kml basics chpt 5 overlays
TRANSCRIPT
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Keyhole Modeling Language – Chpt. 4 – Styles & Icons
Mr. Thomas Cooper
Outdoor Technology
The Walker School
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Overlay Types
Ground Screen Photo
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Ground Overlay – No Image
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Ground Overlay - Code
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Setting Lat. & Long.Directions1.Click Overlay2.Choose an image (you can make a “white box” in paint and then overlay it)3.Click on the Location tab4.Choose the coordinates5.Click OK6.Right Click and choose Copy from the menu7.Paste into Notepad8.CTRL-F to search for <LatLonBox>9.Adjust coordinates to fit (really only need hours and minutes)
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Ground and Image OverlayKom Firin Dig
DrawOrder: Defines the stacking order for the images in overlapping overlays. Overlays with higher <drawOrder> values are drawn on top of overlays with lower <drawOrder> values
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Overlay DrawOrder - Code
# 1
# 2
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Rumsey Historical Maps
Found under: Layers
Gallery
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Rumsey Historical Mapshttp://www.davidrumsey.com/
Click on links to download maps into GE.
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Downloaded Zip Files
1. Zip files can be viewed in the “Places” panel.
2. Maps are loaded into GE by clicking on the icon and then clicking on the link to overlay the map.
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USGS Topographic Mapshttp://www.gelib.com/usgs-topographic-maps.html
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Topo Map for Marietta
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Simple Screen Overlay - Code
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Creating Screen Overlays
Activity: Show students how to create basic screen overlays in Photoshop Layers Background Color Text Type and Color
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Accepted Overlay File Types
.PNG (portable network graphic, bitmapped)
.TIF (tagged image file format, for lines,
images and graphics) .GIF
(graphics interchange format, best for icons)
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Screen Overlay w/ Style
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Color and Depth Screen Overlay Alaska Volcano Observatory
http://ge.images.alaska.edu/
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Screen Overlay Combined Units - CodeCombining Units to Get Desired Position
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Determining Transparency – Part I
Directions1.Click on Image Overlay2.Title the overlay3.Browse for the image you want to make a transparent screen overlay4.Click OK
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Determining Transparency – Part II
Directions5. Right click on the overlay and choose COPY from the file menu.6. Open Note Pad7. Chose Paste from the Edit menu.8. Copy the hexidecimal code under the child tag <color>hexcode</color>9. Add it to your screen overlay code.
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Expedition Lit TripsScreen Overlay w/ Transparency
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Expedition Lit TripsScreen Overlay w/ Transparency - Code