Example

Proview Designer's Guide Chapter 13

Open Proview

• Ctrl+E
• MB1 $Hier
• MB2 right panel
• right key on Oxx $Hier
• ObjectName application
• MB1 ProjectReg
• MB2 in application $Hier
• right key on Oxx $ProjectReg
• ObjectName cpp
• Ctrl+E
• Yes
• Yes
• MB3 cpp Open Project...
• Next
• Next
• No
• Next
• Next
• Next
• Next
• Yes

Configure RootVolume

• Next
• Next
• Next

• MB1 Plant -> $PlantHier
• MB2 right panel
• right key on Oxx $PlantHier
• ObjectName plant
• MB1 AllClases -> pwrb -> XyCurve
• MB2 in plant $PlantHier
• right key on Oxx XyCurve
• ObjectName curve
• Ctrl+E
• Yes

/usr/local/pwrp/cpp/src/appl/ra_myappl.cpp

<tbody> </tbody>

#include <math.h> #include "pwr.h" #include "pwr_baseclasses.hpp" #include "rt_gdh.h" class ra_myappl {  pwr_Class_XyCurve *curve_ptr;  pwr_tRefId dlid; public:  ra_myappl() {}  void init();  void scan();  void close(); }; void ra_myappl::init() {  pwr_tStatus sts;  pwr_tOName name = "plant-curve";    // Connect to database  sts = gdh_Init( "ra_myappl");  if ( EVEN(sts)) exit(0);  // Direct link to curve object  sts = gdh_RefObjectInfo( name, (void **)&curve_ptr, &dlid, sizeof(*curve_ptr));  if ( EVEN(sts)) exit(0); } void ra_myappl::scan() {  for ( unsigned int i = 0;;i++) {   if ( i % 5 == 0) {    // Calculate x and y coordinates for a sine curve every fifth second    for ( int j = 0; j < 100; j++) {     curve_ptr->XValue[j] = j;     curve_ptr->YValue[j] = 50 + 50 * sin( 2.0 * M_PI * (j + i) / 100);    }    // Indicate new curve to graph    curve_ptr->Update = 1;  }  else if ( i % 5 == 2)   curve_ptr->Update = 0;  sleep(1);  if ( i > 360)   i = 0;  } } void ra_myappl::close() {  gdh_UnrefObjectInfo( dlid); } int main() {  ra_myappl myappl;    myappl.init();  myappl.scan();  myappl.close(); }

On terminal

$ sdf cpp $ cd /usr/local/pwrp/cpp/src/appl/ $ g++ -g -c ra_myappl.cpp -o $pwrp_obj/ra_myappl.o -I$pwr_inc -DOS_LINUX=1 -DOS=linux -DHW_X86=1 -DHW=x86 $ g++ -g -o $pwrp_exe/ra_myappl $pwrp_obj/ra_myappl.o $pwr_obj/pwr_msg_rt.o -L$pwr_lib -lpwr_rt -lpwr_co -lpwr_msg_dummy -lrt

On proview

• Shift+Ctrl+B Node + B
• Tools -> Runtime Monitor
• Start Runtime
• File -> Start Runtime Navigator
• right key Database
• right key plant
• MB3 curve Object Graph

On terminal

$ ra_myappl