Draw Circle Latex Color Line

x Actions on Paths

Once a path has been synthetic, different things can be done with it. Information technology can be drawn (or stroked) with a "pen," information technology tin be filled with a color or shading, it can exist used for clipping subsequent drawing, it can be used to specify the extend of the picture--or any combination of these actions at the same fourth dimension.

To decide what is to be washed with a path, two methods can exist used. First, you lot can use a special-purpose command like \draw to indicate that the path should be fatigued. However, commands similar \depict and \fill are just abbreviations for special cases of the more general method: Here, the \path command is used to specify the path. Then, options encountered on the path bespeak what should exist done with the path.

For example, \path  (0,0)  circumvolve  (1cm); means "This is a path consisting of a circle around the origin. Do not practise anything with information technology (throw it away)." However, if the option describe is encountered anywhere on the path, the circle will be fatigued. "Anywhere" is whatsoever indicate on the path where an selection can be given, which is everywhere where a path command like circle  (1cm) or rectangle  (1,1) or even just (0,0) would besides be allowed. Thus, the post-obit commands all describe the same circle:

\path  [draw]  (0,0)  circumvolve  (1cm); \path  (0,0)  [draw]  circumvolve  (1cm); \path  (0,0)  circle  (1cm)  [draw];

Finally, \draw  (0,0)  circle  (1cm); also draws a path, because \describe is an abbreviation for \path  [depict] and thus the command expands to the commencement line of the above case.

Similarly, \make full is an abbreviation for \path[fill] and \filldraw is an abbreviation for the command \path[fill,draw] . Since options accumulate, the following commands all have the aforementioned effect:

\path  [draw,fill up]  (0,0)  circle  (1cm); \path  [depict]  [fill up]  (0,0)  circumvolve  (1cm); \path  [fill up]  (0,0)  circle  (1cm)  [draw]; \describe  [fill]  (0,0)  circle  (1cm); \make full  (0,0)  [describe]  circumvolve  (1cm); \filldraw  (0,0)  circle  (1cm);

In the post-obit subsection the different actions are explained that tin be performed on a path. The following commands are abbreviations for sure sets of actions, only for many useful combinations at that place are no abbreviations:

\draw

Within {tikzpicture} this is an abbreviation for \path[draw] .

\fill

Inside {tikzpicture} this is an abbreviation for \path[make full] .

\filldraw

Within {tikzpicture} this is an abridgement for \path[fill up,depict] .

\shade

Within {tikzpicture} this is an abbreviation for \path[shade] .

\shadedraw

Inside {tikzpicture} this is an abbreviation for \path[shade,depict] .

\prune

Inside {tikzpicture} this is an abbreviation for \path[clip] .

\useasboundingbox

Inside {tikzpicture} this is an abridgement for \path[use  equally  bounding  box] .

\node

Inside {tikzpicture} this is an abbreviation for \path  node . Note that, for once, node is not an option merely a path functioning.

\coordinate

Inside {tikzpicture} this is an abridgement for \path  coordinate .

10.i Specifying a Color

The most unspecific selection for setting colors is the following:

• color = < color name >This option sets the color that is used for fill, drawing, and text inside the current scope. Any special settings for filling colors or cartoon colors are immediately "overruled" by this pick.

  The < color name > is the proper name of a previously defined color. For LA TDue eastX  users, this is merely a normal "LA TEastTen -color" and the xcolor extensions are allows. Here is an case:

  \tikz  \fill up[color=cerise!20]  (0,0)  circle  (1ex);

  It is possible to "exit out" the color= part and you lot can also write:

  \tikz  \fill[red!20]  (0,0)  circumvolve  (1ex);

  What happens is that every option that TikZ does not know, similar cherry!20 , gets a "second risk" as a color proper name.

  For plain TEastX users, information technology is non so easy to specify colors since plainly TEastX has no "standardized" color naming mechanism. Because of this, P G F  emulates the xcolor bundle, though the emulation is extremely basic (more precisely, what I could hack together in two hours or so). The emulation allows you to do the post-obit:

  • Specify a new color using \definecolor . Simply the two color models greyness and rgb are supported.

    Example: \definecolor{orange}{rgb}{1,0.v,0}

  • Utilise \colorlet to define a new color based on an old i. Here, the ! machinery is supported, though merely "once" (use multiple \colorlet for more fancy colors).

    Example: \colorlet{lightgray}{blackness!25}

  • Use \color { < color name > } to set the color in the current TE10 group. \aftergroup -hackery is used to restore the color after the group.

