https://mediawiki.zeropage.org/index.php?action=history&feed=atom&title=CubicSpline%2F1002%2FGraphPanel.py 2026-05-15T20:57:54Z Revision history for this page on the wiki MediaWiki 1.39.8 https://mediawiki.zeropage.org/index.php?title=CubicSpline/1002/GraphPanel.py&diff=31022&oldid=prev 2021-02-07T05:23:03Z

<p></p> <p><b>New page</b></p><div> from wxPython.wx import *<br /> from Numeric import *<br /> from NaCurves import *<br /> <br /> class GraphPanel(wxScrolledWindow):<br /> def __init__(self, parent, id=NewId(), pos=wxDefaultPosition, size=wxDefaultSize):<br /> wxScrolledWindow.__init__(self, parent, id, pos, size)<br /> self.normalFunc = NormalFunction()<br /> self.lagrange = Lagrange(DATASET)<br /> self.piecewiseLagrange = PiecewiseLagrange(DATASET, 4)<br /> self.cubicSpline = Spline(DATASET)<br /> self.errorLagrange = ErrorLagrange(DATASET)<br /> self.errorPiecewiseLagrange = ErrorPiecewiseLagrange(DATASET, 4)<br /> self.errorCubicSpline = ErrorSpline(DATASET)<br /> <br /> EVT_PAINT(self, self.OnPaint)<br /> <br /> def mappingToScreenX(self, x):<br /> cx,cy = self.GetClientSizeTuple()<br /> return (x) * (cx / 2) + cx / 2<br /> <br /> def mappingToScreenY(self, y):<br /> cx,cy = self.GetClientSizeTuple()<br /> return (-y) * (cy / 2) + cy / 2 <br /> <br /> def OnPaint(self, event):<br /> dc = wxPaintDC(self)<br /> self.PrepareDC(dc)<br /> <br /> dc.BeginDrawing()<br /> self.drawBackground(dc)<br /> self.drawGraph(dc)<br /> #self.drawGuideLines(dc)<br /> dc.EndDrawing()<br /> <br /> def drawBackground(self, dc):<br /> cx, cy = self.GetClientSizeTuple()<br /> brush = wxBrush(wxColour(255,255,230), wxSOLID)<br /> oldbrush = dc.GetBrush()<br /> dc.SetBrush(brush)<br /> dc.DrawRectangle(0,0, cx, cy)<br /> dc.SetBrush(oldbrush)<br /> <br /> def drawGuideLines(self, dc):<br /> cx, cy = self.GetClientSizeTuple()<br /> marginX = 100<br /> marginY = 100<br /> dc.DrawLine(marginX,marginY, marginX, cy-marginY)<br /> dc.DrawLine(marginX,cy-marginY, cx-marginX, cy-marginY)<br /> <br /> def drawGraph(self, dc):<br /> self.plotNormalFunction(dc)<br /> self.plotLagrange(dc)<br /> self.plotPiecewiseLagrange(dc)<br /> self.plotCubicSpline(dc)<br /> self.plotErrorLagrange(dc)<br /> self.plotErrorPiecewiseLagrange(dc)<br /> self.plotErrorCubicSpline(dc)<br /> <br /> def plotNormalFunction(self, dc):<br /> self.plotGraph(dc, self.normalFunc, wxColour(255,0,0))<br /> <br /> def plotGraph(self, dc, aFuncObject, aColor):<br /> pen = wxPen(aColor, 1, wxSOLID)<br /> oldpen = dc.GetPen()<br /> dc.SetPen(pen)<br /> for x in arange(-1.0, 1.0, 0.001):<br /> y = aFuncObject.perform(x)<br /> realX = self.mappingToScreenX(x)<br /> realY = self.mappingToScreenY(y)<br /> dc.DrawPoint(realX, realY)<br /> dc.SetPen(oldpen)<br /> <br /> def plotLagrange(self, dc):<br /> self.plotGraph(dc, self.lagrange, wxColour(0,0,255))<br /> <br /> def plotPiecewiseLagrange(self, dc):<br /> self.plotGraph(dc, self.piecewiseLagrange, wxColour(255,255,0))<br /> <br /> def plotCubicSpline(self, dc):<br /> self.plotGraph(dc, self.cubicSpline, wxColour(0,0,0))<br /> <br /> def plotErrorLagrange(self, dc):<br /> self.plotGraph(dc, self.errorLagrange, wxColour(128,128,128))<br /> <br /> def plotErrorPiecewiseLagrange(self, dc):<br /> self.plotGraph(dc, self.errorPiecewiseLagrange, wxColour(255,255,200))<br /> <br /> def plotErrorCubicSpline(self, dc):<br /> self.plotGraph(dc, self.errorCubicSpline, wxColour(255,0,255)) </div>

imported>Unknown