Add example plot from Cees

README.md

@@ -4,21 +4,22 @@ free software giza instead of proprietary and unmaintained pgplot.
 
 
 # Install
-In Debian: `libgiza0` etc.
+In Debian: `libgiza0 giza-dev` etc.
 
 
 # Giza
-This is a sample how `skymap` should render, in this case using
-`pgplot` (thx pierros):
+Here are two examples of how `skymap` should render, in this case using
+`pgplot` (thx Pierros and Cees):
 
-![skymap-pgplot](img/skymap-pgplot.png)
+![skymap-pgplot-pierros](img/skymap-pgplot-pierros.png)
+
+![skymap-pgplot-cees](img/skymap-pgplot-cees.png)
 
 This is how `skymap` renders "out-of-the-box" using `giza` as a
 drop-in replacement for `pgplot`:
 
 ![skymap-giza rev 0](img/skymap-giza-0.png)
 
-
 Stars fix:
 
 ![skymap-giza rev 1](img/skymap-giza-1.png)
@@ -94,7 +95,7 @@ Out of box, this works:
 
 
 # TODO
-* Grid.
+* Grid is dots not lines.
 * Constellations only partially rendered.
 * Apex rendering needs adjusting.
 * FOV.
@@ -123,5 +124,4 @@ See `README-upstream.md`.
 # License
 Same as upstream license, GPLv3.
 
-
 *Copyright (C) 2022, Jeff Moe*