y,c=colors,s=sizes,alpha=0.5,label="Random Points")print("Scatter plot label:",scatter.get_label())ax.legend()plt.title("how2matplotlib.com")plt.show()
importmatplotlib.pyplotaspltimportnumpyasnp# 生成数据x=np.linspace(0,10,10)y=np.sin(x)# 绘制折线图plt.plot(x,y,marker='o')# 调整 Label 位置foriinrange(len(x)):plt.annotate(f'({x[i]:.1f},{y[i]:.1f})',(x[i],y[i]),textcoords="offset points",xytext=(0,5),ha='center...
fig,ax=plt.subplots()# 创建一些数据ax.plot([1,2,3],[1,2,3],'ro-')# 创建自定义图例元素red_patch=mpatches.Patch(color='red',label='Red data from how2matplotlib.com')line_patch=mpatches.Patch(color='blue',label='Blue line from how2matplotlib.com')# 使用set_label()方法设置...
1)defupdate(frame):x=np.linspace(0,2*np.pi,100)y=np.sin(x+frame/10)line.set_data(x,y)ax.xaxis.set_label_text(f"Phase:{frame/10:.2f}- how2matplotlib.com")ax.yaxis.set_label_text(f"Amplitude:{np.max(y):.2f}- how2matplotlib.com")returnline,frommatplotlib.animationimpo...
/usr/bin/env pythonimportargparseimportjsonimportmatplotlib.pyplotasplt from labelmeimportutils defmain():parser=argparse.ArgumentParser()parser.add_argument('json_file')args=parser.parse_args()json_file=args.json_file data=json.load(open(json_file))# 加载json文件...
importmatplotlib.pyplotaspltdefdraw_graph_with_labels(data,labels):plt.figure()fori,(x,y)inenumerate(data):plt.scatter(x,y)plt.text(x,y,labels[i],fontsize=12,ha='right',va='bottom')plt.show()# 示例数据data_points=[(1,2),(2,3),(3,5)]labels=['点1','点2','点3']draw_gra...
# visualization_xml_OD.pyfromlxmlimportetreeimportcv2ascvimportmatplotlib.pyplotaspltfromcopyimportdeepcopyimportnumpyasnpdefparse_xml_to_dict(xml):""" 将xml文件解析成字典形式,参考tensorflow的recursive_parse_xml_to_dict Args: xml: xml tree obtained by parsing XML file contents using lxml.etree ...
points = np.array(shape['points'], np.int32)if(len(points)<3):print("单点polygon",points)else: new_shapes.append(shape) data["shapes"]=new_shapes# data_small["shapes"]=new_shapes_smallwithopen(json_file,'w',encoding='utf-8')asf: ...
import matplotlib.pyplot as plt doc_path = "test.jpg" def np2base64(image_np): image = cv2.imencode('.jpg', image_np)[1] base64_str = str(base64.b64encode(image))[2:-1] return base64_str def BGR2RGB(img): pilimg = img.copy() ...
from matplotlibimportpylabasplt input_file="D:\\Practice\\fusion_json\\"#文件路径 img_type=".png"forroot,dirs,filesinos.walk(input_file,topdown=True):fornameinnatsort.natsorted(dirs):#natsort,自然排序 file_name=os.path.join(input_file+name,"label_1"+img_type)img=io.imread(file_name)#To...