分析模块，包含各种空间分析功能
Classes
- BackLine
- CalculateSlope
- CutFill
- ElevationHeatMap
- FacadeAnalysis
- FloodAnalysis
- LimitHeight
- ModelFlat
- ModelSectionAnalysis
- NearestPointAnalysis
- PipeLineCrossSection
- SectionAnalysis
- SkylineAnalysis
- SlopeAnalysis
- Sunlight
- TerrainSectionAnalysis
- TerrainTINAnalysis
- ViewCorridorAnalysis
- ViewDomeAnalysis
- ViewShedAnalysis
- VisibilityAnalysis
- WaterPollutionAnalysis