Every bit pointed out above, the color= option applies to "everything" (except to shadings), which is non always what you want. Because of this, in that location are several more specialized color options. For example, the draw= option sets the color used for cartoon, but does not alter the color used for filling. These color options are documented where the path action they influence is described.

x.ii Cartoon a Path

Yous can depict a path using the following choice:

• depict = < color > Causes the path to be drawn. "Drawing" (likewise known as "stroking") can be thought of as picking upwards a pen and moving it along the path, thereby leaving "ink" on the sail.

  There are numerous parameters that influence how a line is fatigued, like the thickness or the dash pattern. These options are explained below.

  If the optional < colour > argument is given, cartoon is done using the given < colour >. This colour can exist different from the current filling colour, which allows yous to describe and fill a path with different colors. If no < color > statement is given, the last usage of the color= option is used.

  If the special color proper name none is given, this option causes drawing to be "switched off." This is useful if a style has previously switched on drawing and you locally wish to undo this effect.

  Although this option is normally used on paths to indicate that the path should be drawn, it also makes sense to employ the selection with a {telescopic} or {tikzpicture} surroundings. However, this volition non crusade all path to fatigued. Instead, this just sets the < color > to be used for drawing paths within the environment.

  \begin{tikzpicture}  \path[draw=crimson]  (0,0)  --  (1,1)  --  (two,1)  circle  (10pt); \end{tikzpicture}

The post-obit subsections list the different options that influence how a path is fatigued. All of these options merely have an outcome if the draw options is given (directly or indirectly).

10.two.1 Graphic Parameters: Line Width, Line Cap, and Line Join

• line width = < dimension > Specifies the line width. Note the space. Default: 0.4pt .

  \tikz  \describe[line  width=5pt]  (0,0)  --  (1cm,ane.5ex);

There are a number of predefined styles that provide more "natural" means of setting the line width. You can also redefine these styles. Call up that y'all can get out out the style= when setting a mode.

• style= ultra thin Sets the line width to 0.1pt.

  \tikz  \draw[ultra  thin]  (0,0)  --  (1cm,1.5ex);

• style= very thin Sets the line width to 0.2pt.

  \tikz  \depict[very  thin]  (0,0)  --  (1cm,ane.5ex);

• style= thin Sets the line width to 0.4pt.

  \tikz  \draw[thin]  (0,0)  --  (1cm,1.5ex);

• fashion= semithick Sets the line width to 0.6pt.

  \tikz  \describe[semithick]  (0,0)  --  (1cm,i.5ex);

• style= thick Sets the line width to 0.8pt.

  \tikz  \draw[thick]  (0,0)  --  (1cm,ane.5ex);

• fashion= very thick Sets the line width to 1.2pt.

  \tikz  \draw[very  thick]  (0,0)  --  (1cm,1.5ex);

• mode= ultra thick Sets the line width to ane.6pt.

  \tikz  \draw[ultra  thick]  (0,0)  --  (1cm,1.5ex);

• cap = < type > Specifies how lines "stop." Permissible < type > are circular , rect , and barrel (default). They take the post-obit furnishings:

  \begin{tikzpicture}  \begin{scope}[line  width=10pt]  \describe[cap=rect]  (0,0  )  --  (1,0);  \draw[cap=barrel]  (0,.v)  --  (ane,.5);  \draw[cap=round]  (0,ane  )  --  (1,1);  \cease{scope}  \draw[white,line  width=1pt]  (0,0  )  --  (1,0)  (0,.5)  --  (1,.5)  (0,ane  )  --  (ane,i); \stop{tikzpicture}

• join = < type > Specifies how lines "join." Permissible < blazon > are round , bevel , and miter (default). They take the following furnishings:

  \begin{tikzpicture}[line  width=10pt]  \draw[join=round]  (0,0)  --  ++(.5,1)  --  ++(.5,-1);  \depict[join=bevel]  (one.25,0)  --  ++(.v,1)  --  ++(.5,-1);  \draw[join=miter]  (ii.v,0)  --  ++(.five,i)  --  ++(.v,-one);  \useasboundingbox  (0,1.5); %  make  bounding  box  bigger \finish{tikzpicture}

• miter limit = < factor > When you lot use the miter bring together and at that place is a very sharp corner (a small angle), the miter join may protrude very far over the actual joining point. In this case, if information technology were to protrude past more than than < factor > times the line width, the miter join is replaced past a bevel join. Default value is 10 .

