.png)
我试图得到旧的罗马徽记（SPQR）。我其实对月桂叶感兴趣，对横幅不太感兴趣本身。
我希望有类似的东西（在 中Tikz，而不是简单的\includegraphics）。并可以将样式更改A为任何其他简单的罗马字母。
我是 TikZ 的新手，尽管我知道这个问题听起来像帮我做这件事，如果有人能至少画出从哪里开始的草图，我将非常感激。
答案1
首先，在 Paint 中清理位图，删除不需要的部分，然后将文件保存为.bmp。例如
使用 POTrace 进行跟踪
然后下载波特雷斯在命令窗口中只需输入
potrace <filename>.bmp
这样就可以得到矢量文件格式.eps（我可以选择将其转换为 PDF 以方便使用）。轨迹的质量与图形的复杂性成反比。有时令人惊叹，有时却令人困惑。
转换为 TikZ 代码
下载并安装 Inkscape。将 Inkscape 添加到 TikZ 导出器扩展中此链接。从左侧面板底部的外部链接下载tikz_export.py, tikz_export_effect.inx、 和。将它们放在Inkscape 安装目录内的目录中。tikz_export_output.inxshare-->extension
从菜单导出：Extension -> Export -> Export to TikZ path。出现一个选项窗口。选择您的选项并从那里导出（按规范导出到文件中，或导出到剪贴板中）。
因此我们得到
这是我得到的结果文件。
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我想重新表述一下；
TikZ 不是一个绘画程序;)
答案2
在这里我想描述另一个（不是更好，但与 @percusse 的工作流程不同）的工作流程，该工作流程仅适用于徽标/字形类型的绘图。此工作流程仅使用在线工具。
- 我在网上搜索该绘图的现有 SVG 版本。我谷歌搜索“刺客信条古罗马徽章”，但没有找到。
- 如果找不到，我会在线将位图图像转换为 svg，例如通过谷歌搜索“convert png svg”。有很多工具，其中一些（大多数）使用波特雷斯比如 InkScape。在这个例子中，我使用了online-convert.com获得这个 SVG。
- 我使用在线版本的SVGO。
对于这个特殊的例子，使用“precision：0”和“Prefer viewBox to width/height”来获得这个一半大小SVG。 - 要从 SVG 转换为 TikZ，我使用SVGPathy 游乐场。
将整个 svg 复制/粘贴至上方文本区域；
选择
Remove Arcs，Transformation : scale(1,-1)然后Output type : One TikZ path per line（新功能：您可以选择Full TikZ in standalone并更快地获得最终结果）；从底部文本区域复制结果；
将结果代码包装在
\documentclass[tikz,border=7pt]{standalone} \usetikzlibrary{svg.path} \begin{document} \begin{tikzpicture} % the code generated with SVGPathy goes here \end{tikzpicture} \end{document}
这是最终结果（有关附加选项，请参阅最后的注释）。
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\usetikzlibrary{svg.path}
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\end{document}
注释和免责声明
- 我是SVGPathy基于SVG路径。
- SVGPathy 仅设计用于 svg 路径，而不适用于一般 svg 图像，因此它仅适用于简单的徽标/字形图像。
- 我已经在 SVGPathy 中检查了选项
Remove arcs（将圆弧命令转换为三次曲线），因为其他地方svg.path都有抱怨! Dimension too large. <recently read> \pgfmath@x。 - 这里进行转换
Transformation : scale(1,-1)是因为 SVG 和 TikZ 对于 y 轴向上/向下的约定不同。您无需在转换时进行更正，只需输入 tikz 即可[yscale=-1]。 - 对于最终图像，我使用
View Box : 0 0 100 100将坐标缩小到[0,100]。我选择了precision:1和Zip It来减少代码大小。 - 即使您使用 @percusse 工作流程，我也强烈建议您在将 svg 转换为 tikz 之前对其进行优化。为此，您可以：
- 通过多次“取消分组”（快捷方式是 ）将所有变换应用于路径
Ctrl+Shift+G，如果需要，可以取消分组所有路径（使用 选择它们Ctrl+A）。 - 使用选项“保存类型：优化 SVG”将其保存在 InkScape 中。
- 使用SVGOMG以进一步优化它。
- 通过多次“取消分组”（快捷方式是 ）将所有变换应用于路径