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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. 3D Tiles
  • 24.1.1.1. Convert B3DM to GLTF
  • 24.1.1.2. Convert GLTF to vector features
• 24.1.2. Cartography
  • 24.1.2.1. Align points to features
  • 24.1.2.2. Combine style databases
  • 24.1.2.3. Create categorized renderer from styles
  • 24.1.2.4. Create style database from project
  • 24.1.2.5. Export atlas layout as image
  • 24.1.2.6. Export atlas layout as PDF (multiple files)
  • 24.1.2.7. Export atlas layout as PDF (single file)
  • 24.1.2.8. Export print layout as image
  • 24.1.2.9. Export print layout as PDF
  • 24.1.2.10. Extract labels
  • 24.1.2.11. Print layout map extent to layer
  • 24.1.2.12. Set layer style
  • 24.1.2.13. Topological coloring
  • 24.1.2.14. Transfer annotations from main layer
• 24.1.3. Check Geometry
  • 24.1.3.1. Dangle-end lines
  • 24.1.3.2. Degenerate polygons
  • 24.1.3.3. Duplicated geometries
  • 24.1.3.4. Duplicated vertices
  • 24.1.3.5. Features inside polygon
  • 24.1.3.6. Holes
  • 24.1.3.7. Lines intersecting each other
  • 24.1.3.8. Lines intersecting other layer
  • 24.1.3.9. Missing vertices along borders
  • 24.1.3.10. Overlaps
  • 24.1.3.11. Points outside lines
  • 24.1.3.12. Points outside polygons
  • 24.1.3.13. Self-contacts
  • 24.1.3.14. Self-intersections
  • 24.1.3.15. Sliver polygons
  • 24.1.3.16. Small angles
  • 24.1.3.17. Small polygons
  • 24.1.3.18. Small gaps
  • 24.1.3.19. Small segments
  • 24.1.3.20. Strictly multipart
• 24.1.4. Base de Dados
  • 24.1.4.1. Export to PostgreSQL
  • 24.1.4.2. Export to SpatiaLite
  • 24.1.4.3. Package layers
  • 24.1.4.4. PostgreSQL execute and load SQL
  • 24.1.4.5. PostgreSQL execute SQL
  • 24.1.4.6. SpatiaLite execute SQL
  • 24.1.4.7. SpatiaLite execute SQL (registered DB)
• 24.1.5. File tools
  • 24.1.5.1. Download file via HTTP(S)
  • 24.1.5.2. HTTP(S) POST/GET request
  • 24.1.5.3. Open file or URL
• 24.1.6. Fix Geometry
  • 24.1.6.1. Add missing vertices along borders
  • 24.1.6.2. Convert to strictly multipart
  • 24.1.6.3. Delete duplicated vertices
  • 24.1.6.4. Delete features
  • 24.1.6.5. Delete overlaps
  • 24.1.6.6. Delete small angles
  • 24.1.6.7. Fill gaps
  • 24.1.6.8. Fill holes
  • 24.1.6.9. Fix small polygons
  • 24.1.6.10. Split self-intersecting geometries
• 24.1.7. GPS
  • 24.1.7.1. Convert GPS data
  • 24.1.7.2. Convert GPX feature type
  • 24.1.7.3. Download GPS data from device
  • 24.1.7.4. Upload GPS data to device
• 24.1.8. Interpolação
  • 24.1.8.1. Heatmap (kernel density estimation)
  • 24.1.8.2. IDW Interpolation
  • 24.1.8.3. Line Density
  • 24.1.8.4. TIN Interpolation
• 24.1.9. Layer tools
  • 24.1.9.1. Export layer(s) information
  • 24.1.9.2. Export to spreadsheet
  • 24.1.9.3. Extract layer extent
• 24.1.10. Mesh
  • 24.1.10.1. Export contours
  • 24.1.10.2. Export cross section dataset values on lines from mesh
  • 24.1.10.3. Export mesh edges
  • 24.1.10.4. Export mesh faces
