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Liz Sanderson

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Articles

Recent activity by Liz Sanderson

  • Invalid OGC Geometry Examples

    Checking for OGC compliance with the GeometryValidator transformer The GeometryValidator transformer can be used to check for features that fail to comply with the OGC geometry specifications. Ther...

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  • How to Clip TIN Surfaces

    IntroductionTriangular irregular networks (TIN) represent a continuous surface with a set of non-overlapping triangles. FME supports Solid and Surface clipping, making it easier than ever to quickl...

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  • AutoCAD DWG - Which format should I use?

    IntroductionThere are four formats in FME that can be used to read or write AutoCAD drawing files (.dwg or .dxf) Autodesk AutoCAD DWG/DXF (ACAD) Autodesk AutoCAD RealDWG DWG/DXF (REALDWG) Autodesk ...

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  • How to Use Google Earth to Georeference / Geocode KML files

    IntroductionNormally, when writing to Google Earth KML files, FME users will write out locations as points. However, if you do not have location data but only addresses, you will need to use a geoc...

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  • Error reading large number of Raster files

    ConsiderationFME fails with a file read or write error when reading a large number of source raster files.Why This HappensFor the best performance, FME's raster processing uses a "pull" model, wher...

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  • Example Using the Clipper Transformer

    IntroductionThe Clipper performs a geometric clipping operation (sometimes called a cookie-cutter). Most geometry types can be clipped by an area, and some may also be clipped by a solid. The follo...

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  • Correcting Topological Errors

    IntroductionIn order to correct topology errors, you should first test which features break the appropriate topology rule for your dataset. In this article, you will learn how to use FME to identif...

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  • Creating Looping workflows within FME Flow Automations

    Introduction Looping in FME Flow Automations enhances the functionality of automations by allowing FME Flow users to re-run actions that have failed (due to external factors) and create advanced ‘...

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  • Coercing Rasters - Creating Points and Polygons from Rasters

    IntroductionThe RasterToPolygonCoercer transformer vectorizes data by converting each cell into a polygon feature. This is suitable for thematic mapping as polygons with similar values can be disso...

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  • Automating PDF Data Extraction for ArcGIS Online

    As of FME 2024.0, support for Esri ArcGIS Online (AGOL), ArcGIS Enterprise Portal, and ArcGIS Server Feature Service formats has transitioned to a unified approach using the new Esri ArcGIS Feature...

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