pnwavdat.h

PQDIF软件包(SDK,Software Development Kit),它能转换、生成并且显示PQDIF文件.对于开发电力系统的数据输出非常有用。

/*
**  Class PQNodeWaveform
**      This class holds a single channel of waveform information with
**      summary infomation.  Objects of this class are created by a number
**      of the PQNode Raw Data File Decoders.
**
*/

#ifndef PNWAVDAT_INC
#define PNWAVDAT_INC

class PQNodeWaveform
    {
    private:
        int iChannel;
        float fMinVal;
        float fMaxVal;
        int iNumPoints;
        float * pfTime;
        float * pfData;
        float fTriggerTime;
        BOOL bIsTrigger;
        BOOL bIsOverRange;
        BOOL bIsUnderRange;
        float FindMin();
        float FindMax();

    protected:


    public:

        /*
        ** Main form of the constructor usually called by one of the 
        ** disturbance decoder modules.  Not normally called by an app
        ** directly since app doesn't have direct access to some of the info.
        */
        PQNodeWaveform(int iChan,int iNumPnt,BOOL bIsTrig,
                    float *pfTimeVec, float *pfDataVec,float fTrigTime,int iRange = 0);

        virtual ~PQNodeWaveform();

        /*
        ** Obtain a vector of time data points for the voltage or current data 
        ** for the channel.
        ** THIS IS NOT A COPY.  This object contiues to own the data.
        */
        float *GetTimeData() { return pfTime; }

        /*
        ** Obtain a vector of time data points for the voltage or current data 
        ** for the channel scaled by the fScale parameter.  Scale = 1000 will
        ** yield times in msec. THIS IS NOT A COPY.  This object contiues to 
        ** own the data.  If a scale is applied, the time vector is perminently
        ** altered.
        */
        float *GetTimeData(float fScale);

        /*
        ** This method will return the time at a particular index in the 
        ** time vector.
        */
        float GetTimePoint(int iTime) {return pfTime[iTime];}

        /*
        ** Obtain a vector of data points for the voltage or current data 
        ** for the channel.  For voltage channels the values will be scaled
        ** as indicated by the VoltPref parameter when the object was created.
        ** THIS IS NOT A COPY.  This object contiues to own the data.
        */
        float *GetWaveData() { return pfData; }

        float GetTrigTime() {return fTriggerTime;}

        /*
        ** Find out how many data points are in the record for the channel.
        */
        int GetDataSize() {return iNumPoints;}

        /*
        ** Find out how which channel this data belongs to.
        */
        int GetChannel() {return iChannel;}

        /*
        ** If this waveform came from a disturbance type that is triggered,
        ** was this the trigger channel.
        */
        BOOL IsTrigger() {return bIsTrigger;}

        /*
        ** Method to get the minimum value from the waveform.
        */
        float GetMin() {return fMinVal;}

        /*
        ** Method to get the maximum value from the waveform.
        */
        float GetMax() {return fMaxVal;}

        /*
        ** Next Two Not yet implemented.
        */
        BOOL IsOverRange() {return bIsOverRange;}
        BOOL IsUnderRange() {return bIsUnderRange;}
    };

#endif