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- About JeffreySwain
JeffreySwain
Esri Regular Contributor
since
07-01-2014
05-21-2026
809
Posts created
10
Kudos given
28
Solutions
68
Kudos received
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My Ideas
(2 Idea Submissions)Latest Contributions by JeffreySwain
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You may be running into the limit of unique values in a raster. Go to the Customize > ArcMap Options > Raster Dataset. Adjust the 'Maximum number of unique values to render.' The default setting is to limit the processing time, so any adjustment up will increase the processing time.
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09-14-2011
04:34 AM
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You will have to modify the spatial extent and then fill in the areas that are Nodata with a value. You cannot add the null values to real values. There is workflow to work with the rasters with different spatial extents. You will have to make sure all of the spatial extents match and there are no null values in the areas that you are trying to keep.
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09-14-2011
04:26 AM
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It depends on the shapefile you are looking for. You can harvest the nodes, edges, domain or TIN Triangles. It just depends on what you are trying to achieve. Otherwise the raster will best represent the surface if contour generation is what is desired.
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09-13-2011
03:30 AM
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The tool Multipatch Footprint will yield the 2d footprint polygon for the building base. Then if you know the elevation of the base or roof, you can add an attribute to the polygon feature and then used the Feature 3d by Attribute tool.
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09-13-2011
03:25 AM
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I would recommend creating a Support call and the Analyst can look at what is going on your machine specifically. There maybe an error that is occurring.
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09-12-2011
04:25 AM
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I would consider using the Union tool to create the new feature that would split the polygon across the two zones. Then you should be able to process each building.
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09-12-2011
04:18 AM
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Here is a few of the top level workflows described in the help. I am sorry that you are having issues getting up and running. Also here is the tutorial for walking through the process. Also there are additional workflows described here. Best of luck.
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09-12-2011
04:12 AM
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BLOG
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A few of my favorite national and state/regional sources for GIS raster data are: Geo.Data.gov - http://geo.data.gov/geoportal/catalog/main/home.page USDA Geospatial Data Gateway- http://datagateway.nrcs.usda.gov/ USGS Seamless - http://seamless.usgs.gov/ GeoCommunity - http://data.geocomm.com/ EPA - http://www.epa.gov/geospatial/data.html Great Lakes Coastal Planning - http://aqua.wisc.edu/cpr/Default.aspx?tabid=85 TNRIS - http://www.tnris.state.tx.us/DataCatalog/Index.aspx North Carolina One Map - http://www.nconemap.com/ Minnesota - http://deli.dnr.state.mn.us/data_search.html California - http://atlas.ca.gov/download.html ArcGIS Online - http://www.arcgis.com/home/ National Hydrography Dataset - http://www.horizon-systems.com/nhdplus/data.php Thanks for all of the contributions in the comments! Check out the Resources for Raster Data page on Wiki.GIS.com for additional links and an updated list.Jeff S. - Raster Support Analyst |