实验室论文作图，绘制粒子点

AgentNumber = 63;FrameNumber = 1; szBuffer = sprintf('reset.txt');% szBuffer = sprintf('./pathFile/path_250_group/%02d.txt',frame); f1=fopen(szBuffer);cla;i=1;while 1nextline = fgetl(f1); %读第一行 if ~isstr(nextline), break, end %读到最后跳出 %disp(nextline);%这行可以不要 a = sscanf(nextline, '%f %f');%读取数据，根据你自己的需要改  dataX(i) = a(1); dataY(i) = a(2);i=i+1;end fclose(f1); N = [dataX(:),dataY(:)];fid=fopen('Si.txt','wt')% [n C] = hist3([dataX(:) dataY(:)]);% p=n/AgentNumber;% colormap(flipud(gray))% contourf(C{1},C{2},p);% colorbarfor i=1:63    plot(dataX,dataY,'.');        scatter(dataX,dataY);    grid on; box on;    hold on;endbox on;% for i=1:15%     plot([125,200],[-200+i*25,-200+i*25]);%     hold on;% end% for i=1:2%     plot([125+25*i,125+25*i],[-200,200]);%     hold on;% end%  axis([125,200,-200,200])   axis([0,30,0,100])set(gcf,'unit','normalized','position',[0.2,0.2,1,1]);%设置画布的宽高，matlab默认为正方形%  set(gcf,'position',[100,-200,100,100]);set(gca,'XTick',[0:10:30]) %改变x轴坐标间隔显示 这里间隔为10  set(gca,'YTick',[0:50:100]) %改变y轴坐标间隔显示 这里间隔为10