  • 24.1.10.5. Export mesh on grid
  • 24.1.10.6. Export mesh vertices
  • 24.1.10.7. Export time series values from points of a mesh dataset
  • 24.1.10.8. Rasterize mesh dataset
  • 24.1.10.9. Surface to Polygon
  • 24.1.10.10. TIN mesh creation
• 24.1.11. Metadata tools
  • 24.1.11.1. Add history metadata
  • 24.1.11.2. Copy Layer Metadata
  • 24.1.11.3. Export Layer Metadata
  • 24.1.11.4. Set Layer Metadata
  • 24.1.11.5. Set Metadata Fields
  • 24.1.11.6. Update Layer Metadata
• 24.1.12. Modeler tools
  • 24.1.12.1. Calculate expression
  • 24.1.12.2. Conditional branch
  • 24.1.12.3. Create directory
  • 24.1.12.4. Feature filter
  • 24.1.12.5. Filter layers by type
  • 24.1.12.6. Load layer into project
  • 24.1.12.7. Raise exception
  • 24.1.12.8. Raise message
  • 24.1.12.9. Raise warning
  • 24.1.12.10. Rename layer
  • 24.1.12.11. Save log to file
  • 24.1.12.12. Set project variable
  • 24.1.12.13. String concatenation
  • 24.1.12.14. Variable distance buffer
• 24.1.13. Network analysis
  • 24.1.13.1. Service area (from layer)
  • 24.1.13.2. Service area (from point)
  • 24.1.13.3. Shortest path (layer to point)
  • 24.1.13.4. Shortest path (point to layer)
  • 24.1.13.5. Shortest path (point to point)
• 24.1.14. Plots
  • 24.1.14.1. Bar plot
  • 24.1.14.2. Box plot
  • 24.1.14.3. Generate elevation profile image
  • 24.1.14.4. Mean and standard deviation plot
  • 24.1.14.5. Polar plot
  • 24.1.14.6. Raster layer histogram
  • 24.1.14.7. Vector layer histogram
  • 24.1.14.8. Vector layer scatterplot
  • 24.1.14.9. Vector layer scatterplot 3D
• 24.1.15. Point Cloud Conversion
  • 24.1.15.1. Convert format
  • 24.1.15.2. Export to raster
  • 24.1.15.3. Export raster (using triangulation)
  • 24.1.15.4. Export to vector
• 24.1.16. Point Cloud Data Management
  • 24.1.16.1. Assign projection
  • 24.1.16.2. Build virtual point cloud (VPC)
  • 24.1.16.3. Clip
  • 24.1.16.4. Create COPC
  • 24.1.16.5. Information
  • 24.1.16.6. Merge
  • 24.1.16.7. Reproject
  • 24.1.16.8. Thin (by sampling radius)
  • 24.1.16.9. Thin (by skipping points)
  • 24.1.16.10. Tile
• 24.1.17. Point Cloud Extraction
  • 24.1.17.1. Boundary
  • 24.1.17.2. Density
  • 24.1.17.3. Filter
• 24.1.18. Análise Raster
  • 24.1.18.1. Cell stack percent rank from value
  • 24.1.18.2. Cell stack percentile
  • 24.1.18.3. Cell stack percentrank from raster layer
  • 24.1.18.4. Cell statistics
  • 24.1.18.5. Equal to frequency
  • 24.1.18.6. Fuzzify raster (gaussian membership)
  • 24.1.18.7. Fuzzify raster (large membership)
  • 24.1.18.8. Fuzzify raster (linear membership)
  • 24.1.18.9. Fuzzify raster (near membership)
  • 24.1.18.10. Fuzzify raster (power membership)
  • 24.1.18.11. Fuzzify raster (small membership)
  • 24.1.18.12. Greater than frequency
  • 24.1.18.13. Highest position in raster stack
  • 24.1.18.14. Less than frequency
  • 24.1.18.15. Lowest position in raster stack
  • 24.1.18.16. Raster boolean AND
  • 24.1.18.17. Raster boolean OR
  • 24.1.18.18. Raster calculator
