# together.
# New line chart attributes.
self.joinedLines = 1 # Connect items with straight lines.
self.inFill = 0
self.reversePlotOrder = 0
def demo(self):
"""Shows basic use of a line chart."""
drawing = Drawing(200, 100)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(14, 10, 21, 28, 38, 46, 25, 5)
]
lc = HorizontalLineChart()
lc.x = 20
lc.y = 10
lc.height = 85
lc.width = 170
lc.data = data
lc.lines.symbol = makeMarker('Circle')
drawing.add(lc)
return drawing
def calcPositions(self):
"""Works out where they go.
Sets an attribute _positions which is a list of
lists of (x, y) matching the data.
"""
self._seriesCount = len(self.data)
self._rowLength = max(list(map(len,self.data)))
if self.useAbsolute:
# Dimensions are absolute.
normFactor = 1.0
else:
# Dimensions are normalized to fit.
normWidth = self.groupSpacing
availWidth = self.categoryAxis.scale(0)[1]
normFactor = availWidth / normWidth
self._normFactor = normFactor
self._yzero = yzero = self.valueAxis.scale(0)
self._hngs = hngs = 0.5 * self.groupSpacing * normFactor
self._positions = []
for rowNo in range(len(self.data)):
lineRow = []
for colNo in range(len(self.data[rowNo])):
datum = self.data[rowNo][colNo]
if datum is not None:
(groupX, groupWidth) = self.categoryAxis.scale(colNo)
x = groupX + hngs
y = yzero
height = self.valueAxis.scale(datum) - y
lineRow.append((x, y+height))
self._positions.append(lineRow)
def _innerDrawLabel(self, rowNo, colNo, x, y):
"Draw a label for a given item in the list."
labelFmt = self.lineLabelFormat
labelValue = self.data[rowNo][colNo]
if labelFmt is None:
labelText = None
elif type(labelFmt) is str:
if labelFmt == 'values':
try:
labelText = self.lineLabelArray[rowNo][colNo]
except:
labelText = None
else:
labelText = labelFmt % labelValue
elif hasattr(labelFmt,'__call__'):
labelText = labelFmt(labelValue)
else:
raise ValueError("Unknown formatter type %s, expected string or function"%labelFmt)
if labelText:
label = self.lineLabels[(rowNo, colNo)]
if not label.visible: return
# Make sure labels are some distance off the data point.
if y > 0:
label.setOrigin(x, y + self.lineLabelNudge)
else:
label.setOrigin(x, y - self.lineLabelNudge)
label.setText(labelText)
else:
label = None
return label
def drawLabel(self, G, rowNo, colNo, x, y):
'''Draw a label for a given item in the list.
G must have an add method'''
G.add(self._innerDrawLabel(rowNo,colNo,x,y))
def makeLines(self):
g = Group()
labelFmt = self.lineLabelFormat
P = list(range(len(self._positions)))
if self.reversePlotOrder: P.reverse()
inFill = self.inFill
if inFill:
inFillY = self.categoryAxis._y
inFillX0 = self.valueAxis._x
inFillX1 = inFillX0 + self.categoryAxis._length
inFillG = getattr(self,'_inFillG',g)
yzero = self._yzero
# Iterate over data rows.
for rowNo in P:
row = self._positions[rowNo]
styleCount = len(self.lines)
styleIdx = rowNo % styleCount
rowStyle = self.lines[styleIdx]
rowColor = rowStyle.strokeColor
dash = getattr(rowStyle, 'strokeDashArray', None)
lineStyle = getattr(rowStyle,'lineStyle',None)
if hasattr(rowStyle, 'strokeWidth'):
strokeWidth = rowStyle.strokeWidth
elif hasattr(self.lines, 'strokeWidth'):
strokeWidth = self.lines.strokeWidth
else:
strokeWidth = None
# Iterate over data columns.
if lineStyle=='bar':
barWidth = getattr(rowStyle,'barWidth',Percentage(50))
fillColor = getattr(rowStyle,'fillColor',rowColor)
if isinstance(barWidth,Percentage):
hbw = self._hngs*barWidth*0.01
else:
hbw = barWidth*0.5
for colNo in range(len(row)):
x,y = row[colNo]
g.add(Rect(x-hbw,min(y,yzero),2*hbw,abs(y-yzero),strokeWidth=strokeWidth,strokeColor=rowColor,fillColor=fillColor))
elif self.joinedLines or lineStyle=='joinedLine':
points = []
for colNo in range(len(row)):
points += row[colNo]
if inFill:
points = points + [inFillX1,inFillY,inFillX0,inFillY]
inFillG.add(Polygon(points,fillColor=rowColor,strokeColor=rowColor,strokeWidth=0.1))
else:
line = PolyLine(points,strokeColor=rowColor,strokeLineCap=0,strokeLineJoin=1)
if strokeWidth:
line.strokeWidth = strokeWidth
if dash:
line.strokeDashArray = dash
g.add(line)
if hasattr(rowStyle, 'symbol'):
uSymbol = rowStyle.symbol
elif hasattr(self.lines, 'symbol'):
uSymbol = self.lines.symbol
else:
uSymbol = None
if uSymbol:
for colNo in range(len(row)):
x1, y1 = row[colNo]
symbol = uSymbol2Symbol(uSymbol,x1,y1,rowStyle.strokeColor)
if symbol: g.add(symbol)
# Draw item labels.
for colNo in range(len(row)):
x1, y1 = row[colNo]
self.drawLabel(g, rowNo, colNo, x1, y1)
return g
def draw(self):
"Draws itself."
vA, cA = self.valueAxis, self.categoryAxis
vA.setPosition(self.x, self.y, self.height)
if vA: vA.joinAxis = cA
if cA: cA.joinAxis = vA
vA.configure(self.data)
# If zero is in chart, put x axis there, otherwise
# use bottom.
xAxisCrossesAt = vA.scale(0)
if ((xAxisCrossesAt > self.y + self.height) or (xAxisCrossesAt < self.y)):
y = self.y
else:
y = xAxisCrossesAt
cA.setPosition(self.x, y, self.width)
cA.configure(self.data)
self.calcPositions()
g = Group()
g.add(self.makeBackground())
if self.inFill:
self._inFillG = Group()
g.add(self._inFillG)
g.add(cA)
g.add(vA)
cAdgl = getattr(cA,'drawGridLast',False)
vAdgl = getattr(vA,'drawGridLast',False)
if not cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims)
if not vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims)
g.add(self.makeLines())
if cAdgl: cA.makeGrid(g,parent=self,dim=vA.getGridDims)
if vAdgl: vA.makeGrid(g,parent=self,dim=cA.getGridDims)
for a in getattr(self,'annotations',()): g.add(a(self,cA.scale,vA.scale))
return g
def _fakeItemKey(a):
'''t, z0, z1, x, y = a[:5]'''
return (-a[1],a[3],a[0],-a[4])
class _FakeGroup:
def __init__(self):
self._data = []
def add(self,what):
if what: self._data.append(what)
def value(self):
return self._data
def sort(self):
self._data.sort(key=_fakeItemKey)
#for t in self._data: print t
class HorizontalLineChart3D(HorizontalLineChart):
_attrMap = AttrMap(BASE=HorizontalLineChart,
theta_x = AttrMapValue(isNumber, desc='dx/dz'),
theta_y = AttrMapValue(isNumber, desc='dy/dz'),
zDepth = AttrMapValue(isNumber, desc='depth of an individual series'),
zSpace = AttrMapValue(isNumber, desc='z gap around series'),
)
theta_x = .5
theta_y = .5
zDepth = 10
zSpace = 3
def calcPositions(self):
HorizontalLineChart.calcPositions(self)
nSeries = self._seriesCount
zSpace = self.zSpace
zDepth = self.zDepth
if self.categoryAxis.style=='parallel_3d':
