How to make the subfloat below and centered with the Figures

Question

I'm new to using Latex and I have a question. How to make the subfloat below and centered with the Figures? Follow the code and images of the assembly using 2 and 3 figures.
WITH 2 FIGURES
begin{landscape}
begin{figure}[!h]
    centering
    caption{Modelo físico de placa plana isotérmica imersa em domínio de ar em (a) vista isométrica e (b) vista superior.}
        subfloat(a)
        {includegraphics[width=0.5columnwidth]{Capitulo4/Figuras/placaplana1.png}}
        qquad
        subfloat(b) {includegraphics[width=0.4columnwidth]{Capitulo4/Figuras/placaplana2.png}}
    label{fig:placaplana1}
legend{Fonte: Próprio Autor.}
end{figure}
end{landscape}

WITH 3 FIGURES
begin{landscape}
begin{figure}[!h]
    centering
    caption{Vistas (a) superior total, (b) superior com um quatro de domínio por dupla simetria em relação aos eixos y e z e (c) frontal, da placa corrugada e objeto de estudo desta tese.}
        subfloat(a) {includegraphics[width=0.46columnwidth]{Capitulo4/Figuras/placacorrugada1.png}}
        qquad
        subfloat(b) {includegraphics[width=0.44columnwidth]{Capitulo4/Figuras/placacorrugada2.png}}
        qquad
        subfloat(c) {includegraphics[width=0.95columnwidth]{Capitulo4/Figuras/placacorrugada3.png}}
    label{fig:modeloplacaretangular}
legend{Fonte: Próprio Autor.}
end{figure}
end{landscape}

Attached images follow.
Thank you all for the attention.

leandriis · Answer

The syntax of the subfloat command you tried to use in your original code does not match the syntax that is edfined in the subfig or the subcaption package. Based on your comment "No package (s) " I assume, you actually did not include either subfig or subcaption in your document. Without one of the two packages, you should recieve Undefined control sequence. subfloat upon trying to compile your document. Once you recuieve an error message, do not look at the output. Even if you get something that on first glance resembles a pdf file, there can still be issues with it. After an error, TeX only tries to recover enough to syntax check more of the file, it does not try to make sensible output after an error. Therefore, please don't ignore error messages but try to fixt them, before worrying about dapting the output. The correct syntax of the subfloat command is as follows: subfloat[][]{} is optional and refers to the caption text that is added to the list of figures/tables is optional as well and refers to the caption text (not the number!) that is added with your image. If you want an output such as "(a) my subcaption text here", use subfloat[my subcaption text here]{}. If you just want to get an output such as "(a)", use subfloat[]{} with an empty optional argument. refers to the correpsonding image/tabular In the following MWE, I have corrected the syntax of subfloat according teh the above explanations. I have also used subfre in order to refer to induvidual subfigures in the main caption. If you decide to rearrange the figures (e.g. swith subfigure a and b) there is no need to alter the main captions, as the letters will adapt automatically. With captionsetup[subfigure]{position=bottom} I made sure the subcaptions are placed below the corresponding images. In the second example, I have slighlty altered the widths of the images and additionally slightly changes the spacing in order to allow for an improved horizonal alignment. The left edges of image a and c are now aligned, likewise the right edges of image b and c. documentclass{article} usepackage[demo]{graphicx} % do not use the demo option in your real document! usepackage{pdflscape} usepackage{subcaption} captionsetup[subfigure]{position=bottom} begin{document} begin{landscape} begin{figure}[!h] centering caption{Vistas (subref{placacorrugada1}) superior total, (subref{placacorrugada2}) superior com um quatro de domínio por dupla simetria em relação aos eixos y e z e (subref{placacorrugada3}) frontal, da placa corrugada e objeto de estudo desta tese.} label{fig:modeloplacaretangular} subfloat[my subcaption text]{includegraphics[width=0.46columnwidth]{Capitulo4/Figuras/placacorrugada1.png}label{placacorrugada1}} qquad subfloat[my subcaption text]{includegraphics[width=0.44columnwidth]{Capitulo4/Figuras/placacorrugada2.png}label{placacorrugada2}} subfloat[my subcaption text]{includegraphics[width=0.95columnwidth]{Capitulo4/Figuras/placacorrugada3.png}label{placacorrugada3}} %legend{Fonte: Próprio Autor.} % commented out because I don't know where/how it is defined in your original document. end{figure} end{landscape} begin{landscape} begin{figure}[!h] centering caption{Vistas (subref{placacorrugada1}) superior total, (subref{placacorrugada2}) superior com um quatro de domínio por dupla simetria em relação aos eixos y e z e (subref{placacorrugada3}) frontal, da placa corrugada e objeto de estudo desta tese.} subfloat[]{includegraphics[width=0.45linewidth]{Capitulo4/Figuras/placacorrugada1.png}label{placacorrugada1}} hfill subfloat[]{includegraphics[width=0.45linewidth]{Capitulo4/Figuras/placacorrugada2.png}label{placacorrugada2}} subfloat[]{includegraphics[width=linewidth]{Capitulo4/Figuras/placacorrugada3.png}label{placacorrugada3}} label{fig:modeloplacaretangular} %legend{Fonte: Próprio Autor.} end{figure} end{landscape} end{document}

How to make the subfloat below and centered with the Figures

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