-
Overview
- Description of how MassGIS Data is organized, and a general introduction
of the broad categories the database - Base Map, Environmental, and Census. Includes
details on the Massachusetts State Plane coordinate system and a brief overview
on understanding map scale.
- Available Datalayers - A complete list of all datalayers distributed by MassGIS, each with a link to each individual layer's complete description page. Organized into the following categories:
- Image Data
- Census/Statistical Data
- Coastal and Marine Features
- Conservation/Recreation
- Cultural Resources
- Environmental Monitoring
- Indexes
- Infrastructure
- Physical Resources
- Political/Administrative Boundaries
- Regulated Areas
- Miscellaneous
- ArcSDE Layer Names and Descriptions
- Data Development Project Status Maps
-
Introduction
to MrSID - Answers
to commonly asked questions on using the MrSID image format. MassGIS now
distributes most imagery in this new raster format, in addition to Tiff
images.
- Introduction to JPEG 2000 - Answers to commonly asked questions on using the JPEG 2000 image format and how it is used by MassGIS.
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Last Updated 9/28/2007
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