  • 24.1.18.19. Raster calculator (virtual)
  • 24.1.18.20. Raster layer properties
  • 24.1.18.21. Raster layer statistics
  • 24.1.18.22. Raster layer unique values report
  • 24.1.18.23. Raster layer zonal statistics
  • 24.1.18.24. Raster minimum/maximum
  • 24.1.18.25. Raster rank
  • 24.1.18.26. Raster surface volume
  • 24.1.18.27. Reclassify by layer
  • 24.1.18.28. Reclassify by table
  • 24.1.18.29. Rescale raster
  • 24.1.18.30. Round raster
  • 24.1.18.31. Sample raster values
  • 24.1.18.32. Zonal histogram
  • 24.1.18.33. Zonal Minimum/Maximum Point
  • 24.1.18.34. Zonal statistics
• 24.1.19. Raster Creation
  • 24.1.19.1. Create constant raster layer
  • 24.1.19.2. Create random raster layer (binomial distribution)
  • 24.1.19.3. Create random raster layer (exponential distribution)
  • 24.1.19.4. Create random raster layer (gamma distribution)
  • 24.1.19.5. Create random raster layer (geometric distribution)
  • 24.1.19.6. Create random raster layer (negative binomial distribution)
  • 24.1.19.7. Create random raster layer (normal distribution)
  • 24.1.19.8. Create random raster layer (poisson distribution)
  • 24.1.19.9. Create random raster layer (uniform distribution)
• 24.1.20. Análise espacial Raster (Matricial)
  • 24.1.20.1. Exposição/Orientação de Encostas
  • 24.1.20.2. DTM filter (slope-based)
  • 24.1.20.3. Fill sinks (Wang & Liu)
  • 24.1.20.4. Sombreados
  • 24.1.20.5. Curvas Hipsométricas
  • 24.1.20.6. Relevo
  • 24.1.20.7. Acidentado do Terreno/Índice de Rugosidade
  • 24.1.20.8. Declives (ângulos)
• 24.1.21. Raster tools
  • 24.1.21.1. Align raster
  • 24.1.21.2. Align rasters
  • 24.1.21.3. Convert map to raster
  • 24.1.21.4. Fill NoData cells
  • 24.1.21.5. Generate XYZ tiles (Directory)
  • 24.1.21.6. Generate XYZ tiles (MBTiles)
• 24.1.22. Vector analysis
  • 24.1.22.1. Basic statistics for fields
  • 24.1.22.2. Climb along line
  • 24.1.22.3. Count points in polygon
  • 24.1.22.4. DBSCAN clustering
  • 24.1.22.5. Distance matrix
  • 24.1.22.6. Distance to nearest hub (line to hub)
  • 24.1.22.7. Distance to nearest hub (points)
  • 24.1.22.8. Join by lines (hub lines)
  • 24.1.22.9. K-means clustering
  • 24.1.22.10. List unique values
  • 24.1.22.11. Mean coordinate(s)
  • 24.1.22.12. Nearest neighbour analysis
  • 24.1.22.13. Overlap analysis
  • 24.1.22.14. Shortest line between features
  • 24.1.22.15. ST-DBSCAN clustering
  • 24.1.22.16. Statistics by categories
  • 24.1.22.17. Sum line lengths
• 24.1.23. Vector coverage
  • 24.1.23.1. Dissolve coverage
  • 24.1.23.2. Simplify coverage
  • 24.1.23.3. Validate coverage
• 24.1.24. Vector creation
  • 24.1.24.1. Array of offset (parallel) lines
  • 24.1.24.2. Array of translated features
  • 24.1.24.3. Create grid
  • 24.1.24.4. Create layer from extent
  • 24.1.24.5. Create layer from point
  • 24.1.24.6. Create points layer from table
  • 24.1.24.7. Generate points (pixel centroids) along line
  • 24.1.24.8. Generate points (pixel centroids) inside polygon
