This is a sample WiX Toolset installer project to show how to work with heat and xsl transformation.
The installer is located in folder HeatTransformation\Installer, the sample project which is installed is in HeatTransformation\HeatTransformation.
For better understanding see blogpost at http://blog.aitgmbh.de/2017/10/18/wix-heat-xsl-transformation/. The blogpost is written in german.
The main file is transform.xslt which contains the transformation of the through heat generated Fragment\BinariesFragment.wxs
Feel free to ask questions in form of issues.