用仿站工具做网站,家庭服务网站的营销策略,html网页教程,一个服务器下怎么做两个网站吗大家好#xff0c;我是带我去滑雪#xff01; 局部放大图可以展示图像中的细节信息#xff0c;使图像更加直观和精美#xff0c;此次使用magnify工具实现对绘制的figure选择区域绘制#xff0c;图像效果如下#xff1a; 1、基本图像绘制 这里选择绘制一个散点图#xff… 大家好我是带我去滑雪 局部放大图可以展示图像中的细节信息使图像更加直观和精美此次使用magnify工具实现对绘制的figure选择区域绘制图像效果如下 1、基本图像绘制 这里选择绘制一个散点图数据来源是使用决策树预测的真实值和预测值 clear; clc; %导入数据 data load(E:\工作\硕士\博客\预测值.csv); %给没列数据赋变量名 TrueValue data(:,1); rfp data(:,2); svm data(:,3); sjwl data(:,4); LGBMR data(:,5); XGBOOST data(:,6); DTR data(:,7); KNR data(:,8); ylinspace(1,304,304) %绘图 figure(1); plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,rfp,k,LineWidth,1.2); figure(2) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,svm,b,LineWidth,1.2); figure(3) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,sjwl,c,LineWidth,1.2); figure(4) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,LGBMR,y,LineWidth,1.2); figure(5) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,XGBOOST,g,LineWidth,1.2); figure(6) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,DTR,k,LineWidth,1.2); figure(7) plot(y,TrueValue,r,LineWidth,1.2); hold on; plot(y,KNR,b,LineWidth,1.2); 部分输出结果图6 2、局部放大图绘制 初始数据图绘制完成后调用放大函数代码如下 % start of program function magnify(f1) % magnify(f1) % Figure creates a magnification box when under the mouse position when a button is pressed. Press /- while % button pressed to increase/decrease magnification. Press / while button pressed to increase/decrease box size. % Hold Ctrl while clicking to leave magnification on figure. % % Example: % plot(1:100,randn(1,100),(1:300)/3,rand(1,300)), grid on, % magnify; if (nargin 0), f1 gcf; end; figure(f1); set(f1, ... WindowButtonDownFcn, ButtonDownCallback, ... WindowButtonUpFcn, ButtonUpCallback, ... WindowButtonMotionFcn, ButtonMotionCallback, ... KeyPressFcn, KeyPressCallback); return; function ButtonDownCallback(src,eventdata) f1 src; a1 get(f1,CurrentAxes); a2 copyobj(a1,f1); set(f1, ... UserData,[f1,a1,a2], ... Pointer,fullcrosshair, ... CurrentAxes,a2); set(a2, ... UserData,[2,0.2], ... %magnification, frame size Color,get(a1,Color), ... Box,on); xlabel(); ylabel(); zlabel(); title(); set(get(a2,Children), ... LineWidth, 2); set(a1, ... Color,get(a1,Color)*0.95); set(f1, ... CurrentAxes,a1); ButtonMotionCallback(src); return; function ButtonUpCallback(src,eventdata) H get(src,UserData); f1 H(1); a1 H(2); a2 H(3); set(a1, ... Color,get(a2,Color)); set(f1, ... UserData,[], ... Pointer,arrow, ... CurrentAxes,a1); if ~strcmp(get(f1,SelectionType),alt), delete(a2); end; return; function ButtonMotionCallback(src,eventdata) H get(src,UserData); if ~isempty(H) f1 H(1); a1 H(2); a2 H(3); a2_param get(a2,UserData); f_pos get(f1,Position); a1_pos get(a1,Position); [f_cp, a1_cp] pointer2d(f1,a1); set(a2,Position,[(f_cp./f_pos(3:4)) 0 0]a2_param(2)*a1_pos(3)*[-1 -1 2 2]); a2_pos