more comparisons

This commit is contained in:
Motiejus Jakštys 2020-05-25 14:52:38 +03:00
parent a8442356cd
commit 93e5cca05d
2 changed files with 28 additions and 11 deletions

View File

@ -1,5 +1,4 @@
TOLERANCES = 0 500 1000
TOLERANCES = 0 500 1000 2000 4000
GEN = $(addsuffix .pdf,zeimena \
$(addprefix douglas-,$(TOLERANCES)) \
$(addprefix visvalingam-,$(TOLERANCES)))
@ -25,7 +24,7 @@ $(foreach t,$(TOLERANCES),$(eval $(call algo2img,visvalingam,$(t))))
db/.faux_ready: zeimena.gpkg managedb
-./managedb stop; rm -fr db
./managedb init
ogr2ogr -f PostgreSQL "PG:host=127.0.0.1 user=osm dbname=osm" zeimena.gpkg
ogr2ogr -f PostgreSQL "PG:host=127.0.0.1 user=osm dbname=osm" $<
touch $@
REF = $(shell git describe --tags)

View File

@ -24,6 +24,7 @@
\iffalse
https://bost.ocks.org/mike/simplify/
http://bl.ocks.org/msbarry/9152218
small scale: 1:XXXXXX
large scale: 1:XXX
@ -136,15 +137,32 @@ As one can observe in figure~\ref{fig:douglas-300}, the Douglas \& Peucker with
300m tolerance preserves most of the shape, and 1000m
(figure~\ref{fig:douglas-1000}) is still recognizeable.
\renewcommand{\tabularxcolumn}[1]{>{\small}m{#1}}
\begin{tabularx}{\textwidth}{ p{1.5cm} | X | X }
\renewcommand{\tabularxcolumn}[1]{>{\center\small}m{#1}}
\begin{tabularx}{\textwidth}{ p{1.5cm} | X | X | }
Tolerance &
Douglas \& Peucker &
Visvalingam-Whyatt \\ \hline
Visvalingam-Whyatt \tabularnewline \hline
0 &
\includegraphics[width=\linewidth]{douglas-0} &
foo \\ \hline
\center 0 &
\multicolumn{2}{ | l | }{
\includegraphics[width=.84\columnwidth]{douglas-0}
} \tabularnewline \hline
500 &
\includegraphics[width=\linewidth]{douglas-500} &
\includegraphics[width=\linewidth]{visvalingam-500} \tabularnewline \hline
1000 &
\includegraphics[width=.5\linewidth]{douglas-1000} &
\includegraphics[width=.5\linewidth]{visvalingam-1000} \tabularnewline \hline
2000 &
\includegraphics[width=.25\linewidth]{douglas-2000} &
\includegraphics[width=.25\linewidth]{visvalingam-4000} \tabularnewline \hline
4000 &
\includegraphics[width=.125\linewidth]{douglas-4000} &
\includegraphics[width=.125\linewidth]{visvalingam-4000} \tabularnewline \hline
\end{tabularx}
\begin{figure}