PostGIS Raster : Extending PostgreSQL for The Support of ... - CoDE

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List of Figures 2.1 Point feature [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Line feature [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 Polygon feature representing parcels [27]. . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.4 Grid of cells in raster data [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.5 Raster data [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.6 Multiband raster data [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.7 Surface expressed by contour lines [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.8 Surface expressed by contour bands [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.9 Surface expressed by raster data [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.10 Surface expressed by TIN layers [27]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.11 Vector image at various scales. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.12 The original vector image is on the left side. The upper-right image illustrates magnification of 7x as a vector image. The lower-right image illustrates the same magnification as a raster image [29]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.13 Raster image in zooming [28]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.14 Multiple layers geographic representation. . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.15 Themes for a area [30]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.16 Georeferencing a geographic object [26]. . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.17 The location of the measured point (in red) is latitude plus 40 degrees and longitude plus 50 degrees [26]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.18 Parallels lines of latitude and meridians line of longitude [26]. . . . . . . . . . . . . . . 14 2.19 2D Cartesian coordinate system. [26]. . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.20 3D Cartesian coordinate system [26]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 2.21 Different methods for map projection [26]. . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.22 Distorsion in map projection [26]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.23 Mapping of homicides in Washington D.C. [18] . . . . . . . . . . . . . . . . . . . . . . 17 2.24 Groundwater level change of the High Plains Aquifer, 1980-95 [31]. . . . . . . . . . . . 17 3.1 GeoRaster data architecture [3]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 3.2 PostGIS Raster data architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 3.3 Physical storage of GeoRaster data [3]. . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.4 Physical storage of PostGIS Raster data. . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.5 Oracle GeoRaster georeference approach [14]. . . . . . . . . . . . . . . . . . . . . . . . 23 3.6 PostGIS Raster georeference approach [14]. . . . . . . . . . . . . . . . . . . . . . . . . 23 4.1 PostGIS Raster implementation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.2 Information representation using raster data [16]. . . . . . . . . . . . . . . . . . . . . . 30 4.3 Basemap raster for road data [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.4 Surface map raster [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.5 Thematic map raster [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.6 Tree attribute [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 4.7 On the left side: cell values applied at the center point. On the right side: cell values applied for the whole square. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 4.8 Raster cell values [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 vii
4.9 Raster cell [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.10 Raster resolution [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.11 Pixel or cell location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.12 Raster extent [16]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 4.13 Raster zones and regions [32]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 4.14 Discrete data represented in raster format [33]. . . . . . . . . . . . . . . . . . . . . . . 35 4.15 Raster point representation [34]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 4.16 Raster line representation [34]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 4.17 Raster polygon representation [34]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 4.18 Raster elevation data for a part of the province of Quebec [8]. . . . . . . . . . . . . . . 37 4.19 Spatial resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 4.20 Raster in different spatial resolutions [11]. . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.21 Rasters at different scales [11]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.22 Same scaled rasters at different spatial resolution [11]. . . . . . . . . . . . . . . . . . . 39 4.23 Raster bands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.24 Three main ways to display single-band raster [35]. . . . . . . . . . . . . . . . . . . . . 40 4.25 Multi-band raster [35]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 4.26 RGB composite from a three-band raster [35]. . . . . . . . . . . . . . . . . . . . . . . . 41 4.27 Multi-band raster image [35]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 4.28 Raster tiles [23]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 4.29 Pyramids (or Overviews) in PostGIS Raster [24]. . . . . . . . . . . . . . . . . . . . . . 43 4.30 Pyramids at different levels and scales [36]. . . . . . . . . . . . . . . . . . . . . . . . . 44 4.31 In the right side: The mask. In the left side: the mask with the transparency set to 70% overlays the digital elevation model raster [10]. . . . . . . . . . . . . . . . . . . . 45 4.32 Image warehouse of untiled and unrelated images (4 images) [6]. . . . . . . . . . . . . 45 4.33 Image warehouse of cars [22]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 4.34 Irregular tiled raster coverage (36 tiles))[6]. . . . . . . . . . . . . . . . . . . . . . . . . 