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Converter imagem em código (TikZ? PSTricks?)

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Converter imagem em código (TikZ? PSTricks?)

Tenho um arquivo ... pdf, que contém figuras de parcelas como as seguintes:

insira a descrição da imagem aqui

insira a descrição da imagem aqui

Agora, o segundo enredo não é muito difícil de desenhar no TikZ (presumo... espero? Não tenho nenhuma experiência além de desenhar circuitos!), mas são figuras como a primeira imagem que me preocupam mais. . Quero redesenhá-los em código (como no TikZ ou em qualquer pacote, na verdade) para que apareçam em maior qualidade do que se eu apenas tirasse uma captura de tela e a publicasse em meu documento LaTeX.

Existe alguma ferramenta que possa converter automaticamente imagens como essas em código? Não precisa ser perfeito, posso ajustá-lo conforme necessário, gostaria apenas que pelo menos o código básico fosse feito para não ter que começar de novo com cada um deles. Mesmo os exemplos encontrados on-line não correspondem realmente a algo como a primeira imagem, e prefiro não percorrer montanhas de exemplos/pdfs/como fazer para desenhar algo relativamente simples. Então, como posso lidar facilmente com algo como o primeiro desenho no código, ou seja, convertê-lo em código compilável? Qualquer ajuda seria apreciada!

Responder1

Eu recomendaria uma combinação de ferramentas:

  1. Inkscape
  2. svg2tikz

Depois de instalar o Inkscape, você pode colocar svg2tikz em seu ./config/inkscape/extensionsdiretório e reiniciar o programa para obter esta funcionalidade. Agora, você só precisa converter o bitmap em um vetor. O Inkscape possui esta funcionalidade integrada (versão 0.48).

Instruções passo a passo:

  1. Importar bitmapFile->Import
  2. Selecione bitmap e escolhaPath->Trace Bitmap
  3. Ajuste as opções ao seu gosto, dependendo da imagem minhas opções foram
    • varredura única, corte de brilho de 0,8
    • suprimir manchas em 6px
    • Cantos suaves a 1,00
    • Otimize caminhos às 5h00
  4. Selecione o caminho recém-criado. Você pode querer escolher Path->Simplifyneste ponto, mas acho que o algoritmo de simplificação do Inkscape é excessivamente agressivo.
  5. Você também pode separar o caminho em regiões usando Path->Break Apart. Isso causará alguma consternação onde você tiver branco sobre preto como em '0' ou 'B'. Você deve escolher os subcaminhos que realmente deseja e recombiná-los usando Path->Exclusion.
  6. Retoque a imagem. Eu recomendo substituir as letras/números pelo texto real, bem como possivelmente substituir os eixos por linhas únicas e traçadas. Isso reduzirá bastante o tamanho geral do seu caminho tikz.
  7. Exporte o gráfico usando Extensions->Export->Export to TiKZ path Os resultados estão abaixo.

Fiz algumas modificações para caber no limite de 40.000 caracteres do SE. Substituí o texto antes de exportar e adicionei os rótulos dos eixos manualmente. Publiquei apenas o código do primeiro, mas coloquei as duas saídas de imagem abaixo. O procedimento é o mesmo. Também trunquei a saída decimal da exportação para 2 dígitos (em vez de 4) usando grep.

Primeiro enredo Segunda parcela

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