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DeleteTableRows v1¶
Summary¶
Deletes rows from a TableWorkspace.
See Also¶
Properties¶
Name |
Direction |
Type |
Default |
Description |
|---|---|---|---|---|
TableWorkspace |
InOut |
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