Why Raster Labels With AGX (and ArcGIS Online)

A couple people have noted that ESRI used raster labels with the globe services offered today. A post on the ArcGIS Online forums outlines the thinking as to why they decided to do this and a work around for ArcGIS Online users.

One of the the things you’ll notice when using the globes and maps published initially with the ArcGIS Online services is the use of “rasterized” labels. In designing the services, there was much discussion of the relative merits of raster vs. vector labels. In general, raster labels offer the advantages of better font placement (e.g. stacked labels, angled text on physical features like mountain ranges, better label de-confliction) and better performance where text is dense. Vector labels offer the advantages of rotating and billboarded text when rotating or tilting the globe and sharper labels at some scales. For the beta release, the approach taken has been to develop both raster and vector label services so both are available for different uses. The initial globes and maps released use the raster labels. For raster labels, there are two services (named ESRI_BoundariesPlaces_World, ESRI_BoundariesPlacesAlt_World) that are designed for use on dark or light base maps, respectively. Users who prefer the vector labels, however, can update the globes to use the vector label service (named ESRI_PlaceLabels_World) that is also available on the ArcGIS Online server. Some new globes that are published by ESRI will use this service where appropriate.

redlands_upsidedown.jpg

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5 Comments

  1. Steven De Vriendt
    Posted November 30, 2006 at 3:28 am | Permalink

    When I add a shape, lines seem to be ‘rasterized’ as well…Is there any way to style the shape properly ?

  2. Posted November 30, 2006 at 3:38 am | Permalink

    Now that is some seriously bad text placement. Even upsidedown Was Maplex Labelling used on Fast or Best?

    Producing the Antarctica was the hardest as text placement is radiating outwards, all directions were north. And getting maplex label engine to align to the grat is almost impossible to achieve in polar stereographic projections (used radians and by editing PGB feature-linked annotation with the Advanced Annotation Editor)

    http://www.mapsinternational.co.uk/readonly/products_images/30.jpg

  3. SGD
    Posted November 30, 2006 at 6:49 am | Permalink

    Maybe ESRI shouldn’t use Maplex which is very overrated. A few years ago, I purchased MapText Label EZ for ArcGIS. It’s quirky as all get out and takes a long time to set up since it has so many settings, but it does a near perfect job.

  4. Pat
    Posted November 30, 2006 at 8:49 am | Permalink

    Looks like regular ESRI StreetMap labeling to me.

  5. Posted November 30, 2006 at 8:59 am | Permalink

    Pat is right, I believe it is all StreetMap

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