Presentation on theme: "Theresa Valentine US Forest Service Corvallis Forest Science Lab"— Presentation transcript:
1Theresa Valentine US Forest Service Corvallis Forest Science Lab Visualizing Long Term Data: Developing Time Series Animations Using ArcGIS 9.2Theresa ValentineUS Forest ServiceCorvallis Forest Science Lab
2Overview Why Time? Preparing your data Primer on Animations Graphing Working with Spatial DataMaking a VideoDemoResources/Help
3Time Historical Data Projections out to the future Fire HistoryRoad building historyHarvest historyProjections out to the futureLooking for trends/interactionsPrecipitation/harvest/road building/slide locationsAble to look at many factors with time as the constant
4Preparing your Data What data can be animated In Arcmap, ArcScene, or ArcGlobeFeature class layersRaster catalog layersNetCDF layers (feature, raster, or table)In ArcMap, you can also animate tables, feature class layers, and netCDF layers in a graph2 ways to animate: attribute values change over time or shapes of features change over time
5Time Field FormatsNeed to be able to identify a start field or start and end fieldsDate, string, integer, and doubleString:YYYYMMDD YYY/MM/DDYYYY-MM-DD YYYYMMDDhhmmssYYYY/MM/DD hh:mm:ssYYYY-MM-DD hh:mm:ssInteger and double fieldYYYYMMDD YYYYMMDDhhmmsshh (00-23)See help for formatting a date string using the field calculator
6Working with Tables One to one or many to one table relationships Attributes stored in another tableTable must be joined to feature class layer or to the base tableOne to one: Use the Add Join Tool in the toolboxOne to Many: use Make Query Table ToolNote that the tables to be joined must be within the same geodatabase!Creating indexes will increase performance.May need to reformat the table. The Transpose Time Fields Tool can be run to reformat the fields
7Reformatting Time in Your Data ShapeState_nameY1980Y1990Y2000PolygonOregon106221000Wash2022234Idaho2221232Transpose Time ToolShapeState_nameTimeValuePolygonOregon1980106Wash202Idaho222
8Graphing Creating a Graph in ArcMap Start the graph wizard (tools, graphs)Right click properties and advanced properties after you create the base graphLook at the help for more information (creating a graph)
9Working with Spatial Data Attribute values change (populations of counties over time)Shape of each feature changes over time (wildfire progression, road network increasing over time)Each change is represented as a separate feature and each feature has a different date.You can choose to show the active features for a time period or show all features from the beginning of the animation to the current time period (progression of fire).
10Spatial Data Feature Class Layers Raster Catalog Layers NetCDF layers Coverages, shape files, regions, feature classesRaster Catalog LayersNeed a time field in the raster catalog attribute tableNetCDF layersYou choose a dimension to animate through.
11Primer on AnimationsBring up the Animation toolbar in ArcMap, ArcScene, or ArcGlobe (view> toolbars>animation)You need to clear your animations to start or the last one you used will still be there (you can save and reload animations).Read up on the help. It’s pretty good, but it’s easy to get lost.Things don’t always work as they should. Sometimes it’s good to save, exit, and reload.When doing graphs, turn off all the layers in your arcmap session as it’ll try to automate that instead of your graph.
12Primer on Animations Step 1: Create the time layer track click on animation on the animation toolbar and click Create KeyframeClick the Type drop-down arrow and choose Time LayerClick the source object drop-down arrow and click the layer or table you want to animateThe track can be bound later to multiple layers or tables to animate more than one layer or table at the same timeClick new to create a new track (use default name) or type in a new name and click new.Keyframe name input box, alter the default name for the first keyframe (start time)Click create to create a new keyframe for the trackKeyframe name input box, alter the default name for the second keyframe (end time)Click create to create another keyframe for the trackOnly two keyframes are required, but you can have more if you want different time intervals (see notes in help)
13Primer on Animations Step 2: Manage track and keyframe properties Click on Animation and click Animation ManagerClick the Tracks tab, click the track you created, and click PropertiesClick the Time Track Properties tabSpecify the start time field (and the end if necessary)Click the Format drop-down arrow (for date-formatted fields you don’t have to set the format. Use the blank if non of them fit)Check Animate fields cumulatively if desiredClick Calculate TimesCheck Show time in display if you want time displayed (very useful)Check Show track name in the display if you want to see the name of the track in the animationClick OKClick the Keyframe tabClick in the Time column to alter the time valuesClick in the interval column to alter the intervalClick in the units column to set the units to useClick close on the Animation Manger(you might want to save this so you can reload it later, especially if the computer bombs out on you) There is also no ‘undo’ in the animation manager
14Primer on Animations Tips: Step 3: Play the Animation Two ways to do it:Play the animation automatically using the Animation Controls dialog boxPlay the animation manually using the Time View SliderTips:You can remove the time text from your arcmap display with the select elements tool from the tools toolbar and delete.Look at the options under the Animation Controls.restore state after playingYou might want to check this offChange your play options and recalculate
15Making a VideoYou can export your animation to a video (from the animation toolbar).This can take a lot longer than you think. If you don’t use the option to enable off screen recording, you could run into problems with the FS 15 minute screen time-out)Be sure to click on the options tab before starting the recording process.
16Demo Videos and ArcMap Data from HJ Andrews Experimental Forest Cooperative program with Willamette National Forest, PNW Research Station (Corvallis Lab) and Oregon State UniversityLong Term Ecological Research Site (National Science Foundation)for more information
17Resources/Help ArcGIS Help: Mapping and Visualization Animating data through timeContact Theresa Valentine