你好呀
z buffer = {sort}尝试使用自定义选项向图表添加选项colormap会生成错误：
梅威瑟：
\documentclass{article}
% pgfplots
\usepackage{pgfplots}
\pgfplotsset{
compat = newest,
width = .95\linewidth, % width
height = .22\textheight, % height
samples = 20,
% Color Map
colormap = {cool}{
color(0cm)=(green!70!white!40!black);
color(2cm)=(green!70!white!70!black);
color(5cm)=(green!70!white!90!black)
},
}
\begin{document}
\pgfplotsset{
height = 0.4\pageheight,
width = 0.4\textwidth,
}
\begin{tikzpicture}
\begin{axis}
[
hide axis,
z buffer = {sort},
]
% Hiperbole
\addplot3 [
% Aparence
surf,
opacity = 0.5,
fill opacity = 1,
faceted color = white,
shader = faceted interp,
% Scope
data cs = cart, % cart/polar/polarrad
samples = 10,
% Variable
variable = \u,
variable y = \v,
domain = -1:1,
domain y = 0:360,
](
{cosh(u)*cos(v)},
{cosh(u)*sin(v)},
{sinh(u)}
);
\end{axis}
\end{tikzpicture}
\end{document}
同时激活定义和选项会产生几个错误colormap：z buffer
/Users/stack q/stack_q.tex:56: Package pgfplots Error: No such element: \pgfplotsarrayselect-1\of{pgfpl@cm@cool@X}.
See the pgfplots package documentation for explanation.
Type H <return> for immediate help.
...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: You can't use `the letter b' after \advance.
<argument> ...olormapfind@rgb@X@left \advance \c@pgf@counta b
y1 \ifnum \c@pgf@counta <\...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
<
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
\relax
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
\pgfplotscolormapfind@rgb@X@left
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Illegal unit of measure (pt inserted).
<to be read again>
\pgfplotscolormapfind@rgb@X@left
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
\pgfplotscolormapfind@rgb@X@left
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Illegal unit of measure (pt inserted).
<to be read again>
\pgfplotscolormapfind@rgb@X@left
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Package PGF Math Error: You've asked me to divide `67.37263' by `0.0', but I cannot divide any number by `0.0'.
See the PGF Math package documentation for explanation.
Type H <return> for immediate help.
...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Arithmetic overflow.
\pgfmathdivide@ ...\pgfmath@x by\c@pgfmath@counta
\else \ifdim 0pt>\pgfmath@...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Package pgfplots Error: No such element: \pgfplotsarrayselect-1\of{pgfpl@cm@cool}.
See the pgfplots package documentation for explanation.
Type H <return> for immediate help.
...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: You can't use `the letter b' after \advance.
\pgfplotscolormapfind@precomputed@ ...pgf@counta b
y1 \ifnum \c@pgf@counta <\...
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
<
l.56 \end{axis}
/Users/stack q/stack_q.tex:56: Missing number, treated as zero.
<to be read again>
\relax
l.56 \end{axis}
Runaway argument?
\pgfplots@EOI \relax \pgffor@continuefalse \fi \fi \ifx \pgfplots@markers@visphase@name \ETC.
/Users/stack q/stack_q.tex:58: Paragraph ended before \pgfplots@loc@TMPb was complete.
<to be read again>
\par
l.58
/Users/stack q/stack_q.tex:59: Improper \prevdepth.
\newpage ...everypar {}\fi \par \ifdim \prevdepth
>\z@ \vskip -\ifdim \prevd...
l.59 \end{document}
/Users/stack q/stack_q.tex:59: Missing \endgroup inserted.
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\endgroup
l.59 \end{document}
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l.59 \end{document}
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/Users/stack q/stack_q.tex:59: LaTeX Error: \begin{tikzpicture} on input line 27 ended by \end{document}.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
l.59 \end{document}
(./.build/stack_q.aux))
(\end occurred inside a group at level 3)
### semi simple group (level 3) entered at line 28 (\begingroup)
### semi simple group (level 2) entered at line 27 (\begingroup)
### semi simple group (level 1) entered at line 27 (\begingroup)
### bottom level
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答案1
显然，使用非均匀颜色图时，PGFPlots 中存在一个错误。偏移量被映射到区间 0-1000，从第一个偏移量开始，到最后一个偏移量结束，因此，对于您的情况：
0cm -> 0
2cm -> 400
5cm -> 1000
这些数字用于选择颜色。它们与均匀颜色图（0,500,1000）相差无几，因此我怀疑不均匀性是可以察觉的。如果外观看起来太亮/太暗，可以调整颜色本身或将更多颜色添加到列表中。
这是您的图表的统一版本：
\documentclass[border=1cm]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=1.18}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
hide axis,
z buffer=sort,
colormap={mycool}{
color=(green!70!white!40!black)
color=(green!70!white!70!black)
color=(green!70!white!90!black)
},
]
\addplot3 [
surf,
variable=\u,
variable y=\v,
domain=-1:1,
domain y=0:360,
]( {cosh(u)*cos(v)} , {cosh(u)*sin(v)} , {sinh(u)} );
\end{axis}
\end{tikzpicture}
\end{document}
