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Community Moderator for Geographic Information Systems SE

Moderator Pro Tem for Genealogy & Family History SE.

Freelance ArcGIS Specialist & GISP-AP with 25+ years Esri software experience, working where possible with Geoprocessing (including GP Services), ArcPy/Python, Open Source GIS, OGC Interoperability, OpenStreetMap, Zoology & Genealogy.

Author of:

  • ArcGIS for Desktop and Google Earth eLearning videos which are available via Discover Spatial
  • Introductory to Advanced level ArcGIS for Desktop and ArcPy training courses which are available Instructor-led or Self-paced - see PolyGeo website

Available for commercial ArcGIS consulting, training and support assignments, and willing to provide quotations to tackle any intractable ArcGIS for Desktop and ArcPy problems which appear on GIS Stack Exchange when they may be unsuitable to resolving expediently using its focussed Question & Answer format.

profile for PolyGeo on Stack Exchange, a network of free, community-driven Q&A sites

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1d
revised Is it possible to create one raster elevation layer from two different point layers in QGIS?
Readability
1d
revised How to export a layer to DXF from QGIS?
Removed signature etc as per help instructions
1d
revised Viewing Domain values as dropdown list in data grid in arcgis javascript api
edited tags
1d
revised How to display shapefile without map in Android?
edited title
1d
revised Creating batch file from ERDAS IMAGINE Spatial Modeler?
edited tags
1d
revised How to avoid background zero values in erdas imagine model maker?
edited tags
1d
revised Calculating TOA reflectance from Radiance using Erdas Imagine for a Spot2 image
edited tags
1d
revised Extract values to point - values not being extracted
Removed unnecessary thanks etc; edited tags
1d
revised Tools/Software for QA/QC of data
edited tags
1d
revised Field Calculator QGIS: CASE WHEN
edited tags
1d
revised How to change field defined as REQUIRED to NON_REQUIRED in ArcGIS Geodatabase
Removed signature as per help instructions
2d
revised Adding PostGIS query layer says Query class name is invalid?
Made title better match question
2d
revised Using arcpy.da.editor on a transactional version raising errors
edited tags
2d
revised Clipping MrSID files in ArcGIS Desktop?
Made title better match question
2d
revised Clipping MrSID raster image, without decompressing clipped raster, in ArcGIS Desktop?
Readability
2d
revised How to manually change from GPS (WGS84) to web based maps projection systems?
edited tags
2d
revised Standardised Spatial Information System Vocabulary
Removed signature as per help instructions
2d
revised Web based spatial data editor
edited tags
2d
revised Is it possible to set the permissions Geoserver creates new directories with?
edited tags
2d
revised Collaborative webmapping systems/platforms
edited tags