Tagged Questions

ArcGIS for Desktop is an Esri product from the ArcGIS Platform. This tag should be used to distinguish issues with it from those of ArcGIS for Server, ArcGIS for Mobile, ArcGIS Online, etc

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1answer
30 views

MS Access Database and ArcGIS

I would like to create an MS Database which is updated in real time with tabular data. The data should be processed automatically so that farmers are able to log in into the database and see charts ...
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0answers
37 views

electricity Analysis [on hold]

I need help i am new to gis and i am a little bit lost in the tutorial,i have meters that measure consumption for each building(time series data, readings fore each hour) and i have outside ...
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votes
2answers
29 views

Randomly assign a value to a specificed number of rows in a feature class in ArcGIS

I have several feature classes, each with a million or so rows. In each of these feature classes I have an attribute ("STATE"), the value of which I want to randomly assign to one or another state (so ...
1
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1answer
44 views

Measuring distance between two points?

I have two shapefiles and I would like to know the distance between each point on File1 and each corresponding point on File2 (one to one relationship). I have been using the Ruler and manually ...
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1answer
17 views

Create multiple bar graphs out of a single data table

I have data for obesity rates and alcohol consumption for 20 different countries, all in the same data table. I want to create 20 separate bar graphs, which I can then place over each country to show ...
1
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0answers
25 views

How to convert a 3-band image to a color-mapped one-band 8-bit image with ArcGIS or FME?

I have a 3 band image which needs to be converted to a 1 band image with colour-map so that I can assign different colours to the values. How can I first create a 1 band image out of RGB images with ...
-1
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0answers
29 views

Creating a unique ID for Object ID's

Does anyone know how to create a unique ID, in another field, for the existing oblect ID's? For example the Object ID is "1" I simply want to make it"1A". I am looking for a script or code that would ...
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0answers
11 views

Displaying band names in netcdf file in ArcGIS 10

I have several netcdf files that contain multiple bands with useful names. When I import into R, the names are intact. However, when I import the netcdf files into ArcGIS 10.2 using the makeNETCDF ...
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1answer
29 views

ArcGIS feature class interprets Latitude/Longitude in meters instead of degress

I wanted to tie toegther some data from my database table to an ArcGis map. The table contained an Object_Id, GIS_LATITUDE and GIS_LONGITUDE column. I added the feature layer based on the table (x as ...
2
votes
1answer
32 views

How do you override the required Create Fishnet parameters in ArcMap 10.1? [duplicate]

I'm writing a python script that creates a fishnet in a specified area (parcel shapefile) that accepts user input to create a polygon shapefile that represents a building, and polyline shapefile that ...
2
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1answer
24 views

Modelbuilder Iteration with Intersect Tool

I am trying to create a model that will select each feature within a feature class, then perform an intersect between that selection and another layer. The model setup seems rather straightforward, ...
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0answers
10 views

Deploy SD file to production environment

I have created map service using an oracle 11g geodatabase. I have created the SD file which knows the exact location of my table "myPlaces". (IP of my XE, credential etc) Now I have to send the SD ...
1
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1answer
26 views

NAD27 to NAD83, saving AFTER transformation?

I need to measure the distance (with the ruler) of points from two different layers. One layer is NAD83 and the other is NAD27. When importing the NAD27 csv file, I specified it was NAD27. Then I ...
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votes
1answer
36 views

GPX to shapefile tool error message

I downloaded the GPX to shapefile tool and when I use it I get the following error message: 1 No module named re Failed to execute (gpx2shp).
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0answers
14 views

Extracting nodes and links from shapefile in ArcGIS?

Can anyone please tell me how to extract the node data and link data separately from a shapefile using ArcGIS or any other software. And also suggest me if anyone has an idea of any code for this.
3
votes
1answer
41 views

arcpy release lock files

I have created a script that splits a shape file into multiple new shapefiles and adds them to an ArcMap document. When running the program a second time to overwrite those shape files lock-files are ...
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0answers
3 views

Using the “Propagate Displacment” Tool, to what degree are graphic conflicts solved

In our cartographic production process, we use the "Resolve Road Conflict" Tool to displace road features that have graphic conflicts. Next to the displaced roads this tool also creates Polygons as ...
2
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2answers
65 views

How to calculate the area between two contour line?

