more labels, less captions

This commit is contained in:
Motiejus Jakštys 2021-05-19 22:57:52 +03:00 committed by Motiejus Jakštys
parent d292985a6c
commit e16678444f
2 changed files with 45 additions and 54 deletions

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@ -153,9 +153,11 @@ RIVERS += salvis-$(1)-$(2)-$(3)-1x50k$(4)
salvis-$(1)-$(2)-$(3)-1x50k$(4)_1SELECT = wm_visuals where name='salvis-$(1)' salvis-$(1)-$(2)-$(3)-1x50k$(4)_1SELECT = wm_visuals where name='salvis-$(1)'
salvis-$(1)-$(2)-$(3)-1x50k$(4)_1COLOR = orange salvis-$(1)-$(2)-$(3)-1x50k$(4)_1COLOR = orange
salvis-$(1)-$(2)-$(3)-1x50k$(4)_1LABEL = $(label_$(1)) salvis-$(1)-$(2)-$(3)-1x50k$(4)_1LABEL = $(label_$(1))
$(if $(2),
salvis-$(1)-$(2)-$(3)-1x50k$(4)_2SELECT = wm_visuals where name='salvis-$(2)' salvis-$(1)-$(2)-$(3)-1x50k$(4)_2SELECT = wm_visuals where name='salvis-$(2)'
salvis-$(1)-$(2)-$(3)-1x50k$(4)_2COLOR = green salvis-$(1)-$(2)-$(3)-1x50k$(4)_2COLOR = green
salvis-$(1)-$(2)-$(3)-1x50k$(4)_2LABEL = $(label_$(2)) salvis-$(1)-$(2)-$(3)-1x50k$(4)_2LABEL = $(label_$(2))
,)
$(if $(3), $(if $(3),
salvis-$(1)-$(2)-$(3)-1x50k$(4)_3SELECT = wm_visuals where name='salvis-$(3)' salvis-$(1)-$(2)-$(3)-1x50k$(4)_3SELECT = wm_visuals where name='salvis-$(3)'
salvis-$(1)-$(2)-$(3)-1x50k$(4)_3LINESTYLE = dotted salvis-$(1)-$(2)-$(3)-1x50k$(4)_3LINESTYLE = dotted
@ -172,9 +174,9 @@ $(foreach x,vw64 dp64 vwchaikin64 dpchaikin64,\
$(eval $(call wm_vwdp50k,wm75,grpk50,grpk10)) $(eval $(call wm_vwdp50k,wm75,grpk50,grpk10))
$(eval $(call wm_vwdp50k,wm75,grpk50,grpk10,tr)) $(eval $(call wm_vwdp50k,wm75,grpk50,grpk10,tr))
$(eval $(call wm_vwdp50k,wm75,grpk10,,)) $(eval $(call wm_vwdp50k,wm75,,grpk10,))
$(eval $(call wm_vwdp50k,wm75,grpk10,,tr)) $(eval $(call wm_vwdp50k,wm75,,grpk10,tr))
$(eval $(call wm_vwdp50k,wm75,grpk10,,tl)) $(eval $(call wm_vwdp50k,wm75,,grpk10,tl))
salvis-25k_1SELECT = wm_visuals where name='salvis-grpk10' salvis-25k_1SELECT = wm_visuals where name='salvis-grpk10'
salvis-25k_WIDTHDIV = 1 salvis-25k_WIDTHDIV = 1

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@ -1394,38 +1394,38 @@ Our generalized results are viewed from the following angles:
\begin{figure}[h!] \begin{figure}[h!]
\centering \centering
\includegraphics[width=\textwidth]{salvis-wm75-grpk10--1x50k} \includegraphics[width=\textwidth]{salvis-wm75--grpk10-1x50k}
\caption{2x zoomed-in {\WM} for 1:\numprint{50000}.} \caption{2x zoomed-in {\WM} for 1:\numprint{50000}.}
\label{fig:salvis-wm75-grpk10--1x50k} \label{fig:salvis-wm75--grpk10-1x50k}
\end{figure} \end{figure}
As one can see in Figure~\ref{fig:salvis-wm75-grpk10--1x50k}, the illustrations deliver \begin{figure}[h!]
