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OD Cost Matrix issues, need help with my setup, files attached
I'm helping a student run a simple OD Cost Matrix looking at the distances between homes in a village and all of the wells in the village along paths and roads. The student has digitized the "road"...
View ArticleConvert coordinates
Hi, I have a problem with converting the WFDEI data set i use (meta information can be found here: http://www.eu-watch.org/gfx_content/documents/README-WFDEI.pdf[/url]) to the correct projected...
View Articlebuffering adjacent polygons
Hi, I am trying to buffer a shapefile feature comprised of many ploygons that represent different segments of water. What is the best way in ArcGIS to leave polygon interfaces un-buffered? Any input is...
View ArticleTin to Raster Tool keeps crashing model
I have a fairly large model that seems to keep crashing every time it hits the Tin to Raster tool near the end. I have tried replacing the tool with a new one, thinking maybe it is corrupt and even...
View ArticleIterator logic bug
ArcGIS 10.1 Problem: iterators force the execution of functions upstream of the iterator. Excuse my ignorance if this is a known bug, or there is a workaround, but after conducting multiple searches I...
View ArticleDelete Rows in model builder hangs
Does anyone else see issues with the Delete Rows GP tool hanging at 10.1? We are using this GP tool within a model that updates records within a polygon SDE feature class. Our model uses a view which...
View Articleissues creating a buffer
newb question, im having issues creating a buffer. Im trying to create a buffer on a points layer that i found from a webserver. is the fact that its on a webserver causing this error? When i start the...
View ArticleJoin Multiple Attributes to Single Known Point
Hi, I am trying to take information collected in the field and add it to an existing point file. The issue here is that the data collected in the field may not be spatially correct, thus, would like to...
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Interpolation with Barrier
Attachment 31354 So as shown in pic I have a bunch of stations with water sample data and polygons representing the water in harbor. The objective is to interpolate data over the water body. To best...
View ArticleModel and Data Packaging for Sharing
Hello, I have created a Model Tool which analyzes a selection of data that I have stored in my GDB. The workflow includes simple interpolation and spatial analysis tools. Internal processes include...
View ArticleTroubles with Intersect overlay area
Hi everyone, I'm new with ArcGIS10.0 and having problems with spatial analysis using Intersect. I have 2 polygons A and B, while B is completely within A. When calculating the overlap area using...
View ArticleRe: Raster output blank when changing compression type
Help - perhaps I should post a new thread I have a similar error. I imported a raster into a gdb and in Raster Information the format changed to FGDBR. Compression changed from JPEG2000 to LZ77 The...
View ArticlePolygons -> Larger Polygons based on Attribute
Hey guys, i have the following problem: I have a set of buildings (either as a polygon, or if needed as centroid points) which I want to "sum up" in larger polygons. My buildings are classified in 8...
View ArticleMeasuring Distance using FSA
Hello, I'm very new to ArcGIS so please forgive me if this question is overly simple (or, conversely, impossible). I have a large number of records in an Excel file that include record number, one FSA...
View ArticleFind and Remove 's in specific field using Field Calculator
Hi all, I'm trying to use the Field Calculator on a specific field that contains several <Null> values and remove them all. Is there a way that I can do this? I assume that this process is not...
View ArticleResults window - messages
I understand that the results of past geoprocessing tasks are kept in XML files in the <user>\AppData\...\History folder. These XML files do not contain the messages produced by a task - where...
View ArticleSimple If - Then - Else Programming
Could someone please advise me how do use a simple "if - then - else" construct to take two columns of population data on different dates and compute a new column of the percentage change? I also need...
View ArticlePoints to Line coordinate system issue in ModelBulider
I'm using the Points to Line tool in ModelBuilder. I have set a model parameter for the Coordinates System and adjusted the Model Properties to use the Coordinates System parameter for the output...
View ArticleGetting correct distance in 'Point Distance' Output
Hello, so I am working on getting the distance between multiple points, using the "Point Distance" tool. But I am running into an error others seem to have, and the solutions do not seem to be working....
View ArticleDatabase connection problems - table not filtering
I'm running ArcGIS10.1 on Win7 64bit with Oracle 11g and I'm having trouble with database table connections in Oracle. In Modelbuilder I use the MakeTableView tool and apply a filter expression so that...
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