  \begin{tikzpicture}[line  width=5pt]  \draw  (0,0)  --  ++(5,.5)  --  ++(-v,.five);  \draw[miter  limit=25]  (6,0)  --  ++(5,.5)  --  ++(-5,.5);  \useasboundingbox  (14,0); %  make  bounding  box  bigger \end{tikzpicture}

10.two.ii Graphic Parameters: Dash Design

• dash blueprint = < nuance pattern > Sets the dashing pattern. The syntax is the aforementioned as in One thousand E T A F O N T . For example on  2pt  off  3pt  on  4pt  off  4pt means "depict 2pt, and so leave out 3pt, then depict 4pt once more, then exit out 4pt again, repeat".

  \begin{tikzpicture}[dash  pattern=on  2pt  off  3pt  on  4pt  off  4pt]  \draw  (0pt,0pt)  --  (iii.5cm,0pt); \cease{tikzpicture}

• nuance phase = < dash phase > Shifts the start of the dash blueprint by < phase >.

  \brainstorm{tikzpicture}[nuance  pattern=on  20pt  off  10pt]  \draw[dash  phase=0pt]  (0pt,3pt)  --  (3.5cm,3pt);  \draw[nuance  phase=10pt]  (0pt,0pt)  --  (3.5cm,0pt); \finish{tikzpicture}

Equally for the line thickness, some predefined styles allow yous to prepare the dashing conveniently.

• fashion= solid Shorthand for setting a solid line equally "dash pattern." This is the default.

  \tikz  \describe[solid]  (0pt,0pt)  --  (50pt,0pt);

• mode= dotted Autograph for setting a dotted dash pattern.

  \tikz  \draw[dotted]  (0pt,0pt)  --  (50pt,0pt);

• way= densely dotted Shorthand for setting a densely dotted dash pattern.

  \tikz  \describe[densely  dotted]  (0pt,0pt)  --  (50pt,0pt);

• style= loosely dotted Shorthand for setting a loosely dotted dash design.

  \tikz  \draw[loosely  dotted]  (0pt,0pt)  --  (50pt,0pt);

• fashion= dashed Shorthand for setting a dashed nuance pattern.

  \tikz  \draw[dashed]  (0pt,0pt)  --  (50pt,0pt);

• fashion= densely dashed Shorthand for setting a densely dashed nuance pattern.

  \tikz  \draw[densely  dashed]  (0pt,0pt)  --  (50pt,0pt);

• way= loosely dashed Shorthand for setting a loosely dashed dash pattern.

  \tikz  \draw[loosely  dashed]  (0pt,0pt)  --  (50pt,0pt);

x.2.3 Graphic Parameters: Draw Opacity

When a line is drawn, information technology will unremarkably "obscure" everything behind it as if you has used perfectly opaque ink. It is too possible to ask TigZ to utilise an ink that is a little flake (or a big bit) transparent. To exercise so, utilize the following option:

• draw opacity = < value > This choice sets "how transparent" lines should be. A value of ane means "fully opaque" or "not transparent at all," a value of 0 means "fully transparent" or "invisible." A value of 0.5 yields lines that are semitransparent.

  Notation that when you lot use PostScript every bit your output format, this pick works only with recent versions of GhostScript.

  \begin{tikzpicture}[line  width=1ex]  \depict  (0,0)  --  (3,1);  \filldraw  [make full=examplefill,draw  opacity=0.v]  (ane,0)  rectangle  (2,1); \end{tikzpicture}

Note that the draw  opacity options only sets the opacity of drawn lines. The opacity of fillings is set up using the choice fill up  opacity (documented in Section x.3.ii . The option opacity sets both at the same time.

• opacity = < value > Sets both the drawing and filling opacity to < value >.

  The following predefined styles brand it easier to employ this option:

  • style= transparent Makes everything totally transparent and, hence, invisible.

    \tikz{\fill[red]  (0,0)  rectangle  (one,0.5);  \fill[transparent,red]  (0.v,0)  rectangle  (1.5,0.25);  }

  • style= ultra virtually transparent Makes everything, well, ultra most transparent.

