def aitken_generatePoint(t, points, showLines): layer = [points] tRatios = [] tValues = [0] for i in range(1, len(layer[0])): L = distancePoints(layer[0][i][0], layer[0][i][1], layer[0][i-1][0], layer[0][i-1][1]) tValues.append(tValues[-1] + L) for i in range(len(layer[0])): tRatios.append(tValues[i] / tValues[-1]) for r in range(1, len(layer[0]) + 1): layer.append([]) for i in range(0, len(layer[0]) - r): # print "Checking", (t - d[i]) # print "Checking", (tRatios[i+r] - tRatios[i]) # print "Checking", layer[r-1][i + 1][0] x = (tRatios[i+r] - t)/(tRatios[i+r] - tRatios[i])*layer[r - 1][i][0] + (t - tRatios[i])/(tRatios[i+r] - tRatios[i])*layer[r-1][i + 1][0] y = (tRatios[i+r] - t)/(tRatios[i+r] - tRatios[i])*layer[r - 1][i][1] + (t - tRatios[i])/(tRatios[i+r] - tRatios[i])*layer[r-1][i + 1][1] layer[r].append([x, y]) if showLines: ASDrawing.draw_line(x, y, layer[r - 1][i][0], layer[r - 1][i][1]) if showLines: for i in range(1, len(layer[r])): ASDrawing.draw_line(layer[r][i][0], layer[r][i][1], layer[r][i - 1][0], layer[r][i - 1][1]) # print layer return layer[len(layer[0]) - 1][0][0], layer[len(layer[0]) - 1][0][1]
def draw(): glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) ASDrawing.drawControlPoints(settings.points) ASDrawing.drawControlPolygon(settings.points) ASDrawing.drawBernsteinBezierCurve(settings.points) ASDrawing.drawElevatedOrReducedCurve(settings.points, settings.degreeOffset) glutSwapBuffers()
def draw():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
ASDrawing.drawControlPoints(settings.points)
ASDrawing.drawControlPolygon(settings.points)
ASDrawing.drawAitkenInterpolation(settings.points)
ASDrawing.drawSingleAitkenPoint(settings.selectedT, settings.points)
# ASDrawing.drawBernsteinBezierCurve(settings.points)
# ASDrawing.drawElevatedOrReducedCurve(settings.points, settings.degreeOffset)
glutSwapBuffers()
def draw():
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
points = settings.points
weights = settings.weights
uK = settings.uK
vK = settings.vK
global knotWindow
if len(settings.uKnots) != uK + len(points[0]) + 1:
settings.uKnots = ASMath.generateKnots(points[0], uK)
if knotWindow != None:
knotWindow.hide()
knotWindow = None
if len(settings.vKnots) != vK + len(points) + 1:
settings.vKnots = ASMath.generateKnots([row[0] for row in points], vK)
if knotWindow != None:
knotWindow.hide()
knotWindow = None
if knotWindow == None:
knotWindow = ASUI.knotWindow()
knotWindow.show()
ASDrawing.drawSurface(points, uK, vK, settings.uKnots, settings.vKnots, weights)
for row in points:
print row
glutSwapBuffers()
def setBackground(hexString):
rgb = ASDrawing.getRgbTuple(hexString)
glClearColor(rgb[0], rgb[1], rgb[2], 0.0)