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## com.bbn.openmap.layer.link
Class LinkGrid

    java.lang.Object
      com.bbn.openmap.layer.link.LinkGrid

All Implemented Interfaces:
  LinkGraphicConstants

public class LinkGrid
extends java.lang.Object
implements LinkGraphicConstants

Reading and writing the Link protocol version of a grid object. It is assumed that the client will know how to render/handle this grid when it arrives, since it doesn't have any implicit drawing attributes, despite having a semantics object.

Field Summary

Fields inherited from interface com.bbn.openmap.layer.link.LinkGraphicConstants
`BASELINE_BOTTOM, BASELINE_MIDDLE, BASELINE_TOP, BLACK_COLOR_STRING, CLEAR_COLOR_STRING, COLORMODEL_DIRECT, COLORMODEL_INDEXED, COLORMODEL_URL, COLUMN_MAJOR, COORDMODE_ORIGIN, COORDMODE_PREVIOUS, DECIMAL_DEGREES, GRAPHICTYPE_ARC, GRAPHICTYPE_BITMAP, GRAPHICTYPE_CIRCLE, GRAPHICTYPE_ELLIPSE, GRAPHICTYPE_GRAPHIC, GRAPHICTYPE_GRID, GRAPHICTYPE_LINE, GRAPHICTYPE_POINT, GRAPHICTYPE_POLY, GRAPHICTYPE_RASTER, GRAPHICTYPE_RECTANGLE, GRAPHICTYPE_TEXT, JUSTIFY_CENTER, JUSTIFY_LEFT, JUSTIFY_RIGHT, KM, LINETYPE_GREATCIRCLE, LINETYPE_RHUMB, LINETYPE_STRAIGHT, LINETYPE_UNKNOWN, MILES, NMILES, RADIANS, RENDERTYPE_LATLON, RENDERTYPE_OFFSET, RENDERTYPE_UNKNOWN, RENDERTYPE_XY, ROW_MAJOR`

Constructor Summary
`LinkGrid()`

Method Summary
`static OMGrid` | `read(java.io.DataInputStream dis)` Read a Grid off a DataInputStream.
`static OMGrid` | `read(java.io.DataInputStream dis, LinkProperties propertiesBuffer)` Read a Grid off a DataInputStream.
`static void` | `write(float lt, float ln, int rows, int columns, float orientation, float vResolution, float hResolution, int major, int[] data, LinkProperties properties, java.io.DataOutputStream dos)` Lat/Lon placement.
`static void` | `write(float lt, float ln, int offset_x1, int offset_y1, int rows, int columns, float orientation, float vResolution, float hResolution, int major, int[] data, LinkProperties properties, java.io.DataOutputStream dos)` Lat/lon placement with XY offset.
`static void` | `write(int x1, int y1, int rows, int columns, float orientation, float vResolution, float hResolution, int major, int[] data, LinkProperties properties, java.io.DataOutputStream dos)` XY placement.
`static void` | `write(OMGrid grid, Link link, LinkProperties props)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### LinkGrid

    public LinkGrid()

Method Detail

### write

    public static void write(float lt,
                             float ln,
                             int rows,
                             int columns,
                             float orientation,
                             float vResolution,
                             float hResolution,
                             int major,
                             int[] data,
                             LinkProperties properties,
                             java.io.DataOutputStream dos)
                      throws java.io.IOException

  Lat/Lon placement.

  Parameters:
    `lt` - latitude of the top of the grid.
    `ln` - longitude of the left side of the grid.
    `rows` - number of vertical points of the grid.
    `columns` - number of horizontal points of the grid.
    `orientation` - the direction of the vertical axits of the grid, in radians from up ( North).
    `vResolution` - degrees/point between rows of the grid.
    `hResolution` - degrees/point between columns of the grid.
    `major` - designation of the presentation of the data, as columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
    `data` - data points of the grid.
    `properties` - description of drawing attributes.
    `dos` - the data output stream to write the object to.
  Throws:
    `java.io.IOException`

### write

    public static void write(int x1,
                             int y1,
                             int rows,
                             int columns,
                             float orientation,
                             float vResolution,
                             float hResolution,
                             int major,
                             int[] data,
                             LinkProperties properties,
                             java.io.DataOutputStream dos)
                      throws java.io.IOException

  XY placement.

  Parameters:
    `x1` - window location of the left side of the grid.
    `y1` - window location of the top of the grid.
    `rows` - number of vertical points of the grid.
    `columns` - number of horizontal points of the grid.
    `orientation` - the direction of the vertical axits of the grid, in radians from up ( North).
    `vResolution` - pixels/point between rows of the grid.
    `hResolution` - pixels/point between columns of the grid.
    `major` - designation of the presentation of the data, as columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
    `data` - data points of the grid.
    `properties` - description of drawing attributes.
    `dos` - the data output stream to write the object to.
  Throws:
    `java.io.IOException`

### write

    public static void write(float lt,
                             float ln,
                             int offset_x1,
                             int offset_y1,
                             int rows,
                             int columns,
                             float orientation,
                             float vResolution,
                             float hResolution,
                             int major,
                             int[] data,
                             LinkProperties properties,
                             java.io.DataOutputStream dos)
                      throws java.io.IOException

  Lat/lon placement with XY offset.

  Parameters:
    `lt` - latitude of the top of the image, before the offset.
    `ln` - longitude of the left side of the image, before the offset.
    `offset_x1` - number of pixels to move image to the right.
    `offset_y1` - number of pixels to move image down.
    `rows` - number of vertical points of the grid.
    `columns` - number of horizontal points of the grid.
    `orientation` - the direction of the vertical axits of the grid, in radians from up ( North).
    `vResolution` - pixels/point between rows of the grid.
    `hResolution` - pixels/point between columns of the grid.
    `major` - designation of the presentation of the data, as columns (COLUMN_MAJOR) or rows (ROW_MAJOR).
    `data` - data points of the grid.
    `properties` - description of drawing attributes.
    `dos` - the data output stream to write the object to.
  Throws:
    `java.io.IOException`

### write

    public static void write(OMGrid grid,
                             Link link,
                             LinkProperties props)
                      throws java.io.IOException

  Throws:
    `java.io.IOException`

### read

    public static OMGrid read(java.io.DataInputStream dis)
                       throws java.io.IOException

  Read a Grid off a DataInputStream. Assumes the Grid header has already been read.

  Parameters:
    `dis` - DataInputStream to read from.
  Returns:
    OMGrid
  Throws:
    `java.io.IOException`
  See Also:
    `OMGrid`

### read

    public static OMGrid read(java.io.DataInputStream dis,
                              LinkProperties propertiesBuffer)
                       throws java.io.IOException

  Read a Grid off a DataInputStream. Assumes the Grid header has already been read.

  Parameters:
    `dis` - DataInputStream to read from.
    `propertiesBuffer` - a LinkProperties object used to cache previous settings that can be set on the OMPoly being read.
  Returns:
    OMGrid
  Throws:
    `java.io.IOException`
  See Also:
    `OMGrid`

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