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Commit 143c1ed7 authored by jml1g18's avatar jml1g18
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other libraries to make code independent

parent f13ff8ab
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batch_execute.m
View file @ 143c1ed7
......@@ -13,6 +13,10 @@ function batch_execute(job_dir)
hostname= getenv('HOSTNAME');
end
%% add to path
cur_dir = fileparts(mfilename('fullpath'));
addpath(genpath(cur_dir));
%% report
fprintf('--------------------------------------------------------------\n');
fprintf('[%s] %s BATCH PROCESSING BEGIN\n', hostname, datestr(now));
......
job_create.m
View file @ 143c1ed7
......@@ -5,6 +5,7 @@
% j.m.lawson@soton.ac.uk
% Created: 11/09/2019
%
addpath(genpath(fileparts(mfilename('fullpath'))));
%% input parameters: file paths
% where to save jobs
......@@ -29,7 +30,7 @@ vec_pat = '%s/B%05d.mat'; % output vector field file pattern
% processing flags
b_use_mask = true; % use mask file?
b_overwrite = true; % overwrite existing vector fields?
b_execute_now = false; % start processing now?
b_execute_now = true; % start processing now?
% PIV correlation settings
i_frames = {[1 2],[3 4]}; % indices of frame pairs to cross-correlate
......
misc/clim.m 0 → 100644
View file @ 143c1ed7
function clim(lim)
set(gca, 'clim', lim);
end
\ No newline at end of file
misc/hms.m 0 → 100644
View file @ 143c1ed7
function ret = hms(seconds_elapsed)
ret = fix(mod(seconds_elapsed, [0, 3600, 60]) ./ [3600, 60, 1]);
end
\ No newline at end of file
misc/lsqgradient2d.m 0 → 100644
View file @ 143c1ed7
function [dFdx, dFdy] = lsqgradient2d(F, dx, dy)
%% [dFdx, dFdy] = lsqgradient(F, dx, dy)
% computes numerical gradient based on second order,
% least squares approximation as detailed in PIV: A Practical Guide
%
% dF/dx_i ~= 2 f_(i+2) + f_(i+1) - f(i-1) - 2f_(i-2)
% ------------------------------------
% 10 dx_i
%
% F must be a 2D array of size Nx x Ny
% dFdx_i an Nx x Ny array
% at the edges,
% dFdx_i is calculated with either first order central
% differences or at the very edges, forwards/backwards differences
%
%% parse input
if nargin < 2
dx = 1;
dy = 1;
elseif nargin < 3
dy = 1;
end
%% allocate memory for dFdx
Nx = size(F, 1);
Ny = size(F, 2);
dFdx = nan(size(F), class(F));
dFdy = nan(size(F), class(F));
%% forwards and backwards difference at edges
dFdx(1, :) = (F(2,:) - F(1,:) ) / dx;
dFdy(:, 1) = (F(:,2) - F(:,1) ) / dy;
dFdx(end,:) = (F(end,:) - F(end-1,:)) / dx;
dFdy(:,end) = (F(:,end) - F(:,end-1)) / dy;
%% first order central difference near edges
if Nx >= 3
for i = [2 Nx-1]
dFdx(i, :) = (F(i+1,:) - F(i-1,:)) / (2*dx);
end
end
if Ny >= 3
for j = [2 Ny-1]
dFdy(:, j) = (F(:,j+1) - F(:,j-1)) / (2*dy);
end
end
%% second order least squares near middle
% use an expansion of f(x)' which is accurate to O(dx^4)
for i = 3:(Nx-2)
dFdx(i, :) = (2*F(i+2,:) + F(i+1,:) - F(i-1,:) - 2*F(i-2,:)) / (10*dx);
end
for j = 3:(Ny-2)
dFdy(:, j) = (2*F(:,j+2) + F(:,j+1) - F(:,j-1) - 2*F(:,j-2)) / (10*dy);
end
end
misc/redblue.m 0 → 100644
View file @ 143c1ed7
function c = redblue(m)
%REDBLUE Shades of red and blue color map
% REDBLUE(M), is an M-by-3 matrix that defines a colormap.
% The colors begin with bright blue, range through shades of
% blue to white, and then through shades of red to bright red.
% REDBLUE, by itself, is the same length as the current figure's
% colormap. If no figure exists, MATLAB creates one.
%
% For example, to reset the colormap of the current figure:
%
% colormap(redblue)
%
% See also HSV, GRAY, HOT, BONE, COPPER, PINK, FLAG,
% COLORMAP, RGBPLOT.
% Adam Auton, 9th October 2009
if nargin < 1, m = size(get(gcf,'colormap'),1); end
if (mod(m,2) == 0)
% From [0 0 1] to [1 1 1], then [1 1 1] to [1 0 0];
m1 = m*0.5;
r = (0:m1-1)'/max(m1-1,1);
g = r;
r = [r; ones(m1,1)];
g = [g; flipud(g)];
b = flipud(r);
else
% From [0 0 1] to [1 1 1] to [1 0 0];
m1 = floor(m*0.5);
r = (0:m1-1)'/max(m1,1);
g = r;
r = [r; ones(m1+1,1)];
g = [g; 1; flipud(g)];
b = flipud(r);
end
c = [r g b];
readimx/MakeFrameInfo.m 0 → 100644
View file @ 143c1ed7
function [frameInfo]=MakeFrameInfo(Frame)
Names = Frame.ComponentNames;
frameInfo.choices = zeros(12,1);
for i=1:size(Names,1),
if strcmp(Names{i},'U0')==1, frameInfo.choices( 1) = i; end;
if strcmp(Names{i},'V0')==1, frameInfo.choices( 2) = i; end;
if strcmp(Names{i},'W0')==1, frameInfo.choices( 3) = i; end;
if strcmp(Names{i},'U1')==1, frameInfo.choices( 4) = i; end;
if strcmp(Names{i},'V1')==1, frameInfo.choices( 5) = i; end;
if strcmp(Names{i},'W1')==1, frameInfo.choices( 6) = i; end;
if strcmp(Names{i},'U2')==1, frameInfo.choices( 7) = i; end;
if strcmp(Names{i},'V2')==1, frameInfo.choices( 8) = i; end;
if strcmp(Names{i},'W2')==1, frameInfo.choices( 9) = i; end;
if strcmp(Names{i},'U3')==1, frameInfo.choices(10) = i; end;
if strcmp(Names{i},'V3')==1, frameInfo.choices(11) = i; end;
if strcmp(Names{i},'W3')==1, frameInfo.choices(12) = i; end;
if strcmp(Names{i},'ACTIVE_CHOICE')== 1, frameInfo.best = i; end;
if strcmp(Names{i},'ENABLED') == 1, frameInfo.enable = i; end;
if strcmp(Names{i},'MASK') == 1, frameInfo.mask = i; end;
end
frameInfo.Grids = Frame.Grids;
frameInfo.Scales.X = Frame.Scales.X;
frameInfo.Scales.Y = Frame.Scales.Y;
frameInfo.Scales.Z = Frame.Scales.Z;
frameInfo.Scales.I = Frame.Scales.I;
frameInfo.is3D = (frameInfo.choices(3) > 0);
frameInfo.hasChoices = (frameInfo.choices(4) > 0);
\ No newline at end of file
readimx/Qt 5.7.0.txt 0 → 100644
View file @ 143c1ed7
See the end of this document for further assistance from LaVision related to the LGPLv3 licencing of Qt 5.7.0. GENERAL
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