Constants.h

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#ifndef FLOW_CONSTANTS
#define FLOW_CONSTANTS

#define kMaxChannels 16
#define kTransferResolution 4096
#define kHistogrammResolution 256
#define kMinNodeDistance 20
#define kNodeSize 10
#define kMaxArrowPlotStepSize 100

#define kOpenFileNotification           @"OpenNewFile"
#define kNewFile                                        @"NewFile"
#define kUpdateTransferTexture          @"UpdateTransferTexture"
#define kUpdateArrowNotification        @"UpdateArrow"
#define kDataLoadedNotification         @"DataLoaded"
#define kUpdateAlphaNotification        @"UpdataAlpha"
#define kLayerChangedNotification       @"LayerChanged"

#define kColumnActive   @"active"
#define kColumnAlpha    @"alpha"
#define kColumnType             @"type"

#define kLayerType0             @"Arrow"
#define kLayerType1             @"Streamline"
#define kLayerType2             @"Colorcoding"

#define kNodeColor      @"color"
#define kIntensity      @"intensity"
#define kOpacity        @"opacity"
#define kX                      @"x"
#define kY                      @"y"

#define kLayerRemoved @"LayerRemoved"

#define kTubeName               @"tube"
#define kTubeChannel0   @"Pressure"
#define kTubeChannel1   @"Vorticity"

#define kHurricaneName          @"hurricane_p_tc"
#define kHurricaneChannel0      @"Temperatur"
#define kHurricaneChannel1      @"Wolkenwasseranteil"

#define kLoadChannel    @"LoadChannel"

#define kLayerDataType @"Layer"

#define kMinArrowSize 5.0f
#define kMaxArrowSize 50.0f
#define kMAxArrowScaleFactor 3.0f

#define PI 3.14159265358979323846f


// TODO: rewrite this -> from other source      
#define EULER         0   // euler-integration
#define RUNGE_KUTTA2  1   // runge-kutta-integration of 2nd order

typedef enum DimensionT {X = 0, Y, Z, DIMCOUNT} DimensionT;

typedef enum {kRenderArrowPlot, kRenderStreamLine, kRenderColorCoding} RenderMode;

#endif