This tag should only be used for questions concerning the ArcGIS Platform from Esri (as a whole). Try wherever possible to use a product tag such as arcgis-desktop, arcgis-server, arcgis-mobile or arcgis-online on conjunction with a version tag such as arcgis-10.1, arcgis-10.0 or arcgis-9.3.

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7
votes
3answers
3k views

How to analyze differences between two shape files and put results into a new shape?

I have two polygon shape files of the same region from two different years (1985 and 1997) and I need to analyse the differences between the two shapes resulting in a third polygon shape file ...
5
votes
2answers
185 views

Is there a way to increase the search radius of nearest neighbors for the Nibble tool?

I am working with a raster map vegetation types. I have about 20 types with unique raster code values that can be sorted into three classes: 1 - vegetation types I want to expand using the nibble ...
1
vote
1answer
107 views

Determining Pixel-by-pixel Catchments in ArcHydro

I used ArcHYDRO to prepare HydroDEM (5m) without sinks, Flow direction (FDR) raster, flow accumulation raster (FAC). As I understand FAC, value of pixel shows number of pixels that contribute to this ...
1
vote
1answer
82 views

Adding parameters to a category in a script tool

There is plenty of documentation on how to add parameters to a category in a python toolbox, (See the bottom of ...
7
votes
4answers
3k views

How do you explain what a .lyr file is?

My organization uses .lyr files consistently as a means for our users to view the data and build their mxds. It works great for our purposes, but we have run into an issue where we don't think the ...
1
vote
2answers
734 views

How to calculate the angle between two points (according to a reference point)

I need to calculate the angles between two points on ArcGIS. I have ArcInfo License, too. I have 5 points on a diagram. One of them is my reference point. The other four creates angles between each ...
7
votes
3answers
321 views

How to apply the four colors theorem in a polygon map in ArcGIS/ArcToolBox automatcally?

I need to apply the four colors theorem in a polygonal shape in a way that I do not need to choose manually each color to put in each region. I wish to knows if there is any extension, plug-in, script ...
2
votes
2answers
189 views

best practices for exception handling in ArcGIS .NET custom geoprocessing tools

I'm working on a set of C# GP tools for use both in Desktop and Server 10.1. The only soup-to-nuts treatment of writing geoprocessing tools in .NET appears to be Building a custom geoprocessing ...
2
votes
2answers
191 views

Cut a layer into many parts using a shapfile

I have a layer which is a map of a town, and a shapefile which shows the boundaries within that town. I wish to cut the layer up along each of the internal boundaries so that I end up with many ...
3
votes
1answer
143 views

Polygon to Raster is taking longer in script than in arcmap

I have a large dataset that I am working with. Basically I have a table with 900,000 records that I join to a geodatabase feature layer, then convert that to a raster. This process takes a total of ...
2
votes
2answers
152 views

Increase the speed limit by 35 percent

I have a network with a speed limit attributes. I want to increase the speed limit by 35 percent in order to run an analysis for an ambulance. Forexample, if the speed limit is 60, I will increase it ...
0
votes
1answer
129 views

ArcGIS 10 rasters/features in ArcGIS 9.3

I am tempted to go back to ArcGIS 9.3 from ArcGIS 10. For what I do, 9.3 is more efficent. Now...I know I cannot open ArcGIS 10 documents (maps, scenes) and layers in 9.3 unless saved as 9.3 file, ...
3
votes
1answer
96 views

Find out tight corners on roads

Problem: How can I pinpoint tight corners on a road dataset that might cause longer/larger vehicles difficulty in driving around. Assumptions: Ignore turns into junctions. Just interested in ...
4
votes
1answer
182 views

Select by attribute

In my shapefile, I have a bunch of features and one field is a integer numerical attribute. I'd like to select all of the features whose value is a multiple of another value. For instance, I have a ...
2
votes
1answer
256 views

How to make smaller ArcMap PDF for use in InDesign?

I frequently build reports that incorporate ArcMap maps. The maps are all exported in PDF format. I am finding that there are so many line segments in the map that importing them at times is almost ...
2
votes
1answer
385 views

How to build ArcGIS Flex Viewer app for remote server?

I'm trying to help a co-worker set up an ArcFlex Viewer app using the Application Builder. I'm a bit puzzled by the settings screen: It's asking for a web server base folder (local path) and a web ...
4
votes
3answers
446 views

How to join number of point features into attribute of nearest line segment

I have point shapefile with lot of attributes, that represent road accidents and line shapefile with highways. What i want is to join attribute into line shapefile with value, that represent number of ...
7
votes
1answer
308 views

Is there a significantly faster way to buffer than arcmap?

I hope this question is appropriate here and I apologize if it is more of a discussion question than a specific technical problem. I have to buffer 150,000 polygons for a real estate project. While ...
5
votes
1answer
780 views

How to automatically create all possible polyline routes connecting many point locations around a polygon obstruction?

Lets say I have 30 ports on the west of an island, and 30 on the east, and need to calculate all possible shipping distances between each and every port, with the routes having to steer around the ...
1
vote
2answers
356 views

Elevation difference map using two DEM

I am studying glacier mass balance and have ASTER and SRTM DEMs. I want to make an elevation/volume change image such that it graphically represents changes in elevation difference in various parts of ...
2
votes
2answers
220 views

Using select by location to update a field in a feature class

I am using Arc 10.1 and I am working on a script that takes a value from a field within one shape file and updates a field in another shape file based on its location. Basically I have smaller parcels ...
9
votes
1answer
1k views

How to find differences between shapefiles?

Every month I have to QA/QC some streets data for an entire county (over 47,000 records). The first step is to compare the two files. Currently, I'm using a tool that was created in house via VBA ...
4
votes
3answers
379 views

Finding outliers with wrong Z values in LIDAR data

I have more than 2000 XYZ .txt files and I have to do QC: let's say I have file, which I converted to multipoint (or even singlepart feature). I have mean Z value for a file, but ... if most of the ...
3
votes
1answer
233 views

How to make survey lines within a polygon?

I am trying to figure out how to make survey lines within a polygon. So first I make a polygon. Now I need to fill this polygon with lines, where I can choose the spacing between the lines, and the ...
1
vote
1answer
102 views

What ArcGIS Online feature layer can I use to display European states with unique country codes?

I'm writing a web page to display ECB statistics on an ArcGIS JavaScript API-based web map. I'm a bit lost when selecting a feature layer so that I can use the UniqueValueRenderer to make the states ...
2
votes
2answers
84 views

Can MakeFeatureLayer Object be Passed into ExportReport Function Layer Parameter?

I'm trying to pass an in memory layer object created from a feature class using Code: arcpy.MakeFeatureLayer_management() into the Code: arcpy.mapping.ExportReport() function. It's erroring out, ...
4
votes
1answer
308 views

ArcGIS Feature Service - Return a Single Row / Record

Is it possible to get just one row/record returned from a feature service query -- similar to the TOP, ROWNUM and LIMIT in database queries? Of course, OBJECTID "1" is not guaranteed. Is there a trick ...
2
votes
2answers
309 views

Calculate Percent coverage using another raster, with dif resolution and orientation

I have a 0.5 meter raster that defines presence or absence (cells are either 1 or 0). I have another 5 meter raster, which I created. I would like to calculate a percent coverage of the underlying 0.5 ...
3
votes
2answers
785 views

Exporting a USGS contour line shapefile to DWG or DXF

how do i assign the Z value based on the Elevation attribute? Using ArcGIS 10.1? I've been messing with this for an hour or two now and every time the exported DWG has ZERO for z value for all lines. ...
1
vote
2answers
147 views

3D elements buffer extrusion

I'm using ArcScene10.1 and I have a dataset containing of 3D points (x,y,z coordinates) with extrusion values (Evalue). Now I would like to create a square or ring buffer around the points and extrude ...
1
vote
1answer
103 views

Scanned Transparent Map Overlay

We have a flat file of 50 Geology maps that have a transparent overlay with faults and drill holes. I have them scanned and georeferenced as TIF images and they will be used in ArcGIS 10.0, 10.1 and ...
2
votes
1answer
392 views

how to add a query layer to a mxd in a python script

I want to add a query layer to an arcmap document so that whenever i have a db data update, it is reflected in my ma and I can update my service through python script. This is my script so far... ...
24
votes
4answers
1k views

How to use directional shading on boundaries for cartographic effect?

The attached screenshot of a National Geographic map shows some beautiful directional shading of boundaries. I'm trying to reproduce this sort of shading for a burn perimeter map, as I want to ...
3
votes
1answer
1k views

Why can't I access my ArcGIS Server externally?

