Last Update: 12/19/2018
If you have two graphs with exactly same formats but different layer/page sizes and export them as vector formats (PDF, EPS, EMF), you will find that the quality of the graph with small layer/page size is not so good as that of large size. It is because the source data and page size form the rendering input and different export result is what it will be. Large page size means much higher resolution input, and thus generates better quality.
To get a better export quality for the small size graph,
Keywords:graph size, bad quality, PDF, EPS, EMF, vector formats, export graph, DPI, Resolution