    \tikz{\fill[red]  (0,0)  rectangle  (1,0.5);  \fill[ultra  virtually  transparent]  (0.v,0)  rectangle  (1.5,0.25);  }

  • style= very nearly transparent

    \tikz{\make full[cherry-red]  (0,0)  rectangle  (ane,0.v);  \fill[very  nearly  transparent]  (0.5,0)  rectangle  (i.5,0.25);  }

  • manner= virtually transparent

    \tikz{\fill up[carmine]  (0,0)  rectangle  (ane,0.5);  \fill[virtually  transparent]  (0.5,0)  rectangle  (one.5,0.25);  }

  • style= semitransparent

    \tikz{\fill[red]  (0,0)  rectangle  (one,0.5);  \make full[semitransparent]  (0.v,0)  rectangle  (1.5,0.25);  }

  • style= nearly opaque

    \tikz{\fill[ruddy]  (0,0)  rectangle  (i,0.5);  \fill[near  opaque]  (0.5,0)  rectangle  (1.v,0.25);  }

  • style= very nearly opaque

    \tikz{\fill up[scarlet]  (0,0)  rectangle  (i,0.5);  \fill[very  nearly  opaque]  (0.5,0)  rectangle  (1.5,0.25);  }

  • mode= ultra about opaque

    \tikz{\make full[ruddy]  (0,0)  rectangle  (one,0.5);  \fill up[ultra  nearly  opaque]  (0.5,0)  rectangle  (1.five,0.25);  }

  • mode= opaque This yields completely opaque drawings, which is the default.

    \tikz{\fill[scarlet]  (0,0)  rectangle  (1,0.5);  \fill[opaque]  (0.v,0)  rectangle  (1.5,0.25);  }

ten.2.four Graphic Parameters: Arrow Tips

When you lot draw a line, you lot can add arrow tips at the ends. It is only possible to add ane arrow tip at the start and one at the stop. If the path consists of several segments, only the last segment gets arrow tips. The behavior for paths that are closed is non specified and may change in the future.

• arrows = < offset arrow kind > - < end pointer kind > This option sets the start and end arrow tips (an empty value as in -> indicates that no arrow tip should exist drawn at the start).

  Note: Since the arrow pick is so often used, you can leave out the text arrows= . What happens is that every option that contains a - is interpreted as an pointer specification.

  \brainstorm{tikzpicture}  \depict[->]  (0,0)  --  (ane,0);  \draw[o-stealth]  (0,0.three)  --  (i,0.iii); \end{tikzpicture}

  The permissible values are all predefined arrow tips, though y'all can likewise define new arrow tip kinds equally explained in Section 24 . This is often necessary to obtain "double" arrow tips and arrow tips that have a fixed size. Since pgflibraryarrows is loaded by default, all arrow tips described in Section fourteen.1 are available.

  Ane pointer tip kind is special: > (and all pointer tip kinds containing the arrow tip kind such as << or >| ). This arrow tip type is non fixed. Rather, you tin redefine information technology using the >= option, see below.

  Instance: Y'all can also combine arrow tip types as in

  \begin{tikzpicture}[thick]  \draw[to  reversed-to]  (0,0)  ..  controls  +(.5,0)  and  +(-.5,-.five)  ..  +(1.5,ane);  \draw[[-latex  reversed]  (1,0)  ..  controls  +(.5,0)  and  +(-.5,-.5)  ..  +(1.five,one);  \draw[latex-)]  (2,0)  ..  controls  +(.five,0)  and  +(-.5,-.5)  ..  +(one.5,one);  \useasboundingbox  (-.one,-.1)  rectangle  (3.1,1.1); %  brand  bounding  box  bigger \terminate{tikzpicture}

• > = < finish arrow kind > This option tin can exist used to redefine the "standard" arrow tip > . The idea is that different people have different ideas what arrow tip kind should normally be used. I prefer the arrow tip of TE10'southward \to command (which is used in things like f : A B). Other people will prefer LA TDue eastX 's standard arrow tip, which looks similar this: . Since the arrow tip kind > is certainly the most "natural" one to use, information technology is kept free of any predefined meaning. Instead, yous can change it by saying >=to to set the "standard" arrow tip kind to TEX's arrow tip, whereas >=latex will prepare information technology to FiftyA TEX 's arrow tip and >=stealth will utilize a P S T R I C K S -like arrow tip.

  Autonomously from redefining the pointer tip kind > (and < for the start), this selection also redefines the following arrow tip kinds: > and < every bit the swapped version of < end arrow kind >, << and >> as doubled versions, >> and << as swapped doubled versions, and |< and >| every bit arrow tips ending with a vertical bar.

