How to stop overlap between different circles randomly generated
Clash Royale CLAN TAG#URR8PPP
6
This question is similar to this question tikz: Distribute evenly and randomly circles (which is also where I got some of the code for this TiKz picture) but is different. I wish to draw multiple circles that do not overlap but some of these circles are different. Currently this is my code:
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandfillrandomly[5]
xdefxlist4
xdefylist4
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
endscope
foreach X in 1,...,8
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
beginscope[xshift=15cm]
foreach X in 1,...,2
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
Which produces this image:
I am unsure how to stop overlapping between the three different types of circles especially in the first and third beaker counting from the left. XeLaTeX answer please
tikz-pgf
asked Dec 16 at 12:07
sab hoque
1,255318
add a comment |
6
This question is similar to this question tikz: Distribute evenly and randomly circles (which is also where I got some of the code for this TiKz picture) but is different. I wish to draw multiple circles that do not overlap but some of these circles are different. Currently this is my code:
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandfillrandomly[5]
xdefxlist4
xdefylist4
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
endscope
foreach X in 1,...,8
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
beginscope[xshift=15cm]
foreach X in 1,...,2
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
Which produces this image:
I am unsure how to stop overlapping between the three different types of circles especially in the first and third beaker counting from the left. XeLaTeX answer please
tikz-pgf
asked Dec 16 at 12:07
sab hoque
1,255318
Lualatex ok?...
– JPi
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23
add a comment |
6
6
6
1
This question is similar to this question tikz: Distribute evenly and randomly circles (which is also where I got some of the code for this TiKz picture) but is different. I wish to draw multiple circles that do not overlap but some of these circles are different. Currently this is my code:
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandfillrandomly[5]
xdefxlist4
xdefylist4
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
endscope
foreach X in 1,...,8
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
beginscope[xshift=15cm]
foreach X in 1,...,2
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
Which produces this image:
I am unsure how to stop overlapping between the three different types of circles especially in the first and third beaker counting from the left. XeLaTeX answer please
tikz-pgf
asked Dec 16 at 12:07
sab hoque
1,255318
This question is similar to this question tikz: Distribute evenly and randomly circles (which is also where I got some of the code for this TiKz picture) but is different. I wish to draw multiple circles that do not overlap but some of these circles are different. Currently this is my code:
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandfillrandomly[5]
xdefxlist4
xdefylist4
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
endscope
foreach X in 1,...,8
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
beginscope[xshift=15cm]
foreach X in 1,...,2
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw[fill=black!10] (2+1.8*rand,2+1.9*rand) circle (0.15);
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
Which produces this image:
I am unsure how to stop overlapping between the three different types of circles especially in the first and third beaker counting from the left. XeLaTeX answer please
tikz-pgf
tikz-pgf
asked Dec 16 at 12:07
sab hoque
1,255318
asked Dec 16 at 12:07
sab hoque
1,255318
edited Dec 16 at 12:26
asked Dec 16 at 12:07
sab hoque
1,255318
asked Dec 16 at 12:07
sab hoque
1,255318
asked Dec 16 at 12:07
sab hoque
1,255318
1,255318
Lualatex ok?...
– JPi
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23
add a comment |
Lualatex ok?...
– JPi
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23
Lualatex ok?...
– JPi
Dec 16 at 12:23
Lualatex ok?...
– JPi
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23
add a comment |
1 Answer
1
active
oldest
votes
6
It is clear why this happens: you draw two or more independent samples, so if you say e.g.
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
the + ions do not know about the - ones. But it is very simple to fix it. Just make the reset of the collision list not part of the fillrandomly, but do it whenever you start a new group. That is, I redefined fillrandomly such that it does not reset the collision list, and added a command resetlists that issues the reset. I also defined an ion style that gets changed along the way such that one can add the filled ions.
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandresetlistsxdefxlist4xdefylist4
newcommandfillrandomly[5]
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw[ion] (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
% 2
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
% 3
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.158
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
%4
beginscope[xshift=15cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.152$-$
fillrandomly3.63.80.152$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.151
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
answered Dec 16 at 13:20
marmot
86.3k499184
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
@sabhoque No, the original code hasxdefxlist4xdefylist4part offillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed,fillrandomlychecks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the+ions also know where the-ions were. I only reset the list when I switch to the next container. Theionstyle allows you to draw the shaded circles withfillrandomly, too.
