A. Preparation for basic data
1) Building the spatial geodatabase for capacity total
control
Because the sources of the data were different, the figure
and attribute data which the environmental protection
department had were different too. For example, the drainage
maps of adjacent region were different types, so the statistics
fields of pollution source needed to change frequently.
Generally speaking, these data were integrated together
difficultly, and only used respectively, that had reduced the use
value of the data.