Merging DEMs
For the purposes of contour creation, temporary rasters can be generated using the original digital elevation model (DEM) files. When the DEMs are merged, they are combined into a single new DEM that can be used for contour generation without modifying your original DEMs.
Schritte:
- Start ArcMap.Tipp:
If the ArcMap - Getting Started dialog box appears, you can open a new or existing map document. You can also check the Do not show this dialog box in the future check box and click Open.
- Load the DEM files you want to use to create contours.
- On the main menu, click Customize > Toolbars > Production Contouring.
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Click the Merge and Filter DEMs button on the Production Contouring toolbar.
The Merge and Filter DEMs dialog box appears.
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Click Merge Only in the Operation area.
Tipp:
You can filter the merged layer at the same by choosing the Merge and Filter Result option.
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Click the Open button next to the Merging/Filtering Output Raster Workspace field.
The Choose DEMs Folder dialog box appears.
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Navigate to a current DEM folder.
Hinweis:
The folder you choose must be a preexisting raster workspace.
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Click Open.
The Merge and Filter DEMs dialog box appears.
- Type a name for the merged file in the Merged Output Name text box.
- Click OK.
9/16/2010