24.1. Fornecedor de algoritmos QGIS

O fornecedor de algoritmos QGIS implementa várias operações de análise e geoprocessamento usando praticamente apenas a API do QGIS. Assim quase todos os algoritmos deste fornecedor funcionam «out of the box» sem necessidade de configuração adicional.

Este fornecedor inclui algoritmos próprios e provenientes de plugins.

• 24.1.1. Cartography
  • 24.1.1.1. Align points to features
  • 24.1.1.2. Combine style databases
  • 24.1.1.3. Create categorized renderer from styles
  • 24.1.1.4. Create style database from project
  • 24.1.1.5. Export atlas layout as image
  • 24.1.1.6. Export atlas layout as PDF
  • 24.1.1.7. Export print layout as image
  • 24.1.1.8. Export print layout as pdf
  • 24.1.1.9. Print layout map extent to layer
  • 24.1.1.10. Set layer style
  • 24.1.1.11. Topological coloring
• 24.1.2. Base de dados
  • 24.1.2.1. Export to PostgreSQL
  • 24.1.2.2. Export to SpatiaLite
  • 24.1.2.3. Package layers
  • 24.1.2.4. PostgreSQL execute and load SQL
  • 24.1.2.5. PostgreSQL execute SQL
  • 24.1.2.6. SpatiaLite execute SQL
  • 24.1.2.7. SpatiaLite execute SQL (registered DB)
• 24.1.3. File tools
  • 24.1.3.1. Download file
• 24.1.4. Interpolação
  • 24.1.4.1. Heatmap (kernel density estimation)
  • 24.1.4.2. IDW Interpolation
  • 24.1.4.3. Line Density
  • 24.1.4.4. TIN Interpolation
• 24.1.5. Layer tools
  • 24.1.5.1. Extract layer extent
• 24.1.6. Modeler tools
  • 24.1.6.1. Conditional branch
  • 24.1.6.2. Load layer into project
  • 24.1.6.3. Raise exception
  • 24.1.6.4. Raise warning
  • 24.1.6.5. Rename layer
  • 24.1.6.6. Save log to file
  • 24.1.6.7. Set project variable
  • 24.1.6.8. String concatenation
• 24.1.7. Network analysis
  • 24.1.7.1. Service area (from layer)
  • 24.1.7.2. Service area (from point)
  • 24.1.7.3. Shortest path (layer to point)
  • 24.1.7.4. Shortest path (point to layer)
  • 24.1.7.5. Shortest path (point to point)
• 24.1.8. Plots
  • 24.1.8.1. Bar plot
  • 24.1.8.2. Box plot
  • 24.1.8.3. Mean and standard deviation plot
  • 24.1.8.4. Polar plot
  • 24.1.8.5. Raster layer histogram
  • 24.1.8.6. Vector layer histogram
  • 24.1.8.7. Vector layer scatterplot
  • 24.1.8.8. Vector layer scatterplot 3D
• 24.1.9. Análise Raster
  • 24.1.9.1. Cell statistics
  • 24.1.9.2. Equal to frequency
  • 24.1.9.3. Fuzzify raster (gaussian membership)
  • 24.1.9.4. Fuzzify raster (large membership)
  • 24.1.9.5. Fuzzify raster (linear membership)
  • 24.1.9.6. Fuzzify raster (near membership)
  • 24.1.9.7. Fuzzify raster (power membership)
  • 24.1.9.8. Fuzzify raster (small membership)
  • 24.1.9.9. Greater than frequency
  • 24.1.9.10. Highest position in raster stack
  • 24.1.9.11. Less than frequency
  • 24.1.9.12. Lowest position in raster stack
  • 24.1.9.13. Raster boolean AND
  • 24.1.9.14. Raster boolean OR
  • 24.1.9.15. Raster calculator
  • 24.1.9.16. Raster layer statistics
  • 24.1.9.17. Raster layer unique values report
  • 24.1.9.18. Raster layer zonal statistics
  • 24.1.9.19. Raster surface volume
  • 24.1.9.20. Reclassify by layer
  • 24.1.9.21. Reclassify by table
  • 24.1.9.22. Rescale raster
  • 24.1.9.23. Round raster
  • 24.1.9.24. Sample raster values
  • 24.1.9.25. Zonal histogram
  • 24.1.9.26. Zonal statistics
• 24.1.10. Raster Creation
  • 24.1.10.1. Create constant raster layer
  • 24.1.10.2. Create random raster layer (binomial distribution)
  • 24.1.10.3. Create random raster layer (exponential distribution)
  • 24.1.10.4. Create random raster layer (gamma distribution)
  • 24.1.10.5. Create random raster layer (geometric distribution)
  • 24.1.10.6. Create random raster layer (negative binomial distribution)
