//surface_gradient.bvr\n//Parametric surface\nsu=parametricSurface\nsu.setMinMax=s,0,4\nsu.setMinMax=t,-3.2,3.2\nsu.setEquation=x,(s*cos(t))\nsu.setEquation=y,(s*sin(t))\nsu.setEquation=z,(0.7*t)\nsu.setSegmentCount=15\nsu.spawn\nv=vectorDraw\nv.setTail=-0.666666666667,3.572652878e-08,-2.19911482\nv.setHead=-0.666666610397,1.05000003573,-2.19911482\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.615919703722,-0.255122251111,-1.9242254675\nv.setHead=-1.01773724922,0.714951282251,-1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.471404552369,-0.471404489213,-1.649336115\nv.setHead=-1.21386662288,0.271057680768,-1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.255122333628,-0.615919669542,-1.3744467625\nv.setHead=-1.22519581316,-0.214101994078,-1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-5.3589792874e-08,-0.666666666667,-1.09955741\nv.setHead=-1.05000005359,-0.666666582263,-1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.255122234607,-0.615919710558,-0.8246680575\nv.setHead=-0.714951309521,-1.01773723006,-0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.471404476582,-0.471404565,-0.549778705\nv.setHead=-0.271057713294,-1.21386661562,-0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.615919662706,-0.255122350132,-0.2748893525\nv.setHead=0.214101961249,-1.22519581889,-0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.666666666667,0.0,0.0\nv.setHead=0.666666666667,-1.05,0.0\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.61591969005,0.255122284118,0.2748893525\nv.setHead=1.01773728753,-0.714951227711,0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.471404527107,0.471404514475,0.549778705\nv.setHead=1.21386663741,-0.271057615718,0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.255122300621,0.615919683214,0.8246680575\nv.setHead=1.22519580168,0.214102059736,0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.786326439e-08,0.666666666667,1.09955741\nv.setHead=1.05000001786,0.666666638532,1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.255122267614,0.615919696886,1.3744467625\nv.setHead=0.714951254981,1.01773726838,1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.471404501844,0.471404539738,1.649336115\nv.setHead=0.271057648243,1.21386663014,1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.615919676378,0.255122317125,1.9242254675\nv.setHead=-0.214102026907,1.22519580742,1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.33333333333,7.14530575601e-08,-2.19911482\nv.setHead=-1.3333333052,0.525000071453,-2.19911482\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.23183940744,-0.510244502221,-1.9242254675\nv.setHead=-1.43274818019,-0.0252077355401,-1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.942809104738,-0.942808978426,-1.649336115\nv.setHead=-1.31404013999,-0.571577893435,-1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.510244667256,-1.23183933908,-1.3744467625\nv.setHead=-0.99528140702,-1.03093050135,-1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.07179585748e-07,-1.33333333333,-1.09955741\nv.setHead=-0.52500010718,-1.33333329113,-1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.510244469214,-1.23183942112,-0.8246680575\nv.setHead=0.0252076971498,-1.43274818087,-0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.942808953163,-0.942809130001,-0.549778705\nv.setHead=0.571577858226,-1.31404015531,-0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.23183932541,-0.510244700263,-0.2748893525\nv.setHead=1.03093047468,-0.995281434644,-0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.33333333333,0.0,0.0\nv.setHead=1.33333333333,-0.525,0.0\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.2318393801,0.510244568235,0.2748893525\nv.setHead=1.43274817884,0.0252078123208,0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.942809054213,0.942809028951,0.549778705\nv.setHead=1.31404010936,0.571577963854,0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.510244601242,1.23183936643,0.8246680575\nv.setHead=0.995281351773,1.03093055469,0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=3.572652878e-08,1.33333333333,1.09955741\nv.setHead=0.525000035727,1.33333331927,1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.510244535228,1.23183939377,1.3744467625\nv.setHead=-0.0252077739304,1.43274817952,1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.942809003688,0.942809079476,1.649336115\nv.setHead=-0.571577928645,1.31404012468,1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.23183935276,0.510244634249,1.9242254675\nv.setHead=-1.03093052802,0.995281379397,1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.0,1.0717958634e-07,-2.19911482\nv.setHead=-1.99999998124,0.35000010718,-2.19911482\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.84775911117,-0.765366753332,-1.9242254675\nv.setHead=-1.981698293,-0.442008908878,-1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.41421365711,-1.41421346764,-1.649336115\nv.setHead=-1.66170101394,-1.16672607765,-1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.765367000884,-1.84775900863,-1.3744467625\nv.setHead=-1.08872482739,-1.71381978347,-1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.60769378622e-07,-2.0,-1.09955741\nv.setHead=-0.350000160769,-1.99999997187,-1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.765366703821,-1.84775913167,-0.8246680575\nv.setHead=0.442008855778,-1.98169830484,-0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.41421342975,-1.414213695,-0.549778705\nv.setHead=1.16672603312,-1.66170104521,-0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