def realizePoint(self, pp, grp, arp, iPoint):
p = self.points[iPoint]
x = p.getX()
y = p.getY()
# skip points at undefined locations
if (Double.isNaN(x)) or (Double.isNaN(y)):
return
prevX = Double.NaN
prevY = Double.NaN
if iPoint > 0:
prevP = self.points[iPoint-1]
prevX = prevP.getX()
prevY = prevP.getY()
nextX = Double.NaN
nextY = Double.NaN
nextP = None
if iPoint < self.getNPoints()-1:
nextP = self.points[iPoint+1]
nextX = nextP.getX()
nextY = nextP.getY()
# if point was not assigned to any band, it's not drawn
# at all (undefined x or y, or off chart entirely)
drawMainSymbol = (p.getINextInBand() != iPoint)
self.getSymbol().realizeSymbol(pp, grp, arp, p.getAnnotation(),
self.onY2(),
self.getActuallyClippedToPlotArea(),
self.getParent().getClipToDecoratedChart(),
drawMainSymbol,
x, y, prevX, prevY, nextX, nextY)
def getBand(self, iPoint, bandThickness):
result = NAI
symType = self.getSymbol().getSymbolType()
xPx = symType.getCenterX(self.chart.plotPanel, self.getSymbol(), iPoint)
if Double.isNaN(xPx):
return result; # NaN points not in any band
yPx = symType.getCenterY( self.chart.plotPanel, self.getSymbol(),
iPoint, self.onY2())
if Double.isNaN(yPx):
return result; # NaN points not in any band
# now, we've got a point with x,y values in some sort of band
if self.getSymbol().isHorizontallyBanded():
if yPx < 0:
result = 0; # off-chart point above chart
elif yPx >= (len(self.bandList)-EXTRA_BANDS)*bandThickness:
result = len(self.bandList)-1; # off-chart point below chart
else:
# inside a normal, chart-covering, band
result = 1 + int ( math.floor(yPx/bandThickness) )
else:
# vertically banded
if xPx < 0:
result = 0; # off-chart point to the left
elif xPx >= (len(self.bandList)-EXTRA_BANDS)*bandThickness:
result = len(self.bandList)-1; # off-chart point to the right
else:
# within one of the real bands covering the chart
result = 1 + int ( math.floor(xPx/bandThickness) )
return result
def withinRange(x, minLim, maxLim):
result = Double.isNaN(x) and True or (x >= minLim and x <= maxLim)
return result
