Bandung, the capital of West Java, is the province with the largest population in Indonesia.Urban development is then interrelated with the number, structure, dynamics of the population, also the size of the area. The pattern of population distribution is an important point for the government in determining a City's Spatial Plan. Thus, this study aims to build a mapping system for population distribution and prediction in Bandung City, Indonesia. It will be very beneficial for the government, especially in making decisions for planning an area. The system implemented using the Google Maps platform APIs and the method of calculating Geometric models and processed data is data obtained from the Central Bureau of Statistics of the city of Bandung in the form of a sub-district catalogue in the reprocessed numbers. The results of the data processing are visualized into the Geographic Information System Web with information features in the form of population mapping, density, and prediction of the future population for each sub-district in the city of Bandung. Based on the results of testing the implementation of the Geometry model with the Black box method, the system's functionality has shown the appropriate results.

Bandung, the capital of West Java province, Indonesia has experienced rapid urbanization, which has affected the urban environment, including its building density, land use, and the quality of urban living. This specific urban morphology has had a significant effect on the urban microclimate. This study was aimed at describing the urban microclimate of three different overcrowded settlements, i.e., Linggawastu (overcrowded settlement), Gerlong Girang (moderately crowded), and Pasir Impun (least crowded). The discussion will detail aspects of the masses and buildings, the distance between buildings, the height of buildings, and the availability of green open spaces to give the perspective of urban morphology toward the microclimate. Fixed weather logger in those three locations were collected over one month, meanwhile the mobile measurements to find the micro-meteorological values of air temperature (Ta), globe temperature (Tg), humidity (RH), and wind speed (v) to define the mean radiant temperature (Tmrt). The measurements provided evidence of the trend of heat trapped in densely populated settlements shown in the diurnal temperature range from Tamax and Tamin (∆Ta) as only 3.2 °C. Meanwhile in Pasirimpun, which is least populated, ∆Ta = 9.5 °C. Linggawastu with building coverage ratio (BCR) > 96% gave the contribution of low Tg=28.3 °C, as there is less insolation penetration to the area. Thus, the PET for two densely populated areas, Linggawastu and Gerlong Girang, tends to be neutral to slightly cool. Nevertheless, this study points out the high humidity in the morning and afternoon, as well as the low air velocity, is a strong affecting factor.

Gedebage integrated vocational high school (SMK) is a school which accommodates the concept of technopolis. The school has four programs: building engineering, family welfare education (PKK/food service), mechanical engineering, and tourism - which produce skilled and ready-to-work graduates. This article aims to recommend the sun exposure toward the building of the school, which is related to site planning and design strategies based on the duration of solar radiation on vegetation, and building facades as well as the distance between buildings through the use of Chronolux plug-in on Sketch-up Software. From the measurement, it is found that vegetation can reduce sky view factors (SVF) from 76.4 to 38.87%. For the building façade, it is able to reduce sun exposure from 4 hours 51 minutes to 3 hours 19 minutes with SVF from 47.26 to 38.11%. Meanwhile, the building distance of 9 m receives sun exposure from 9:00 am to 3.42 pm.

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