  • 24.1.10.7. Create random raster layer (normal distribution)
  • 24.1.10.8. Create random raster layer (poisson distribution)
  • 24.1.10.9. Create random raster layer (uniform distribution)
• 24.1.11. Análise espacial Raster (Matricial)
  • 24.1.11.1. Exposição/Orientação de Encostas
  • 24.1.11.2. Sombreados
  • 24.1.11.3. Curvas Hipsométricas
  • 24.1.11.4. Relevo
  • 24.1.11.5. Acidentado do Terreno/Índice de Rugosidade
  • 24.1.11.6. Declives (ângulos)
• 24.1.12. Raster tools
  • 24.1.12.1. Convert map to raster
  • 24.1.12.2. Fill NoData cells
  • 24.1.12.3. Generate XYZ tiles (Directory)
  • 24.1.12.4. Generate XYZ tiles (MBTiles)
• 24.1.13. Vector analysis
  • 24.1.13.1. Basic statistics for fields
  • 24.1.13.2. Climb along line
  • 24.1.13.3. Count points in polygon
  • 24.1.13.4. DBSCAN clustering
  • 24.1.13.5. Distance matrix
  • 24.1.13.6. Distance to nearest hub (line to hub)
  • 24.1.13.7. Distance to nearest hub (points)
  • 24.1.13.8. Join by lines (hub lines)
  • 24.1.13.9. K-means clustering
  • 24.1.13.10. List unique values
  • 24.1.13.11. Mean coordinate(s)
  • 24.1.13.12. Nearest neighbour analysis
  • 24.1.13.13. Overlap analysis
  • 24.1.13.14. Statistics by categories
  • 24.1.13.15. Sum line lengths
• 24.1.14. Vector creation
  • 24.1.14.1. Array of offset (parallel) lines
  • 24.1.14.2. Array of translated features
  • 24.1.14.3. Create grid
  • 24.1.14.4. Create points layer from table
  • 24.1.14.5. Generate points (pixel centroids) along line
  • 24.1.14.6. Generate points (pixel centroids) inside polygon
  • 24.1.14.7. Import geotagged photos
  • 24.1.14.8. Points to path
  • 24.1.14.9. Random points along line
  • 24.1.14.10. Random points in extent
  • 24.1.14.11. Random points in layer bounds
  • 24.1.14.12. Random points in polygons
  • 24.1.14.13. Random points inside polygons
  • 24.1.14.14. Random points on lines
  • 24.1.14.15. Raster pixels to points
  • 24.1.14.16. Raster pixels to polygons
  • 24.1.14.17. Regular points
• 24.1.15. Vector general
  • 24.1.15.1. Assign projection
  • 24.1.15.2. Convert layer to spatial bookmarks
  • 24.1.15.3. Convert spatial bookmarks to layer
  • 24.1.15.4. Create attribute index
  • 24.1.15.5. Create spatial index
  • 24.1.15.6. Define Shapefile projection
  • 24.1.15.7. Delete duplicate geometries
  • 24.1.15.8. Delete duplicates by attribute
  • 24.1.15.9. Detect dataset changes
  • 24.1.15.10. Drop geometries
  • 24.1.15.11. Execute SQL
  • 24.1.15.12. Extract selected features
  • 24.1.15.13. Extract Shapefile encoding
  • 24.1.15.14. Find projection
  • 24.1.15.15. Flatten relationship
  • 24.1.15.16. Join attributes by field value
  • 24.1.15.17. Join attributes by location
  • 24.1.15.18. Join attributes by location (summary)
  • 24.1.15.19. Join attributes by nearest
  • 24.1.15.20. Merge vector layers
  • 24.1.15.21. Order by expression
  • 24.1.15.22. Repair Shapefile
  • 24.1.15.23. Reproject layer
  • 24.1.15.24. Save vector features to file
  • 24.1.15.25. Set layer encoding
  • 24.1.15.26. Split features by character
  • 24.1.15.27. Split vector layer
  • 24.1.15.28. Truncate table
• 24.1.16. Vector geometry
  • 24.1.16.1. Add geometry attributes
  • 24.1.16.2. Affine transform
  • 24.1.16.3. Aggregate
  • 24.1.16.4. Boundary
  • 24.1.16.5. Bounding boxes
  • 24.1.16.6. Buffer
  • 24.1.16.7. Centroids
  • 24.1.16.8. Check validity
  • 24.1.16.9. Collect geometries
  • 24.1.16.10. Concave hull (alpha shapes)
  • 24.1.16.11. Concave hull (k-nearest neighbor)
  • 24.1.16.12. Convert geometry type
  • 24.1.16.13. Convert to curved geometries
  • 24.1.16.14. Convex hull
  • 24.1.16.15. Create layer from extent
  • 24.1.16.16. Create layer from point
