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Liz Sanderson

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Articles

Recent activity by Liz Sanderson

  • Using FME's Gentrans mode

    Introduction FME’s GENTRANS mode is a way to do a quick translation between two formats. GENTRANS performs translations that are very similar to the Universal Translator’s Generate/Translate funct...

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  • The DatabaseJoiner Transformer

    IntroductionThe DatabaseJoiner transformer is similar to the FeatureJoiner or FeatureMerger, but instead of merging two streams of features and an in-memory join, it merges one stream of features w...

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  • Updating a PostgreSQL Database Using UPSERT

    IntroductionFME can UPSERT updates to PostgreSQL and PostGIS databases. UPSERT allows you to add a new row if it doesn’t already exist, or update an existing row in a single action. To use UPSERT, ...

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  • Tutorial: AutoCAD Transformations

    IntroductionThis tutorial contains several articles on common AutoCAD transformations, covering various AutoCAD-specific entities. These articles are aimed at users who are somewhat familiar with A...

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  • Converting CAD Datasets to IMDF: Part 3

    IntroductionThis is the final article in a three-part tutorial series about how to convert AutoCAD DWGs to Indoor Mapping Data Format (IMDF). This workspace will take the cleaned and edited DWG fil...

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  • Alternative Mosaicking Method for Images with Fuzzy Edges

    Introduction When mosaicking images with non-rectangular shapes, the usual process is to convert the color of the outside area (usually black or white), to NoData, then convert that in turn into a...

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  • Using the PointCloudToPointCoercer to Convert Point Clouds

    IntroductionThe PointCloudToPointCoercer is used when writing to formats that do not support point clouds. It will transform the point cloud into either a multipoint feature, which is an aggregate ...

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  • Data QA: Identifying Duplicate Attribute Values

    Introduction Duplicate attribute values are those where multiple features share the same value for the same attribute. In many cases this is natural and expected; for example, the province (county/...

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  • Performing Spatial Queries on Database Tables Using the FeatureReader

    Introduction The FeatureReader, SpatialRelator, and SpatialFilter transformers are great tools for performing spatial queries on data in FME Workbench. They allow you to quickly select your query p...

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  • Dynamic Workflows: Destination Schema is Derived from an External Dataset

    IntroductionThe workflow in the previous example reads any data and dynamically copies the schema from the source to the destination, generating an output that mirrors the input.It is also possible...

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