get(a2,Position); set(a2,XLim,a1_cp(1)(1/a2_param(1))*(a2_pos(3)/a1_pos(3))*diff(get(a1,XLim))*[-0.5 0.5]); set(a2,YLim,a1_cp(2)(1/a2_param(1))*(a2_pos(4)/a1_pos(4))*diff(get(a1,YLim))*[-0.5 0.5]); end; return; function KeyPressCallback(src,eventdata) H get(gcf,UserData); if ~isempty(H) f1 H(1); a1 H(2); a2 H(3); a2_param get(a2,UserData); if (strcmp(get(f1,CurrentCharacter),) | strcmp(get(f1,CurrentCharacter),)) a2_param(1) a2_param(1)*1.2; elseif (strcmp(get(f1,CurrentCharacter),-) | strcmp(get(f1,CurrentCharacter),_)) a2_param(1) a2_param(1)/1.2; elseif (strcmp(get(f1,CurrentCharacter),) | strcmp(get(f1,CurrentCharacter),,)) a2_param(2) a2_param(2)/1.2; elseif (strcmp(get(f1,CurrentCharacter),) | strcmp(get(f1,CurrentCharacter),.)) a2_param(2) a2_param(2)*1.2; end; set(a2,UserData,a2_param); ButtonMotionCallback(src); end; return; % Included for completeness (usually in own file) function [fig_pointer_pos, axes_pointer_val] pointer2d(fig_hndl,axes_hndl) % %pointer2d(fig_hndl,axes_hndl) % %Returns the coordinates of the pointer (in pixels) %in the desired figure (fig_hndl) and the coordinates % in the desired axis (axes coordinates) % % Example: % figure(1), % hold on, % for i 1:1000, % [figp,axp]pointer2d; % plot(axp(1),axp(2),.,EraseMode,none); % drawnow; % end; % hold off % Rick Hindman - 4/18/01 if (nargin 0), fig_hndl gcf; axes_hndl gca; end; if (nargin 1), axes_hndl get(fig_hndl,CurrentAxes); end; set(fig_hndl,Units,pixels); pointer_pos get(0,PointerLocation);%pixels {0,0} lower left fig_pos get(fig_hndl,Position);%pixels {l,b,w,h} fig_pointer_pos pointer_pos - fig_pos([1,2]); set(fig_hndl,CurrentPoint,fig_pointer_pos); if (isempty(axes_hndl)), axes_pointer_val []; elseif (nargout 2), axes_pointer_line get(axes_hndl,CurrentPoint); axes_pointer_val sum(axes_pointer_line)/2; end; % end of program 接下来使用鼠标右键选中想要放大的区域同时可以使用‘’和‘’缩放方法范围‘’和‘-’缩放放大比例松开右键确认还可以通过工具中的编辑图形调整子图位置等绘制的图像效果如下 3、优化图像 为放大后的图像添加横纵坐标标签、图例、标题代码如下 function createfigure(X1, YMatrix1) figure1 figure; axes1 axes(Parent,figure1); hold(axes1,on); plot1 plot(X1,YMatrix1,Parent,axes1,LineWidth,1.2); set(plot1(1),DisplayName,real values,Color,[1 0 0]); set(plot1(2),DisplayName,predicted values,Color,[0 0 0]); ylabel({Value}); xlabel({Number}); title({Comparison of predicted value and real value of decision tree}); box(axes1,on); legend1 legend(axes1,show); set(legend1,... Position,[0.629880949860529 0.803888887072368 0.248214289460863 0.0869047637212844]); axes2 axes(Parent,figure1,... Position,[0.574999999999999 0.465952380952387 0.31 0.310000000000004]); hold(axes2,on); plot2 plot(X1,YMatrix1,Parent,axes2,LineWidth,2); set(plot2(1),Color,[1 0 0]); set(plot2(2),Color,[0 0 0]); box(axes2,on); annotation(figure1,arrow,[0.72 0.654285714285714],... [0.423761904761905 0.217142857142857],LineWidth,1); 最终输出结果 需要数据集的家人们可以去百度网盘永久有效获取
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