function ROI(app, index1, index2)
hold (app.Image, "on")
plot(app.Image, index1, index2, app.innerMarkerStyle, 'MarkerSize', app.CrosshairThickness.Value, 'Color', app.crossHairColour);
plot(app.Image, index1, index2, app.outerMarkerStyle, 'MarkerSize', app.CrosshairThickness.Value, 'Color', app.crossHairColour);
end
function DisplayImage(app)
app.currentImage = fullfile(app.imageFolder(app.imageNumber).folder, app.imageFolder(app.imageNumber).name);
app.Image.Position = [0 0 app.UIFigure.Position(3:4)];
app.img = imread(app.currentImage);
DisplayCrosshairs(app);
end
function DisplayCrosshairs(app)
I = imshow(app.currentImage, "Parent", app.Image);
axis(app.Image, "tight");
app.Image.XLim = [0 I.XData(2)];
app.Image.YLim = [0 I.YData(2)];
app.Width = app.Image.XLim;
app.Height = app.Image.YLim;
quarterHeight = app.Height(1)+range(app.Height)*0.25;
halfHeight = app.Height(1)+range(app.Height)*0.5;
threeQuarterHeight = app.Height(1)+range(app.Height)*0.75;
quarterWidth = app.Width(1)+range(app.Width)*0.25;
halfWidth = app.Width(1)+range(app.Width)*0.5;
threeQuarterWidth = app.Width(1)+range(app.Width)*0.75;
checkMatrix = [app.TopLeft.Value app.TopMiddle.Value app.TopRight.Value app.CentreLeft.Value app.CentreMiddle.Value app.CentreRight.Value app.BottomLeft.Value app.BottomMiddle.Value app.BottomRight.Value];
app.numSamplesPerImage = sum(checkMatrix, 1:9);
if checkMatrix(1) == 1
ROI(app, quarterHeight, quarterWidth);
elseif checkMatrix(2) == 1
ROI(app, quarterHeight, halfWidth);
elseif checkMatrix(3) == 1
ROI(app, quarterHeight, threeQuarterWidth);
elseif checkMatrix(4) == 1
ROI(app, halfHeight, quarterWidth);
elseif checkMatrix(5) == 1
ROI(app, halfHeight, halfWidth);
elseif checkMatrix(6) == 1
ROI(app, halfHeight, threeQuarterWidth);
elseif checkMatrix(7) == 1
ROI(app, threeQuarterHeight, quarterWidth);
elseif checkMatrix(8) == 1
ROI(app, threeQuarterHeight, halfWidth);
elseif checkMatrix(9) == 1
ROI(app, threeQuarterHeight, threeQuarterWidth);
else
msgbox('Please select a quadrant for the crosshair to be displayed in');
end
end
function startupFcn(app)
pause(1);
title(app.Image, []);
xlabel(app.Image, []);
ylabel(app.Image, []);
app.Image.XAxis.TickLabels = {};
app.Image.YAxis.TickLabels = {};
app.UIFigure.WindowState = 'maximized';
disableDefaultInteractivity(app.Image)
app.Counts = [zeros(8, 1)];
app.Percentages = [zeros(8, 1)];
app.CokeTable.Data = [app.Counts, app.Percentages];
app.CokeTable.Position = [73 -1 168 265];
app.tallyOrder = [1];
app.innerMarkerStyle = '+';
app.outerMarkerStyle = 'o';
app.crossHairColour = 'w';
end