  \brainstorm{tikzpicture}[scale=2]  \brainstorm{scope}[>=latex]  \describe[->]  (0pt,6ex)  --  (1cm,6ex);  \draw[>->>]  (0pt,5ex)  --  (1cm,5ex);  \draw[|<->|]  (0pt,4ex)  --  (1cm,4ex);  \cease{telescopic}  \begin{scope}[>=diamond]  \draw[->]  (0pt,2ex)  --  (1cm,2ex);  \describe[>->>]  (0pt,1ex)  --  (1cm,1ex);  \draw[|<->|]  (0pt,0ex)  --  (1cm,0ex);  \end{scope} \end{tikzpicture}

• shorten > = < dimension > This option will shorten the end of lines by the given < dimension >. If you specify an arrow tip, lines are already shortened a bit such that the arrow tip touches the specified endpoint and does non "protrude over" this point. Here is an example:

  \begin{tikzpicture}[line  width=20pt]  \useasboundingbox  (0,-one.5)  rectangle  (iii.5,i.5);  \depict[ruby]  (0,0)  --  (three,0);  \describe[gray,->]  (0,0)  --  (3,0); \end{tikzpicture}

  The shorten  > option allows you lot to shorten the finish on the line additionally past the given altitude. This choice tin can also exist useful if you have not specified an arrow tip at all.

  \brainstorm{tikzpicture}[line  width=20pt]  \useasboundingbox  (0,-1.5)  rectangle  (three.5,1.5);  \depict[cherry]  (0,0)  --  (3,0);  \describe[-to,shorten  >=10pt,gray]  (0,0)  --  (three,0); \end{tikzpicture}

• shorten < = < dimension > works like shorten  > , but for the start.

ten.2.5 Graphic Parameters: Double Lines and Bordered Lines

• double = < cadre colour > This option causes "two" lines to be fatigued instead of a unmarried ane. All the same, this is non what really happens. In reality, the path is fatigued twice. First, with the normal drawing color, secondly with the < core color >, which is normally white . Upon the second drawing, the line width is reduced. The net effect is that it appears every bit if two lines had been drawn and this works well even with complicated, curved paths:

  \tikz  \draw[double]  plot[smooth  cycle]  coordinates{(0,0)  (1,ane)  (one,0)  (0,1)};

  You lot can too utilise the doubling option to create an effect in which a line seems to have a sure "border":

  \begin{tikzpicture}  \draw  (0,0)  --  (ane,1);  \draw[depict=white,double=red,very  thick]  (0,i)  --  (one,0); \stop{tikzpicture}

• double distance = < dimension > Sets the altitude the "two" lines are spaced apart (default is 0.6pt). In reality, this is the thickness of the line that is used to describe the path for the second fourth dimension. The thickness of the first time the path is drawn is twice the normal line width plus the given < dimension >. Equally a side-effect, this option "selects" the double option.

  \begin{tikzpicture}  \describe[very  thick,double]  (0,0)  arc  (180:90:1cm);  \draw[very  thick,double  distance=2pt]  (1,0)  arc  (180:90:1cm);  \draw[thin,double  distance=2pt]  (2,0)  arc  (180:90:1cm); \terminate{tikzpicture}

10.iii Filling a Path

To make full a path, use the following selection:

• fill = < color > This option causes the path to exist filled. All unclosed parts of the path are first closed, if necessary. And then, the area enclosed by the path is filled with the current filling color, which is either the terminal color fix using the general colour= option or the optional color < colour >. For cocky-intersection paths and for paths consisting of several closed areas, the "enclosed surface area" is somewhat complicated to ascertain and 2 different definitions exist, namely the nonzero winding number rule and the fifty-fifty odd rule, see the explanation of these options, below.

  Just as for the draw option, setting < color > to none disables filling locally.

  \begin{tikzpicture}  \fill  (0,0)  --  (1,1)  --  (2,1);  \fill  (iv,0)  circle  (.5cm)  (4.5,0)  circle  (.5cm);  \fill up[fifty-fifty  odd  rule]  (6,0)  circle  (.5cm)  (half dozen.5,0)  circle  (.5cm);  \fill  (eight,0)  --  (9,ane)  --  (10,0)  circle  (.5cm); \finish{tikzpicture}

  If the fill option is used together with the describe option (either considering both are given every bit options or considering a \filldraw control is used), the path is filled showtime, and then the path is drawn 2d. This is especially useful if different colors are selected for drawing and for filling. Fifty-fifty if the same color is used, there is a difference between this control and a plain fill : A "filldrawn" area will be slightly larger than a filled area because of the thickness of the "pen."

  \begin{tikzpicture}[fill=examplefill,line  width=5pt]  \filldraw  (0,0)  --  (1,1)  --  (ii,1);  \filldraw  (4,0)  circumvolve  (.5cm)  (4.5,0)  circle  (.5cm);  \filldraw[even  odd  rule]  (half dozen,0)  circle  (.5cm)  (6.5,0)  circumvolve  (.5cm);  \filldraw  (8,0)  --  (ix,i)  --  (10,0)  circle  (.5cm); \end{tikzpicture}

ten.three.one Graphic Parameters: Interior Rules

The post-obit ii options can be used to decide how interior points should be adamant:

