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DeleteTableRows v1

../_images/DeleteTableRows-v1_dlg.png

DeleteTableRows dialog.

Summary

Deletes rows from a TableWorkspace.

See Also

CreateEmptyTableWorkspace

Properties

Name

Direction

Type

Default

Description

TableWorkspace

InOut

TableWorkspace

Mandatory

The name of the workspace that will be modified.

Rows

Input

unsigned int list

A comma-separated list of row numbers. Row numbering starts with 0.

Description

If the specified rows exist they will be deleted form the workspace. If the row list is empty the algorithm does nothing.

Usage

Example

t=WorkspaceFactory.createTable()
t.addColumn("double","A")
t.addColumn("double","B")
t.addColumn("double","BError")
for i in range(20):
    t.addRow([i,i*2,1])

#add it to the Mantid workspace list
mtd.addOrReplace("myTable",t)

#delete a single row
DeleteTableRows(t,Rows=0) #The row index starts at 0

#delete a List of rows, you can also refer to the workspace using the name in the Workspace List
DeleteTableRows(t,Rows=[2,4,6,8]) #Note: the previous delete will have moved all the rows up 1

#delete a range of rows, you can also refer to the workspace using the name in the Workspace List
DeleteTableRows("myTable",Rows=range(7,14))

print("The remaining values in the first column")
print(t.column(0))

Output:

The remaining values in the first column
[1.0, 2.0, 4.0, 6.0, 8.0, 10.0, 11.0, 19.0]

Categories: AlgorithmIndex | Utility\Workspaces

Source

C++ header: DeleteTableRows.h

C++ source: DeleteTableRows.cpp