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Logging objects

  • #1
  • First Post: May 30, 2008 10:48pm May 30, 2008 10:48pm
Anyone know of, or how, to write a script that will grab objects on a chart and write them to a file?

thanks!

ie. I've drawn a few vertical lines on a chart and want to log where they happen on the chart (along w/ any indicator values that might be on the chart at the time (i assume I can just use iCustom for that, or iMA or whatever I have on the chart)).
  • #2
  • May 31, 2008 1:55am May 31, 2008 1:55am
Hi Nondisc,

Does the attached code give you a starting point?
The output file will be created in the ....\experts\files\ folder.

Good luck,
David

Inserted Code
 
int start()
  {
  int handle=FileOpen("object_data.csv",FILE_CSV|FILE_WRITE,',');
  if(handle<1)
    {
     Print("File not found, the last error is ", GetLastError());
     return(false);
    }
  for(int i=0;i<ObjectsTotal();i++)
    {
     string name = ObjectName(i);
     if(ObjectType(name)!=OBJ_VLINE) continue;
     datetime time1 = ObjectGet(name, OBJPROP_TIME1);
     // get any other properties you want here...
     FileWrite(handle,name,TimeToStr(time1,TIME_DATE|TIME_SECONDS));
    }
   FileClose(handle);
   return(0);
  }
  • #3
  • May 31, 2008 2:11am May 31, 2008 2:11am
Second attempt - includes output of indicator value also......

Inserted Code
 
int start()
  {
  int handle=FileOpen("object_data.csv",FILE_CSV|FILE_WRITE,',');   // Open CSV file for subsequent output
  if(handle<1)
    {
     Print("File not found, the last error is ", GetLastError());
     return(false);
    }
  for(int i=0;i<ObjectsTotal();i++)                                  // For each object on the current chart.......
    {
     string name = ObjectName(i);                                    // Get the object name
     if(ObjectType(name)!=OBJ_VLINE) continue;                       // If it's not a vertical line, skip and process next object
     datetime time1 = ObjectGet(name, OBJPROP_TIME1);                // Get the date/time co-ordinate of the vertical line
     int shift = iBarShift(Symbol(),Period(), time1);                // Convert time to bar#
     double value1 = iMA(NULL,0,30,0,MODE_SMA,PRICE_CLOSE,shift);    // Value of SMA(30) at the specified bar#
     FileWrite(handle,name,TimeToStr(time1,TIME_DATE|TIME_SECONDS),DoubleToStr(value1,6));    // Output to file
    }
   FileClose(handle);                                                // Close file
   return(0);
  }
  • #4
  • Last Post: May 31, 2008 1:00pm May 31, 2008 1:00pm
WOW! THANKS! I'll try this out today and let you know how it goes!

THANKS AGAIN!!

Quoting hanover
Second attempt - includes output of indicator value also......

Inserted Code
 
int start()
  {
  int handle=FileOpen("object_data.csv",FILE_CSV|FILE_WRITE,',');   // Open CSV file for subsequent output
  if(handle<1)
    {
     Print("File not found, the last error is ", GetLastError());
     return(false);
    }
  for(int i=0;i<ObjectsTotal();i++)                                  // For each object on the current chart.......
    {
     string name = ObjectName(i);                                    // Get the object name
     if(ObjectType(name)!=OBJ_VLINE) continue;                       // If it's not a vertical line, skip and process next object
     datetime time1 = ObjectGet(name, OBJPROP_TIME1);                // Get the date/time co-ordinate of the vertical line
     int shift = iBarShift(Symbol(),Period(), time1);                // Convert time to bar#
     double value1 = iMA(NULL,0,30,0,MODE_SMA,PRICE_CLOSE,shift);    // Value of SMA(30) at the specified bar#
     FileWrite(handle,name,TimeToStr(time1,TIME_DATE|TIME_SECONDS),DoubleToStr(value1,6));    // Output to file
    }
   FileClose(handle);                                                // Close file
   return(0);
  }
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