– marmot
Dec 16 at 14:09
add a comment |
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6
It is clear why this happens: you draw two or more independent samples, so if you say e.g.
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
the + ions do not know about the - ones. But it is very simple to fix it. Just make the reset of the collision list not part of the fillrandomly, but do it whenever you start a new group. That is, I redefined fillrandomly such that it does not reset the collision list, and added a command resetlists that issues the reset. I also defined an ion style that gets changed along the way such that one can add the filled ions.
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandresetlistsxdefxlist4xdefylist4
newcommandfillrandomly[5]
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw[ion] (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
% 2
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
% 3
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.158
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
%4
beginscope[xshift=15cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.152$-$
fillrandomly3.63.80.152$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.151
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
answered Dec 16 at 13:20
marmot
86.3k499184
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
@sabhoque No, the original code hasxdefxlist4xdefylist4part offillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed,fillrandomlychecks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the+ions also know where the-ions were. I only reset the list when I switch to the next container. Theionstyle allows you to draw the shaded circles withfillrandomly, too.
– marmot
Dec 16 at 14:09
add a comment |
6
It is clear why this happens: you draw two or more independent samples, so if you say e.g.
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
the + ions do not know about the - ones. But it is very simple to fix it. Just make the reset of the collision list not part of the fillrandomly, but do it whenever you start a new group. That is, I redefined fillrandomly such that it does not reset the collision list, and added a command resetlists that issues the reset. I also defined an ion style that gets changed along the way such that one can add the filled ions.
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandresetlistsxdefxlist4xdefylist4
newcommandfillrandomly[5]
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw[ion] (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
% 2
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
% 3
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.158
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
%4
beginscope[xshift=15cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.152$-$
fillrandomly3.63.80.152$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.151
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
answered Dec 16 at 13:20
marmot
86.3k499184
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
@sabhoque No, the original code hasxdefxlist4xdefylist4part offillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed,fillrandomlychecks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the+ions also know where the-ions were. I only reset the list when I switch to the next container. Theionstyle allows you to draw the shaded circles withfillrandomly, too.
– marmot
Dec 16 at 14:09
add a comment |
6
6
6
It is clear why this happens: you draw two or more independent samples, so if you say e.g.
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
the + ions do not know about the - ones. But it is very simple to fix it. Just make the reset of the collision list not part of the fillrandomly, but do it whenever you start a new group. That is, I redefined fillrandomly such that it does not reset the collision list, and added a command resetlists that issues the reset. I also defined an ion style that gets changed along the way such that one can add the filled ions.
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandresetlistsxdefxlist4xdefylist4
newcommandfillrandomly[5]
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw[ion] (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
% 2
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
% 3
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.158
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
%4
beginscope[xshift=15cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.152$-$
fillrandomly3.63.80.152$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.151
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
answered Dec 16 at 13:20
marmot
86.3k499184
It is clear why this happens: you draw two or more independent samples, so if you say e.g.
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
the + ions do not know about the - ones. But it is very simple to fix it. Just make the reset of the collision list not part of the fillrandomly, but do it whenever you start a new group. That is, I redefined fillrandomly such that it does not reset the collision list, and added a command resetlists that issues the reset. I also defined an ion style that gets changed along the way such that one can add the filled ions.
