diff --git a/Makefile b/Makefile
index f325e66..cf342dc 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ RIVERS = \
 		 salvis-25k \
 		 salvis-50k \
 		 salvis-250k-10x \
-		 salvis-gdr250-2x \
+		 salvis-grpk250-2x \
 		 salvis-dp-64-50k \
 		 salvis-vw-64-50k \
 		 salvis-dp-64-chaikin-50k \
@@ -47,8 +47,8 @@ RIVERS = \
 		 salvis-wm-50k-nw \
 		 salvis-wm-50k-ne \
 		 salvis-wm-overlaid-250k-zoom \
-		 salvis-wm-gdr50 \
-		 salvis-wm-gdr50-ne \
+		 salvis-wm-grpk50 \
+		 salvis-wm-grpk50-ne \
 		 salvis-wm-220
 
 ################################################################################
@@ -126,24 +126,24 @@ salvis-wm-250k-2x_WIDTHDIV = 2
 salvis-wm-250k-10x_1SELECT = wm_visuals where name='salvis-wm-220'
 salvis-wm-250k-10x_WIDTHDIV = 10
 
-salvis-250k-10x_1SELECT = wm_visuals where name='salvis'
+salvis-250k-10x_1SELECT = wm_visuals where name='salvis-grpk10'
 salvis-250k-10x_WIDTHDIV = 10
 
 salvis-wm-overlaid-250k-zoom_1SELECT = wm_visuals where name='salvis-wm-220'
-salvis-wm-overlaid-250k-zoom_2SELECT = wm_visuals where name='salvis'
+salvis-wm-overlaid-250k-zoom_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-wm-overlaid-250k-zoom_1COLOR = orange
 
-salvis-gdr250-2x_1SELECT = wm_visuals where name='salvis-gdr250'
-salvis-gdr250-2x_WIDTHDIV = 2
+salvis-grpk250-2x_1SELECT = wm_visuals where name='salvis-grpk250'
+salvis-grpk250-2x_WIDTHDIV = 2
 
 ################################################################################
 # 50K
 ################################################################################
 
-salvis-25k_1SELECT = wm_visuals where name='salvis'
+salvis-25k_1SELECT = wm_visuals where name='salvis-grpk10'
 salvis-25k_WIDTHDIV = 1
 
-salvis-50k_1SELECT = wm_visuals where name='salvis'
+salvis-50k_1SELECT = wm_visuals where name='salvis-grpk10'
 salvis-50k_WIDTHDIV = 2
 
 salvis-dp-64-50k_1SELECT = wm_visuals where name='salvis-dp-64'
@@ -159,45 +159,45 @@ salvis-vw-64-chaikin-50k_2SELECT = wm_visuals where name='salvis-vw-chaikin-64'
 salvis-vw-64-chaikin-50k_WIDTHDIV = 2
 
 salvis-overlaid-dp-64-chaikin-50k_1SELECT = wm_visuals where name='salvis-dp-chaikin-64'
-salvis-overlaid-dp-64-chaikin-50k_2SELECT = wm_visuals where name='salvis'
+salvis-overlaid-dp-64-chaikin-50k_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-overlaid-dp-64-chaikin-50k_1COLOR = orange
 salvis-overlaid-dp-64-chaikin-50k_WIDTHDIV = 2
 salvis-overlaid-dp-64-chaikin-50k_QUADRANT = tl
 
 salvis-overlaid-vw-64-chaikin-50k_1SELECT = wm_visuals where name='salvis-vw-chaikin-64'
-salvis-overlaid-vw-64-chaikin-50k_2SELECT = wm_visuals where name='salvis'
+salvis-overlaid-vw-64-chaikin-50k_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-overlaid-vw-64-chaikin-50k_1COLOR = orange
 salvis-overlaid-vw-64-chaikin-50k_WIDTHDIV = 2
 salvis-overlaid-vw-64-chaikin-50k_QUADRANT = tl
 
 salvis-wm-50k_1SELECT = wm_visuals where name='salvis-wm-75'
-salvis-wm-50k_2SELECT = wm_visuals where name='salvis'
+salvis-wm-50k_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-wm-50k_1COLOR = orange
 
 salvis-wm-50k-nw_1SELECT = wm_visuals where name='salvis-wm-75'
-salvis-wm-50k-nw_2SELECT = wm_visuals where name='salvis'
+salvis-wm-50k-nw_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-wm-50k-nw_1COLOR = orange
 salvis-wm-50k-nw_QUADRANT = tr
 
 salvis-wm-50k-ne_1SELECT = wm_visuals where name='salvis-wm-75'
-salvis-wm-50k-ne_2SELECT = wm_visuals where name='salvis'
+salvis-wm-50k-ne_2SELECT = wm_visuals where name='salvis-grpk10'
 salvis-wm-50k-ne_1COLOR = orange
 salvis-wm-50k-ne_QUADRANT = tl
 
