HRL Small Woody Features 2015: Vector Raster 5m

Small Woody Features 2015: Vector Raster 5 m

Small woody landscape features are important vectors of biodiversity and provide information on fragmentation of habitats with a direct potential for restoration while also providing a link to hazards protection and Green Infrastructure, amongst others.

Wiki pages related to HRL Small Woody Features products are based on the following product documentation / specification: https://land.copernicus.eu/user-corner/technical-library//hrl_lot5_d5-1_product-specification-document_i3-4_public-1.pdf

This product consists of two layers: one vector layer and one raster layer.

The vector layer must be provided either in shapefile format or geodatabase format. The raster layer must be provided in GeoTIFF format.

AOIs:

The product definition contains following checks:

• Raster checks
  • raster.unzip
  • raster.naming
  • raster.epsg
  • raster.pixel_size
  • raster.origin
  • raster.bit_depth
  • raster.compress
  • raster.value
  • raster.gap
  • raster.color
• Vector checks
  • vector.unzip
  • vector.naming
  • vector.attribute
  • vector.epsg
  • vector.import2pg
  • vector.enum
  • vector.singlepart
  • vector.geometry
  • vector.area
  • vector.layer_area
  • vector.compactness
  • vector.mmu
  • vector.mxmu
  • vector.mmw
  • vector.mxmw
  • vector.mml
  • vector.overlap
  • vector.neighbour
  • vector.inspire

Raster checks

raster.unzip

Check description: Delivery file can be unzipped

Required check, the check cannot be skipped.

raster.naming

Check description: Naming is in accord with specification

Required check, the check cannot be skipped.

Naming convention:

• there must be exactly one raster file with .tif filename extension ;
• the filename must match regex: ^swf_2015_005m_(?P<country_code>[a-z_]{2})_0?3035_(?P<aoi_code>[0-9]{3})_;
  • the name must start with swf_2015_005m_;
  • followed by 2-letter country code, allowed codes are: al, at, ba, be, bg, ch, cy, cz, de, dk, ee, es, fi, fo, fr, gb, gr, hr, hu, ie, is, it, ks, lt, lv, me, mk, nl, no, pl, pt, ro, rs, se, si, sk, tr;
  • followed by EPSG code 3035;
  • followed by AOI code, allowed codes are 1 -- 136, see the scheme in `AOIs`_;
  • the tail of the filename is irrelevant;
  • letter case is irrelevant;
  • example of filename: swf_2015_005m_PL_03035_71_v1_1.tif;

raster.epsg

Check description: Raster uses specific EPSG code.

Optional check, the check may be skipped.

Requirements:

• the raster must be assigned spatial reference system EPSG:3035 (ETRS89 ETRS-LAEA equal-area projection);

raster.pixel_size

Check description: Pixel has specific size.

Optional check, the check may be skipped.

Requirements:

• the pixel size must be exactly 5m;

raster.origin

Check description: Bounding box upper left corner is positioned on grid.

Optional check, the check may be skipped.

Requirements:

• upper-left X, Y coordinates of the raster must be divisible by 1000 with no remainder;

raster.bit_depth

Check description: Raster datatype is of specific bit depth.

Optional check, the check may be skipped.

Requirements:

• the pixel type must be Byte (8 bits per sample);

raster.compress

Check description: Raster uses specific compression formats.

Optional check, the check may be skipped.

Requirements:

• the tiff file must use LZW compression;

raster.value

Check description: Pixels have specific values.

Optional check, the check may be skipped.

Requirements:

• the value of the pixel must be from the set 0, 1, 2, 3, 254, 255.

raster.gap

Check description: There is no gap in the AOI.

Optional check, the check may be skipped.

Requirements:

• there must not be a pixel with value 255 inside AOI;

raster.color

Check description: Colour table is in accord with specification

Optional check, the check may be skipped.

Requirements:

• the color palette must be set to:
  • 0: rgb(240, 240, 240);
  • 1: rgb(215, 245, 0);
  • 3: rgb(240, 200, 0);
  • 254: rgb(153, 153, 153);
  • 255: rgb(0, 0, 0);

Vector checks

vector.unzip

Check description: Delivery file can be unzipped.

Required check, the check cannot be skipped.

vector.naming

Check description: Naming is in accord with specification.

Required check, the check cannot be skipped.

