[Thplot-cvs] CVS: thplot/src/Draw Axis.cpp,1.4,1.5

[Tony P. <ap...@us...>]

Update of /cvsroot/thplot/thplot/src/Draw
In directory usw-pr-cvs1:/tmp/cvs-serv28368/src/Draw

Modified Files:
	Axis.cpp 
Log Message:
Improved formatting of numeric tick labels.


Index: Axis.cpp
===================================================================
RCS file: /cvsroot/thplot/thplot/src/Draw/Axis.cpp,v
retrieving revision 1.4
retrieving revision 1.5
diff -C2 -r1.4 -r1.5
*** Axis.cpp	3 Jul 2002 13:23:40 -0000	1.4
--- Axis.cpp	3 Jul 2002 14:56:01 -0000	1.5
***************
*** 130,142 ****
      if(labelson) {
        char tmp[80];
        double value;
        if(!vertical){
          value = min;
          for(i=0;i<=length;i+=20) {
!            snprintf(tmp,80,"%g",value);
             tickFont->setHorizontalJustification(OGLFT::Face::CENTER);
             tickFont->setVerticalJustification(OGLFT::Face::TOP);
             tickFont->draw( parent->getX()+i,
!                            parent->getY()-hashLength-2,
                             tmp );
             value += 2*delta;	
--- 130,155 ----
      if(labelson) {
        char tmp[80];
+       char fmt[10];
+       int mag = int( log10(fabs(delta)) );
+       if( mag < 0 ) {
+         if( mag > -6 ) {
+           mag = abs(mag);
+           snprintf(fmt,10,"%%%d.%df",mag+3,mag);
+         } else {
+           snprintf(fmt,10,"%%3.1E");
+         }  
+       } else {
+         snprintf(fmt,10,"%%g");
+       }        
+       cout << fmt << endl;
        double value;
        if(!vertical){
          value = min;
          for(i=0;i<=length;i+=20) {
!            snprintf(tmp,80,fmt,value);
             tickFont->setHorizontalJustification(OGLFT::Face::CENTER);
             tickFont->setVerticalJustification(OGLFT::Face::TOP);
             tickFont->draw( parent->getX()+i,
!                            parent->getY()-hashLength-1,
                             tmp );
             value += 2*delta;	
***************
*** 145,152 ****
          value = min;
          for(i=0;i<=length;i+=20) {
!            snprintf(tmp,80,"%g",value);
             tickFont->setVerticalJustification(OGLFT::Face::MIDDLE);
             tickFont->setHorizontalJustification(OGLFT::Face::RIGHT);
!            tickFont->draw( parent->getX()-hashLength-5,
                             parent->getY()+i,
                             tmp );
--- 158,165 ----
          value = min;
          for(i=0;i<=length;i+=20) {
!            snprintf(tmp,80,fmt,value);
             tickFont->setVerticalJustification(OGLFT::Face::MIDDLE);
             tickFont->setHorizontalJustification(OGLFT::Face::RIGHT);
!            tickFont->draw( parent->getX()-hashLength-1,
                             parent->getY()+i,
                             tmp );