labels and tables

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Motiejus Jakštys 2021-05-19 22:57:50 +03:00 committed by Motiejus Jakštys
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@ -285,7 +285,7 @@ simplification for scale 1:\numprint{50000} and especially for
\includegraphics[width=\textwidth]{salvis-visvalingam-64-50k} \includegraphics[width=\textwidth]{salvis-visvalingam-64-50k}
\caption{Using {\VW}.} \caption{Using {\VW}.}
\end{subfigure} \end{subfigure}
\caption{Generalized using classical algorithms (1:\numprint{50000}).} \caption{Simplified using classical algorithms (1:\numprint{50000}).}
\label{fig:salvis-generalized-50k} \label{fig:salvis-generalized-50k}
\end{figure} \end{figure}
@ -300,14 +300,14 @@ figure~\onpage{fig:salvis-generalized-chaikin-50k}.
\centering \centering
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
\includegraphics[width=\textwidth]{salvis-douglas-64-chaikin-50k} \includegraphics[width=\textwidth]{salvis-douglas-64-chaikin-50k}
\caption{{\DP} + Chaikin's.} \caption{{\DP} and Chaikin's.}
\end{subfigure} \end{subfigure}
\hfill \hfill
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
\includegraphics[width=\textwidth]{salvis-visvalingam-64-chaikin-50k} \includegraphics[width=\textwidth]{salvis-visvalingam-64-chaikin-50k}
\caption{{\VW} + Chaikin's.} \caption{{\VW} and Chaikin's.}
\end{subfigure} \end{subfigure}
\caption{Generalized and smoothened river (1:\numprint{50000}).} \caption{Simplified and smoothened river (1:\numprint{50000}).}
\label{fig:salvis-generalized-chaikin-50k} \label{fig:salvis-generalized-chaikin-50k}
\end{figure} \end{figure}
@ -315,18 +315,18 @@ figure~\onpage{fig:salvis-generalized-chaikin-50k}.
\centering \centering
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
\includegraphics[width=\textwidth]{salvis-overlaid-douglas-64-chaikin-50k} \includegraphics[width=\textwidth]{salvis-overlaid-douglas-64-chaikin-50k}
\caption{{\DP} + Chaikin's.} \caption{{\DP} and Chaikin's.}
\end{subfigure} \end{subfigure}
\hfill \hfill
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
\includegraphics[width=\textwidth]{salvis-overlaid-visvalingam-64-chaikin-50k} \includegraphics[width=\textwidth]{salvis-overlaid-visvalingam-64-chaikin-50k}
\caption{{\VW} + Chaikin's.} \caption{{\VW} and Chaikin's.}
\end{subfigure} \end{subfigure}
\caption{Zoomed-in generalized and smoothened river + original.} \caption{Zoomed-in simplified and smoothened river and original.}
\label{fig:salvis-overlaid-generalized-chaikin-50k} \label{fig:salvis-overlaid-generalized-chaikin-50k}
\end{figure} \end{figure}
The resulting generalized and smoothened example The resulting simplified and smoothened example
(figure~\onpage{fig:salvis-generalized-chaikin-50k}) yields a more (figure~\onpage{fig:salvis-generalized-chaikin-50k}) yields a more
aesthetically pleasing result, however, it obscures natural river features. aesthetically pleasing result, however, it obscures natural river features.
Given the absence of rocks, the only natural features that influence the river Given the absence of rocks, the only natural features that influence the river
@ -433,7 +433,7 @@ following cartographic problems from our examples:
\end{description} \end{description}
Like discussed in section~\label{sec:from-simplification-to-generalization}, we Like discussed in section~\ref{sec:from-simplification-to-generalization}, we
limiting the problem to cartographic line generalization. That is, full limiting the problem to cartographic line generalization. That is, full
cartographic generalization, which takes topology and other feature classes cartographic generalization, which takes topology and other feature classes
into account, is out of scope. into account, is out of scope.
@ -445,7 +445,9 @@ exaggerated.
\begin{figure}[h] \begin{figure}[h]
\centering \centering
\includegraphics[width=.8\textwidth]{wang125} \includegraphics[width=.8\textwidth]{wang125}
\caption{Originally Figure 12.5 from \cite{wang1998line}.}
\caption{Originally figure 12.5: cartographic line generalization example.}
\label{fig:wang125} \label{fig:wang125}
\end{figure} \end{figure}
@ -517,10 +519,9 @@ throughout this paper and the implementation.
quadruples. quadruples.
$O$ notation was first suggested by $O$ notation was first suggested by
Bachmann\cite{bachmann1894analytische} and Bachmann\cite{bachmann1894analytische} and Landau\cite{landau1911} in
Landau\cite{landau1911} in late XIX'th century, and clarified late \textsc{xix} century, and clarified and popularized for
and popularized for computing science by Donald computing science by Donald Knuth\cite{knuth1976big} in the 1970s.
