be explicit about tolerances

This commit is contained in:
Motiejus Jakštys 2020-05-26 14:07:28 +03:00
parent c4d6a764ed
commit a8dc7e82d5
2 changed files with 17 additions and 13 deletions

View File

@ -1,7 +1,9 @@
TOLERANCES = 100 125 250 500 1000 2000 4000
ZEIMENA_TOLERANCES = 100 125 250 500 1000 2000 4000
SINEWAVE_TOLERANCES = 4 5
GEN = $(addsuffix .pdf, \
$(addprefix zeimena-douglas-,$(TOLERANCES)) \
$(addprefix zeimena-visvalingam-,$(TOLERANCES)))
$(addprefix sinewave-douglas-,$(SINEWAVE_TOLERANCES)) \
$(addprefix zeimena-douglas-,$(ZEIMENA_TOLERANCES)) \
$(addprefix zeimena-visvalingam-,$(ZEIMENA_TOLERANCES)))
mj-referatas.pdf: mj-referatas.tex version.tex bib.bib zeimena-pretty.pdf \
sinewave.pdf sinewave-douglas-5.pdf $(GEN)

View File

@ -177,32 +177,32 @@ retained.
\begin{figure}[H]
\renewcommand{\tabularxcolumn}[1]{>{\center\small}m{#1}}
\begin{tabularx}{\textwidth}{ p{1.5cm} | X | X | }
Tolerance &
\begin{tabularx}{\textwidth}{ p{2.1cm} | X | X | }
Tolerance DP/VW &
Douglas \& Peucker &
Visvalingam-Whyatt \tabularnewline \hline
125 &
125/15625 &
\includegraphics[width=\linewidth]{zeimena-douglas-125} &
\includegraphics[width=\linewidth]{zeimena-visvalingam-125} \tabularnewline \hline
250 &
250/62500 &
\includegraphics[width=.5\linewidth]{zeimena-douglas-250} &
\includegraphics[width=.5\linewidth]{zeimena-visvalingam-250} \tabularnewline \hline
500 &
500/250000 &
\includegraphics[width=.25\linewidth]{zeimena-douglas-500} &
\includegraphics[width=.25\linewidth]{zeimena-visvalingam-500} \tabularnewline \hline
1000 &
1000/1000000 &
\includegraphics[width=.125\linewidth]{zeimena-douglas-1000} &
\includegraphics[width=.125\linewidth]{zeimena-visvalingam-1000} \tabularnewline \hline
2000 &
2000/4000000 &
\includegraphics[width=.0625\linewidth]{zeimena-douglas-2000} &
\includegraphics[width=.0625\linewidth]{zeimena-visvalingam-2000} \tabularnewline \hline
4000 &
4000/16000000 &
\includegraphics[width=.0625\linewidth]{zeimena-douglas-4000} &
\includegraphics[width=.0625\linewidth]{zeimena-visvalingam-4000} \tabularnewline \hline
\end{tabularx}
@ -210,6 +210,8 @@ retained.
\label{tab:dp-vs-vw}
\end{figure}
To sum up, both {\VW} and {\DP} simplify the lines, but their cartographic
output poorly represents lines and bends. Where to look for better output?