Skip to content

toolbox
toolbox
Commit 848c7178 authored by Marco Berzborn's avatar Marco Berzborn
Browse files
Options

added translation, rotation and scaling to itaCoordinates

parent 004eb62c
Hide whitespace changes
Inline Side-by-side
Showing with 77 additions and 41 deletions
kernel/ClassStuff/@itaCoordinates/itaCoordinates.m
View file @ 848c7178
......@@ -66,7 +66,7 @@ classdef itaCoordinates
elseif isstruct(varargin{1})
%% struct input/convert
fieldName = fieldnames(varargin{1});
for ind = 1:numel(fieldName);
for ind = 1:numel(fieldName)
try
this.(fieldName{ind}) = varargin{1}.(fieldName{ind});
catch errmsg
......@@ -294,29 +294,29 @@ classdef itaCoordinates
% do nothing
case 'sph'
% sph2cart
r = this.mCoord(:,1);
theta = this.mCoord(:,2);
phi = this.mCoord(:,3);
r = this.mCoord(:,1); %#ok<PROP>
theta = this.mCoord(:,2); %#ok<PROP>
phi = this.mCoord(:,3); %#ok<PROP>
% apply builtin transformation
[x,y,z] = sph2cart(phi, pi/2 - theta, r);
this.mCoord = [x y z];
[x,y,z] = sph2cart(phi, pi/2 - theta, r); %#ok<PROP>
this.mCoord = [x y z]; %#ok<PROP>
this.mCoordSystem = 'cart';
case 'cyl'
% cyl2cart
rho = this.mCoord(:,1);
phi = this.mCoord(:,2);
[x,y] = pol2cart(phi,rho);
this.mCoord(:,[1 2]) = [x y];
rho = this.mCoord(:,1); %#ok<PROP>
phi = this.mCoord(:,2); %#ok<PROP>
[x,y] = pol2cart(phi,rho); %#ok<PROP>
this.mCoord(:,[1 2]) = [x y]; %#ok<PROP>
this.mCoordSystem = 'cart';
case 'pol'
r = this.mCoord(:,1);
alpha = this.mCoord(:,2);
beta = this.mCoord(:,3);
z = r.*sin(alpha).*sin(beta);
rcoselev = r .* cos(beta);
x = rcoselev .* sin(alpha);
y = r.*cos(alpha);
this.mCoord = [x y z];
r = this.mCoord(:,1); %#ok<PROP>
alpha = this.mCoord(:,2); %#ok<PROP>
beta = this.mCoord(:,3); %#ok<PROP>
z = r.*sin(alpha).*sin(beta); %#ok<PROP>
rcoselev = r .* cos(beta); %#ok<PROP>
x = rcoselev .* sin(alpha); %#ok<PROP>
y = r.*cos(alpha); %#ok<PROP>
this.mCoord = [x y z]; %#ok<PROP>
this.mCoordSystem = 'cart';
otherwise
......@@ -327,16 +327,16 @@ classdef itaCoordinates
switch this.mCoordSystem
case 'cart'
% cart2sph
x = this.mCoord(:,1);
y = this.mCoord(:,2);
z = this.mCoord(:,3);
x = this.mCoord(:,1); %#ok<PROP>
y = this.mCoord(:,2); %#ok<PROP>
z = this.mCoord(:,3); %#ok<PROP>
% apply builtin transformation
[phiMod, thetaMod, r] = cart2sph(x,y,z);
[phiMod, thetaMod, r] = cart2sph(x,y,z); %#ok<PROP>
% phi = 0..2*pi
% theta = 0..pi
phi = mod(phiMod, 2*pi);
theta = pi/2 - thetaMod;
this.mCoord = [r theta phi];
phi = mod(phiMod, 2*pi); %#ok<PROP>
theta = pi/2 - thetaMod; %#ok<PROP>
this.mCoord = [r theta phi]; %#ok<PROP>
this.mCoordSystem = 'sph';
case 'sph'
% do nothing
......@@ -356,16 +356,16 @@ classdef itaCoordinates
switch this.mCoordSystem
case 'cart'
% cart2cyl
x = this.mCoord(:,1);
y = this.mCoord(:,2);
z = this.mCoord(:,3);
x = this.mCoord(:,1); %#ok<PROP>
y = this.mCoord(:,2); %#ok<PROP>
z = this.mCoord(:,3); %#ok<PROP>
% apply builtin transformation
[phiMod, rho] = cart2pol(x,y);
[phiMod, rho] = cart2pol(x,y); %#ok<PROP>
% phi = 0..2*pi
phi = mod(phiMod, 2*pi);
phi = mod(phiMod, 2*pi); %#ok<PROP>
this.mCoord = [rho phi z];
this.mCoord = [rho phi z]; %#ok<PROP>
this.mCoordSystem = 'cyl';
case 'sph'
% sph2cyl
......@@ -409,20 +409,20 @@ classdef itaCoordinates
switch this.mCoordSystem
case 'cart'
% cart2pol
x = this.mCoord(:,1);
y = this.mCoord(:,2);
z = this.mCoord(:,3);
x = this.mCoord(:,1); %#ok<PROP>
y = this.mCoord(:,2); %#ok<PROP>
z = this.mCoord(:,3); %#ok<PROP>
% apply builtin transformation
hypotxy = hypot(x,y);
r = hypot(hypotxy,z);
thetaMod = acos(y./r);
phiMod = atan2(z,x);
hypotxy = hypot(x,y); %#ok<PROP>
r = hypot(hypotxy,z); %#ok<PROP>
thetaMod = acos(y./r); %#ok<PROP>
phiMod = atan2(z,x); %#ok<PROP>
% phi = 0..2*pi
% theta = 0..pi
beta = mod(phiMod, 2*pi);
alpha = thetaMod;
this.mCoord = [r alpha beta];
beta = mod(phiMod, 2*pi); %#ok<PROP>
alpha = thetaMod; %#ok<PROP>
this.mCoord = [r alpha beta]; %#ok<PROP>
this.mCoordSystem = 'pol';
case 'sph'
% sph2pol
......@@ -458,6 +458,42 @@ classdef itaCoordinates
end
end
% Translation in x,y,z
% Syntax is itaCoord = itaCoord.translate([x,y,z]) as this is not a handle class
function this = translate(this, txyz)
if strcmp(this.mCoordSystem, 'cart')
transCoords = (makehgtform('translate',txyz) * [this.mCoord, ones(this.nPoints,1)].').';
this.mCoord = transCoords(:,1:3);
else
this = makeCart(this);
this = translate(this, txyz);
end
end
% Rotation around x,y,z-axis as defined by the Cartesian coordinate system in Matlab
% Syntax is itaCoord = itaCoord.rotate([x,y,z]) as this is not a handle class
function this = rotate(this, angles)
if strcmp(this.mCoordSystem, 'cart')
rotCoords = (makehgtform('xrotate',angles(1),'yrotate',angles(2),'zrotate',angles(3)) * [this.mCoord, ones(this.nPoints,1)].').';
this.mCoord = rotCoords(:,1:3);
else
this = makeCart(this);
this = rotate(this, angles);
end
end
% Scaling in x,y,z
% Syntax is itaCoord = itaCoord.scale([x,y,z]) as this is not a handle class
function this = scale(this, sxyz)
if strcmp(this.mCoordSystem, 'cart')
scaleCoords = (makehgtform('scale',sxyz) * [this.mCoord, ones(this.nPoints,1)].').';
this.mCoord = scaleCoords(:,1:3);
else
this = makeCart(this);
this = scale(this, sxyz);
end
end
function this = resize(this,n)
if n > size(this.mCoord,1)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment