Fig. 1. Administrative division of study area

Fig. 2. A comprehensive research process framework on urban crowd gathering characteristics and emotional response

Fig. 3. Social semantic network structure

Fig. 4. Distribution of population concentration index

Fig. 5. Tidal index clustering characteristics of population

Fig. 6. Multidimensional emotional spatial distribution of user groups in Xi 'an City

Fig. 7. Emotional intensity statistics

Fig. 8. The ellipse focuses on the study area

Fig. 9. The emotional semantic network of different periods