r181: *** empty log message ***

[ctsim.git] / libctgraphics / ezplot.cpp

diff --git a/libctgraphics/ezplot.cpp b/libctgraphics/ezplot.cpp
index 519b7f97396bd398cd710b4e03f841d8d1077090..7038132c128db2a6ed0f4ef68457676594aadbda 100644 (file)
--- a/libctgraphics/ezplot.cpp
+++ b/libctgraphics/ezplot.cpp
@@ -6,7 +6,7 @@
 **  This is part of the CTSim program
 **  Copyright (C) 1983-2000 Kevin Rosenberg
 **
-**  $Id: ezplot.cpp,v 1.8 2000/07/28 10:51:31 kevin Exp $
+**  $Id: ezplot.cpp,v 1.11 2000/08/22 07:02:48 kevin Exp $
 **
 **  This program is free software; you can redistribute it and/or modify
 **  it under the terms of the GNU General Public License (version 2) as
@@ -31,7 +31,7 @@ static const double TICKRATIO = 0.4;  // ratio of minor to major tick lengths
 static const int MAXNUMFMT = 15;       // maximum length of a numeric format 
 static const double DEF_CHARHEIGHT = (1./43.); //size of characters in NDC 
 static const double DEF_CHARWIDTH = (1./80.); // size of characters in NDC 
-static const int DEF_CURVE_CLR = C_YELLOW;
+static const int DEF_CURVE_CLR = C_RED;
 
 
 
@@ -130,13 +130,11 @@ EZPlot::EZPlot (SGP& sgp)
 void
 EZPlot::initPlotSettings ()
 {
-  curveinteract = -1;
-
   charwidth = DEF_CHARWIDTH;   
   charheight = DEF_CHARHEIGHT;
   
-  c_xlabel = "X axis";
-  c_ylabel =  "Y axis";
+  c_xlabel = "";
+  c_ylabel =  "";
   c_title = "";
   c_legend = "";
   
@@ -179,12 +177,12 @@ EZPlot::initPlotSettings ()
   s_ylegend  = FALSE;
   s_textsize = FALSE;
   
-  clr_axis   = C_WHITE;                /* set fixed colors */
-  clr_title  = (C_CYAN+8);
-  clr_label  = (C_CYAN+8);
-  clr_legend = (C_RED+8);
-  clr_number = (C_GREEN+8);
-  clr_grid   = (C_BLACK+8);
+  clr_axis   = C_BLACK;                /* set fixed colors */
+  clr_title  = C_CYAN;
+  clr_label  = C_CYAN;
+  clr_legend = C_RED;
+  clr_number = C_GREEN;
+  clr_grid   = C_LTGRAY;
 }
 
 
@@ -255,8 +253,8 @@ EZPlot::plot ()
   }
     
   /* find nice endpoints for axes */
-  axis_scale (xmin, xmax, o_xmajortick - 1, &xgw_min, &xgw_max, &x_nint);
-  axis_scale (ymin, ymax, o_ymajortick - 1, &ygw_min, &ygw_max, &y_nint);
+  if (! axis_scale (xmin, xmax, o_xmajortick - 1, &xgw_min, &xgw_max, &x_nint) || ! axis_scale (ymin, ymax, o_ymajortick - 1, &ygw_min, &ygw_max, &y_nint))
+    return;
     
   /* check if user set x-axis extents */
   if (s_xmin == TRUE) {
@@ -829,7 +827,7 @@ int
 EZPlot::axis_scale (double min, double max, int nint, double *minp, double *maxp, int *nintp)
 {
   if (min >= max || nint < 1) {
-    sys_error (ERR_WARNING, "Invalid params: min=%lf, min=%lf, num intervals=%d [axis_scale]", min, max, nint);
+    sys_error (ERR_WARNING, "Invalid params: min=%lf, max=%lf, num intervals=%d [axis_scale]", min, max, nint);
     return (FALSE);
   }