Requirements:

• there must be exactly one vector datasource, the datasource must be either geodatabase (.gdb) or shapefile (.shp);
• the datasource must contain exactly one vector layer whose name matches regex: ^swf_2015_vec_(?P<country_code>[a-z]{2})_0?3035_0*(?P<aoi_code>[0-9]+)_;
  • the name must start with swf_2015_vec_;
  • followed by 2-letter country code, allowed codes are: al, at, ba, be, bg, ch, cy, cz, de, dk, ee, es, fi, fo, fr, gb, gr, hr, hu, ie, is, it, ks, lt, lv, me, mk, nl, no, pl, pt, ro, rs, se, si, sk, tr;
  • followed by EPSG code 3035;
  • followed by AOI code, allowed codes are: 1 -- 136, see the scheme in `AOIs`_;
  • the tail of the layer name is irrelevant;
  • letter case is irrelevant;
  • example of layer name: swf_2015_vec_PL_03035_71_v1_1;

vector.attribute

Check description: Attribute table is composed of prescribed attributes.

Required check, the check cannot be skipped.

Requirements:

• the vector layer must contain attributes:
  • code of type string;
  • area of type real;
  • class_name of type string;
• the vector layer may contain attributes, which will be ignored:
  • shape_length;
  • shape_area;
• other attributes are not allowed;

vector.epsg

Check description: Layers use specific EPSG codes.

Required check, the check cannot be skipped.

Requirements:

• the layer must be assigned spatial reference system EPSG:3035 (ETRS89 ETRS-LAEA equal-area projection);

vector.import2pg

Check description: The layers can be imported into PostGIS database.

Required check, the check cannot be skipped.

vector.enum

Check description: Features use specific codes in specific attributes.

Optional check, the check may be skipped.

Requirements:

• the value in code attribute must be from the set 1, 2, 3;
• feature having other value or empty value or null value is reported as error;

vector.singlepart

Check description: All geometries are singlepart.

Optional check, the check may be skipped.

Requirements:

• feature having geometry containing more than one part is reported as error;
• the geometry may contain holes;

vector.geometry

Check description: The geometries are valid.

Optional check, the check may be skipped.

Requirements:

• feature having invalid geometry is reported as error, see ST_IsValid();

vector.area

Check description: Area attribute has correct values.

Optional check, the check may be skipped.

Requirements:

• feature having the value of area attribute out of tolerance is reported as error;
• the value of the attribute is compared against the result of ST_Area();
• the tolerance is set to 0.001m2;

vector.layer_area

Check description: Vector and raster layer have similar area.

Optional check, the check may be skipped.

Requirements:

• the difference of area covered by the classes 1, 2, 3 in vector layer and area covered by the classes 1, 3 in raster band must be in tolerance;
• difference >0.5% results in error;
• difference between 0.05% and 0.5% results in warning;

vector.compactness

Check description: Linear and patchy features have appropriate compactness coefficient.

Optional check, the check may be skipped.

Requirements:

• linear feature having compactness coefficient greater then 0.75 is reported as error;
• compactness of patchy features must be greater than 0.75;
• compactness = 4 x pi x (area / perimeter ** 2);

vector.mmu

Check description: minimum mapping unit.

Optional check, the check may be skipped.

Requirements:

• feature of code 2 having area <200m2 is reported as error;

vector.mxmu

Check description: maximum mapping unit.

Optional check, the check may be skipped.

Requirements:

• feature satisfying general requirements:
  • feature having code = 1 (linear structures) or code = 3 (other woody features)
  • feature having code = 2 and area <= 5000 m2;
• All other features are reported as errors.

vector.mmw

Check description: minimum mapping width.

Optional check, the check may be skipped.

Requirements:

• if negative buffer applied on a geometry generates more than one geometry, such corresponding feature is reported as warning;
• only feataures of code 2 are checked;
• the buffer size is 10 / 2 m;

vector.mxmw

Check description: maximum mapping width.

Optional check, the check may be skipped.

Requirements:

• if negative buffer applied on a geometry leaves empty geometry, such corresponding feature is reported as warning;
• only features of code 1 are checked;
• the buffer size is 30 / 2 m;

vector.mml

Check description: minimum mapping length.

Optional check, the check may be skipped.

Requirements:

• medial axis is generated for every geometry, see ST_ApproximateMedialAxis();
• if the length of the axis is less or equal than 50m, such corresponding feature is reported as warning;
• only features of code 1 are checked;

vector.overlap

Check description: there is no couple of overlapping polygons.

Optional check, the check may be skipped.

Requirements:

• feature having part of its interior common with other feature is reported as error;

vector.neighbour

Check description: there is no couple of neighbouring polygons having the same code.

Optional check, the check may be skipped.

Requirements:

• feature having neighbouring feature of the same code is reported as error;

vector.inspire

Check description: metadata are in accord with INSPIRE specification.

Optional check, the check may be skipped.

Requirements:

• the layer must contain an INSPIRE compliant XML metadata document;