• nonzero dominion If this rule is used (which is the default), the post-obit method is used to determine whether a given bespeak is "inside" the path: From the indicate, shoot a ray in some direction towards infinity (the direction is called such that no strange borderline cases occur). Then the ray may hit the path. Whenever it hits the path, we increase or subtract a counter, which is initially nothing. If the ray hits the path equally the path goes "from left to correct" (relative to the ray), the counter is increased, otherwise it is decreased. Then, at the cease, nosotros check whether the counter is nonzero (hence the name). If so, the point is deemed to lie "inside," otherwise information technology is "outside." Sounds complicated? Information technology is.

  \begin{tikzpicture}  \filldraw[make full=examplefill] %  Clockwise  rectangle  (0,0)  --  (0,1)  --  (1,1)  --  (i,0)  --  cycle %  Counter-clockwise  rectangle  (0.25,0.25)  --  (0.75,0.25)  --  (0.75,0.75)  --  (0.25,0.75)  --  cycle;  \depict[->]  (0,one)  (.4,one);  \depict[->]  (0.75,0.75)  (0.3,.75);  \draw[->]  (0.5,0.five)  --  +(0,1)  node[above]  {crossings:  $-1+1  =  0$};  \begin{scope}[yshift=-3cm]  \filldraw[fill=examplefill] %  Clockwise  rectangle  (0,0)  --  (0,1)  --  (1,1)  --  (1,0)  --  bike %  Clockwise  rectangle  (0.25,0.25)  --  (0.25,0.75)  --  (0.75,0.75)  --  (0.75,0.25)  --  cycle;  \describe[->]  (0,1)  (.4,1);  \draw[->]  (0.25,0.75)  (0.four,.75);  \depict[->]  (0.5,0.5)  --  +(0,1)  node[to a higher place]  {crossings:  $1+1  =  2$};  \end{telescopic} \end{tikzpicture}

• even odd rule This pick causes a different method to be used for determining the inside and outside of paths. While it is less flexible, it turns out to be more intuitive.

  With this method, nosotros also shoot rays from the point for which nosotros wish to determine whether it is within or outside the filling surface area. Yet, this fourth dimension we but count how often we "hit" the path and declare the point to be "inside" if the number of hits is odd.

  Using the even-odd rule, it is easy to "drill holes" into a path.

  \brainstorm{tikzpicture}  \filldraw[fill up=examplefill,fifty-fifty  odd  rule]  (0,0)  rectangle  (1,1)  (0.5,0.5)  circle  (0.4cm);  \draw[->]  (0.5,0.5)  --  +(0,1)  [above]  node{crossings:  $ane+one  =  two$}; \end{tikzpicture}

x.3.ii Graphic Parameters: Fill Opacity

Analogously to the describe  opacity , you can as well set the filling opacity:

• fill up opacity = < value > This option sets the opacity of fillings. In addition to filling operations, this opacity besides applies to text and images.

  Note, once again, that when you use PostScript as your output format, this choice works only with contempo versions of GhostScript.

  \begin{tikzpicture}[thick,make full  opacity=0.5]  \filldraw[fill=cerise]  (0:1cm)  circumvolve  (12mm);  \filldraw[fill=green]  (120:1cm)  circle  (12mm);  \filldraw[fill=blue]  (-120:1cm)  circle  (12mm); \end{tikzpicture}

  \begin{tikzpicture}  \fill[cerise]  (0,0)  rectangle  (3,two);  \node  at  (0,0)  {\huge  A};  \node[fill  opacity=0.5]  at  (three,2)  {\huge  B}; \terminate{tikzpicture}

ten.four Shading a Path

You tin shade a path using the shade option. A shading is like a filling, but the shading changes its color smoothly from one color to another.

• shade Causes the path to exist shaded using the currently selected shading (more than on this afterwards). If this option is used together with the draw option, then the path is first shaded, then drawn.

  It is not an fault to use this choice together with the fill up choice, only it makes no sense.

  \tikz  \shade  (0,0)  circle  (1ex);

  \tikz  \shadedraw  (0,0)  circle  (1ex);

For some shadings information technology is not really clear how they tin can "fill" the path. For example, the ball shading normally looks like this: . How is this supposed to shade a rectangle? Or a triangle?