I'm not sure what I'm doing wrong. I have Windows 2012 Server x64 with SQL Server 2012. I'm also using IIS 8 as a web server on the same machine. I've installed ArcGIS for Server 10.1 ...
1
vote
1answer
340 views

How do I change the ArcGIS Server Web Adaptor name?

If I decide I want to change the Web Adaptor name, is it as simple as going to the Web Adapter tab in the Server Manager and clicking unregister? And then would I just rerun the Web Adaptor install ...
2
votes
1answer
45 views

ArcGIS 9.3.1 User Privileges

I know that you can grant privileges for users using ArcCatalog for the whole Dataset as letting them select, update, delete and insert feature classes. But my question is how could I grant the ...
5
votes
1answer
138 views

What projection is this and how to use it in a GIS?

I have a request to do a map in non-standard projection: (source: http://www4.agr.gc.ca/AAFC-AAC/display-afficher.do?id=1263246127905&lang=eng) I couldn't manage to find it my materials. As well ...
3
votes
2answers
468 views

Majority filter (minimum mapping unit) in ArcGIS with larger window size

I want to run the majority filter in ArcGIS with a window size of 4 or 5 i.e. greater than the default 3. Is it possible? Or some other command (or tool) which might help me achieve that? thanks!
2
votes
1answer
45 views

How to manage a multiple dates in a single column?

I have data example an organizations, which consists sl.no, name of organization, facility type, latitude, longitude starting date of facility.My problem is for particular facility i had two or more ...
1
vote
2answers
729 views

Access geoprocessing service via REST, get JSON back

I have an ArcGIS Server 10.0 geoprocessing task with a REST endpoint something like this: http://server/arcgis/rest/services/MyService/GPServer/MyTask The task takes a parameter. I was hoping I could ...
2
votes
1answer
100 views

Syntax question for ArcGIS ICalculator object

This is a silly question, but I have this code snippet that I can't figure out: 'Define a calculator for NewArea field pCalculator = New Calculator With pCalculator .Cursor = pCursor ...
1
vote
1answer
435 views

Arc 10 Python .shp attributes - usings fields to populate other fields - if/then/else statement

Ive been looking for a solution and unable to find one so please help if able: I'm trying to avoid manually inputting Begin and End engineering station values already inputted into a seperate field. ...
5
votes
1answer
230 views

Skip errors in model builder

is there a way to handle an error within the arcgis modelbuilder? I have a model which iterates over hundreds of raster files. some of them may be corrupt. i`m looking for a way in which the model ...
2
votes
1answer
378 views

Need help in Python script : Getting an unicode encode error

When I`m running a script (it checks to which database a mxd is connected) I get the following error: return codecs.charmap_encode(input,errors,encoding_table) UnicodeEncodeError: 'charmap' codec ...
4
votes
2answers
158 views

ArcMap: Calculate Quarter using Date field

I am using ArcMap 10.0 and making a map where I symbolize on annual quarter (i.e. Q1 2013, Q2 2013, and so on by quarter through 2015). If a date field contains this: 01/15/2013, and I wanted to ...
2
votes
1answer
66 views

Non-Static Map ArcView 10.1

This one is new to me. This is what I received from my client: "He needs to be able to interact with the map, enlarge certain sections, etc. Can you send this over in a non-static format?" What ...
3
votes
1answer
113 views

How to add Oracle database connection to AnalyzeforMSD script?

I use this script right now: import os, arcpy directory = r"C:\Project" for root, dirs, files in os.walk(directory): for myFile in files: fileExt = os.path.splitext(myFile)[1] if (fileExt ...
2
votes
1answer
343 views

How to access all mxd files in a folder?

I'm a beginner to Python and am trying to figure out how I can access several mxds in a folder. For example, when I want to use the AnalyzeforMSD function in ArcGIS: import arcpy mxd = ...
0
votes
1answer
59 views

Vba Cons Numbers [duplicate]

I want to make a list of cons numbers(ex. 1,2,3...) in field calculator (VBA). When I am putting for example: (dim d d=[field]+1). The result is all my fields are =1. How to solve this arc map (vba). ...
2
votes
1answer
151 views

Can't cast from IFeatureClass to IFeatureClassLoad [duplicate]

I'm attempting to load a large number of features (up to 310k) into a feature class. It is functional at the moment, but speed is a major issue. It takes about .42 seconds per 1000 features. I've ...