I created contours by using SRTM30 data. Now I need to find area between two contours like in between 0 m to 50 m depth and 50 m to 100 m.
2
votes
1answer
64 views

How can I display multiple multi-attribute labels for polygons

I am using ArcGIS for Desktop 10.2. I trying to import and display project data for various regions. Each project is tied to a location and I want to display Project Type, Funding Source, and a dollar ...
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0answers
19 views

Mosaic Dataset VS Raster Catalog [duplicate]

what are the basic differences between mosaic dataset and raster catalog? And which one should be prefered? Secondly, when we make mosaic dataset in a gdb (right click on gdb >> New >>) it gives ...
1
vote
1answer
24 views

findAndReplaceWorkspacePaths does not work for sde files so as to change datasouce (geodatabase)

I manage to change my datasouce by right clicking on an mxd file and choosing a different sde database connection file as shown in the following image. However When I try to do this using arcpy ...
1
vote
3answers
52 views

Creating buffer around particular raster cells using ArcGIS for Desktop?

I would like to draw 100m buffers around particular raster cells (artificial surfaces) in my LandCover raster layer in ArcMap10.2. The Buffer tool only works with polygon and the Expand tool always ...
0
votes
1answer
16 views

Append value(string) to multiple selected fields

In my attributes table I want to insert a new value to a few selected items, and keep the old data inside the field. The table contains multiple columns (street name, length... and public ...
1
vote
1answer
36 views

Calculate field in model builder using file name

I have browsed answers to similar questions but I still cant figure it out. I have created a new field called "namemonyr" in all of 646 shapefiles. I now want to populate that field using ...
1
vote
2answers
29 views

Line density to polygon

I have performed Line Density and the results is a Raster...I want to make polygons from this Raster, but I cannot do it... It shows me when I put this raster as Input raster: "One or more Dropped ...
2
votes
1answer
32 views

Getting attributes from a lyr file

I have downloaded a crime dataset from imaps, an online GIS server for Raleigh, NC. The dataset shows the location and types of crimes in the past 90 days. Using the info tool, I can see all of the ...
2
votes
1answer
35 views

Transforming coordinates between wgs84 and UTM ED50 31N, what am I missing?

My problem is I must tranform a point cloud from wgs84 (geographic) to UTM (projected) ED50 for zone 31North. Easy, isn't it? Well, first surprise is I have several free webs who offer me this ...
2
votes
1answer
38 views

Add or subtract days to date field using the field calculator

I am using ArcGIS 10.1 I'm not a programmer I want to use the field calculator to add 4 days to the current date if the status is "delivery" or subtract 5 days if its status is "order" this ...
2
votes
2answers
17 views

How to change/identify Linear units in Near Analysis Attributes Table

I need to get the closest distance from multiple points of a multipoint feature to a polyline that delineates a land contour. To do this, I used the Near(analysis) feature. It worked, but I can't tell ...
0
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0answers
17 views

What is the .geo extension and how do I create one in ArcView?

I have to create a georeferenced image from ArcView/ArcMap in the .geo format. I can't find much on the web on this. Any help appreciated!
1
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0answers
21 views

moving points from one place to another on the same layer

i have Created a point shapefile and want to add points approximately at every 200 m along the centre line of the new road and rail corridors. after that i want to add field ID to the attribute table ...
1
vote
0answers
30 views

How to edit a service definition file (SD) so as to change the Data source (User in oracle)

I am using Oracle 11g ArcGIS 10.2 Considering I have an enterprise geodatabase and I am connected as user1/mypass@myIP/xe I create a map from my table "mylocations" I choose share as ...
2
votes
1answer
66 views

Raster Calculator syntax

I have two rasters depicting climate in two periods and I want to compare their values. I want to create a third raster returning: Values of raster 1 are within the minimum and maximum values of ...
0
votes
1answer
34 views

largest area polygon

I have a layer of polygon shapes, I know this could be a quite easy question to answer but I am a beginner and probably I am not using the right concept or terminology when looking at the desktop help ...
2
votes
1answer
18 views

How to calculate values in a 3*3 matrix using raster calculator?