documentclassarticle
usepackagetikz
usepackage[margin=0.5in]geometry
newcommandresetlistsxdefxlist4xdefylist4
newcommandfillrandomly[5]
pgfmathsetmacrodiametersqr(#3*2)^2
foreach i in 1,...,#4
foreach k in 1,...,20
pgfmathsetmacroxrnd*#1
pgfmathsetmacroyrnd*#2
xdefcollision0
foreach element [count=i] in xlist
pgfmathtruncatemacroji-1
pgfmathsetmacrocheckdistancesqr ( (xlist[j]-(x))^2 + (ylist[j]-(y))^2 )
ifdimcheckdistancesqr pt<diametersqr pt
xdefcollision1
breakforeach
fi
ifnumcollision=0
xdefxlistxlist,x
xdefylistylist,y
draw[ion] (x,y) circle [radius=#3] node[anchor=center] #5;
breakforeach
fi
begindocument
beginfigure
begintikzpicture
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.1512$-$
fillrandomly3.63.80.1512$+$
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated strong acid;
% 2
beginscope[xshift=5cm]
foreach X in 1,...,3
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $+$;
draw (2+1.8*rand,2+1.9*rand) circle (0.15) node[anchor=center] $-$;
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute strong acid;
endscope
% 3
beginscope[xshift=10cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.158$-$
fillrandomly3.63.80.158$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.158
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) concentrated weak acid;
endscope
%4
beginscope[xshift=15cm]
beginscope[xshift=0.2cm,yshift=0.2cm]
resetlists
tikzsetion/.style=
fillrandomly3.63.80.152$-$
fillrandomly3.63.80.152$+$
tikzsetion/.style=fill=black!10
fillrandomly3.63.80.151
endscope
draw (0,5) -- (0,1);
draw (0,1) .. controls (0,0) and (0,0) .. (1,0);
draw (1,0) -- (3,0);
draw (3,0) .. controls (4,0) and (4,0) .. (4,1);
draw (4,1) -- (4,5);
draw[densely dashed] (0,5) .. controls (0,4.5) and (0,4.5) .. (0.5,4.5);
draw[densely dashed] (0.5,4.5) -- (3.5,4.5);
draw[densely dashed] (3.5,4.5) .. controls (4,4.5) and (4,4.5) .. (4,5);
node[anchor=center] at (2,-0.5) dilute weak acid;
endscope
draw[fill=black!10] (0,-1) circle (0.15) node[right=0.1cm] Unionised;
draw (0,-1.5) circle (0.15) node[anchor=center] $+$ node[right=0.1cm] Positive Ion;
draw (0,-2) circle (0.15) node[anchor=center] $-$ node[right=0.1cm] Negative Ion;
endtikzpicture
vspace-2cm
captionConcentrated and dilute solutions of weak and strong acids
endfigure
enddocument
answered Dec 16 at 13:20
marmot
86.3k499184
answered Dec 16 at 13:20
marmot
86.3k499184
answered Dec 16 at 13:20
marmot
86.3k499184
answered Dec 16 at 13:20
marmot
86.3k499184
86.3k499184
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
@sabhoque No, the original code hasxdefxlist4xdefylist4part offillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed,fillrandomlychecks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the+ions also know where the-ions were. I only reset the list when I switch to the next container. Theionstyle allows you to draw the shaded circles withfillrandomly, too.
– marmot
Dec 16 at 14:09
add a comment |
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
@sabhoque No, the original code hasxdefxlist4xdefylist4part offillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed,fillrandomlychecks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the+ions also know where the-ions were. I only reset the list when I switch to the next container. Theionstyle allows you to draw the shaded circles withfillrandomly, too.
– marmot
Dec 16 at 14:09
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
I may have misunderstood something, but is the only thing that was changed was the addition of an ion style. I can't see where the cahnge was made to prevent the resetting of the list? I like to understand the code before I use it
– sab hoque
Dec 16 at 14:04
2
2
@sabhoque No, the original code has
xdefxlist4xdefylist4 part of fillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed, fillrandomly checks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the + ions also know where the - ions were. I only reset the list when I switch to the next container. The ion style allows you to draw the shaded circles with fillrandomly, too.– marmot
Dec 16 at 14:09
@sabhoque No, the original code has
xdefxlist4xdefylist4 part of fillrandomly. This resets the collision list, i.e. the list of previous positions of ions. Whenever a new ion is placed, fillrandomly checks if the would-be ion overlaps with one of the previous ones. If not, the ion is drawn. All I did was not to reset the list automatically. So in the first example the + ions also know where the - ions were. I only reset the list when I switch to the next container. The ion style allows you to draw the shaded circles with fillrandomly, too.– marmot
Dec 16 at 14:09
add a comment |
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Lualatex ok?...
– JPi
Dec 16 at 12:23
Sorry I prefer XeLaTeX, forgot to mention
– sab hoque
Dec 16 at 12:23