100 GIS practical application cases (79) - key points of making multi plan integrated base map

The previous article has completed “ Multiple compliance ” Basic data warehousing , On this basis, urban and rural planning should be carried out separately 、 Integration of land use planning and ecological and environmental protection planning , formation Base map of urban and rural planning integration 、 Integrated base map of land use planning 、 Integrated base map of ecological and environmental protection planning , The construction space shall be clearly defined 、 The scope of agricultural space and ecological space , As the basis for the comparison of land use differences in the next step .

  One 、 Preparation of integrated base map of urban and rural planning  

1.1 Integration of urban planning and land

As shown in the figure , According to the classification standard of urban and rural land , Urban and rural master planning and urban master planning divide construction land and non construction land into several sub categories .

▲  Schematic diagram of land types in the overall urban and rural planning

▲  Schematic diagram of land types in the overall urban planning

According to the requirements of the multi compliance technical guidance , It is necessary to classify and integrate the construction land and non construction land , So as to facilitate the next comparison operation

（1） Reclassification of land types in urban and rural master planning

Open the attribute table of urban and rural master planning map , Add name is CXZG_JSYD（ General urban and rural planning _ Construction land ） Property field of , Select various types of construction land and non construction land according to their attributes , Then the field calculator is used to calculate the assignment , The unified assignment of construction land is 1, Non construction land is assigned as -1. According to this, the integrated base map of urban and rural overall planning and construction land is obtained .