23.1. QGISアルゴリズムプロバイダー¶
QGISのアルゴリズムプロバイダーは、ほとんどはQGISのAPIだけを使用して、さまざまな解析とジオプロセッシング操作を実装しています。だから、このプロバイダーからのほとんどすべてのアルゴリズムは、追加設定なしで「箱から出してそのまま」動作します。
このプロバイダーには、プラグインのアルゴリズムが組み込まれており、独自のアルゴリズムも追加されています。
- 23.1.1. 地図製作
- 23.1.2. データベース
- 23.1.3. File tools
- 23.1.4. Graphics
- 23.1.5. 補間
- 23.1.6. Layer tools
- 23.1.7. Modeler tools
- 23.1.8. Network analysis
- 23.1.9. ラスタ分析
- 23.1.9.1. Raster boolean AND
- 23.1.9.2. Raster boolean OR
- 23.1.9.3. ラスタ計算機
- 23.1.9.4. Raster layer statistics
- 23.1.9.5. Raster layer unique values report
- 23.1.9.6. Raster layer zonal statistics
- 23.1.9.7. Raster surface volume
- 23.1.9.8. Reclassify by layer
- 23.1.9.9. Reclassify by table
- 23.1.9.10. Sample raster values
- 23.1.9.11. Zonal histogram
- 23.1.9.12. Zonal statistics
- 23.1.10. Raster terrain analysis
- 23.1.11. Raster tools
- 23.1.12. Vector analysis
- 23.1.12.1. フィールドの基本統計
- 23.1.12.2. Climb along line
- 23.1.12.3. Count points in polygon
- 23.1.12.4. DBSCAN clustering
- 23.1.12.5. Distance matrix
- 23.1.12.6. Distance to nearest hub (line to hub)
- 23.1.12.7. Distance to nearest hub (points)
- 23.1.12.8. Join by lines (hub lines)
- 23.1.12.9. K-means clustering
- 23.1.12.10. List unique values
- 23.1.12.11. Mean coordinate(s)
- 23.1.12.12. Nearest neighbour analysis
- 23.1.12.13. Overlap analysis
- 23.1.12.14. Statistics by categories
- 23.1.12.15. Sum line lengths
- 23.1.13. Vector creation
- 23.1.13.1. Array of offset (parallel) lines
- 23.1.13.2. Array of translated features
- 23.1.13.3. Create grid
- 23.1.13.4. Create points layer from table
- 23.1.13.5. Generate points (pixel centroids) along line
- 23.1.13.6. Generate points (pixel centroids) inside polygon
- 23.1.13.7. Import geotagged photos
- 23.1.13.8. Points to path
- 23.1.13.9. Random points along line
- 23.1.13.10. Random points in extent
- 23.1.13.11. Random points in layer bounds
- 23.1.13.12. Random points inside polygons
- 23.1.13.13. Raster pixels to points
- 23.1.13.14. Raster pixels to polygons
- 23.1.13.15. Regular points
- 23.1.14. ベクタ一般
- 23.1.14.1. 投影法の割り当て
- 23.1.14.2. 仮想ベクタの作成
- 23.1.14.3. Convert layer to spatial bookmarks
- 23.1.14.4. Convert spatial bookmarks to layer
- 23.1.14.5. Create attribute index
- 23.1.14.6. Create spatial index
- 23.1.14.7. Define Shapefile projection
- 23.1.14.8. Delete duplicate geometries
- 23.1.14.9. Delete duplicates by attribute
- 23.1.14.10. Drop geometries
- 23.1.14.11. Execute SQL
- 23.1.14.12. Extract selected features
- 23.1.14.13. Find projection
- 23.1.14.14. Join attributes by field value
- 23.1.14.15. Join attributes by location
- 23.1.14.16. Join attributes by location (summary)
- 23.1.14.17. Join attributes by nearest
- 23.1.14.18. Merge vector layers
- 23.1.14.19. Order by expression
- 23.1.14.20. Reproject layer
- 23.1.14.21. Set style for vector layer
- 23.1.14.22. Split features by character
- 23.1.14.23. Split vector layer
- 23.1.14.24. Truncate table
- 23.1.15. ベクタジオメトリ
- 23.1.15.1. ジオメトリ属性を追加する
- 23.1.15.2. Aggregate
- 23.1.15.3. Boundary
- 23.1.15.4. Bounding boxes
- 23.1.15.5. Buffer
- 23.1.15.6. 重心
- 23.1.15.7. Check validity
- 23.1.15.8. Collect geometries
- 23.1.15.9. Concave hull (alpha shapes)
- 23.1.15.10. Concave hull (k-nearest neighbor)