\centering
\includegraphics[width=\textwidth]{salvis-wm75--grpk10-1x50ktl}
\caption{Left part of Figure~\ref{fig:salvis-wm75--grpk10-1x50k}.}
\label{fig:salvis-wm75--grpk10-1x50ktl}
\end{figure}
\begin{figure}[h!]
\centering
\includegraphics[width=\textwidth]{salvis-wm75--grpk10-1x50ktr}
\caption{Top--right part of Figure~\ref{fig:salvis-wm75--grpk10-1x50k}.}
\label{fig:salvis-wm75--grpk10-1x50ktr}
\end{figure}
As one can see in Figure~\ref{fig:salvis-wm75--grpk10-1x50k}, the illustrations deliver
what was promised by the algorithm, but with a few caveats. Left side of the what was promised by the algorithm, but with a few caveats. Left side of the
figure looks reasonably well simplified: long bends remain slightly curved, figure looks reasonably well simplified: long bends remain slightly curved,
small bends are removed or slightly exaggerated. small bends are removed or slightly exaggerated.
Figure's~\ref{fig:salvis-wm75-grpk10--1x50k} left part is clipped to Figure's~\ref{fig:salvis-wm75--grpk10-1x50k} left part is clipped to
Figure~\ref{fig:salvis-wm75-grpk10--1x50ktl}. As one can see, some bends were well Figure~\ref{fig:salvis-wm75--grpk10-1x50ktl}. As one can see, some bends were well
exaggerated, and some bends were eliminated. exaggerated, and some bends were eliminated.
\begin{figure}[h!] Top--right side (clipped in Figure~\ref{fig:salvis-wm75--grpk10-1x50ktl}) some jagged
\centering
\includegraphics[width=\textwidth]{salvis-wm75-grpk10--1x50ktl}
\caption{Left part of Figure~\ref{fig:salvis-wm75-grpk10--1x50k}.}
\label{fig:salvis-wm75-grpk10--1x50ktl}
\end{figure}
Top--right side (clipped in Figure~\ref{fig:salvis-wm75-grpk10--1x50ktl}) some jagged
and sharp bends appear. These will become more pronounced in even larger-scale and sharp bends appear. These will become more pronounced in even larger-scale
simplification in the next section. simplification in the next section.
\begin{figure}[h!]
\centering
\includegraphics[width=\textwidth]{salvis-wm75-grpk10--1x50ktr}
\caption{Top--right part of Figure~\ref{fig:salvis-wm75-grpk10--1x50k}.}
\label{fig:salvis-wm75-grpk10--1x50ktr}
\end{figure}
To sum up, mid-scale simplification works well for some geometries, but creates To sum up, mid-scale simplification works well for some geometries, but creates
sharp edges for others. sharp edges for others.
@ -1487,8 +1487,8 @@ future research and improvement:
\subsubsection{Background} \subsubsection{Background}
There are a few datasets used in this comparison: GDB10LT, grpk50LT and There are a few datasets used in this comparison: GDB10LT, GRPK50 and
grpk250LT. They are vector datasets, which include rivers. They can be GRPK250. They are vector datasets, which include rivers. They can be
downloaded for free from \cite{nzt}. Here are the meanings of the codenames: downloaded for free from \cite{nzt}. Here are the meanings of the codenames:
\begin{description} \begin{description}
@ -1496,9 +1496,9 @@ downloaded for free from \cite{nzt}. Here are the meanings of the codenames:
\item[GDB10LT] is dataset of highest detail. Suited for maps of scale \item[GDB10LT] is dataset of highest detail. Suited for maps of scale
1:\numprint{10000}. 1:\numprint{10000}.
\item[grpk50LT] is suited for maps of scale 1:\numprint{50000}. \item[GRPK50] is suited for maps of scale 1:\numprint{50000}.
