cz.cuni.jagrlib.iface
Interface FunctionR2ToR2

All Superinterfaces:

Property

All Known Implementing Classes:

DefaultFunctionR2ToR2, Deformations, FeatureDeformation, TriMeshDeformation

public interface FunctionR2ToR2
extends Property

General mapping from R² to R².

Since:

0.10

See Also:

FunctionR2ToR2.java

Field Summary

Fields inherited from interface cz.cuni.jagrlib.iface.Property

LOGGING, STATISTICS, TEXT_DESCRIPTION

Method Summary

boolean	df(double x, double y, double[] d) Compute partial derivatives: du(x,y)/dx, du(x,y)/dy, dv(x,y)/dx and dv(x,y)/dy.
boolean	dfInv(double u, double v, double[] d) Compute partial derivatives of inverse mapping: dx(u,v)/du, dx(u,v)/dv, dy(u,v)/du and dy(u,v)/dv.
void	f(double x, double y, double[] res) Compute the mapping: f(x,y).
boolean	fInv(double u, double v, double[] res) Compute the inverse mapping: f-1(u,v).
boolean	getDomain(double[] dom) Returns domain of the mapping.
boolean	getRange(double[] rng) Returns range of the mapping.

Methods inherited from interface cz.cuni.jagrlib.iface.Property

commit, get, set

Method Detail

f

void f(double x,
       double y,
       double[] res)

Compute the mapping: f(x,y).

Parameters:

x - X coordinate (1st argument).

y - Y coordinate (2nd argument).

res - Result array (res[0] = U coordinate, res[1] = V coordinate).

df

boolean df(double x,
           double y,
           double[] d)

Compute partial derivatives: du(x,y)/dx, du(x,y)/dy, dv(x,y)/dx and dv(x,y)/dy.

Parameters:

x - X coordinate (1st argument).

y - Y coordinate (2nd argument).

d - Array to hold results (d[0] = du(x,y)/dx, d[1] = du(x,y)/dy, d[2] = dv(x,y)/dx, d[3] = dv(x,y)/dy).

Returns:

true if this service is implemented.

fInv

boolean fInv(double u,
             double v,
             double[] res)

Compute the inverse mapping: f^-1(u,v).

Parameters:

u - U coordinate (1st argument).

v - V coordinate (2nd argument).

res - Result array (res[0] = X coordinate, res[1] = Y coordinate).

Returns:

true if this service is implemented.

dfInv

boolean dfInv(double u,
              double v,
              double[] d)

Compute partial derivatives of inverse mapping: dx(u,v)/du, dx(u,v)/dv, dy(u,v)/du and dy(u,v)/dv.

Parameters:

u - U coordinate (1st argument).

v - V coordinate (2nd argument).

d - Array to hold results (d[0] = dx(u,v)/du, d[1] = dx(u,v)/dv, d[2] = dy(u,v)/du, d[3] = dy(u,v)/dv).

Returns:

true if this service is implemented.

getDomain

boolean getDomain(double[] dom)

Returns domain of the mapping.

Parameters:

dom - Domain array (dom[0] = Xmin, dom[1] = Xmax, dom[2] = Ymin, dom[3] = Ymax).

Returns:

true if this service is implemented.

getRange

boolean getRange(double[] rng)

Returns range of the mapping.

Parameters:

rng - Range array (rng[0] = Umin, rng[1] = Umax, rng[2] = Vmin, rng[3] = Vmax).

Returns:

true if this service is implemented.