46 4.35 Regular tiled raster coverage (36 tiles) [6]. . . . . . . . . . . . . . . . . . . . . . . . . . 46 4.36 Rectangular regular tiled raster coverage (54 tiles) [6]. . . . . . . . . . . . . . . . . . . 46 4.37 Tiled images (2 tables of 54 tiles) [6]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 4.38 Raster object coverage (9 raster objects corresponding 9 rows in a raster table) [6]. . . 47 4.39 Vector to raster conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 4.40 Raster to vector conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 4.41 Image formed by the raster [17]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 4.42 Web application with out-database raster [23]. . . . . . . . . . . . . . . . . . . . . . . 50 4.43 Storing in-database raster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 4.44 In-database raster. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 4.45 Conversion from raster to vector [22]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 4.46 Conversion from vector to raster [22]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 4.47 Vector and vector intersection with a resulting vector layer [22]. . . . . . . . . . . . . . 56 4.48 Raster intersection paradigm [22]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 4.49 Vector and raster intersection with a resulting raster layer [22]. . . . . . . . . . . . . . 57 4.50 Vector and raster intersection with a resulting vector layer [22]. . . . . . . . . . . . . . 57 4.51 Raster and raster intersection with a resulting vector layer [22]. . . . . . . . . . . . . . 58 4.52 Mutual exclusive polygons intersection with a resulting vector layer [22]. . . . . . . . . 58 4.53 Mutual exclusive vector-raster intersection with a resulting raster layer [22]. . . . . . . 58 4.54 Mutual exclusive vector-raster intersection with a resulting vector layer [22]. . . . . . . 58 4.55 Mutual exclusive raster-raster intersection with a resulting raster layer [22]. . . . . . . 59 5.1 Raster circle [17]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64 5.2 Clipping raster effect [17]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 5.3 Algebra operation on rasters [23]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 5.4 Intersection of raster and geometric points [23]. . . . . . . . . . . . . . . . . . . . . . . 68 5.5 Intersection of raster and roads [23]. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 viii
Page 1 and 2: Faculté de Sciences Appliquées Se
Page 3 and 4: Abstract Nowadays, in many applicat
Page 5 and 6: 3.2.4 Overlapping Raster and Vector
Page 7: D.5 Geology, Geophysics and Geochem
Page 11 and 12: Chapter 1 Introduction 1.1 Context
Page 13 and 14: Chapter 2 Geographic Information Sy
Page 15 and 16: 2.2.3 Imagery Figure 2.3: Polygon f
Page 17 and 18: Figure 2.8: Surface expressed by co
Page 19 and 20: 4-foot logo. The file size is the s
Page 21 and 22: 2.4.2 Data Theme Figure 2.14: Multi
Page 23 and 24: measures of latitude. Longitude mea
Page 25 and 26: 2.6 GIS Applications 2.6.1 Crime Ma
Page 27 and 28: 2.6.3 Traditional Knowledge GIS Tra
Page 29 and 30: These additional functionalities ma
Page 31 and 32: Figure 3.3: Physical storage of Geo
Page 33 and 34: DROP INDEX spain_images_idx; CREATE
Page 35 and 36: In summary, the intersection is muc
Page 37 and 38: Attribute information Table 4.1: Po
Page 39 and 40: Figure 4.2: Information representat
Page 41 and 42: for discrete data while floating-po
Page 43 and 44: the matrix are parallel to the x-ax
Page 45 and 46: Lines Figure 4.15: Raster point rep
Page 47 and 48: Choosing an appropriate cell size i
Page 49 and 50: The multi-band conception is result
Page 51 and 52: "32BUI" = 32-bit unsigned integer "
Page 53 and 54: Figure 4.30: Pyramids at different
Page 55 and 56: ectangular because there might be s
Page 57 and 58: Figure 4.39: Vector to raster conve
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Figure 4.42: Web application with o
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In this example, the dummy_rast tab
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One approach to make this intersect
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4.19 Intersection The fact that Pos
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Figure 4.51: Raster and raster inte
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ST_Present and ST_Passes predicates
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Chapter 5 User Guide Sometimes stor
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SELECT rast As origin, ST_Resample(
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• gvSIG plugin • MapServer thro
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SELECT ST_AsJPEG(rast) As rastjpg F
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FROM buff_temp GROUP BY id ORDER BY
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Chapter 6 Application Most of GIS a
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6.2 Tools Figure 6.3: PostGIS conne
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Figure 6.6: Band area. controlled b
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Figure 6.10: The loading map parall
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Figure 6.14: Maps representing worl
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Figure 6.17: Maps with a color lege
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their levels of awareness of geogra
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[15] Jorge Arevalo. PostGIS Raster
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Appendix A PostGIS Raster Utilisati
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eturn "Version 0.1" def qgisMinimum
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Appendix C Code Implementation C.1
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name="" # Setting table name and mo
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Figure D.1: Synthetic aperture rada
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D.4 Digital Image Processing D.4.1
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Figure D.4: Age of the sea floor. M
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Appendix F Continuous Surfaces One
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