\item[grpk250LT] offers least detail, and is suited for maps of \item[GRPK250] offers least detail, and is suited for maps of
scale 1:\numprint{250000}. scale 1:\numprint{250000}.
\end{description} \end{description}
@ -1506,41 +1506,42 @@ downloaded for free from \cite{nzt}. Here are the meanings of the codenames:
During the analysis, we ran {\WM} on GDB10LT for 2 destination scales: During the analysis, we ran {\WM} on GDB10LT for 2 destination scales:
1:\numprint{50000} and 1:\numprint{250000}.\footnote{parameter calculation is 1:\numprint{50000} and 1:\numprint{250000}.\footnote{parameter calculation is
detailed in section~\ref{sec:bend-scaling-and-dimensions}.} This section detailed in section~\ref{sec:bend-scaling-and-dimensions}.} This section
compares the resulting {\WM}--generalized rivers to grpk50LT and grpk250LT. compares the resulting {\WM}--generalized rivers to GRPK50 and GRPK250.
\subsubsection{Medium-scale (1:\numprint{50000})} \subsubsection{Medium-scale (1:\numprint{50000})}
For our research location, the national dataset GDB10LT is almost equivalent to For our research location, the national dataset GDB10LT is almost equivalent to
grpk50LT, with a few nuances. Figure~\ref{fig:salvis-wm75-grpk50-grpk10} illustrates GRPK50, with a few nuances. Figure~\ref{fig:salvis-wm75-grpk50-grpk10-1x50k}
all three shapes: grpk50LT, {\WM}--simplified GDB10LT, and the original GDB10LT. illustrates all three shapes: GRPK50, {\WM}--simplified GDB10LT, and the
original GDB10LT.
\begin{figure}[h!] \begin{figure}[h!]
\centering \centering
\includegraphics[width=\textwidth]{salvis-wm75-grpk50-grpk10} \includegraphics[width=\textwidth]{salvis-wm75-grpk50-grpk10-1x50k}
\caption{2x zoomed-in grpk50LT (green), {\WM}--simplified GDB10LT (orange) \caption{GRPK10, GRPK50 and {\WM} for 1:\numprint{50000}.}
and original GDB10LT (dotted black).}
\label{fig:salvis-wm75-grpk50-grpk10} \label{fig:salvis-wm75-grpk50-grpk10-1x50k}
\end{figure} \end{figure}
\begin{figure}[h!] \begin{figure}[h!]
\centering \centering
\includegraphics[width=\textwidth]{salvis-wm75-grpk50-grpk10-1x50ktr} \includegraphics[width=\textwidth]{salvis-wm75-grpk50-grpk10-1x50ktr}
\caption{Top--right side of Figure~\ref{fig:salvis-wm75-grpk50-grpk10}.} \caption{Top--right side of Figure~\ref{fig:salvis-wm75-grpk50-grpk10-1x50k}.}
\label{fig:salvis-wm75-grpk50-grpk10-1x50ktr} \label{fig:salvis-wm75-grpk50-grpk10-1x50ktr}
\end{figure} \end{figure}
Although figures are almost identical, Figure~\ref{fig:salvis-wm75-grpk50-grpk10-1x50ktr} Although figures are almost identical,
illustrates two small bends that have been removed in grpk50LT, but have been Figure~\ref{fig:salvis-wm75-grpk50-grpk10-1x50ktr} illustrates two small bends
exaggerated by our implementation. that have been removed in GRPK50, but have been exaggerated by our
implementation.