-salvis-wm-gdr50_1SELECT = wm_visuals where name='salvis-wm-75'
-salvis-wm-gdr50_2SELECT = wm_visuals where name='salvis-gdr50'
-salvis-wm-gdr50_3SELECT = wm_visuals where name='salvis'
-salvis-wm-gdr50_1COLOR = orange
-salvis-wm-gdr50_2COLOR = green
-salvis-wm-gdr50_3LINESTYLE = dotted
+salvis-wm-grpk50_1SELECT = wm_visuals where name='salvis-wm-75'
+salvis-wm-grpk50_2SELECT = wm_visuals where name='salvis-grpk50'
+salvis-wm-grpk50_3SELECT = wm_visuals where name='salvis-grpk10'
+salvis-wm-grpk50_1COLOR = orange
+salvis-wm-grpk50_2COLOR = green
+salvis-wm-grpk50_3LINESTYLE = dotted
 
-salvis-wm-gdr50-ne_1SELECT = wm_visuals where name='salvis-wm-75'
-salvis-wm-gdr50-ne_2SELECT = wm_visuals where name='salvis-gdr50'
-salvis-wm-gdr50-ne_3SELECT = wm_visuals where name='salvis'
-salvis-wm-gdr50-ne_1COLOR = orange
-salvis-wm-gdr50-ne_2COLOR = green
-salvis-wm-gdr50-ne_3LINESTYLE = dotted
-salvis-wm-gdr50-ne_QUADRANT = tl
+salvis-wm-grpk50-ne_1SELECT = wm_visuals where name='salvis-wm-75'
+salvis-wm-grpk50-ne_2SELECT = wm_visuals where name='salvis-grpk50'
+salvis-wm-grpk50-ne_3SELECT = wm_visuals where name='salvis-grpk10'
+salvis-wm-grpk50-ne_1COLOR = orange
+salvis-wm-grpk50-ne_2COLOR = green
+salvis-wm-grpk50-ne_3LINESTYLE = dotted
+salvis-wm-grpk50-ne_QUADRANT = tl
 
 salvis-wm-220_1SELECT = wm_visuals where name='salvis-wm-220'
 salvis-wm-220_WIDTHDIV = 2
@@ -215,20 +215,20 @@ define wm_vwdp50k
 RIVERS += salvis-$(1)-$(2)-50k$(3)
 salvis-$(1)-$(2)-50k$(3)_1SELECT    = wm_visuals where name='salvis-$(1)'
 salvis-$(1)-$(2)-50k$(3)_2SELECT    = wm_visuals where name='salvis-$(2)'
-salvis-$(1)-$(2)-50k$(3)_3SELECT    = wm_visuals where name='salvis'
-salvis-$(1)-$(2)-50k$(3)_1COLOR     = green
-salvis-$(1)-$(2)-50k$(3)_1LABEL     = $(label_$(1))
-salvis-$(1)-$(2)-50k$(3)_2COLOR     = orange
-salvis-$(1)-$(2)-50k$(3)_2LABEL     = $(label_$(2))
+salvis-$(1)-$(2)-50k$(3)_3SELECT    = wm_visuals where name='salvis-grpk10'
+salvis-$(1)-$(2)-50k$(3)_1COLOR     = orange
+salvis-$(1)-$(2)-50k$(3)_1LABEL     = $(label_$(2))
+salvis-$(1)-$(2)-50k$(3)_2COLOR     = green
+salvis-$(1)-$(2)-50k$(3)_2LABEL     = $(label_$(1))
 salvis-$(1)-$(2)-50k$(3)_3LINESTYLE = dotted
 salvis-$(1)-$(2)-50k$(3)_3LABEL     = GRPK 1:\numprint{10000}
 salvis-$(1)-$(2)-50k$(3)_QUADRANT   = $(3)
 salvis-$(1)-$(2)-50k$(3)_LEGEND     = $(legend_$(3))
 endef
 $(foreach x,vw-64 dp-64 vw-chaikin-64 dp-chaikin-64,\
-	$(eval $(call wm_vwdp50k,$(x),wm-75,)) \
-	$(eval $(call wm_vwdp50k,$(x),wm-75,tl)) \
-	$(eval $(call wm_vwdp50k,$(x),wm-75,tr)) \
+	$(eval $(call wm_vwdp50k,wm-75,$(x),)) \
+	$(eval $(call wm_vwdp50k,wm-75,$(x),tl)) \
+	$(eval $(call wm_vwdp50k,wm-75,$(x),tr)) \
 )
 
