Draw multiple lines on the same graph in Matlab? plot() or something else? -

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i want draw several dots, , lines connecting of dots. programmed this:

prompt = 'please enter file name: '; filename = input(prompt, 's'); saturationfile=fopen(filename);  porecount  =fscanf(saturationfile, '%d\n', 1); throatcount=fscanf(saturationfile, '%d\n', 1);  pi=fscanf(saturationfile, '%d\n', porecount); px=fscanf(saturationfile, '%f\n', porecount); py=fscanf(saturationfile, '%f\n', porecount); ps=fscanf(saturationfile, '%d\n', porecount);  ti=fscanf(saturationfile, '%d\n', throatcount); tb=fscanf(saturationfile, '%d\n', throatcount); te=fscanf(saturationfile, '%d\n', throatcount); ta=fscanf(saturationfile, '%f\n', throatcount); tl=fscanf(saturationfile, '%f\n', throatcount); ts=fscanf(saturationfile, '%d\n', throatcount);  tb=tb+1; te=te+1;  maxa=0; i=1:throatcount     if ta(i)>maxa          maxa=ta(i);     end end  scale=10; px  =px  *scale; py  =py  *scale; ta  =ta  *scale; maxa=maxa*scale;  i=1:throatcount     if ts(i)==0         c='cyan';     else         c='black';     end     plot([px(tb(i)) px(te(i))], [py(tb(i)) py(te(i))], 'color', c, 'linewidth', ta(i)); end  i=1:porecount     if ps(i)==0         c='cyan';     else         c='black';     end     rectangle('position', [(px(i)-0.5*maxa) (py(i)-0.5*maxa) maxa maxa], 'facecolor', c, 'edgecolor', c, 'curvature', [1 1]); end

the resulting picture this: unbelieveable, sorry, cannot post pictures, if run program sample data, picture.

the sample input file:

9 10 0 1 2 3 4 5 6 7 8 1.16667 1.16667 1.16667 1.5 1.5 1.5 1.83333 1.83333 1.83333 -0.666667 -0.333333 0 -0.666667 -0.333333 0 -0.666667 -0.333333 0 1 1 0 1 1 0 1 1 0 0 1 2 3 4 5 6 7 8 9 0 0 1 1 3 3 4 4 6 7 1 3 2 4 4 6 5 7 7 8 0.0610206 0.0606029 0.0601841 0.0612494 0.0593242 0.0589063 0.0599607 0.0595583 0.0591209 0.0601974 0.333333 0.333333 0.333333 0.333333 0.333333 0.333333 0.333333 0.333333 0.333333 0.333333 1 1 1 1 1 1 1 1 1 1

question1: defined, there should 10 lines draw between dots, why there 1 line there?

question2: looks dots scaled up, line remain narrow thin line, why?

thanks! please me out, got stuck long time.

you have put figure, hold on before starting plot (before throatcount loop).


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