Quantcast
Channel: Forums - Geoprocessing
Browsing all 1751 articles
Browse latest View live

Automatic 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: -...

View Article


Image may be NSFW.
Clik here to view.

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 Article


Using "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 Article

Rasters 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 Article

Wrong 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...

View Article


Image may be NSFW.
Clik here to view.

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...

View Article

Clone method for geometry

Has anybody used the "clone(point_object)" method of a point or other geometry object? I cannot seem to find any documentation or examples of how to use this. I have tried both: (1) implementing this...

View Article

Minimum value selection from multiple points with same location

I have a database of water wells where multiple wells have the same location however, some have unique locations. At each point (unique or not) I need to select the minimum value. In my case, it is...

View Article


Distance between related points

Here is the thing, I have two point shapes, one containing “proposed” sampling stations and the second one with the “real” coordinates where the samples were taken. The proposed and real points are...

View Article


Map Registration( Geo referencing and Projection) Tool.

Hi All, I have requirement in my project to support GIS as a component in a customized application (not related to ArcMap, Catalog or desktop). Hence I will be needed to provide all the basic GIS...

View Article

Combining Multiple Models

Hey all! I have a large number of feature classes and process to run. I'm building the models using an Iterator tool, but it seems I can only have one per model. Now, I created seperate models for each...

View Article

Merging attributes between layers

Hi everyone, I am currently working with a 1:50,000 scale polyline, which represents the shoreline of Canada. I also have a polygon layer at 1:1,000,000 representing bedrock geology. My goal is to...

View Article

Unable to Export To Feature Class In Model Builder

Hi, I have a model whereby I wish to import an sde table, create xy events and export to a feature class. For some reason it says: ERROR 999999: Error executing function. Underlying DBMS error...

View Article


Tabulate Area temp files lingering in 10.1 sp1

I'm running a Python script that calls Tabulate Area a few thousand times. After receiving the "Fatal ERROR (INFDEF)" error a few times, I poked around and found that all of the temporary raster (e.g.,...

View Article

relating features from seperate shapefiles

I cannot remember how to complete this seemingly simple task. I have a points shapefile which I would like to append with a feature class populated with a unique field in a seperate line shapefile...

View Article


Image may be NSFW.
Clik here to view.

Tool for finding parcels of land of specific size/dimensions from line?

Hey everyone, I am pretty new to arcgis and have a question on how to do something. I will do my best trying to explain it. Included is a screenshot to help explain. Essentially am trying to find areas...

View Article

How to find adjacent polygons with ArcGIs 9.3

Hi all Is there a command in Model Bulder that allwos to find all the adjacent polygons for the selected oplygon. I know that in 10 there is Polygon Neighbors thanks

View Article


Use Model Builder to set Definition Query on two layers, loop through list

I am trying to build a model that will apply a definition query to two layers, run a tool, and then reset the deinition query with my next variable until it reaches the end of my list. Any ideas?

View Article

How to create and process postal code data to create FSA forward sortation...

Hi, I was wondering if there was a process flow chart or a How To in working with postal code data. I would like to create a FSA polygon layer for Ontario. I know I could purchase the data but I was...

View Article

10.1 SP1 ISSUE - NIM081369 A model with the Join Field tool crashes ArcMap.

This update broke the Join Field Tool for me. The fields join but no data comes with it. Code: arcpy.JoinField_management(CCTV_Survey1, "CCTV_Survey_Id", CCTV_Survey_Header1, "CCTV_Survey_Id", "") Did...

View Article
Browsing all 1751 articles
Browse latest View live