_3d_depth = nSeries*zDepth+(nSeries+1)*zSpace
else:
_3d_depth = zDepth + 2*zSpace
self._3d_dx = self.theta_x*_3d_depth
self._3d_dy = self.theta_y*_3d_depth
def _calc_z0(self,rowNo):
zSpace = self.zSpace
if self.categoryAxis.style=='parallel_3d':
z0 = rowNo*(self.zDepth+zSpace)+zSpace
else:
z0 = zSpace
return z0
def _zadjust(self,x,y,z):
return x+z*self.theta_x, y+z*self.theta_y
def makeLines(self):
labelFmt = self.lineLabelFormat
P = list(range(len(self._positions)))
if self.reversePlotOrder: P.reverse()
inFill = self.inFill
assert not inFill, "inFill not supported for 3d yet"
#if inFill:
#inFillY = self.categoryAxis._y
#inFillX0 = self.valueAxis._x
#inFillX1 = inFillX0 + self.categoryAxis._length
#inFillG = getattr(self,'_inFillG',g)
zDepth = self.zDepth
_zadjust = self._zadjust
theta_x = self.theta_x
theta_y = self.theta_y
F = _FakeGroup()
from reportlab.graphics.charts.utils3d import _make_3d_line_info
tileWidth = getattr(self,'_3d_tilewidth',None)
if not tileWidth and self.categoryAxis.style!='parallel_3d': tileWidth = 1
# Iterate over data rows.
for rowNo in P:
row = self._positions[rowNo]
n = len(row)
styleCount = len(self.lines)
styleIdx = rowNo % styleCount
rowStyle = self.lines[styleIdx]
rowColor = rowStyle.strokeColor
dash = getattr(rowStyle, 'strokeDashArray', None)
z0 = self._calc_z0(rowNo)
z1 = z0 + zDepth
if hasattr(self.lines[styleIdx], 'strokeWidth'):
strokeWidth = self.lines[styleIdx].strokeWidth
elif hasattr(self.lines, 'strokeWidth'):
strokeWidth = self.lines.strokeWidth
else:
strokeWidth = None
# Iterate over data columns.
if self.joinedLines:
if n:
x0, y0 = row[0]
for colNo in range(1,n):
x1, y1 = row[colNo]
_make_3d_line_info( F, x0, x1, y0, y1, z0, z1,
theta_x, theta_y,
rowColor, fillColorShaded=None, tileWidth=tileWidth,
strokeColor=None, strokeWidth=None, strokeDashArray=None,
shading=0.1)
x0, y0 = x1, y1
if hasattr(self.lines[styleIdx], 'symbol'):
uSymbol = self.lines[styleIdx].symbol
elif hasattr(self.lines, 'symbol'):
uSymbol = self.lines.symbol
else:
uSymbol = None
if uSymbol:
for colNo in range(n):
x1, y1 = row[colNo]
x1, y1 = _zadjust(x1,y1,z0)
symbol = uSymbol2Symbol(uSymbol,x1,y1,rowColor)
if symbol: F.add((2,z0,z0,x1,y1,symbol))
# Draw item labels.
for colNo in range(n):
x1, y1 = row[colNo]
x1, y1 = _zadjust(x1,y1,z0)
L = self._innerDrawLabel(rowNo, colNo, x1, y1)
if L: F.add((2,z0,z0,x1,y1,L))
F.sort()
g = Group()
for v in F.value(): g.add(v[-1])
return g
class VerticalLineChart(LineChart):
pass
def sample1():
drawing = Drawing(400, 200)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(5, 20, 46, 38, 23, 21, 6, 14)
]
lc = HorizontalLineChart()
lc.x = 50
lc.y = 50
lc.height = 125
lc.width = 300
lc.data = data
lc.joinedLines = 1
lc.lines.symbol = makeMarker('FilledDiamond')
lc.lineLabelFormat = '%2.0f'
catNames = 'Jan Feb Mar Apr May Jun Jul Aug'.split(' ')
lc.categoryAxis.categoryNames = catNames
lc.categoryAxis.labels.boxAnchor = 'n'
lc.valueAxis.valueMin = 0
lc.valueAxis.valueMax = 60
lc.valueAxis.valueStep = 15
drawing.add(lc)
return drawing
class SampleHorizontalLineChart(HorizontalLineChart):
"Sample class overwriting one method to draw additional horizontal lines."
