com.klg.jclass.chart3d
Class SurfaceFacet

java.lang.Object
  |
  +--com.klg.jclass.chart3d.FacetAbstract
        |
        +--com.klg.jclass.chart3d.SurfaceFacet

All Implemented Interfaces:

Facet, Serializable

public class SurfaceFacet

extends FacetAbstract

Draws facets for charts of type surface.

See Also:

Serialized Form

Field Summary

protected com.klg.jclass.chart3d.DrawFacet	drawFacet
static int	FP_0_CODE
static int	FP_1_CODE
static int	FP_2_CODE
static int	FP_3_CODE
static int	FP_A_CODE
static int	FP_B_CODE
static int	FP_C_CODE
static int	FP_D_CODE
static int	FP_H_CODE
static int	FP_S_CODE

Fields inherited from class com.klg.jclass.chart3d.FacetAbstract

data, drawGrid, xPoints, yPoints

Constructor Summary

SurfaceFacet(com.klg.jclass.chart3d.DrawGrid drawGrid, com.klg.jclass.chart3d.DrawFacet drawFacet)
Constructor that stores the parent DrawGrid object and sets the drawFacet.

Method Summary

protected void	drawBottomOfSkirt(int xBegin, int xEnd, int yBegin, int yEnd) Draws the portion of the skirt that is on the bottom of the cube (i.e.
protected void	drawCornerRegionFacet(com.klg.jclass.chart3d.ScreenPoint[] spts, int i, int j, int k, int l, int holeCode, int x, int y) Draws a facet that is in one of the four corner regions.
protected void	drawEdgeRegionFacet(com.klg.jclass.chart3d.ScreenPoint[] spts, int i, int j, int k, int l, int holeCode, int x, int y) Draws facets that are part of the four edge regions.
protected void	drawFacetFromScreenPoints(com.klg.jclass.chart3d.ScreenPoint[] spts, int holeCode, int x, int y) Setup integer arrays for drawing from a ScreenPoint array
protected void	drawSolid(com.klg.jclass.chart3d.GridRegion gridRegion) Draws the solid portion of the graph (if specified) by drawing the appropriate x and y skirt and finally the bottom of the skirt.
protected void	drawXSkirt(int y, int yp, int xBegin, int xEnd) Draws a skirt along the X axis.
protected void	drawYSkirt(int x, int xp, int yBegin, int yEnd) Draws a skirt along the Y axis.
protected void	dropSkirt(int x1, int y1, int x2, int y2) Draws interior skirt between (x1,y1) and (x2,y2)
protected int	isOdd(int i) Is the passed in parameter odd?
protected com.klg.jclass.chart3d.ScreenPoint	makeZMinPoint(int x, int y) Makes a point that is at the current gric point but has a z value that is at the z axis min.
protected int	neighbourTest(int fCode, int x, int y) Tests the neighbouring cells for holes which might affect the sides of this cell.
void	processFacet(int x, int y, int edges) Draws the facet for (x, y) based on the region passed in thru "edges".
protected com.klg.jclass.chart3d.ScreenPoint	quadCenter(int x, int y) Returns the screen point of the center point of the quad.
protected boolean	testSelfOcclude(long x1, long y1, long x2, long y2, long x3, long y3, long x4, long y4) Does this facet occlude itself?

Methods inherited from class com.klg.jclass.chart3d.FacetAbstract

fillPointArrays, getDrawGrid, getScreenPoint, setDrawGrid

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

FP_0_CODE

public static final int FP_0_CODE

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Constant Field Values

FP_1_CODE

public static final int FP_1_CODE

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Constant Field Values

FP_2_CODE

public static final int FP_2_CODE

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Constant Field Values

FP_3_CODE

public static final int FP_3_CODE

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Constant Field Values

FP_H_CODE

public static final int FP_H_CODE

See Also:

Constant Field Values

FP_A_CODE

public static final int FP_A_CODE

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Constant Field Values

FP_B_CODE

public static final int FP_B_CODE

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Constant Field Values

FP_C_CODE

public static final int FP_C_CODE

See Also:

Constant Field Values

FP_D_CODE

public static final int FP_D_CODE

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Constant Field Values

FP_S_CODE

public static final int FP_S_CODE

See Also:

Constant Field Values

drawFacet

protected com.klg.jclass.chart3d.DrawFacet drawFacet

Constructor Detail

SurfaceFacet

public SurfaceFacet(com.klg.jclass.chart3d.DrawGrid drawGrid,
                    com.klg.jclass.chart3d.DrawFacet drawFacet)

Constructor that stores the parent DrawGrid object and sets the drawFacet.

