MapWinGIS:Grid Clear

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Clear

Clears all data in the grid, setting the value of all cells in the grid to the specified clear value.


VB.NET Usage

Function Clear(ClearValue As Object) As Boolean

            Parameters

ClearValue The value to set all of the grid's cells to.

ReturnValue

A boolean value representing the success or failure of clearing the grid.

Sample Code

    Private Sub ClearGrid()
        Dim grid As New MapWinGIS.Grid()
        'Open a grid from disk
        grid.Open("C:\grid.asc")
        'Clear the grid, using 15 as the value to assign to all grid cells
        grid.Clear(15)
        'Save the cleared grid to disk
        grid.Save("C:\cleargrid.asc")
        'Close the grid
        grid.Close()
    End Sub
  

VB 6 Usage
Function Clear(ClearValue As Object) As Boolean
            Parameters

ClearValue

The value to set all of the grid's cells to.

Sample Code

    Private Sub ClearGrid()
        Dim grid As New MapWinGIS.grid
        'Open a grid from disk
        grid.Open ("C:\grid.asc")
        'Clear the grid, using 15 as the value to assign to all grid cells
        grid.Clear (15)
        'Save the cleared grid to disk
        grid.Save ("C:\cleargrid.asc")
        'Close the grid
        grid.Close
    End Sub

Retrieved from "http://mapwindow.org/wiki/index.php/MapWinGIS:Grid_Clear"

This page has been accessed 1,348 times. This page was last modified on 9 November 2005, at 16:32.