def demo(self):
"""Shows basic use of a line chart."""
drawing = Drawing(200, 100)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(14, 10, 21, 28, 38, 46, 25, 5)
]
lc = SampleHorizontalLineChart()
lc.x = 20
lc.y = 10
lc.height = 85
lc.width = 170
lc.data = data
lc.strokeColor = colors.white
lc.fillColor = colors.HexColor(0xCCCCCC)
drawing.add(lc)
return drawing
def makeBackground(self):
g = Group()
g.add(HorizontalLineChart.makeBackground(self))
valAxis = self.valueAxis
valTickPositions = valAxis._tickValues
for y in valTickPositions:
y = valAxis.scale(y)
g.add(Line(self.x, y, self.x+self.width, y,
strokeColor = self.strokeColor))
return g
def sample1a():
drawing = Drawing(400, 200)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(5, 20, 46, 38, 23, 21, 6, 14)
]
lc = SampleHorizontalLineChart()
lc.x = 50
lc.y = 50
lc.height = 125
lc.width = 300
lc.data = data
lc.joinedLines = 1
lc.strokeColor = colors.white
lc.fillColor = colors.HexColor(0xCCCCCC)
lc.lines.symbol = makeMarker('FilledDiamond')
lc.lineLabelFormat = '%2.0f'
catNames = 'Jan Feb Mar Apr May Jun Jul Aug'.split(' ')
lc.categoryAxis.categoryNames = catNames
lc.categoryAxis.labels.boxAnchor = 'n'
lc.valueAxis.valueMin = 0
lc.valueAxis.valueMax = 60
lc.valueAxis.valueStep = 15
drawing.add(lc)
return drawing
def sample2():
drawing = Drawing(400, 200)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(5, 20, 46, 38, 23, 21, 6, 14)
]
lc = HorizontalLineChart()
lc.x = 50
lc.y = 50
lc.height = 125
lc.width = 300
lc.data = data
lc.joinedLines = 1
lc.lines.symbol = makeMarker('Smiley')
lc.lineLabelFormat = '%2.0f'
lc.strokeColor = colors.black
lc.fillColor = colors.lightblue
catNames = 'Jan Feb Mar Apr May Jun Jul Aug'.split(' ')
lc.categoryAxis.categoryNames = catNames
lc.categoryAxis.labels.boxAnchor = 'n'
lc.valueAxis.valueMin = 0
lc.valueAxis.valueMax = 60
lc.valueAxis.valueStep = 15
drawing.add(lc)
return drawing
def sample3():
drawing = Drawing(400, 200)
data = [
(13, 5, 20, 22, 37, 45, 19, 4),
(5, 20, 46, 38, 23, 21, 6, 14)
]
lc = HorizontalLineChart()
lc.x = 50
lc.y = 50
lc.height = 125
lc.width = 300
lc.data = data
lc.joinedLines = 1
lc.lineLabelFormat = '%2.0f'
lc.strokeColor = colors.black
lc.lines[0].symbol = makeMarker('Smiley')
lc.lines[1].symbol = NoEntry
lc.lines[0].strokeWidth = 2
lc.lines[1].strokeWidth = 4
catNames = 'Jan Feb Mar Apr May Jun Jul Aug'.split(' ')
lc.categoryAxis.categoryNames = catNames
lc.categoryAxis.labels.boxAnchor = 'n'
lc.valueAxis.valueMin = 0
lc.valueAxis.valueMax = 60
lc.valueAxis.valueStep = 15
drawing.add(lc)
return drawing
|