TRANSCAD教程3：DEVELOP 2004 BASE YEAR TransCAD NETWORK and SKIMS

  ck OK. Name this new matrix Skimtree.mtx. IDs are in ID, and both rows and colums are from Centroids. Label this matrix Skim tree. Return to Matrix / Fill. This time click onto the "Cell by Cell" tab. Fill the following:

1. Method to Fill Matrix: Add matrices
2. Matrices to Use: Shortest path, Matrix 1
   and Terminal time, Matrix 1
3. Cells to Fill: All
4. Click OK

This last file is required for subsequent modeling and corresponds to free-flow travel time between all origin-destination pairs as computed from link distances and input free-flow speeds. Once volumes are loaded on the network, congested travel times may be computed.

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2.3 Report Skim Trees

After skim trees have been generated, plot the trees for each centroid to error check your network data. Report the resulting centroid-to-centroid free flow travel time table.

HELP: Plotting Skim Trees
If assistance is needed in Plotting Skim Trees, then Click HERE.

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2.4 Prepare Task 2 Documentation[Page]

Prepare Task 2 documentation, including all transcad maps and dataviews. Follow all Project Report Style Guidelines in the preparation of this documentation. This material will be submitted as part of the first Interim Report (see Task 2.5).

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2.5 Submit Project Interim Report for Tasks 1 and 2

Submit a Project Interim Report incorporating Interim Reports for Tasks 1 and 2. Include a cover letter describing you submission

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