[英]colouring data points in a scatter plot using python
我正在嘗試使用某些顏色的某些數據點繪制散點圖。
data = np.genfromtxt('overallplotfile.csv',delimiter=',',dtype=str,skiprows=1)
data2 = np.genfromtxt('overallplotfile.csv',delimiter=',',dtype=float,skiprows=1)
x = data2[:,1]
y = data2[:,3]
z = data[:,2]
現在,第2列(z)包含要稍后為其分配顏色的樁號名稱。
scatter(x,y)
plot(x,yp)
為z中的電台名稱分配顏色。
use_colours = {"KNZ": "red", "PXZ": "red", "BFZ": "red","MQZ": "red","OPZ": "red","TUZ": "red","PUZ": "red","TSZ": "red","WEL": "red","MRZ": "red","KHZ": "red","ODZ": "red","MLZ": "red", "VRZ": "green", "WIZ": "green", "NNZ": "green", "THZ": "green", "WVZ": "green", "WKZ": "green", "MLZ": "green","WHZ": "green", "PYZ": "green", "TOZ": "blue","TLZ": "cyan", "HIZ": "cyan","QRZ": "cyan","DSZ": "cyan", "FOZ": "cyan","JCZ": "cyan","MSZ": "cyan","DCZ": "cyan", "WAZ": "yellow", "WIZ": "yellow", "URZ": "yellow","LTZ": "yellow","RPZ": "yellow","LBZ": "yellow","EAZ": "yellow", "MXZ" = "magenta", "BKZ" = "magenta","MWZ" = "magenta", "OXZ" = "magenta", "APZ" = "magenta"}
ax.scatter(x,y,c=[use_colours[x[0]] for x in z],s=50)
用工作站名稱標記數據點。 地圖(文本,X,Y,Z)
但是,當我嘗試將顏色分配給工作站時,出現了無效的語法錯誤。 誰能幫我?
在dict
定義的末尾使用=
符號而不是:
符號。 這可能會導致SyntaxError
。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.