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Watershed (2)

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Local machine example

Created: 2012-05-21 | Last updated: 2012-05-21

Credits: Jorgejesus

Ice Class Map pixel analysis (NERSC) (1)

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NERSC ice classification workflow. Avaible images for a specific date will be fecthed from the WPS service, and their color table changed to allow for a user to easly identify specific areas. Statistical analysis also run using the r.stats module. Worflow uses a list of image, the list will flow thru the workflow for process resulting in mutiple outputs

Created: 2011-11-02 | Last updated: 2011-11-02

Credits: Jorgejesus

WPS-GRASS-Bridge r.los example (1)

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r.los generates a raster output map in which the cells that are visible from a user-specified observer position are marked with the vertical angle (in degrees) required to see those cells (viewshed). A value of 0 is directly below the specified viewing position, 90 is due horizontal, and 180 is directly above the observer. The angle to the cell containing the viewing position is undefined and set to 180. http://grass.fbk.eu/grass62/manuals/html62_user/r.los.html

Created: 2011-10-13

Credits: Jorgejesus

Geottif image reprojection (1)

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Example of a WPS service that reprojects a geoTIFF by using a EPSG code. THe example image is in EPSG:32119, lcc projection for north caroline and it comes from GRASS-GIS spearfish dataset. The image is reprojected into EPSG:4326 (lat/long): Metadata: http://rsg.pml.ac.uk/wps/generic.cgi?request=describeProcess&service=wps&identifier=reprojectImage&version=1.0.0 Library: gdalwarp

Created: 2011-09-16 | Last updated: 2011-09-16

Credits: Jorgejesus

Point coordinate projection transformation (1)

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Point coordinate transformation. Hard coded example of transformation from 4326 (lat/long) to 32630 (UTM 30N) for 3 points in the UK. The service is called once at the time, just to test the list interactor, since the service could work with a list of points. Metadata: http://rsg.pml.ac.uk/wps/generic.cgi?request=describeProcess&service=wps&identifier=reprojectCoords&version=1.0.0 Library: gdaltransform

Created: 2011-09-16 | Last updated: 2011-09-16

Credits: Jorgejesus

Convert GML to SVG (1)

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This workflow can convert the GML (Geography Markup Language) file to SVG image.

Created: 2011-08-31 | Last updated: 2011-08-31

Credits: Harvey

TIFF to PNG (1)

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This workflow can convert Image format from TIFF to PNG. This workflow is one of the example for GENESI-DEC ontology.

Created: 2011-08-31 | Last updated: 2011-08-31

Credits: Harvey

Image metadata extraction (1)

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This workflow invokes the gdalinfo service and will list various information about a GDAL supported raster dataset of the image ( GeoTIFF, PNG, JPEG and GIF.).

Created: 2011-08-31 | Last updated: 2011-08-31

Credits: Harvey

GRASS-GIS orchestration using pyWPS (2)

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Generic workflow that run r.watershed, with auxiliary services: r.math and geotiff2png. Watershed accumulation is calculated from DEM using r.watershed, the accumulation result is then filtered using r.math with equation:output=(if(a>10,a,null())) Generic workflow that run r.watershed, with auxiliary services: r.math and geotiff2png. Watershed accumulation is calculated from DEM using r.watershed, the accumulation result is then filtered using r.math with equation: output=(if(a>10,...

Created: 2011-04-18 | Last updated: 2011-04-25

Credits: Jorgejesus

WPS orchestration example, image metadata ... (1)

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1 image inputs (GeoTIFF, JPEG,PNG), metadata from gdalinfo and histogram analisys, histogram result is a PNG image in base64 coding (default WPS service encoding) that will be converted to binary.

Created: 2011-03-03 | Last updated: 2011-03-03

Credits: Jorgejesus