  • 24.1.24.9. Import geotagged photos
  • 24.1.24.10. Points to path
  • 24.1.24.11. Random points along line
  • 24.1.24.12. Random points in extent
  • 24.1.24.13. Random points in layer bounds
  • 24.1.24.14. Random points in polygons
  • 24.1.24.15. Random points inside polygons
  • 24.1.24.16. Random points on lines
  • 24.1.24.17. Raster pixels to points
  • 24.1.24.18. Raster pixels to polygons
  • 24.1.24.19. Regular points
• 24.1.25. Vector general
  • 24.1.25.1. Assign projection
  • 24.1.25.2. Batch Nominatim geocoder
  • 24.1.25.3. Convert layer to spatial bookmarks
  • 24.1.25.4. Convert spatial bookmarks to layer
  • 24.1.25.5. Create attribute index
  • 24.1.25.6. Create spatial index
  • 24.1.25.7. Define projection
  • 24.1.25.8. Delete duplicate geometries
  • 24.1.25.9. Delete duplicates by attribute
  • 24.1.25.10. Detect dataset changes
  • 24.1.25.11. Drop geometries
  • 24.1.25.12. Execute SQL
  • 24.1.25.13. Export layers to DXF
  • 24.1.25.14. Extract selected features
  • 24.1.25.15. Extract Shapefile encoding
  • 24.1.25.16. Find projection
  • 24.1.25.17. Flatten relationship
  • 24.1.25.18. Join attributes by field value
  • 24.1.25.19. Join attributes by location
  • 24.1.25.20. Join attributes by location (summary)
  • 24.1.25.21. Join attributes by nearest
  • 24.1.25.22. Merge vector layers
  • 24.1.25.23. Order by expression
  • 24.1.25.24. Repair Shapefile
  • 24.1.25.25. Reproject layer
  • 24.1.25.26. Save vector features to file
  • 24.1.25.27. Set layer encoding
  • 24.1.25.28. Split features by character
  • 24.1.25.29. Split vector layer
  • 24.1.25.30. Truncate table
• 24.1.26. Vector geometry
  • 24.1.26.1. Add geometry attributes
  • 24.1.26.2. Affine transform
  • 24.1.26.3. Aggregate
  • 24.1.26.4. Boundary
  • 24.1.26.5. Bounding boxes
  • 24.1.26.6. Buffer
  • 24.1.26.7. Centroids
  • 24.1.26.8. Check validity
  • 24.1.26.9. Collect geometries
  • 24.1.26.10. Concave hull
  • 24.1.26.11. Convert geometry type
  • 24.1.26.12. Convert to curved geometries
  • 24.1.26.13. Convex hull
  • 24.1.26.14. Create wedge buffers
  • 24.1.26.15. Delaunay triangulation
  • 24.1.26.16. Delete holes
  • 24.1.26.17. Densify by count
  • 24.1.26.18. Densify by interval
  • 24.1.26.19. Dissolve
  • 24.1.26.20. Drape (set Z value from raster)
  • 24.1.26.21. Drop M/Z values
  • 24.1.26.22. Eliminate selected polygons
  • 24.1.26.23. Explode lines
  • 24.1.26.24. Extend lines
  • 24.1.26.25. Extract M values
  • 24.1.26.26. Extract specific vertices
  • 24.1.26.27. Extract vertices
  • 24.1.26.28. Extract Z values
  • 24.1.26.29. Filter vertices by M value
  • 24.1.26.30. Filter vertices by Z value
  • 24.1.26.31. Fix geometries
  • 24.1.26.32. Force right-hand-rule
  • 24.1.26.33. Geodesic line split at antimeridian
  • 24.1.26.34. Geometry by expression
  • 24.1.26.35. Interpolate point on line
  • 24.1.26.36. Keep N biggest parts
  • 24.1.26.37. Line substring
  • 24.1.26.38. Lines to polygons
