dictionary - How to plot a vector field with colormap in gnuplot? -


i have data in text file in following way

 x  y  dx dy z 1  0  1  2  5 2  3  3  3  6 2  4  5  4  8 .  .  .  .  .

i'm using gnuplot , can plot vector field using columns x,y,dx,dy want plot color map using x,y , z on same graph. want vector field color map
have no idea how this. please help!

you can plot 'data' image. can plotting styles in gnuplot doc.

then can combine vector plot , one. examples source code can find here: image « gnuplotting. way should able create graphs desired one:

#your plot script without plot... plot 'data' u 1:2:5 image, \ # not scaled yet      '' u 1:2:3:4 vector ...#your vector field plot

note: thies works, if have data in form of

1 1 z1 1 2 z2 . . .. 1 n zn 2 1 z21 2 2 z22 . . ... 2 n z2n 3 1 ... . . ...

so need datapoints without 'hole' in it...

i'll continue tomorrow...


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