.84775898812,-0.765367050395,-0.2748893525\nv.setHead=1.7138197543,-1.08872487332,-0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.0,0.0,0.0\nv.setHead=2.0,-0.35,0.0\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.84775907015,0.765366852353,0.2748893525\nv.setHead=1.98169826931,0.442009015076,0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.41421358132,1.41421354343,0.549778705\nv.setHead=1.66170095142,1.1667261667,0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=0.765366901863,1.84775904964,0.8246680575\nv.setHead=1.08872473555,1.71381984182,0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=5.35897931701e-08,2.0,1.09955741\nv.setHead=0.35000005359,1.99999999062,1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-0.765366802842,1.84775909066,1.3744467625\nv.setHead=-0.442008961977,1.98169828115,1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.41421350553,1.41421361921,1.649336115\nv.setHead=-1.16672612217,1.66170098268,1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.84775902913,0.765366951374,1.9242254675\nv.setHead=-1.71381981264,1.08872478147,1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.66666666667,1.4290611512e-07,-2.19911482\nv.setHead=-2.6666666526,0.262500142906,-2.19911482\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.46367881489,-1.02048900444,-1.9242254675\nv.setHead=-2.56413320126,-0.777970621102,-1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.88561820948,-1.88561795685,-1.649336115\nv.setHead=-2.0712337271,-1.70000241436,-1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.02048933451,-2.46367867817,-1.3744467625\nv.setHead=-1.26300770439,-2.3632242593,-1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.14359171496e-07,-2.66666666667,-1.09955741\nv.setHead=-0.262500214359,-2.66666664557,-1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.02048893843,-2.46367884223,-0.8246680575\nv.setHead=0.777970552396,-2.56413322211,-0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.88561790633,-1.88561826,-0.549778705\nv.setHead=1.70000235886,-2.07123377266,-0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.46367865082,-1.02048940053,-0.2748893525\nv.setHead=2.36322422546,-1.26300776772,-0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.66666666667,0.0,0.0\nv.setHead=2.66666666667,-0.2625,0.0\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.4636787602,1.02048913647,0.2748893525\nv.setHead=2.56413315957,0.777970758513,0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.88561810843,1.8856180579,0.549778705\nv.setHead=2.071233636,1.70000252535,0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.02048920248,2.46367873286,0.8246680575\nv.setHead=1.26300757775,2.36322432699,0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=7.14530575601e-08,2.66666666667,1.09955741\nv.setHead=0.262500071453,2.66666665963,1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.02048907046,2.46367878754,1.3744467625\nv.setHead=-0.777970689807,2.56413318042,1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.88561800738,1.88561815895,1.649336115\nv.setHead=-1.70000246985,2.07123368155,1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.46367870551,1.0204892685,1.9242254675\nv.setHead=-2.36322429314,1.26300764107,1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-3.33333333333,1.786326439e-07,-2.19911482\nv.setHead=-3.33333332208,0.210000178633,-2.19911482\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-3.07959851861,-1.27561125555,-1.9242254675\nv.setHead=-3.15996202771,-1.08159654888,-1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.35702276185,-2.35702244606,-1.649336115\nv.setHead=-2.50551517595,-2.20853001207,-1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.27561166814,-3.07959834771,-1.3744467625\nv.setHead=-1.46962636405,-2.99923481262,-1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.6794896437e-07,-3.33333333333,-1.09955741\nv.setHead=-0.210000267949,-3.33333331645,-1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.27561117304,-3.07959855279,-0.8246680575\nv.setHead=1.08159646421,-3.15996205669,-0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.35702238291,-2.357022825,-0.549778705\nv.setHead=2.20852994493,-2.50551523513,-0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=3.07959831353,-1.27561175066,-0.2748893525\nv.setHead=2.99923477324,-1.46962644441,-0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=3.33333333333,0.0,0.0\nv.setHead=3.33333333333,-0.21,0.0\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=3.07959845025,1.27561142059,0.2748893525\nv.setHead=3.15996196975,1.08159671822,0.2748893525\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=2.35702263553,2.35702257238,0.549778705\nv.setHead=2.50551505759,2.20853014634,0.549778705\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=1.27561150311,3.07959841607,0.8246680575\nv.setHead=1.46962620332,2.99923489137,0.8246680575\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=8.93163219501e-08,3.33333333333,1.09955741\nv.setHead=0.210000089316,3.33333332771,1.09955741\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-1.27561133807,3.07959848443,1.3744467625\nv.setHead=-1.08159663355,3.15996199873,1.3744467625\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-2.35702250922,2.35702269869,1.649336115\nv.setHead=-2.2085300792,2.50551511677,1.649336115\nv.setRadius=0.3\nv.color=red\nv.spawn\nv=vectorDraw\nv.setTail=-3.07959838189,1.27561158562,1.9242254675\nv.setHead=-2.999234852,1.46962628368,1.9242254675\nv.setRadius=0.3\nv.color=red\nv.spawn\n