  • 24.1.26.39. Merge lines
  • 24.1.26.40. Minimum bounding geometry
  • 24.1.26.41. Minimum enclosing circles
  • 24.1.26.42. Multi-ring buffer (constant distance)
  • 24.1.26.43. Multipart to singleparts
  • 24.1.26.44. Offset lines
  • 24.1.26.45. Oriented minimum bounding box
  • 24.1.26.46. Orthogonalize
  • 24.1.26.47. Point on Surface
  • 24.1.26.48. Points along geometry
  • 24.1.26.49. Points displacement
  • 24.1.26.50. Pole of inaccessibility
  • 24.1.26.51. Polygonize
  • 24.1.26.52. Polygons to lines
  • 24.1.26.53. Project points (Cartesian)
  • 24.1.26.54. Promote to multipart
  • 24.1.26.55. Rectangles, ovals, diamonds
  • 24.1.26.56. Remove duplicate vertices
  • 24.1.26.57. Remove null geometries
  • 24.1.26.58. Reverse line direction
  • 24.1.26.59. Rotate
  • 24.1.26.60. Roundness
  • 24.1.26.61. Segmentize by maximum angle
  • 24.1.26.62. Segmentize by maximum distance
  • 24.1.26.63. Set M value
  • 24.1.26.64. Set M value from raster
  • 24.1.26.65. Set Z value
  • 24.1.26.66. Simplify
  • 24.1.26.67. Single sided buffer
  • 24.1.26.68. Smooth
  • 24.1.26.69. Snap geometries to layer
  • 24.1.26.70. Snap points to grid
  • 24.1.26.71. Split lines by maximum length
  • 24.1.26.72. Subdivide
  • 24.1.26.73. Swap X and Y coordinates
  • 24.1.26.74. Tapered buffers
  • 24.1.26.75. Tessellate
  • 24.1.26.76. Transect
  • 24.1.26.77. Translate
  • 24.1.26.78. Variable width buffer (by M value)
  • 24.1.26.79. Voronoi polygons
• 24.1.27. Vector overlay
  • 24.1.27.1. Clip
  • 24.1.27.2. Difference
  • 24.1.27.3. Difference (multiple)
  • 24.1.27.4. Extract/clip by extent
  • 24.1.27.5. Intersection
  • 24.1.27.6. Intersection (multiple)
  • 24.1.27.7. Line intersections
  • 24.1.27.8. Split with lines
  • 24.1.27.9. Symmetrical difference
  • 24.1.27.10. Union
  • 24.1.27.11. Union (multiple)
• 24.1.28. Vector selection
  • 24.1.28.1. Extract by attribute
  • 24.1.28.2. Extract by expression
  • 24.1.28.3. Extract by location
  • 24.1.28.4. Extract within distance
  • 24.1.28.5. Filter by geometry type
  • 24.1.28.6. Random extract
  • 24.1.28.7. Random extract within subsets
  • 24.1.28.8. Random selection
  • 24.1.28.9. Random selection within subsets
  • 24.1.28.10. Select by attribute
  • 24.1.28.11. Select by expression
  • 24.1.28.12. Select by location
  • 24.1.28.13. Select within distance
• 24.1.29. Vector table
  • 24.1.29.1. Add autoincremental field
  • 24.1.29.2. Add field to attributes table
  • 24.1.29.3. Add unique value index field
  • 24.1.29.4. Add X/Y fields to layer
  • 24.1.29.5. Advanced Python field calculator
  • 24.1.29.6. Drop field(s)
  • 24.1.29.7. Explode HStore Field
  • 24.1.29.8. Extract binary field
  • 24.1.29.9. Field calculator
  • 24.1.29.10. Refactor fields
  • 24.1.29.11. Rename field
  • 24.1.29.12. Retain fields
  • 24.1.29.13. Text to float
• 24.1.30. Vector Tiles
  • 24.1.30.1. Download vector tiles
  • 24.1.30.2. Write vector tiles (MBTiles)
  • 24.1.30.3. Write vector tiles (XYZ)