Replace gif/pdf with png

.gitattributes

@@ -1292,15 +1292,9 @@ Generator/doc_tex/Generator/Segment_generator_prog2.gif -text svneol=unset#image
 Generator/doc_tex/Generator/Segment_generator_prog2.pdf -text svneol=unset#application/pdf
 Generator/doc_tex/Generator/Segment_generator_prog2_small.gif -text svneol=unset#image/gif
 Generator/doc_tex/Generator/dice.png -text
-Generator/doc_tex/Generator/generators_prog1.gif -text svneol=unset#image/gif
-Generator/doc_tex/Generator/generators_prog1.pdf -text svneol=unset#application/pdf
 Generator/doc_tex/Generator/generators_prog1.png -text svneol=unset#image/png
-Generator/doc_tex/Generator/generators_prog1_small.gif -text svneol=unset#image/gif
 Generator/doc_tex/Generator/generators_prog1_small.png -text svneol=unset#image/png
-Generator/doc_tex/Generator/generators_prog2.gif -text svneol=unset#image/gif
-Generator/doc_tex/Generator/generators_prog2.pdf -text svneol=unset#application/pdf
 Generator/doc_tex/Generator/generators_prog2.png -text svneol=unset#image/png
-Generator/doc_tex/Generator/generators_prog2_small.gif -text svneol=unset#image/gif
 Generator/doc_tex/Generator/generators_prog2_small.png -text svneol=unset#image/png
 Geomview/demo/Geomview/CMakeLists.txt -text
 Geomview/doc_tex/Geomview/geomview.gif -text

Generator/doc_tex/Generator/generators.tex

@@ -113,12 +113,12 @@ for the example output.
 \begin{ccHtmlOnly}
   <A NAME="PointGenerators">
   <TABLE><TR><TD ALIGN=LEFT VALIGN=TOP WIDTH=60%>
-    <A HREF="./generators_prog1.gif">Figure:</A>
+    <A HREF="./generators_prog1.png">Figure:</A>
     Output of example program for point generators.
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=5% NOWRAP>
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=35% NOWRAP>
-    <A HREF="./generators_prog1.gif">
-        <img src="./generators_prog1_small.gif" 
+    <A HREF="./generators_prog1.png">
+        <img src="./generators_prog1_small.png" 
              alt="Point Generator Example Output"></A>
   </TD></TR></TABLE>
 \end{ccHtmlOnly}
@@ -137,13 +137,13 @@ for the example output.
 \begin{ccHtmlOnly}
   <A NAME="IntegerPointGenerators">
   <TABLE><TR><TD ALIGN=LEFT VALIGN=TOP WIDTH=60%>
-    <A HREF="./generators_prog2.gif">Figure:</A>
+    <A HREF="./generators_prog2.png">Figure:</A>
         Output of example program for point generators working
         on integer points.
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=5% NOWRAP>
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=35% NOWRAP>
-    <A HREF="./generators_prog2.gif">
-        <img src="./generators_prog2_small.gif" 
+    <A HREF="./generators_prog2.png">
+        <img src="./generators_prog2_small.png" 
              alt="Integer Point Generator Example Output"></A>
   </TD></TR></TABLE>
 \end{ccHtmlOnly}%
@@ -193,12 +193,12 @@ output.
 \begin{ccHtmlOnly}
   <A NAME="SegmentGenerator">
   <TABLE><TR><TD ALIGN=LEFT VALIGN=TOP WIDTH=60%>
-    <A HREF="./Segment_generator_prog1.gif">Figure:</A>
+    <A HREF="./Segment_generator_prog1.png">Figure:</A>
     Output of example program for the generic segment generator.
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=5% NOWRAP>
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=35% NOWRAP>
-    <A HREF="./Segment_generator_prog1.gif">
-        <img src="./Segment_generator_prog1_small.gif" 
+    <A HREF="./Segment_generator_prog1.png">
+        <img src="./Segment_generator_prog1_small.png" 
              alt="Segment Generator Example Output"></A>
   </TD></TR></TABLE>
 \end{ccHtmlOnly}
@@ -219,13 +219,13 @@ used, which in this example means copied to a window stream.
 \begin{ccHtmlOnly}
   <A NAME="SegmentGeneratorFan">
   <TABLE><TR><TD ALIGN=LEFT VALIGN=TOP WIDTH=60%>
-    <A HREF="./Segment_generator_prog2.gif">Figure:</A>
+    <A HREF="./Segment_generator_prog2.png">Figure:</A>
     Output of example program for the generic segment generator using
     pre-computed point locations.
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=5% NOWRAP>
   </TD><TD ALIGN=LEFT VALIGN=TOP WIDTH=35% NOWRAP>
-    <A HREF="./Segment_generator_prog2.gif">
-        <img src="./Segment_generator_prog2_small.gif" 
+    <A HREF="./Segment_generator_prog2.png">
+        <img src="./Segment_generator_prog2_small.png" 
              alt="Segment Generator Example Output 2"></A>
   </TD></TR></TABLE>
 \end{ccHtmlOnly}