 define FIG_template
@@ -401,5 +401,5 @@ refresh-$(1): aggregate-rivers.sql gdr2pgsql .faux_db_pre
 endef
 
 $(eval $(call rivers_template,rivers-10.sql,GDB10LT,wm_rivers))
-$(eval $(call rivers_template,rivers-50.sql,GDR50LT,wm_rivers_50))
-$(eval $(call rivers_template,rivers-250.sql,GDR250LT,wm_rivers_250))
+$(eval $(call rivers_template,rivers-50.sql,grpk50LT,wm_rivers_50))
+$(eval $(call rivers_template,rivers-250.sql,grpk250LT,wm_rivers_250))
diff --git a/mj-msc.tex b/mj-msc.tex
index ad36d4e..32f7389 100644
--- a/mj-msc.tex
+++ b/mj-msc.tex
@@ -1487,8 +1487,8 @@ future research and improvement:
 
 \subsubsection{Background}
 
-There are a few datasets used in this comparison: GDB10LT, GDR50LT and
-GDR250LT. They are vector datasets, which include rivers. They can be
+There are a few datasets used in this comparison: GDB10LT, grpk50LT and
+grpk250LT. They are vector datasets, which include rivers. They can be
 downloaded for free from \cite{nzt}. Here are the meanings of the codenames:
 
 \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
         1:\numprint{10000}.
 
-    \item[GDR50LT] is suited for maps of scale 1:\numprint{50000}.
+    \item[grpk50LT] is suited for maps of scale 1:\numprint{50000}.
 
-    \item[GDR250LT] offers least detail, and is suited for maps of
+    \item[grpk250LT] offers least detail, and is suited for maps of
         scale 1:\numprint{250000}.
 
 \end{description}
@@ -1506,41 +1506,41 @@ 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:
 1:\numprint{50000} and 1:\numprint{250000}.\footnote{parameter calculation is
 detailed in section~\ref{sec:bend-scaling-and-dimensions}.} This section
-compares the resulting {\WM}--generalized rivers to GDR50LT and GDR250LT.
+compares the resulting {\WM}--generalized rivers to grpk50LT and grpk250LT.
 
 \subsubsection{Medium-scale (1:\numprint{50000})}
 
 For our research location, the national dataset GDB10LT is almost equivalent to
-GDR50LT, with a few nuances. Figure~\ref{fig:salvis-wm-gdr50} illustrates
-all three shapes: GDR50LT, {\WM}--simplified GDB10LT, and the original GDB10LT.
+grpk50LT, with a few nuances. Figure~\ref{fig:salvis-wm-grpk50} illustrates
+all three shapes: grpk50LT, {\WM}--simplified GDB10LT, and the original GDB10LT.
 
 \begin{figure}[h!]
     \centering
-    \includegraphics[width=\textwidth]{salvis-wm-gdr50}
+    \includegraphics[width=\textwidth]{salvis-wm-grpk50}
 
-    \caption{2x zoomed-in GDR50LT (green), {\WM}--simplified GDB10LT (orange)
+    \caption{2x zoomed-in grpk50LT (green), {\WM}--simplified GDB10LT (orange)
     and original GDB10LT (dotted black).}
 
-    \label{fig:salvis-wm-gdr50}
+    \label{fig:salvis-wm-grpk50}
 \end{figure}
 
 \begin{figure}[h!]
     \centering
-    \includegraphics[width=\textwidth]{salvis-wm-gdr50-ne}
-    \caption{Top--right side of Figure~\ref{fig:salvis-wm-gdr50}.}
-    \label{fig:salvis-wm-gdr50-ne}
+    \includegraphics[width=\textwidth]{salvis-wm-grpk50-ne}
+    \caption{Top--right side of Figure~\ref{fig:salvis-wm-grpk50}.}
+    \label{fig:salvis-wm-grpk50-ne}
 \end{figure}
 
-Although figures are almost identical, Figure~\ref{fig:salvis-wm-gdr50-ne}
-illustrates two small bends that have been removed in GDR50LT, but have been
+Although figures are almost identical, Figure~\ref{fig:salvis-wm-grpk50-ne}
+illustrates two small bends that have been removed in grpk50LT, but have been
 exaggerated by our implementation.
 