\subsubsection{Large-scale (1:\numprint{250000})} \subsubsection{Large-scale (1:\numprint{250000})}
\label{sec:national-large-scale} \label{sec:national-large-scale}
Figure~\ref{fig:salvis-wm220} illustrates the original grpk250LT and the Figure~\ref{fig:salvis-wm220} illustrates the original GRPK250 and the
{\WM}--simplified version. As section~\ref{sec:analyzed-large-scale} explains, {\WM}--simplified version. As section~\ref{sec:analyzed-large-scale} explains,
the algorithm tries to exaggerate many bends to a great size. However, grpk250LT the algorithm tries to exaggerate many bends to a great size. However, GRPK250
takes the opposite approach --- only the very basic shapes of the largest bends takes the opposite approach --- only the very basic shapes of the largest bends
are retained. Time and customers will tell, which approach is more appropriate, are retained. Time and customers will tell, which approach is more appropriate,
after the current {\WM} implementation receives some time and attention, as after the current {\WM} implementation receives some time and attention, as
@ -1550,7 +1551,7 @@ desired in section~\ref{sec:future-suggestions}.
\centering \centering
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
\includegraphics[width=\textwidth]{salvis-grpk250-2x} \includegraphics[width=\textwidth]{salvis-grpk250-2x}
\caption{grpk250LT.} \caption{GRPK250.}
\end{subfigure} \end{subfigure}
\hfill \hfill
\begin{subfigure}[b]{.49\textwidth} \begin{subfigure}[b]{.49\textwidth}
@ -1558,7 +1559,7 @@ desired in section~\ref{sec:future-suggestions}.
\includegraphics[width=\textwidth]{salvis-wm220} \includegraphics[width=\textwidth]{salvis-wm220}
\caption{{\WM}-simplified GDB10LT.} \caption{{\WM}-simplified GDB10LT.}
\end{subfigure} \end{subfigure}
\caption{grpk250LT and {\WM}--simplified GDB10LT.} \caption{GRPK250 and {\WM}--simplified GDB10LT.}
\label{fig:salvis-wm220} \label{fig:salvis-wm220}
\end{figure} \end{figure}
@ -1574,18 +1575,12 @@ in this section to 1:\numprint{50000}.
\includegraphics[width=\textwidth]{salvis-wm75-dp64-grpk10-1x50k} \includegraphics[width=\textwidth]{salvis-wm75-dp64-grpk10-1x50k}
\caption{{\DP} (green), {\WM} (orange) and original (black dotted) at
1:\numprint{50000}.}
\label{fig:salvis-wm75-dp64-grpk10-1x50k} \label{fig:salvis-wm75-dp64-grpk10-1x50k}
\end{figure} \end{figure}
\begin{figure}[h!] \begin{figure}[h!]
\includegraphics[width=\textwidth]{salvis-wm75-dpchaikin64-grpk10-1x50k} \includegraphics[width=\textwidth]{salvis-wm75-dpchaikin64-grpk10-1x50k}
\caption{Chaikin--smoothened {\DP} (green), {\WM} (orange) and original
(black dotted) at 1:\numprint{50000}.}
\label{fig:salvis-wm75-dpchaikin64-grpk10-1x50k} \label{fig:salvis-wm75-dpchaikin64-grpk10-1x50k}
\end{figure} \end{figure}
@ -1593,18 +1588,12 @@ in this section to 1:\numprint{50000}.
\begin{figure}[h!] \begin{figure}[h!]
\includegraphics[width=\textwidth]{salvis-wm75-vw64-grpk10-1x50k} \includegraphics[width=\textwidth]{salvis-wm75-vw64-grpk10-1x50k}
\caption{{\VW} (green), {\WM} (orange) and original (black dotted) at
1:\numprint{50000}.}
\label{fig:salvis-wm75-vw64-grpk10-1x50k} \label{fig:salvis-wm75-vw64-grpk10-1x50k}
\end{figure} \end{figure}
\begin{figure}[h!] \begin{figure}[h!]
\includegraphics[width=\textwidth]{salvis-wm75-vwchaikin64-grpk10-1x50k} \includegraphics[width=\textwidth]{salvis-wm75-vwchaikin64-grpk10-1x50k}
\caption{Chaikin--smoothened {\VW} (green), {\WM} (orange) and original
(black dotted) at 1:\numprint{50000}.}
\label{fig:salvis-wm75-vwchaikin64-grpk10-1x50k} \label{fig:salvis-wm75-vwchaikin64-grpk10-1x50k}
\end{figure} \end{figure}