- 23.1.15.11. Convert geometry type
- 23.1.15.12. Convex hull
- 23.1.15.13. Create layer from extent
- 23.1.15.14. Create layer from point
- 23.1.15.15. Create wedge buffers
- 23.1.15.16. Delaunay triangulation
- 23.1.15.17. Delete holes
- 23.1.15.18. Densify by count
- 23.1.15.19. 間隔による高密度化
- 23.1.15.20. ディゾルブ
- 23.1.15.21. Drape (set Z value from raster)
- 23.1.15.22. Drop M/Z values
- 23.1.15.23. 選択ポリゴンを除去
- 23.1.15.24. Explode lines
- 23.1.15.25. Extend lines
- 23.1.15.26. Extract M values
- 23.1.15.27. Extract specific vertices
- 23.1.15.28. Extract vertices
- 23.1.15.29. Extract Z values
- 23.1.15.30. Filter vertices by M value
- 23.1.15.31. Filter vertices by Z value
- 23.1.15.32. Fix geometries
- 23.1.15.33. Force right-hand-rule
- 23.1.15.34. Geodesic line split at antimeridian
- 23.1.15.35. Geometry by expression
- 23.1.15.36. Interpolate point on line
- 23.1.15.37. Keep N biggest parts
- 23.1.15.38. Line substring
- 23.1.15.39. Lines to polygons
- 23.1.15.40. Merge lines
- 23.1.15.41. Minimum bounding geometry
- 23.1.15.42. Minimum enclosing circles
- 23.1.15.43. Multi-ring buffer (constant distance)
- 23.1.15.44. Multipart to singleparts
- 23.1.15.45. Offset lines
- 23.1.15.46. Oriented minimum bounding box
- 23.1.15.47. Orthogonalize
- 23.1.15.48. Point on Surface
- 23.1.15.49. Points along geometry
- 23.1.15.50. Points displacement
- 23.1.15.51. Pole of inaccessibility
- 23.1.15.52. Polygonize
- 23.1.15.53. Polygons to lines
- 23.1.15.54. Project points (Cartesian)
- 23.1.15.55. Promote to multipart
- 23.1.15.56. Rectangles, ovals, diamonds (fixed)
- 23.1.15.57. Rectangles, ovals, diamonds (variable)
- 23.1.15.58. Remove duplicate vertices
- 23.1.15.59. Remove null geometries
- 23.1.15.60. Reverse line direction
- 23.1.15.61. Rotate
- 23.1.15.62. Segmentize by maximum angle
- 23.1.15.63. Segmentize by maximum distance
- 23.1.15.64. Set M value
- 23.1.15.65. Set M value from raster
- 23.1.15.66. Set Z value
- 23.1.15.67. Simplify
- 23.1.15.68. Single sided buffer
- 23.1.15.69. Smooth
- 23.1.15.70. Snap geometries to layer
- 23.1.15.71. Snap points to grid
- 23.1.15.72. Split lines by maximum length
- 23.1.15.73. Subdivide
- 23.1.15.74. Swap X and Y coordinates
- 23.1.15.75. Tapered buffers
- 23.1.15.76. Tessellate
- 23.1.15.77. Transect
- 23.1.15.78. Translate
- 23.1.15.79. Variable distance buffer
- 23.1.15.80. Variable width buffer (by M value)
- 23.1.15.81. Voronoi polygons
- 23.1.16. Vector overlay
- 23.1.17. Vector selection
- 23.1.17.1. Extract by attribute
- 23.1.17.2. Extract by expression
- 23.1.17.3. Extract by location
- 23.1.17.4. Random extract
- 23.1.17.5. Random extract within subsets
- 23.1.17.6. Random selection
- 23.1.17.7. Random selection within subsets
- 23.1.17.8. Select by attribute
- 23.1.17.9. Select by expression
- 23.1.17.10. 場所による選択
- 23.1.18. Vector table
- 23.1.18.1. Add autoincremental field
- 23.1.18.2. Add field to attributes table
- 23.1.18.3. Add unique value index field
- 23.1.18.4. Add X/Y fields to layer
- 23.1.18.5. Advanced Python field calculator
- 23.1.18.6. Drop field(s)
- 23.1.18.7. Explode HStore Field
- 23.1.18.8. Extract binary field
- 23.1.18.9. Feature filter
- 23.1.18.10. Field calculator
- 23.1.18.11. Refactor fields
- 23.1.18.12. Text to float