','FontSize',15,'ForegroundColor','r');
text1 = uicontrol(pict,'style','text','position',[60 165 130...30],'string','输入标尺长度:','FontSize',13,'ForegroundColor','b');
con1 = uicontrol(pict,'style','edit','position...',[185 168 100 30],'string','','FontSize',14,'ForegroundColor','b');
% 单位选择
text2 = uicontrol(pict,'style...'FontSize',10,'ForegroundColor','b');
text4 = uicontrol(pict,'style','text','position',[253 93 50 30]...,'string','大小:','FontSize',12,'ForegroundColor','b');
popup2 = uicontrol(pict,'Position', [300 93 50