How to manipulate a raster values in a 3 X 3 matrix.. using raster calculator or any other method e.g. to find out how many cells are there in a 3 X 3 matrix having cell values less than the center ...
2
votes
1answer
56 views

How to export lines from ArcGIS to be used in QGIS

After a big bunch of bureaucracy we have been giving green light to request government geodata. The requested data includes mostly seperate landplots, roads and rivers. We originally were told we'd ...
1
vote
1answer
27 views

Intersect/union two different polygon layers to produce a third polygon type

Can anyone instruct me on the correct way to union/intersect two different layers containing polygons so that a third layer is created containing the attributes of the non-overlapping regions from ...
1
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0answers
34 views

Unemployment analysis

I have been tasked to make a map or some sort of analysis that analyzes the spatial relationship of a certain ethnic that has high unemployment to areas that have potential employment opportunities. ...
0
votes
1answer
26 views

How to conduct an NDVI and regression with ArcMap?

I would ideally like to execute an NDVI on a sample of NAIP images and then use the NDVI scores per district or whatever my aggregate zone is, probably census tract. My goal is to identify census ...
0
votes
0answers
37 views

Reclassify raster value

I'm curious if anyone has been able to change one individual value in a raster file? I'm using Arc 10.2 and trying to change the value 99 to -2 for 144 files using model builder. So far, I've only ...
3
votes
1answer
40 views

Extracting raster data outside of clip

I'm trying to extract Sea Surface Temp raster (floating integer) that includes both sea temp and land surface temp. I want the data outside of a clip. I've clipped the coastline with a polygon in ...
2
votes
0answers
21 views

Use of ArcGIS Getis Ord Gi* and IDW tools with “hotspots” where unmeasured areas are “coldspots”

I am new to this forum and perhaps someone can be of help. I have two datasets that I would like to analyze together. The first dataset has bird nest locations in neighborhoods (nest). The second ...
2
votes
1answer
27 views

Converting Aspect degree to westness

I have extracted Aspect values in degree from DEM in ArcMap 10.2 full license. I want to investigate effect of Westness in my model so I was using conversion formula of Folded Aspect : ABS (180- ...
1
vote
1answer
30 views

Signature File Creating Issues

I'm working on a school project and running into an unexpected issue while trying to create a signature file. I have four classes in the Training Sample Manager consisting of: Permeable, Impervious, ...
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votes
0answers
28 views

Issue with da.updateCursor on shape

I recently posted answer Determining Y coordinate for Create Fishnet from desired Angle of Rotation in Python/ArcPy? . While working on it I found something weird with da.updateCursor on shape field. ...
1
vote
2answers
25 views

arcpy.Raster.save(*.jpg) - format unknown

The following Python script returns the error on the final line, "RuntimeError: ERROR 010093: Output raster format UNKNOWN is unsupported.": import arcpy inRaster = ...
1
vote
1answer
40 views

Calculate regional slope from DEM

I need to calculate regional slope for a coastline using a ~500 meter DEM covering a coastal plain and continental shelf where the slope for each grid cell is calculated by defining elevation extremes ...
1
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0answers
17 views

“Points To Raster Tool”- Output pixel values differ from original point values

I am trying to convert an evenly spaced set of points to a raster using the "Points To Raster" tool in 10.1. Problem: Generally, the raster makes sense, but in some areas the cell values differ quite ...
3
votes
2answers
116 views

Using Field Calculator to append attribute

I have a field containing the file names for photos. I need to add the folder location to the beginning of each file name. Anyone know the code for doing this in Field Calculator?
2
votes
1answer
39 views

On-The-Fly Processing

what's on-the-fly processing in arcgis? saw this terminology while doing some research on mosaic dataset. Looking for a simple(less-complicated) answer.