grunt-responsive-images | Produce images at different sizes | Computer Vision library

i'm creating responsive images with grunt but i don't want changing its name

my code :

I'm trying to re-size and compress 8 images on a website so I resize and compress the images. However, when I implement the Grunt responsive images task it says success, but not for the parameters I have entered. Specifically, it indicates:

Running "responsive_images:dev" (responsive_images) task

Resized 8 files for 120x110

However, for the responsive images input, I have:

I'm trying to set up grunt with grunt-responsive-images, and getting the following error:

Warning: Could not execute GraphicsMagick/ImageMagick: gm "identify" "-ping" "-format" "%m:%T:%s" "assets/_img/bgAbout.jpg" this most likely means the gm/convert binaries can't be found

The npm and ImageMagick are both installed, have also tried GraphicsMagick (with default engine) to no avail.

I've verified all my versions of node/grunt/packages and I'm on Windows 10 if that's helpful info.

relevant bits from gruntfile.js:

I am new to grunt and I'm having a tough time trying to figure out what I've done wrong.

When I run it I get the error "Unable to compile; no valid source files were found."

If anyone could give me some advice as to how to fix it, I would appreciate it.

Here is my gruntfile:

Goal - I am setting up an asset pipeline using grunt to convert and compress image files for a website.

Issue - grunt-responsive-images fails to find gm/convert.

Warning: Could not execute GraphicsMagick/ImageMagick: identify "-ping" "-format" "%m:%T:%s" "src/css/images/test.jpg" this most likely means the gm/convert binaries can't be found

GraphicsMagick is installed, and I am able to call gm version from the same directory:

GraphicsMagick 1.3.25 2016-09-05 Q16 http://www.GraphicsMagick.org/

If I comment out the engine: 'im' line below, the task runs and size and compression settings are applied.

I have installed the Graphicmagik and created the following Gruntfile.js: