We have several heat maps that were developed by an esri contract developer when our implementation was first put in place. The heat maps work in Chrome but not in IE 11. In IE 11, only the points are rendered, the Heat maps are not. For security reasons, we are required to use one browser, and IE has generally been found to be the preferred product, so we selected that. If anyone has any ideas why heat maps work in Chrome and do not work in IE 11 and can offer a solution to correct the problem in IE 11, it would be greatly appreciated!
Have a great day! - Eric-