bool handle_args (EnvT* e)
    {

    // handle Log options passing via Keywords
    // note: undocumented keywords [xyz]type still exist and
    // have priority on [xyz]log ! 
    static int xTypeIx = e->KeywordIx( "XTYPE" );
    static int yTypeIx = e->KeywordIx( "YTYPE" );
    static int zTypeIx = e->KeywordIx( "ZTYPE" );
    static int xLogIx = e->KeywordIx( "XLOG" );
    static int yLogIx = e->KeywordIx( "YLOG" );
    static int zLogIx = e->KeywordIx( "ZLOG" );
    static int xTickunitsIx = e->KeywordIx( "XTICKUNITS" );
    static int yTickunitsIx = e->KeywordIx( "YTICKUNITS" );
    static int zTickunitsIx = e->KeywordIx( "ZTICKUNITS" );

    if ( e->KeywordPresent( xTypeIx ) ) xLog = e->KeywordSet( xTypeIx ); else xLog = e->KeywordSet( xLogIx );
    if ( e->KeywordPresent( yTypeIx ) ) yLog = e->KeywordSet( yTypeIx ); else yLog = e->KeywordSet( yLogIx );
    if ( e->KeywordPresent( zTypeIx ) ) zLog = e->KeywordSet( zTypeIx ); else zLog = e->KeywordSet( zLogIx );

    if ( xLog && e->KeywordSet( xTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      xLog = FALSE;
    }
    if ( yLog && e->KeywordSet( yTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      yLog = FALSE;
    }
    if ( zLog && e->KeywordSet( zTickunitsIx ) ) {
      Message( "PLOT: LOG setting ignored for Date/Time TICKUNITS." );
      zLog = FALSE;
    }

      if ( nParam ( )==1 )
      {
        if ( (e->GetNumericArrayParDefined ( 0 ))->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        xEl=zVal->Dim ( 1 );
        yEl=zVal->Dim ( 0 );

        xVal=new DDoubleGDL ( dimension ( xEl ), BaseGDL::INDGEN );
        xval_guard.reset ( xVal ); // delete upon exit
        if (xLog) xVal->Inc();
        yVal=new DDoubleGDL ( dimension ( yEl ), BaseGDL::INDGEN );
        yval_guard.reset ( yVal ); // delete upon exit
        if (yLog) yVal->Inc();
      }
      else if ( nParam ( )==2||nParam ( )>3 )
      {
        e->Throw ( "Incorrect number of arguments." );
      }
      else
      {
        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );
        xVal=e->GetParAs< DDoubleGDL>( 1 );
        yVal=e->GetParAs< DDoubleGDL>( 2 );

        if ( xVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( yVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( xVal->Rank ( )==1 )
        {
          xEl=xVal->Dim ( 0 );

          if ( xEl!=zVal->Dim ( 1 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

        if ( yVal->Rank ( )==1 )
        {
          yEl=yVal->Dim ( 0 );

          if ( yEl!=zVal->Dim ( 0 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

      }

      GetMinMaxVal ( xVal, &xStart, &xEnd );
      GetMinMaxVal ( yVal, &yStart, &yEnd );
      //XRANGE and YRANGE overrides all that, but  Start/End should be recomputed accordingly
      DDouble xAxisStart, xAxisEnd, yAxisStart, yAxisEnd;
      bool setx=gdlGetDesiredAxisRange(e, "X", xAxisStart, xAxisEnd);
      bool sety=gdlGetDesiredAxisRange(e, "Y", yAxisStart, yAxisEnd);
      if(setx && sety)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (sety)
      {
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (setx)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        //must compute min-max for other axis!
        {
          gdlDoRangeExtrema(xVal,yVal,yStart,yEnd,xStart,xEnd);
        }
      }
  #undef UNDEF_RANGE_VALUE
      // z range
      datamax=0.0;
      datamin=0.0;
      GetMinMaxVal ( zVal, &datamin, &datamax );
      zStart=datamin;
      zEnd=datamax;
      setZrange = gdlGetDesiredAxisRange(e, "Z", zStart, zEnd);

      //SHADES: Doing the job will be for nothing since plplot does not give the functionality.
      static int shadesIx=e->KeywordIx ( "SHADES" ); doShade=false;
      if ( e->GetKW ( shadesIx )!=NULL )
      {
        shades=e->GetKWAs<DLongGDL>( shadesIx ); doShade=true;
      } else {
        // Get COLOR from PLOT system variable
        static DStructGDL* pStruct=SysVar::P();
        shades=new DLongGDL( 1, BaseGDL::NOZERO );
        shades_guard.Init ( shades ); // delete upon exit
        shades=static_cast<DLongGDL*>(pStruct->GetTag(pStruct->Desc()->TagIndex("COLOR"), 0)); doShade=false;
      }
      if (doShade) Warning ( "SHADE_SURF: SHADES array ignored, shading with current color table." );
        return false;
    } 
Example #2
0
    bool handle_args (EnvT* e)
    {
      xLog=e->KeywordSet ( "XLOG" );
      yLog=e->KeywordSet ( "YLOG" );
      zLog=e->KeywordSet ( "ZLOG" );
      if ( nParam ( )==1 )
      {
        if ( (e->GetNumericArrayParDefined ( 0 ))->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );

        xEl=zVal->Dim ( 1 );
        yEl=zVal->Dim ( 0 );

        xVal=new DDoubleGDL ( dimension ( xEl ), BaseGDL::INDGEN );
        xval_guard.reset ( xVal ); // delete upon exit
        if (xLog) xVal->Inc();
        yVal=new DDoubleGDL ( dimension ( yEl ), BaseGDL::INDGEN );
        yval_guard.reset ( yVal ); // delete upon exit
        if (yLog) yVal->Inc();
      }
      else if ( nParam ( )==2||nParam ( )>3 )
      {
        e->Throw ( "Incorrect number of arguments." );
      }
      else
      {
        BaseGDL* p0=e->GetNumericArrayParDefined ( 0 )->Transpose ( NULL );
        zVal=static_cast<DDoubleGDL*>
        ( p0->Convert2 ( GDL_DOUBLE, BaseGDL::COPY ) );
        p0_guard.reset ( p0 ); // delete upon exit

        if ( zVal->Rank ( )!=2 )
          e->Throw ( "Array must have 2 dimensions: "
                     +e->GetParString ( 0 ) );
        xVal=e->GetParAs< DDoubleGDL>( 1 );
        yVal=e->GetParAs< DDoubleGDL>( 2 );

        if ( xVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( yVal->Rank ( )!=1 )
          e->Throw ( "Unable to handle non-vectorial array "+e->GetParString ( 1 )+" (FIXME!)" );

        if ( xVal->Rank ( )==1 )
        {
          xEl=xVal->Dim ( 0 );

          if ( xEl!=zVal->Dim ( 1 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

        if ( yVal->Rank ( )==1 )
        {
          yEl=yVal->Dim ( 0 );

          if ( yEl!=zVal->Dim ( 0 ) )
            e->Throw ( "X, Y, or Z array dimensions are incompatible." );
        }

      }

      GetMinMaxVal ( xVal, &xStart, &xEnd );
      GetMinMaxVal ( yVal, &yStart, &yEnd );
      //XRANGE and YRANGE overrides all that, but  Start/End should be recomputed accordingly
      DDouble xAxisStart, xAxisEnd, yAxisStart, yAxisEnd;
      bool setx=gdlGetDesiredAxisRange(e, "X", xAxisStart, xAxisEnd);
      bool sety=gdlGetDesiredAxisRange(e, "Y", yAxisStart, yAxisEnd);
      if(setx && sety)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (sety)
      {
        yStart=yAxisStart;
        yEnd=yAxisEnd;
      }
      else if (setx)
      {
        xStart=xAxisStart;
        xEnd=xAxisEnd;
        //must compute min-max for other axis!
        {
          gdlDoRangeExtrema(xVal,yVal,yStart,yEnd,xStart,xEnd);
        }
      }
  #undef UNDEF_RANGE_VALUE
      // z range
      datamax=0.0;
      datamin=0.0;
      GetMinMaxVal ( zVal, &datamin, &datamax );
      zStart=datamin;
      zEnd=datamax;
      setZrange = gdlGetDesiredAxisRange(e, "Z", zStart, zEnd);

        return false;
    }