Create curve/arc from points
Hi I've got a set of links between two location each (A-B) and I'd like to create curved polylines, rather than a straight line from A to B. This is for reasons of legibility as a lot of points sit on...
View Articlesum two elevation raster into a new raster
hello out there, i have a raster of a mountain i want to add its elevation data to the elevation an other raster somewhere else ( other olcation). How do i sum/add these two? I know i need to first...
View ArticleSpatial Join - two line features
I'm trying to spatially join the StreetMap lines to my network of roads. I'm really just wanting the names for the roads. So here's the problem. When I use "within" or "closest" and give a small amount...
View ArticleImporting arcpy error
Hi all, I am trying to import arcpy and I get this error >>> import arcpy Runtime error Traceback (most recent call last): File "<string>", line 1, in <module> File "c:\program...
View ArticleError in Using Integrate Tool in Geoprocessing
Hello everyone, I run into error "Attempted to read or write protected memory. This is often an indication that other memory is corrupt." when I use Integrate tool as follows: Public Sub Clean(ByVal...
View ArticleExport of a joined table results in more features than you start with
In ArcGIS 10.1 my export of a joined table has more records than the original feature class from which it came. It took me a bit to figure out but it looks like if you have a duplicate in the field in...
View ArticleSplit line - equal interval
I'm looking for the easiest way to split multiple lines by an equal distance. Everything I've found online seems to involve an incredibly convoluted hack. This seems like a basic requirement, so I...
View ArticleHow to split or cut a single polygon using a line layer
Hi all I have a polygon that I need to split or cut in two polygons using a line that is located in a a line layer. How can I do that? Thanks
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Is feature class corrupt?
I have python code that works perfectly for most of my digitized feature classes in separate geodatabases. However, there are many that stop the python code but will (sometimes) work in ArcMap. Because...
View ArticleAllow User to Draw Feature in Model Builder
I was looking through the 'Clip and Ship' example in the GP Service Examples and noticed that they had created a parameter (an in-memory Feature Set) that allows the user to draw a polygon on the map...
View ArticleSimple flood / innundation surface
I need a workflow for a simple flood surface or inundation area based on a river network. My inputs are just a 10m DEM and river vector file. How do I create or find the portion of the DEM that would...
View ArticleCreating rectangle over a buffer circle with specified angles/rotation?
Hello everyone, I have a layer that is a circle buffer around a point. What I want to do is create a rectangle around the circle, but have every rectangle be perfectly lined up N/S (0degrees of...
View ArticleSpatial Analysis - Applying Buffers
Hi, I am trying to perform a spatial analysis for a small assignment to find a suitable location/site that satisfies the conditions - 1. Within 20 miles of a community with a population over a given...
View ArticleCumulative area over time
I have a grid overlaying animal location points, and have been using spatial join to count the number of points in each cell. However, I would like to incorporate time into this, and cannot figure out...
View ArticleAutomatic Clipping of lines with multiple polygons
Hello, I am trying to use a layer containing approximately 1890 road right of way polygons to clip two line layers (Storm Lines and Pedestrian Network). What I want to do is to automate this process: -...
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Gaining central lines from buffer areas
Dear all, normally buffer polygons are gained from centreal lines. Now I have a file with buffer polygons (of rivers) but actually need the central lines. Is there any chance to gain central lines from...
View ArticleUsing "Lookup" tool within "Raster Calculator" to lookup an a field in a join.
Hello everyone, I am trying to call on the "Lookup" tool to look up a value in field located in a table joined to the raster's attribute table. I have successfully used "Lookup" manually from the...
View ArticleRasters with different cell sizes - problem
Hi, Please help me with the following problem in ArcMap 10.1 I had 2 rasters each with cell of size 30 (one which contains information about the type of construction and one with the county it belongs...
View ArticleWrong minimum bounding circle in UTM
I have found Minimum bounding circles for some polygon features.Most often I find that some features lying outside the resulting circle. Is this a bug in ESRI ArcGIS? I used an alternative method of...
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Model to Iterate over features error
Hello All, I have a shapefile that contains a grid of ~ 2500 polygons. I want to create a model that will iterate over each feature and create an individual feature class for each grid polygon. The...
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