Parameters:

drawGrid - The parent DrawGrid object

drawFacet -

Method Detail

drawFacetFromScreenPoints

protected void drawFacetFromScreenPoints(com.klg.jclass.chart3d.ScreenPoint[] spts,
                                         int holeCode,
                                         int x,
                                         int y)

Setup integer arrays for drawing from a ScreenPoint array

Parameters:

spts -

holeCode -

x -

y -

processFacet

public void processFacet(int x,
                         int y,
                         int edges)

Draws the facet for (x, y) based on the region passed in thru "edges".

Specified by:

processFacet in interface Facet

Specified by:

processFacet in class FacetAbstract

Parameters:

x -

y -

edges -

isOdd

protected int isOdd(int i)

Is the passed in parameter odd?

Parameters:

i -

drawEdgeRegionFacet

protected void drawEdgeRegionFacet(com.klg.jclass.chart3d.ScreenPoint[] spts,
                                   int i,
                                   int j,
                                   int k,
                                   int l,
                                   int holeCode,
                                   int x,
                                   int y)

Draws facets that are part of the four edge regions.

Parameters:

spts -

i -

j -

k -

l -

holeCode -

x -

y -

drawCornerRegionFacet

protected void drawCornerRegionFacet(com.klg.jclass.chart3d.ScreenPoint[] spts,
                                     int i,
                                     int j,
                                     int k,
                                     int l,
                                     int holeCode,
                                     int x,
                                     int y)

Draws a facet that is in one of the four corner regions.

Parameters:

spts -

i -

j -

k -

l -

holeCode -

x -

y -

quadCenter

protected com.klg.jclass.chart3d.ScreenPoint quadCenter(int x,
                                                        int y)

Returns the screen point of the center point of the quad.

Parameters:

x -

y -

makeZMinPoint

protected com.klg.jclass.chart3d.ScreenPoint makeZMinPoint(int x,
                                                           int y)

Makes a point that is at the current gric point but has a z value that is at the z axis min. This is used for the bottom of the skirts.

Parameters:

x -

y -

testSelfOcclude

protected boolean testSelfOcclude(long x1,
                                  long y1,
                                  long x2,
                                  long y2,
                                  long x3,
                                  long y3,
                                  long x4,
                                  long y4)

Does this facet occlude itself?

Parameters:

x1 -

y1 -

x2 -

y2 -

x3 -

y3 -

x4 -

y4 -

neighbourTest

protected int neighbourTest(int fCode,
                            int x,
                            int y)

Tests the neighbouring cells for holes which might affect the sides of this cell. We don't want to draw cell walls (ha, ha) all by themselves.

Parameters:

fCode -

x -

y -

dropSkirt

protected void dropSkirt(int x1,
                         int y1,
                         int x2,
                         int y2)

Draws interior skirt between (x1,y1) and (x2,y2)

Parameters:

x1 -

y1 -

x2 -

y2 -

drawXSkirt

protected void drawXSkirt(int y,
                          int yp,
                          int xBegin,
                          int xEnd)

Draws a skirt along the X axis.

Parameters:

y -

yp -

xBegin -

xEnd -

drawYSkirt

protected void drawYSkirt(int x,
                          int xp,
                          int yBegin,
                          int yEnd)

Draws a skirt along the Y axis.

Parameters:

x -

xp -

yBegin -

yEnd -

drawBottomOfSkirt

protected void drawBottomOfSkirt(int xBegin,
                                 int xEnd,
                                 int yBegin,
                                 int yEnd)

Draws the portion of the skirt that is on the bottom of the cube (i.e. at the z axis min).

Parameters:

xBegin -

xEnd -

yBegin -

yEnd -

drawSolid

protected void drawSolid(com.klg.jclass.chart3d.GridRegion gridRegion)

Draws the solid portion of the graph (if specified) by drawing the appropriate x and y skirt and finally the bottom of the skirt. Note that skirts for holes are drawn separately.

Parameters:

gridRegion -