Knuth\cite{knuth1976big} in the 1970s.
\end{description} \end{description}
@ -551,10 +552,10 @@ the implementation:
\begin{itemize} \begin{itemize}
\item Created a function \textsc{wm\_exaggeration}, which exaggerates bends \item Created a function \textsc{wm\_exaggeration}, which exaggerates bends
following the rules. It worked well over simple geometries, but, due to following the rules. It worked well over simple geometries, but, due to a
a subtle bug, created a self-crossing bend in Visinčia. We copied the subtle bug, created a self-crossing bend in Visinčia. We copied the
offending bend to the automated test suite and fixed the bug. The test offending bend to the automated test suite and fixed the bug. The test
suite has the bend itself (a hook-like bend on the right-hand side of suite has the bend itself (a hook-looking bend on the right-hand side of
figure~\ref{fig:test-figures}) and code to verify that it was correctly figure~\ref{fig:test-figures}) and code to verify that it was correctly
exaggerated. exaggerated.
@ -672,14 +673,14 @@ of 45cm (1.5 feet) is 1.5mm, as analyzed in \titlecite{mappingunits}.
In our case, our target is line bend, rather than a symbol. Assume 1.5mm is a In our case, our target is line bend, rather than a symbol. Assume 1.5mm is a
diameter of the bend. A semi-circle of 1.5mm diameter is depicted in diameter of the bend. A semi-circle of 1.5mm diameter is depicted in
figure~\ref{fig:half-circle}. In other words, a bend of this size or larger, figure~\ref{fig:half-circle}. In other words, a bend of this size or larger,
when adjusted to scale, will not be generalized. when adjusted to scale, will not be simplified.
\begin{figure}[h] \begin{figure}[h]
\centering \centering
\begin{tikzpicture}[x=1mm,y=1mm] \begin{tikzpicture}[x=1mm,y=1mm]
\draw[] (-10, 0) -- (-.75,0) arc (225:-45:.75) -- (10, 0); \draw[] (-10, 0) -- (-.75,0) arc (225:-45:.75) -- (10, 0);
\end{tikzpicture} \end{tikzpicture}
\caption{Smallest feature that will be not generalized (to scale).} \caption{Smallest feature that will be not simplified (to scale).}
\label{fig:half-circle} \label{fig:half-circle}
\end{figure} \end{figure}
@ -691,14 +692,13 @@ table~\ref{table:scale-halfcirlce-diameter}.
\begin{table}[h] \begin{table}[h]
\centering \centering
\begin{tabular}{| c | D{.}{.}{1} |} \begin{tabular}{ c D{.}{.}{1} }
\hline Scale & \multicolumn{1}{c}{$D(m)$} \\ \hline
Scale & \multicolumn{1}{c|}{$D(m)$} \\ \hline 1:\numprint{10000} & 15 \\
1:\numprint{10000} & 15 \\ \hline 1:\numprint{15000} & 22.5 \\
1:\numprint{15000} & 22.5 \\ \hline 1:\numprint{25000} & 37.5 \\
1:\numprint{25000} & 37.5 \\ \hline 1:\numprint{50000} & 75 \\
1:\numprint{50000} & 75 \\ \hline 1:\numprint{250000} & 375 \\
1:\numprint{250000} & 375 \\ \hline
\end{tabular} \end{tabular}
\caption{{\WM} half-circle diameter $D$ for popular scales.} \caption{{\WM} half-circle diameter $D$ for popular scales.}
\label{table:scale-halfcirlce-diameter} \label{table:scale-halfcirlce-diameter}
@ -715,7 +715,7 @@ from circle's area formula $A = 2\pi \frac{D}{2}^2$:
In reverse, adjusted size $A_{adj}$ from half-circle's diameter: In reverse, adjusted size $A_{adj}$ from half-circle's diameter:
\[ \[
A_{adj} = \frac{1}{8} \pi D^2 A_{adj} = \frac{\pi D^2}{8}
\] \]
\subsection{Definition of a Bend} \subsection{Definition of a Bend}
@ -806,8 +806,7 @@ vertices to the next bend.
\includegraphics[width=\textwidth]{inflection-1-gentle-inflection-after} \includegraphics[width=\textwidth]{inflection-1-gentle-inflection-after}
\caption{After applying the inflection rule.} \caption{After applying the inflection rule.}
\end{subfigure} \end{subfigure}
\caption{Gentle inflection at the end of the bend when multiple vertices \caption{Gentle inflection at the end of the bend with multiple vertices.}
are moved.}
\label{fig:inflection-1-gentle-inflection} \label{fig:inflection-1-gentle-inflection}
\end{figure} \end{figure}