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How to have shader=interp gradient follow a different direction?
shader=faceted interp does not compile in XelatexHow can I draw a curved gradient/fade in tikz?sketching simple arrows with different directionPrint problem with 3D pgfplots (surf, shader=interp)“shader=interp” has no effect when using pgfplot plots surfaceColor gradient for line in scatter plot with Tikz/pgfplotsPackage pgfplots Error: CRITICAL: shader=interp: got unsupported pdf shading type '0'Color gradient in a polygon along a specified direction
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;
3
The shading of the interp option in 3D surface plots always has vertically shifting gradients.
Is there a way to obtain horizontal gradients?
Example image below, only instead imagine the right side of the sphere to start out white and transition to black on the antipodal point.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackageamsmath
usepackageamssymb
usepackagetikz
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarypatchplots
usepgfplotslibrarycolormaps
usetikzlibraryarrows.meta
usetikzlibraryshadings
usepackagexcolor
usepackagetikz-3dplot
begindocument
begintikzpicture[scale=2]
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp, colormap=customrgb255=(100,100,100)rgb255=(255,255,255), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp, colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
tikz-pgf pgfplots shading
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
add a comment
|
3
The shading of the interp option in 3D surface plots always has vertically shifting gradients.
Is there a way to obtain horizontal gradients?
Example image below, only instead imagine the right side of the sphere to start out white and transition to black on the antipodal point.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackageamsmath
usepackageamssymb
usepackagetikz
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarypatchplots
usepgfplotslibrarycolormaps
usetikzlibraryarrows.meta
usetikzlibraryshadings
usepackagexcolor
usepackagetikz-3dplot
begindocument
begintikzpicture[scale=2]
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp, colormap=customrgb255=(100,100,100)rgb255=(255,255,255), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp, colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
tikz-pgf pgfplots shading
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
add a comment
|
3
3
3
The shading of the interp option in 3D surface plots always has vertically shifting gradients.
Is there a way to obtain horizontal gradients?
Example image below, only instead imagine the right side of the sphere to start out white and transition to black on the antipodal point.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackageamsmath
usepackageamssymb
usepackagetikz
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarypatchplots
usepgfplotslibrarycolormaps
usetikzlibraryarrows.meta
usetikzlibraryshadings
usepackagexcolor
usepackagetikz-3dplot
begindocument
begintikzpicture[scale=2]
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp, colormap=customrgb255=(100,100,100)rgb255=(255,255,255), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp, colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
tikz-pgf pgfplots shading
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
The shading of the interp option in 3D surface plots always has vertically shifting gradients.
Is there a way to obtain horizontal gradients?
Example image below, only instead imagine the right side of the sphere to start out white and transition to black on the antipodal point.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackageamsmath
usepackageamssymb
usepackagetikz
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarypatchplots
usepgfplotslibrarycolormaps
usetikzlibraryarrows.meta
usetikzlibraryshadings
usepackagexcolor
usepackagetikz-3dplot
begindocument
begintikzpicture[scale=2]
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp, colormap=customrgb255=(100,100,100)rgb255=(255,255,255), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp, colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
tikz-pgf pgfplots shading
tikz-pgf pgfplots shading
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
edited Sep 29 at 4:07
Jack Tiger Lam
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
asked Sep 29 at 3:22
Jack Tiger LamJack Tiger Lam
2611 silver badge7 bronze badges
2611 silver badge7 bronze badges
add a comment
|
add a comment
|
1 Answer
1
active
oldest
votes
5
You can adjust the point meta. I introduce an angle myangle that determines the direction.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarycolormaps
begindocument
begintikzpicture[scale=2]
pgfmathsetmacromyangle30
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
If you set this angle to 110 you get
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
add a comment
|
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1 Answer
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1 Answer
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active
oldest
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active
oldest
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active
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votes
5
You can adjust the point meta. I introduce an angle myangle that determines the direction.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarycolormaps
begindocument
begintikzpicture[scale=2]
pgfmathsetmacromyangle30
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
If you set this angle to 110 you get
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
add a comment
|
5
You can adjust the point meta. I introduce an angle myangle that determines the direction.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarycolormaps
begindocument
begintikzpicture[scale=2]
pgfmathsetmacromyangle30
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
If you set this angle to 110 you get
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
add a comment
|
5
5
5
You can adjust the point meta. I introduce an angle myangle that determines the direction.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarycolormaps
begindocument
begintikzpicture[scale=2]
pgfmathsetmacromyangle30
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
If you set this angle to 110 you get
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
You can adjust the point meta. I introduce an angle myangle that determines the direction.
documentclassarticle
usepackage[a4paper,top=3cm,bottom=3cm,left=3cm,right=3cm,marginparwidth=1.75cm]geometry
usepackagepgfplots
pgfplotssetcompat=1.8
usepgfplotslibrarycolormaps
begindocument
begintikzpicture[scale=2]
pgfmathsetmacromyangle30
beginaxis[axis equal image, axis lines=center, ticks=none, view/h=120, view/v=20, enlarge x limits=abs=2pt, enlarge y limits=abs=2pt, enlarge z limits=abs=2pt]
addplot3+[domain=2:3.65, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](-x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,-x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,0,-x);
%sphere
addplot3[surf, shader=interp, colormap=customrgb255=(0,0,0)rgb255=(250,250,250), z buffer = sort, samples = 50,
variable = u, variable y = v, domain = 0:180, y domain = 0:360] (2*cos(u)*sin(v), 2*sin(u)*sin(v), 2*cos(v));
%viviani window underlay edge
addplot3+[domain=0:4*pi, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%viviani cylinder parts
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = -2:0, ] (1+cos(u), sin(u), min(-sqrt(4 - 2*x),v));
addplot3[surf, shader=interp,point meta=cos(myangle)*x+sin(myangle)*y,
colormap=customrgb255=(255,255,255)rgb255=(100,100,100), z buffer = sort, samples = 35,
variable = u, variable y = v, domain = 0:360, y domain = 0:2, ] (1+cos(u), sin(u), max(sqrt(4 - 2*x),v));
%viviani window overlay edge
addplot3+[domain=-pi/3:2*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=5*pi/3:8*pi/3, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
addplot3+[domain=2.34375:4.5325, samples=50, samples y=0, no marks, smooth, solid, black, thin](1+cos(deg(x)),sin(deg(x)),2*sin(deg(x)/2));
%axis extensions
addplot3+[domain=2:3.625, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](x,0,0);
addplot3+[domain=2:2.4, samples=5, samples y=0, line width= 0.31pt, no marks, smooth, solid, black](0,x,0);
addplot3+[domain=2:2.25, samples=5, samples y=0, line width= 0.37pt, no marks, smooth, solid, black](0,0,x);
endaxisendtikzpicture
enddocument
If you set this angle to 110 you get
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
answered Sep 29 at 4:19
Schrödinger's catSchrödinger's cat
30.2k2 gold badges43 silver badges71 bronze badges
30.2k2 gold badges43 silver badges71 bronze badges
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
add a comment
|
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
I tried to make different shadings for the two surfaces but it seems that is not possible as they somehow interfere with each other. Do you know how to workaround this?
– Jack Tiger Lam
Oct 3 at 4:43
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
@JackTigerLam Could you please post a new question that has the code that you have tried?
– Schrödinger's cat
Oct 3 at 4:44
add a comment
|
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