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- Tour the Layers
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- Lat/Lon Grid Layer
- Map Scalebar
- Nomenclature
- Crater Counting
- 3D
- Shape Layer
- Mosaics
- Map
- Advanced/Custom Maps
- Graphic/Numeric Maps
- Custom Map Sharing
- Stamp
- THEMIS
- MOC
- Viking
- CTX
- HiRise
- HiRISE Anaglyph
- HiRISE DTM
- HRSC
- CRISM Stamp Layer
- OMEGA
- Region of Interest
- TES
- THEMIS Planning
- Investigate Layer
- Landing Site Layer
- Tutorials
- Video Tutorials
- Displaying the Main View in 3D
- Finding THEMIS Observation Opportunities
- Submitting a THEMIS Region of Interest
- Loading a Custom Map
- Viewing TES Data in JMARS
- Using the Shape Layer
- Shape Layer: Intersect, Merge, and Subtract polygons from each other
- Shape Layer: Ellipse Drawing
- Shape Layer: Selecting a non-default column for circle-radius
- Shape Layer: Selecting a non-default column for fill-color
- Shape Layer: Add a Map Sampling Column
- Shape Layer: Adding a new color column based on the values of a radius column
- Shape Layer: Using Expressions
- Using JMARS for MSIP
- Introduction to SHARAD Radargrams
- Creating Numeric Maps
- JMARS Shortcut Keys
- JMARS Data Submission
- FAQ
- Open Source
- References
- Social Media
- Podcasts/Demos
- Download JMARS
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Drawing concentric polygons
It is not possible to draw "doughnut" polygons with the JMARS shape layer, however, the same effect may be achieved by drawing the inner (yellow in example above) and outer polygons (orange) and then arranging the display order of your polygons. To arrange the display order, left click on the row with the polygon of interest and drag it up or down.