Update image on appdesigner

Hi.

I have placed an image object on my app. Then, within the startupFcn, the image gets a source with

app.Image.ImageSource = "C:\image.png";

Another routine will change the content of the image. This means the file gets overwritten. The new image shall now be displayed on the app. I tried to update the image object by passing again the path to the file

app.Image.ImageSource = "C:\image.png";

... but nothing happens on the app. I next tried to first "delete" the path and then send a new one

app.Image.ImageSource = "";
app.Image.ImageSource = "C:\image.png";

But still the image is not been updated. What can I do to tell the app that the content of the image has changed? Is there a refresh function for images?

Answer 1

[Kojiro Saito]

uiimage's ImageSource allows "m-by-n-by-3 truecolor image array", so how about specifying image array?

overWrittenImage = imread('C:\image.png');
app.Image.ImageSource = overWrittenImage;

[Inception]

Yes, this does the job. Thank you! :)