Discrete2DFunction¶
- class openmm.openmm.Discrete2DFunction(*args)¶
This is a TabulatedFunction that computes a discrete two dimensional function f(x,y). To evaluate it, x and y are each rounded to the nearest integer and the table element with those indices is returned. If either index is outside the range [0, size), the result is undefined.
- __init__(self, xsize, ysize, values) → Discrete2DFunction¶
- __init__(self, other) → Discrete2DFunction
Create a Discrete2DFunction f(x,y) based on a set of tabulated values.
- Parameters
xsize (int) – the number of table elements along the x direction
ysize (int) – the number of table elements along the y direction
values (vector< double >) – the tabulated values of the function f(x,y), ordered so that values[i+xsize*j] = f(i,j). This must be of length xsize*ysize.
Methods
Copy
(self)Create a deep copy of the tabulated function
__init__
(-> Discrete2DFunction)Create a Discrete2DFunction f(x,y) based on a set of tabulated values.
getFunctionParameters
(self)Get the parameters for the tabulated function.
getPeriodic
(self)Get the periodicity status of the tabulated function.
getUpdateCount
(self)Get the value of a counter that is updated every time setFunctionParameters() is called.
setFunctionParameters
(self, xsize, ysize, values)Set the parameters for the tabulated function.
Attributes
The membership flag
- property thisown¶
The membership flag
- getFunctionParameters(self)¶
Get the parameters for the tabulated function.
- Returns
xsize (int) – the number of table elements along the x direction
ysize (int) – the number of table elements along the y direction
values (vector< double >) – the tabulated values of the function f(x,y), ordered so that values[i+xsize*j] = f(i,j). This must be of length xsize*ysize.
- setFunctionParameters(self, xsize, ysize, values)¶
Set the parameters for the tabulated function.
- Parameters
xsize (int) – the number of table elements along the x direction
ysize (int) – the number of table elements along the y direction
values (vector< double >) – the tabulated values of the function f(x,y), ordered so that values[i+xsize*j] = f(i,j). This must be of length xsize*ysize.
- Copy(self) → Discrete2DFunction¶
Create a deep copy of the tabulated function
Deprecated
This will be removed in a future release.
- __eq__(self, other) → bool¶
- __ne__(self, other) → bool¶
- getPeriodic(self) → bool¶
Get the periodicity status of the tabulated function.
- getUpdateCount(self) → int¶
Get the value of a counter that is updated every time setFunctionParameters() is called. This provides a fast way to detect when a function has changed.