 \subsubsection{Large-scale (1:\numprint{250000})}
 \label{sec:national-large-scale}
 
-Figure~\ref{fig:salvis-wm-250k} illustrates the original GDR250LT and the
+Figure~\ref{fig:salvis-wm-250k} illustrates the original grpk250LT and the
 {\WM}--simplified version. As section~\ref{sec:analyzed-large-scale} explains,
-the algorithm tries to exaggerate many bends to a great size. However, GDR250LT
+the algorithm tries to exaggerate many bends to a great size. However, grpk250LT
 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,
 after the current {\WM} implementation receives some time and attention, as
@@ -1549,8 +1549,8 @@ desired in section~\ref{sec:future-suggestions}.
 \begin{figure}[h!]
     \centering
     \begin{subfigure}[b]{.49\textwidth}
-        \includegraphics[width=\textwidth]{salvis-gdr250-2x}
-        \caption{GDR250LT.}
+        \includegraphics[width=\textwidth]{salvis-grpk250-2x}
+        \caption{grpk250LT.}
     \end{subfigure}
     \hfill
     \begin{subfigure}[b]{.49\textwidth}
@@ -1558,7 +1558,7 @@ desired in section~\ref{sec:future-suggestions}.
         \includegraphics[width=\textwidth]{salvis-wm-220}
         \caption{{\WM}-simplified GDB10LT.}
     \end{subfigure}
-    \caption{GDR250LT and {\WM}--simplified GDB10LT.}
+    \caption{grpk250LT and {\WM}--simplified GDB10LT.}
     \label{fig:salvis-wm-250k}
 \end{figure}
 
diff --git a/visuals.sql b/visuals.sql
index bfdca4a..f9d6720 100644
--- a/visuals.sql
+++ b/visuals.sql
@@ -99,19 +99,19 @@ end $$ language plpgsql;
 delete from wm_debug where name like 'salvis%';
 delete from wm_visuals where name like 'salvis%';
 insert into wm_visuals(name, way) values
-  ('salvis', (
+  ('salvis-grpk10', (
     wm_salvisbbox(
       (select st_union(way) from wm_rivers where name in ('Šalčia', 'Visinčia')),
       :scaledwidth
     )
   )),
-  ('salvis-gdr50', (
+  ('salvis-grpk50', (
     wm_salvisbbox(
       (select st_union(way) from wm_rivers_50 where name in ('Šalčia', 'Visinčia')),
       :scaledwidth
     )
   )),
-  ('salvis-gdr250', (
+  ('salvis-grpk250', (
     wm_salvisbbox(
       (select st_union(way) from wm_rivers_250 where name in ('Šalčia', 'Visinčia')),
       :scaledwidth
@@ -126,8 +126,8 @@ declare
   geom3 geometry;
 begin
   foreach i in array array[16, 32, 64, 256] loop
-    geom1 = st_simplify((select way from wm_visuals where name='salvis'), i);
-    geom2 = st_simplifyvw((select way from wm_visuals where name='salvis'), i*i);
+    geom1 = st_simplify((select way from wm_visuals where name='salvis-grpk10'), i);
+    geom2 = st_simplifyvw((select way from wm_visuals where name='salvis-grpk10'), i*i);
     insert into wm_visuals(name, way) values
       ('salvis-dp-'         || i, geom1),
       ('salvis-dp-chaikin-' || i, st_chaikinsmoothing(geom1, 5)),
@@ -139,7 +139,7 @@ begin
   -- Šalčia-Visinčia crossing, and it "exaggerates" to the
   -- other river.
   foreach i in array array[75, 220] loop
-    geom3 = st_simplifywm((select way from wm_visuals where name='salvis'), i, 50, 'salvis-wm-' || i);
+    geom3 = st_simplifywm((select way from wm_visuals where name='salvis-grpk10'), i, 50, 'salvis-wm-' || i);
     insert into wm_visuals(name, way) values
       ('salvis-wm-'          || i, geom3);
   end loop;