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− | == Outcomes ==
| + | #Redirect [[Tarsier tutorial: Rendering symbols from rasters]] |
− | *Render Fort Ord in a 3d realistic virtual reality
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− | *Use your land cover map to populate the visualization with trees and shrubs where appropriate
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− | == Prerequisites ==
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− | *Fort Ord land cover map
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− | *Habitat classification chart
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− | *[[Tarsier Installation|Download and install Tarsier]]
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− | == Recomended Reading ==
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− | [[Tarsier tutorial: Raster data]] | + | |
− | [[Tarsier tutorial: Raster resampler]]
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− | [[Tarsier tutorial: Renderer]]
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− | [[Tarsier tutorial: Simple fly-through]]
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− | == Intorduction ==
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− | In your remote sensing class (external link perhaps?) you have developed and ground truthed a land cover map. . .
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− | == Simplify the land cover map ==
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− | Your land cover map has too many classes for our purposes. We will want to reclassify the map distilling the classes down to just three: trees, shrubs, and other. This process could be done in other programs as well, but here is how it is done in Tarsier:
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− | # Open Tarsino
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− | # Open your Fort Ord land cover map:
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− | ## ->File ->Open
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− | ## Navigate to your land cover map and double click the file
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− | # Open the Raster Lookup tool:
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− | ## ->File ->New ->Tools ->Raster Lookup
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− | # Load the land cover map into the Raster Lookup
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− | ## In the Raster Lookup view, use the drop down box next to '''Input Raster:''' to select your land cover map
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− | # Click the '''Find Values''' button
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− | # To the right of '''Lookup Table Data:''', click the '''View''' button. This will display a table with a column, '''Input''', for all the values from the input raster (your land cover map) and another column, '''Output''', that will dictate the new values for the reclassified map.
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− | # Reclassify the map.
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− | ## Right now the "Output" column is filled with "-9999" which is the default null value. This will be the value of your "Other" class.
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− | ## For any input value that represents forest or trees, edit the corresponding output value by typing a "1" into the cell.
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− | ## For any input value that represents shrubs or chaparral, give the output value a "2".
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− | # After you have finished editing the table, click the '''Execute''' button on the Raster Lookup view.
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− | # View and save your reclassified raster
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− | ## To the right of '''Output Raster 0:''' click the '''View''' button
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− | ## Save the raster: With the Raster View window active, ->File ->Save As. . . Save your raster to an apropriate location. Tarsino will recognise file names up to 255 characters (no spaces)0, so name your file something informative like "'Original file name'_ReclassifiedTo.Trees.Shrubs.Other.'yymmdd'.tra"
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− | == Creating Raster Symbol Scheme ==
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− | The reclassified map has three classes, one of which is null (Other). You now need to let Tarsier know how you want the non-null classes to be visually represented in a render. One way to do this is to create a [[Tarsier: Raster Symbol Scheme|symbol scheme]].
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− | # Export your reclassified map to a Raster Symbol Scheme
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− | ## Make sure your the raster view window is active, if not click on it
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− | ## ->Raster ->Export to Symbol Scheme (This should open a new window)
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− | #
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− | == Visualizing Fort Ord with the [[Tarsier: Renderer| Renderer]] ==
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