he property described, reasonable. Focus on examination of important and common POI information.
7. The quality of road network
Mainly on the quality of road network: accuracy of the navigation points, network connectivity, road integrity.
8. Display picture quality
Mainly on the visual display quality and satisfaction, including the distribution of surface features are called reasonable, rational distribution of notes, data, reasonable proportion of scale, background and location of the road between the geometric correctness of the picture effect of the adjacent scale echelon rationality of such changes.
Evaluation of six navigation map products
(A) of the Environmental Assessment
1. PARTICIPATING products, a number of cities with at least a digital map, and the national inter-city digital map of the region. The scope of the city 3 days in advance by the Association provisional designation of other areas of the data is not limited.
2. The provisions of paragraph 1, the navigation map of the region to participate in product testing unit self-loading vehicle navigation device, measured by the reference unit personnel in accordance with the requirements of the judges one by one operation.
3. Assessment is divided into indoor evaluation and field evaluation of two parts. Field evaluation of the required units of vehicles owned by the parameters measured. Assessment in Beijing.
(B) of the indoor measurement
Indoor Assessment Project and the "navigation map database evaluation," basically the same, no longer tired state.
(C) Field evaluation
There are three field evaluation: Check the network, POI data check and guide the data checks.
(This test will try to exclude the impact of software)
1. Road network check
Check the network using the first calculation of the main line, and then field-testing methods.
Judges for the purpose of designing a number of different test routes, the same path calculation devices, compared to map out the rout |
Last data update: 10.12.2011