Data collection and prepocessing script on Google Earth Engine Source code of Spatially-informed Gaussian Process Regression (Si-GPR) for estimating 1km building height across China in 2017. The SepGPR.py is the source code of Spatially-explicit GPR for establishing city-wise building height estimation. The SimGPR.py is the source code of Spatially-implicit GPR for establishing one-batch building height estimation across China.