  • 24.1.16.17. Create wedge buffers
  • 24.1.16.18. Delaunay triangulation
  • 24.1.16.19. Delete holes
  • 24.1.16.20. Densify by count
  • 24.1.16.21. Densify by interval
  • 24.1.16.22. Dissolve
  • 24.1.16.23. Drape (set Z value from raster)
  • 24.1.16.24. Drop M/Z values
  • 24.1.16.25. Eliminate selected polygons
  • 24.1.16.26. Explode lines
  • 24.1.16.27. Extend lines
  • 24.1.16.28. Extract M values
  • 24.1.16.29. Extract specific vertices
  • 24.1.16.30. Extract vertices
  • 24.1.16.31. Extract Z values
  • 24.1.16.32. Filter vertices by M value
  • 24.1.16.33. Filter vertices by Z value
  • 24.1.16.34. Fix geometries
  • 24.1.16.35. Force right-hand-rule
  • 24.1.16.36. Geodesic line split at antimeridian
  • 24.1.16.37. Geometry by expression
  • 24.1.16.38. Interpolate point on line
  • 24.1.16.39. Keep N biggest parts
  • 24.1.16.40. Line substring
  • 24.1.16.41. Lines to polygons
  • 24.1.16.42. Merge lines
  • 24.1.16.43. Minimum bounding geometry
  • 24.1.16.44. Minimum enclosing circles
  • 24.1.16.45. Multi-ring buffer (constant distance)
  • 24.1.16.46. Multipart to singleparts
  • 24.1.16.47. Offset lines
  • 24.1.16.48. Oriented minimum bounding box
  • 24.1.16.49. Orthogonalize
  • 24.1.16.50. Point on Surface
  • 24.1.16.51. Points along geometry
  • 24.1.16.52. Points displacement
  • 24.1.16.53. Pole of inaccessibility
  • 24.1.16.54. Polygonize
  • 24.1.16.55. Polygons to lines
  • 24.1.16.56. Project points (Cartesian)
  • 24.1.16.57. Promote to multipart
  • 24.1.16.58. Rectangles, ovals, diamonds
  • 24.1.16.59. Remove duplicate vertices
  • 24.1.16.60. Remove null geometries
  • 24.1.16.61. Reverse line direction
  • 24.1.16.62. Rotate
  • 24.1.16.63. Segmentize by maximum angle
  • 24.1.16.64. Segmentize by maximum distance
  • 24.1.16.65. Set M value
  • 24.1.16.66. Set M value from raster
  • 24.1.16.67. Set Z value
  • 24.1.16.68. Simplify
  • 24.1.16.69. Single sided buffer
  • 24.1.16.70. Smooth
  • 24.1.16.71. Snap geometries to layer
  • 24.1.16.72. Snap points to grid
  • 24.1.16.73. Split lines by maximum length
  • 24.1.16.74. Subdivide
  • 24.1.16.75. Swap X and Y coordinates
  • 24.1.16.76. Tapered buffers
  • 24.1.16.77. Tessellate
  • 24.1.16.78. Transect
  • 24.1.16.79. Translate
  • 24.1.16.80. Variable distance buffer
  • 24.1.16.81. Variable width buffer (by M value)
  • 24.1.16.82. Voronoi polygons
• 24.1.17. Vector overlay
  • 24.1.17.1. Clip
  • 24.1.17.2. Difference
  • 24.1.17.3. Extract/clip by extent
  • 24.1.17.4. Intersection
  • 24.1.17.5. Line intersections
  • 24.1.17.6. Split with lines
  • 24.1.17.7. Symmetrical difference
  • 24.1.17.8. Union
• 24.1.18. Vector selection
  • 24.1.18.1. Extract by attribute
  • 24.1.18.2. Extract by expression
  • 24.1.18.3. Extract by location
  • 24.1.18.4. Random extract
  • 24.1.18.5. Random extract within subsets
  • 24.1.18.6. Random selection
  • 24.1.18.7. Random selection within subsets
  • 24.1.18.8. Select by attribute
  • 24.1.18.9. Select by expression
  • 24.1.18.10. Select by location
• 24.1.19. Vector table
  • 24.1.19.1. Add autoincremental field
  • 24.1.19.2. Add field to attributes table
  • 24.1.19.3. Add unique value index field
  • 24.1.19.4. Add X/Y fields to layer
  • 24.1.19.5. Advanced Python field calculator
  • 24.1.19.6. Drop field(s)
  • 24.1.19.7. Explode HStore Field
  • 24.1.19.8. Extract binary field
  • 24.1.19.9. Feature filter
  • 24.1.19.10. Field calculator
  • 24.1.19.11. Refactor fields
  • 24.1.19.12. Rename vector field
  • 24.1.19.13. Text to float
• 24.1.20. Vector Tiles
  • 24.1.20.1. Write vector tiles (MBTiles)
  • 24.1.20.2. Write vector tiles (XYZ)