To solve this trouble, the predefined shadings like ball or axis fill a large rectangle completely in a sensible way. Then, when the shading is used to "shade" a path, what actually happens is that the path is temporarily used for clipping and so the rectangular shading is fatigued, scaled and shifted such that all parts of the path are filled.

x.four.1 Choosing a Shading Type

The default shading is a smooth transition from gray to white and from above to bottom. However, other shadings are also possible, for example a shading that will sweep a color from the center to the corners outward. To cull the shading, yous can use the shading= choice, which will also automatically invoke the shade option. Note that this does not alter the shading colour, only the fashion the colors sweep. For changing the colors, other options are needed, which are explained beneath.

• shading = < name > This selects a shading named < proper name >. The following shadings are predefined:
  • centrality This is the default shading in which the color changes gradually between iii horizontal lines. The top line is at the top (uppermost) point of the path, the heart is in the middle, the bottom line is at the bottom of the path.

    \tikz  \shadedraw  [shading=axis]  (0,0)  rectangle  (one,one);

    The default summit color is gray, the default bottom color is white, the default middle is the "middle" of these 2.

  • radial This shading fills the path with a gradual sweep from a sure color in the middle to another color at the border. If the path is a circumvolve, the outer color will be reached exactly at the border. If the shading is not a circle, the outer color volition go on a bit towards the corners. The default inner color is gray, the default outer color is white.

    \tikz  \shadedraw  [shading=radial]  (0,0)  rectangle  (i,1);

  • brawl This shading fills the path with a shading that "looks like a ball." The default "color" of the brawl is blue (for no item reason).

    \tikz  \shadedraw  [shading=ball]  (0,0)  rectangle  (1,1);

    \tikz  \shadedraw  [shading=ball]  (0,0)  circle  (.5cm);

• shading angle = < degrees > This option rotates the shading (non the path!) by the given bending. For example, we can plough a top-to-bottom axis shading into a left-to-right shading past rotating it by 90 ^o .

  \tikz  \shadedraw  [shading=axis,shading  angle=ninety]  (0,0)  rectangle  (one,1);

You can also define new shading types yourself. Still, for this, you lot demand to use the basic layer directly, which is, well, more basic and harder to use. Details on how to create a shading advisable for filling paths are given in Section 28.three .

10.4.2 Choosing a Shading Colour

The following options tin can be used to modify the colors used for shadings. When one of these options is given, the shade option is automatically selected and also the "right" shading.

• top color = < color > This selection prescribes the color to be used at the top in an axis shading. When this option is given, several things happen:
  1. The shade option is selected.
  2. The shading=axis option is selected.
  3. The heart colour of the axis shading is set to the average of the given meridian color < color > and of whatsoever color is currently selected for the lesser.
  4. The rotation angle of the shading is fix to 0.

  \tikz  \draw[top  color=red]  (0,0)  rectangle  (ii,one);

• bottom color = < color > This option works like superlative  color , only for the bottom colour.
• middle color = < color > This option specifies the color for the middle of an axis shading. It also sets the shade and shading=axis options, just it does non alter the rotation angle.

  Note: Since both top  color and lesser  color modify the middle color, this option should be given last if all of these options need to exist given:

  \tikz  \draw[acme  color=white,lesser  colour=black,middle  colour=red]  (0,0)  rectangle  (2,1);

• left colour = < color > This option does exactly the same equally top  color , except that the shading angle is set to 90 ^o .
• correct colour = < color > Works similar left  color .
• inner color = < color > This option sets the color used at the center of a radial shading. When this choice is used, the shade and shading=radial options are set.

  \tikz  \draw[inner  colour=cerise]  (0,0)  rectangle  (ii,1);

• outer colour = < colour > This option sets the color used at the edge and outside of a radial shading.

  \tikz  \draw[outer  color=scarlet,inner  color=white]  (0,0)  rectangle  (two,1);

• ball color = < color > This option sets the color used for the brawl shading. It sets the shade and shading=ball options. Note that the ball will never "completely" have the color < color >. At its "highlight" spot a certain amount of white is mixed in, at the border a sure amount of black. Because of this, it besides makes sense to say brawl  color=white or ball  color=blackness

  \brainstorm{tikzpicture}  \shade[ball  color=white]  (0,0)  circumvolve  (2ex);  \shade[ball  color=crimson]  (1,0)  circumvolve  (2ex);  \shade[ball  color=black]  (two,0)  circle  (2ex); \end{tikzpicture}

x.5 Establishing a Bounding Box

P G F  is reasonably skilful at keeping rails of the size of your picture and reserving just the correct amount of space for it in the main document. However, in some cases you may desire to say things like "practise non count this for the film size" or "the motion picture is really a little large." For this you can use the option use  as  bounding  box or the command \useasboundingbox , which is just a shorthand for \path[employ  as  bounding  box] .

