我繪製了帶有seaborn包的熱圖,並且希望刻度號位於網格之間的中心。我該怎麼做才能改變刻度線? 另外,我認為第一個圖和第二個圖之間的間隔太窄,而第二個圖和顏色條之間的間隔太寬。如何調整每個軸之間的間距? 以下是我的繪圖代碼,並附上了結果圖。 將seaborn導入為sns 導入matplotlib.pyplot作為plt 將熊貓作為pd導入 sns.set(font_scale = 1.2) 無花果,axs = plt.subplots(ncols = 3,figsize =(24,10),gridspec_kw = dict(width_ratios = [4,4,0.3])) df1 = pd.DataFrame(main_pmatrix) df2 = pd.DataFrame(after_pmatrix) g1 = sns.heatmap(df1,cmap ='hot',ax = axs [0],cbar = False,vmin = 0.9,vmax = 1.8) g2 = sns.heatmap(df2,cmap ='hot',ax = axs [1],cbar = False,vmin = 0.9,vmax = 1.8) g1.set_xticks(range(21)) g1.set_xticklabels(['1.0','1.1','1.2','1.3','1.4','1.5','1.6','1.7','1.8','1.9','2.0',' 2.1”,“ 2.2”,“ 2.3”,“ 2.4”,“ 2.5”,“ 2.6”,“ 2.7”,“ 2.8”,“ 2.9”,“ 3.0”]) g2.set_xticks(range(21)) g2.set_xticklabels(['1.0','1.1','1.2','1.3','1.4','1.5','1.6','1.7','1.8','1.9','2.0',' 2.1”,“ 2.2”,“ 2.3”,“ 2.4”,“ 2.5”,“ 2.6”,“ 2.7”,“ 2.8”,“ 2.9”,“ 3.0”]) g1.set_yticks(range(11)) g1.set_yticklabels(['0.5','0.6','0.7','0.8','0.9','1.0','1.1','1.2','1.3','1.4','1.5']) g1.set_xlabel(“分形維數,$ d_f $”,fontsize = 25,labelpad = 10) g1.set_ylabel(“ $ b- $ value”,fontsize = 25,labelpad = 10) g2.set_yticks(range(11)) g2.set_yticklabels(['0.5','0.6','0.7','0.8','0.9','1.0','1.1','1.2','1.3','1.4','1.5']) g2.set_xlabel(“分形維數,$ d_f $”,fontsize = 25,labelpad = 10) g2.set_ylabel(“ $ b- $ value”,fontsize = 25,labelpad = 10) plt.colorbar(axs [1] .collections [0],cax = axs [2]) plt.xlabel(“ $ p $”,fontsize = 20,labelpad = 10) plt.show()
2021-02-26 08:13:08
您可以使用sns.heatmap的xticklabels =和yticklabels =參數將所需的刻度標籤設置在正確的位置。這樣,就不需要set_xticks等。可以通過gridspec_kw的wspace調整子圖之間的垂直空間。 還要注意,不需要將矩陣轉換為pandas數據框,因為seaborn會將數據框轉換回2D numpy數組。 將seaborn導入為sns 導入matplotlib.pyplot作為plt 將numpy導入為np main_pmatrix = np.random.uniform(1.2,1.8,(11,21)) after_pmatrix = np.random.uniform(0.9,1.5,(11,21)) sns.set(font_scale = 1.2) 圖,(ax1,ax2,ax3)= plt.subplots(ncols = 3,figsize =(24,10),gridspec_kw = dict(width_ratios = [4,4,0.3],wspace = 0.2)) xticklabels = [f'{i:.1f}'對於np.arange(1,3.001,0.1)中的i] yticklabels = [f'{i:.1f}'for n in np.arange(0.5,1.501,0.1)] sns.heatmap(main_pmatrix,cmap ='hot',ax = ax1,cbar = False,vmin = 0.9,vmax = 1.8, xticklabels = xticklabels,yticklabels = yticklabels) sns.heatmap(after_pmatrix,cmap ='hot',ax = ax2,cbar = False,vmin = 0.9,vmax = 1.8, xticklabels = xticklabels,yticklabels = yticklabels) 對於(ax1,ax2)中的ax: ax.set_xlabel(“分形維數,$ d_f $”,fontsize = 25,labelpad = 10) ax.set_ylabel(“ $ b- $ value”,fontsize = 25,labelpad = 10) ax1.set_title('Main p-matrix',fontsize = 28) ax2.set_title('After p-matrix',fontsize = 28) plt.colorbar(ax2.collections [0],cax = ax3) ax3.set_xlabel(“ $ p $”,fontsize = 20,labelpad = 10) plt.show() | 你的答案 StackExchange.ifUsing(“ editor”,function(){ StackExchange.using(“ externalEditor”,function(){ StackExchange.using(“ snippets”,function(){ StackExchange.snippets.init(); 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