为3D散点图添加颜色

Question

我有一个x，y，z点的列表以及分配给每个3D点的值的列表。 现在的问题是，如何根据值列表为3D散点图中的每个点着色？

颜色应该是典型的工程-> RGB->最低的蓝色到最高的红色

非常感谢

基本上，我正在搜索等效于：scatter3（X，Y，Z，S，C） 看到这里：https://ch.mathworks.com/help/matlab/ref/scatter3.html

我尝试过：

col = [i/max(values)*255 for i in values]


ax.scatter(sequence_containing_x_vals, sequence_containing_y_vals, sequence_containing_z_vals,c=col, marker='o')
pyplot.show()

..但是我没有得到想要的结果

Answer 1

您可以简单地做到：

cmap = plt.cm.get_cmap('jet')
col = [cmap(i/max(values)) for i in values]

Answer 2

请注意，建议使用颜色生成散点图的方法是将值直接提供给attacked_switches：

def start():

    try:

        number_of_switches, number_of_hosts = topology_info()
        switch_dpids = list()
        hosts = dict()
        switch_dpids = switch_info(number_of_switches, switch_dpids)
        hosts = host_info(number_of_hosts, hosts)
        dpid = switch_byte(number_of_switches, switch_dpids)
        print 'dpid= ', dpid
        if dpid != 0:
            print'calling flow pusher'
            global attack
            attack = True
            attacked_switches.add(dpid)
            T2 = threading.Thread(target=Flowpusher, args=[dpid])
            T2.start()
        elif attack:
            T3 = threading.Thread(target=Flowremover, args=[dpid])
            T3.start()

    except Exception as e:
        print'Error occured:', e

最小示例：

c