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Indoor Mapping Data Format (IMDF) is a complex spatial data format based upon GeoJSON.It's a data model built by Apple which enables indoor positioning.
Apple Maps is an online mapping service that allows users to plan trips and navigate to locations in real time.In recent years,Apple Maps added support for indoor mapping,where visitors can plan trips and navigate around buildings,instead of outdoors.Such buildings often involve complex facilities such as shopping malls and airports.
Facilities may submit maps of their venue's buildings to be included in Apple Maps.Such data must be submitted in the indoor mapping format IMDF.
FME is an ideal tool for creating IMDF datasets,not just because it supports the translation of data to IMDF format,but also because it supports reading several hundred types and formats of data in which source maps might be stored.
This tutorial includes FME templates that convert data to IMDF using an example dataset.
The article for convertingVictoria Airport Geodatabases to IMDF includes the data and shows how Esri Geodatabase data can be converted to IMDF format using FME.Please note that to use this data with the other articles,the workspaces will need to have their parameters changed.
The article on convertingArcGIS Indoors to IMDFshows how ArcGIS Indoors data (and GIS data in general) can be converted to Apple IMDF format using FME.
一般来说,有关转换CAD数据的文章(在本例中是AutoCADDWG)显示了如何使用FME将CAD数据转换为IMDF。It consists of three parts:Preprocessing the Datausing FME,准备预处理数据using AutoCAD,andWriting the Prepared Data to IMDFusing FME.
The article onConverting IFC to IMDFhas a well documented workspace to explore what each part of the workspace does as well as asks questions to help you understand your data.This article includes a link to downloadable data.
IMDF files submitted to Apple must follow strict guidelines to ensure data integrity and maximize the usefulness of the data.Pre-submission validation ensures that the data follows these guidelines and that it can be uploaded to Apple Maps without any issues.
A final article in this tutorial explains how tovalidate IMDF data.
Two validation methods are provided.The first is afree online tool接受IMDF数据上传,assesses the data quality,and sends a validation report via email.
The second validation method is acustom transformerfor use inside FME workspaces.It can assess the quality of data before it is even written to IMDF format!
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