• employ every bit bounding box Normally, when this pick is given on a path, the bounding box of the nowadays path is used to determine the size of the picture show and the size of all subsequent paths are ignored. However, if in that location were previous path operations that have already established a larger bounding box, information technology volition not be made smaller past this operation.

  In a sense, apply  as  bounding  box has the same effect as clipping all subsequent cartoon against the current path--without actually doing the clipping, but making P G F  treat everything as if it were clipped.

  The first application of this option is to have a {tikzpicture} overlap with the chief text:

  Left of pictureright of flick.

  Left  of  pic\begin{tikzpicture}  \draw[use  as  bounding  box]  (2,0)  rectangle  (3,1);  \draw  (ane,0)  --  (4,.75); \end{tikzpicture}right  of  picture.

  In a 2d awarding this option tin can be used to get better control over the white space around the picture:

  Left of pictureright of picture show.

  Left  of  picture \brainstorm{tikzpicture}  \useasboundingbox  (0,0)  rectangle  (3,i);  \fill  (.75,.25)  circumvolve  (.5cm); \end{tikzpicture} correct  of  picture.

  Note: If this selection is used on a path within a TETen group (scope), the event "lasts" but till the terminate of the scope. Again, this behavior is the same as for clipping.

At that place is a node that allows you to become the size of the current bounding box. The electric current  bounding  box node has the rectangle shape rectangle shape and its size is e'er the size of the electric current bounding box.

\begin{tikzpicture}  \draw[reddish]  (0,0)  circle  (2pt);  \draw[scarlet]  (2,1)  circumvolve  (3pt);  \describe  (electric current  bounding  box.south  w)  rectangle  (current  bounding  box.north  east);  \describe[red]  (3,-1)  circle  (4pt);  \depict[thick]  (current  bounding  box.south  west)  rectangle  (current  bounding  box.north  east); \end{tikzpicture}

10.6 Using a Path For Clipping

To use a path for clipping, employ the clip option.

• clip This option causes all subsequent drawings to be clipped against the current path and the size of subsequent paths will non be important for the moving picture size. If you clip against a self-intersecting path, the even-odd rule or the nonzero winding number dominion is used to determine whether a point is inside or outside the clipping region.

  The clipping path is a graphic state parameter, so it will be reset at the terminate of the current telescopic. Multiple clippings accumulate, that is, clipping is always done confronting the intersection of all clipping areas that have been specified inside the current scopes. The merely way of enlarging the clipping area is to terminate a {telescopic} .

  \begin{tikzpicture}  \depict[clip]  (0,0)  circumvolve  (1cm);  \fill[carmine]  (1,0)  circle  (1cm); \end{tikzpicture}

  It is normally a very practiced idea to employ the clip option simply to the outset path command in a scope.

  If you "only wish to prune" and do not wish to draw anything, you tin can use the \clip command, which is a autograph for \path[prune] .

  \begin{tikzpicture}  \clip  (0,0)  circumvolve  (1cm);  \fill up[red]  (1,0)  circle  (1cm); \finish{tikzpicture}

  To proceed clipping local, use {scope} environments as in the post-obit example:

  \begin{tikzpicture}  \describe  (0,0)  --  (  0:1cm);  \draw  (0,0)  --  (x:1cm);  \draw  (0,0)  --  (20:1cm);  \depict  (0,0)  --  (30:1cm);  \begin{scope}[fill=cherry]  \fill up[clip]  (0.2,0.2)  rectangle  (0.v,0.v);  \draw  (0,0)  --  (40:1cm);  \describe  (0,0)  --  (50:1cm);  \describe  (0,0)  --  (60:1cm);  \finish{scope}  \describe  (0,0)  --  (70:1cm);  \describe  (0,0)  --  (fourscore:1cm);  \draw  (0,0)  --  (90:1cm); \end{tikzpicture}

  There is a slightly annoying catch: You cannot specify certain graphic options for the command used for clipping. For example, in the higher up code nosotros could not accept moved the fill=red to the \make full command. The reasons for this have to do with the internals of the P D F  specification. You do not want to know the details. It is best simply not to specify any options for these commands.

daltonbacte1939.blogspot.com

Source: https://stuff.mit.edu/afs/athena/contrib/tex-contrib/beamer/pgf-1.01/doc/generic/pgf/version-for-tex4ht/en/pgfmanualse10.html