Convertir imagen a código (¿TikZ? ¿PSTricks?)

Question

Tengo un archivo...pdf, que contiene figuras de tramas como las siguientes:

Ahora bien, la segunda trama no es demasiado difícil de dibujar en TikZ (supongo... ¿espero? ¡No tengo ninguna experiencia aparte de dibujar circuitos!), pero son figuras como la primera imagen las que me preocupan más. . Quiero volver a dibujarlos en código (como en TikZ o en cualquier paquete) para que aparezcan en mayor calidad que si simplemente tomara una captura de pantalla y la publicara en mi documento LaTeX.

¿Existe alguna herramienta que pueda convertir automáticamente imágenes como estas en código? No tiene que ser perfecto, puedo modificarlo según sea necesario, solo me gustaría tener al menos el código básico listo para no tener que empezar de nuevo con cada uno de ellos. Incluso los ejemplos que se encuentran en línea no coinciden realmente con algo como la primera imagen, y prefiero no revisar montañas de ejemplos/pdfs/procedimientos para dibujar algo relativamente simple. Entonces, ¿cómo puedo abordar algo como el primer dibujo en código fácilmente, es decir, convertirlo en código compilable? ¡Cualquier ayuda sería apreciada!

Answer 1

Recomendaría una combinación de herramientas:

1. paisaje de tinta
2. svg2tikz

Una vez que instale Inkscape, puede colocar svg2tikz en su ./config/inkscape/extensionsdirectorio y reiniciar el programa para obtener esta funcionalidad. Ahora, sólo necesitas convertir el mapa de bits en un vector. Inkscape tiene esta funcionalidad incorporada (versión 0.48).

Instrucciones paso a paso:

1. Importar mapa de bitsFile->Import
2. Seleccione mapa de bits y elijaPath->Trace Bitmap
3. Ajusta las opciones a tu gusto, dependiendo de la imagen eran mis opciones
   • escaneo único, límite de brillo de 0,8
   • suprimir motas a 6px
   • Esquinas suaves a 1.00
   • Optimizar rutas a las 5.00
4. Seleccione la ruta recién creada. Es posible que desee elegir Path->Simplifyen este punto, pero creo que el algoritmo de simplificación de Inkscape es demasiado agresivo.
5. También es posible que desees separar la ruta en regiones usando Path->Break Apart. Esto causará cierta consternación cuando tenga blanco sobre negro como en '0' o 'B'. Debes elegir las subrutas que realmente deseas y volver a combinarlas usando Path->Exclusion.
6. Retoca la imagen. Recomendaría reemplazar las letras/números con texto real y posiblemente reemplazar los ejes con líneas simples con trazos. Esto reducirá en gran medida el tamaño total de su ruta tikz.
7. Exporte el gráfico usando Extensions->Export->Export to TiKZ path Los resultados se muestran a continuación.

Hice un par de modificaciones para ajustarme al límite de 40.000 caracteres de SE. Reemplacé el texto antes de exportar y luego agregué las etiquetas de los ejes a mano. Solo publiqué el código para el primero, pero puse ambas imágenes a continuación. El procedimiento es el mismo. También trunqué la salida decimal de la exportación a 2 dígitos (en lugar de 4) usando grep.

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