Jason

Last seen: 1 day ago | Active since 2011

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Saving a grid of lines to be recalled using findobj and assigning to an app property
Maybe I should back away from graphic object handles and just use XLine and Yline to create my grid and just save the vector val...

24 days ago | 0

Question

Saving a grid of lines to be recalled using findobj and assigning to an app property
Hi, I have an image on uiaxes that I often draw a grid on and each region I perform some kind of analysis. For example in the pi...

24 days ago | 3 answers | 0

3

answers

Question

Group multiple lines to one "object" and be able to "toggle" on or off
Hi, I have this functioj that draws a grid on an image function drawGrid(RowSize,ColSize,IM,ax) % Rowsize=512 % C...

25 days ago | 1 answer | 0

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answer

Answered
Setting the UserData property of a plot with max and min values
Think I have the answer, this works p.UserData % See current value p.UserData=[mx,mn] % Set mx &...

1 month ago | 0

| accepted

Question

Setting the UserData property of a plot with max and min values
Hello, I am wanting to normalise a plot (between 0 and 1) with the option of undoing it. This is my code to perform the norma...

1 month ago | 2 answers | 0

2

answers

Question

Extracting spot coordinates from an given line in an image for an almost regular hex pattern of spots but when there is a slight tilt on Y coordinate values.
Hello, I have greyscale image that I am trying to get the positons of the centroids within a given row (i.e the red line below) ...

4 months ago | 1 answer | 0

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answer

Question

Create an extra row in a table that show the means of all columns (but without any extra headings)
Hello, I have a table that I have created and display it in text area This is my code: params = ["ROI_L";"ROI_C";"RO...

4 months ago | 1 answer | 0

1

answer

Question

Problem with fit Model with odd order polynomial
Hi, I have the data as below. Its fits OK'ish to a 3rd order (odd polynomial), but then becomes terrible when trying a 5th orde...

4 months ago | 2 answers | 0

2

answers

Answered
Looping thru lists containing ROI's and Axes, then creating a table - rather than using the same code sequentially
Seems like this works IMlist={ROI1,ROI2,ROI3}; AXlist={ax1,ax2,ax3}; FWHMX=[]; FWHMY=[]; FWHM2D=[]; CenInt=[]; ...

4 months ago | 0

| accepted

Question

Looping thru lists containing ROI's and Axes, then creating a table - rather than using the same code sequentially
Hello, I have 3 ROI (images), ROI1, ROI2 & ROI3 that are children of their respective uiaxes (ax1,ax2,ax3) Im interested in c...

4 months ago | 1 answer | 0

1

answer

Question

Indexing vectors with a zero and creating a "predicted" vector knowing what the diff should be
I have some measured values as below (that should be multiples of some fixed value) xmeasured = -52.9734 -39.7061 -26.4657 ...

4 months ago | 3 answers | 0

3

answers

Question

Extract certain data from array where repeats are present (but constant values)
Hello, I have some data where I my relevant column (Y position) is as this yellow graph I want to pull out just the data tha...

4 months ago | 1 answer | 0

1

answer

Question

Extracting Data from Cell array with multiple values per column
Hi, I have this cell array of 4 columns, but in each column there are 3 values. RESHAPED D2 = 195×4 cell array {["...

4 months ago | 2 answers | 0

2

answers

Question

Populating a tiledlayout vertically rather than horizontally
Hi, I have an 1D array of images in a cell array. I want to montage them using my own settings, so I have been using tiledlayo...

5 months ago | 1 answer | 0

1

answer

Question

Assigning tstart to tic, when tic is a timer start function
Hello, Im using a timer object to set some function going with a delay that occurs at a time whilst a loop containing a pause is...

5 months ago | 1 answer | 0

1

answer

Question

Inserting additional data in an already created table
Hello, Im messing around with tables again and create one from the user inputs from inputdlg prompt = {'Soak(s)','Soak Move...

6 months ago | 2 answers | 0

2

answers

Question

Remove outliers but be careful with end points
Hi, I have some typcial data like this that I want to remove the outliers (red arrows) I use the rmoutliers function and th...

6 months ago | 2 answers | 0

2

answers

Question

Cell array Filtering when using readlines
Hello, after I have read an array from a piece of equipment writeline(s,command); pause(0.02); data='N/A'; nb=s.NumBytesAva...

6 months ago | 2 answers | 0

2

answers

Question

Using Summary on a table to access just the last 2 column stats
Hello, I have an array of numbers that I want to apply the "summary" feature associated with tables to. This is because I want t...

6 months ago | 3 answers | 0

3

answers

Question

Heatmap and surf plot of same data is looking different. Also is there a better way to 2D smooth
Hello, I am trying to estimate the background of this image. One way I would like to try is to break the image up into small re...

6 months ago | 1 answer | 0

1

answer

Answered
Image analysis - Bounding Box converted to Circular Mask
This seems to work: result=[]; for i=1:n R=max(BB(i,3),BB(i,4)); ...

6 months ago | 0

Question

Image analysis - Bounding Box converted to Circular Mask
Hello, I have a greyscale image that I have located the centroids, binarised, area filtered and then drawn bounding boxes around...

6 months ago | 2 answers | 0

2

answers

Question

Help with getting data from image at equidistant positions from the centre - to include the "off circle corners"
Hello, I have an image and I want to get the median of data at each radius value. This is shown by the yellow circles - so eac...

7 months ago | 3 answers | 0

3

answers

Question

App designer Line Number jumps, hiding Code
Hello, has anyone else observed a jump in line number in the "code View" editor in appdesigner. In the example below it goes fro...

7 months ago | 1 answer | 0

1

answer

Answered
automate scatter markers colours in groups
Perhaps I should start a new question, apologies if I should. The data I showed in groups of 2 has the same measurement in pa...

7 months ago | 0

Question

automate scatter markers colours in groups
Hello, I have a line plot with 28 points, and I want to colour the points in groups of 2, so points 1,2, 3,4, 5,6 I start...

7 months ago | 5 answers | 0

5

answers

Answered
Creating new data where each new row is the minimum (of 2nd column) of each 2 rows.
Seems like this works (had to delete last row from data) B = reshape(y,[2,10]) % Each column is a pair of row data C=min(...

8 months ago | 0

| accepted

Question

Creating new data where each new row is the minimum (of 2nd column) of each 2 rows.
Hello, I have the following data and I want to create a new set such that for each 2 rows of data, the row is taken with the lo...

8 months ago | 1 answer | 0

1

answer

Question

Make calculation on line profile (Intensity) through object on image
Hello, I have an image that I want to approx the size of the central blob. For this I just create a line profile fo the in...

8 months ago | 2 answers | 0

2

answers

Question

Filtering Blobs on a Binary Image
Hi, I have a 12bit grayscale image of some beads. I want to make measurements on the central one and as a first approach, I want...

8 months ago | 1 answer | 0

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