Sydney Dombowsky

Alpha Compositing: Transitioning to White

IntroductionAlpha compositing is the process of blending an image with a background using alpha values to set transparency, creating a seamless image with a smooth transition along the boundary. Th...

• Sydney Dombowsky
• Updated May 13, 2026 16:56
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Calculating Vegetation Indices in FME: Analyzing Wildfire Impact with NBR

IntroductionNBR is a vegetation index that uses the spectral properties of satellite imagery to assess burn severity and vegetative regrowth. In this tutorial, we will use FME to calculate this ind...

• Sydney Dombowsky
• Updated January 23, 2026 22:09
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Hi Sijmen Wesselingh, we've updated this tutorial to use data in OGC GeoPackage format instead of the SDF dataset, so no additional plugins are required. Thanks for your feedback!

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• January 09, 2026 23:00
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Hi Chris Lee, thanks for your question. The workflow in this tutorial outputs a surface-based model, so tools like KIT Model Viewer cannot calculate volume from it.You are correct that the CityGMLG...

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• January 03, 2026 00:39
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Hi felipeverdu, great question! If you wanted to use the Job Submitter service instead of Data Download, you would replace "fmedatadownload" with "fmejobsubmitter", so the line would look like this...

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• January 02, 2026 19:43
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Hi madoka, great question! Yes, you can install multiple versions of FME Form on Linux as well. Just make sure each version is installed in its own directory. If you install to the same location, t...

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• October 27, 2025 18:49
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Hi don_weaver, great question! Yes, in the AttributeManager’s Text or Arithmetic Editor, you can use the FME Feature Attribute “Current Attribute” (or the @CurrentAttribute() function) to reference...

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• October 23, 2025 19:10
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Converting CityGML to INSPIRE 3D Buildings (Annex III)

IntroductionIn this tutorial, we will convert CityGML to INSPIRE Annex III Buildings. Building models are often stored in CityGML, and this format has strongly influenced the model for INSPIRE 3D B...

• Sydney Dombowsky
• Updated March 26, 2026 18:26
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Area Measurements with the AreaCalculator

IntroductionThe easiest way to measure areas in FME Workbench is to use the AreaCalculator transformer. This example utilizes park data and the AreaCalculator, which calculates the area of each par...

• Sydney Dombowsky
• Updated September 17, 2025 23:12
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