Operator Reference

HALCON Operator Reference / Graphics / LUT
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query_lutT_query_lutQueryLutQueryLutquery_lut (Operator)

query_lutT_query_lutQueryLutQueryLutquery_lut — Query all available look-up-tables (lut).

Signature

query_lut( : : WindowHandle : LookUpTable)

Herror T_query_lut(const Htuple WindowHandle, Htuple* LookUpTable)

void QueryLut(const HTuple& WindowHandle, HTuple* LookUpTable)

HTuple HWindow::QueryLut() const

static void HOperatorSet.QueryLut(HTuple windowHandle, out HTuple lookUpTable)

HTuple HWindow.QueryLut()

def query_lut(window_handle: HHandle) -> Sequence[str]

Description

query_lutquery_lutQueryLutQueryLutquery_lut returns the names of all look-up-tables available on the current used device. These tables can be set with set_lutset_lutSetLutSetLutset_lut. An table named 'default' is always available.

Execution Information

  • Multithreading type: reentrant (runs in parallel with non-exclusive operators).
  • Multithreading scope: global (may be called from any thread).
  • Processed without parallelization.

Parameters

WindowHandleWindowHandleWindowHandlewindowHandlewindow_handle (input_control)  window → HWindow, HTupleHHandleHTupleHtuple (handle) (IntPtr) (HHandle) (handle)

Window handle.

LookUpTableLookUpTableLookUpTablelookUpTablelook_up_table (output_control)  string-array → HTupleSequence[str]HTupleHtuple (string) (string) (HString) (char*)

Names of look-up-tables.

Result

query_lutquery_lutQueryLutQueryLutquery_lut returns 2 ( H_MSG_TRUE) if a window is valid. Otherwise an exception is raised.

Possible Successors

set_lutset_lutSetLutSetLutset_lut, disp_lutdisp_lutDispLutDispLutdisp_lut

See also

set_lutset_lutSetLutSetLutset_lut

Module

Foundation

ClassesClasses | | Operators