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Landscape Restoration Tool Using ArcMap

Landscape Restoration Tool Using ArcMap. Chris Kelley CE 394K Term Project, Fall 2009. Landscape Restoration: Basic Process. Programs and Ideas Developed While Taking Preliminary Stabs at Designing a. Landscape Restoration Tool Using ArcMap. Chris Kelley CE 394K Term Project, Fall 2009.

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Landscape Restoration Tool Using ArcMap

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  1. Landscape Restoration Tool Using ArcMap Chris Kelley CE 394K Term Project, Fall 2009

  2. Landscape Restoration: Basic Process

  3. Programs and Ideas Developed While Taking Preliminary Stabs at Designing a Landscape Restoration Tool Using ArcMap Chris Kelley CE 394K Term Project, Fall 2009

  4. Learn VBA with ArcMap • Visual Basic for Applications (VBA) • In ArcMap(or MS Office) just hit <F11> • ArcObjects

  5. Learning ArcObjects through ArcHydro • Step 1: “hello world!” • Step 2: Call the AgreeDEM function

  6. Step 3: Replicate basic dendritic processing*: • VBA is easy and samples abound… *see Chang, 2007

  7. …but ArcObjects gets complicated

  8. Warning: VBA deprecated in ArcMap • Why did they do this?! • Bet you feel silly, Chris.

  9. Encapsulation and its Discontents • ESRI wants to separate code from program instances • Compare with data and metadata • What about simulations?

  10. Simulation vs. Sampling z = f(x, y, t) z(100m, 100m, 11/23/9) = 12.6 Adapted from Maidment, 2009

  11. Issue One – Continuous versus Discrete • Simulation: continuous and uncertain • Sampling: highly discrete and certain • Sensing: granular and certain

  12. Continuous Cover: One Possibility

  13. Issue Two – Spatial and Temporal Variability

  14. Issue Three – Rule Encapsulation • Combine rules and data • Render values through a common mathematical interface

  15. A Very, Very Simple Example

  16. Future Plans • More general expression parser • Complete DEM retouch tool • Model infiltration and overland flow • Conduct comparative sampling/simulation trial

  17. Questions?

  18. Thank You! References: Chang, K T, 2007. Programming ArcObjects with VBA: A Task-Oriented Approach. CRC Press. Maidment, D, 2009. Space and Time (PowerPoint). Whisenant, S, 1999. Repairing Damaged Wildlands. Cambridge University Press. Also: Innumerable message-board tips from people like “shark_boy27”

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