ArcMap is the main component of the ESRI ArcGIS suite of geospatial processing programs.
2
votes
1answer
152 views
What are the units of the calculated area from a raster in decimal degree
I'm trying to calculate area for a raster file which contains 2 layers (0 for unsuitable habitat and 1 for suitable). It's been calculated successfully but I don't know what is the unit of the ...
0
votes
2answers
52 views
Select / Deselect and Identify Features in QGIS
Sorry if this is all a bit 101, but I'm new to QGIS.
I basically have a large Arc project that I can access in QGIS for reference, so will only really be using it to identify features. For example to ...
4
votes
1answer
43 views
Extract Z information from different vector layers in ArcMap 10.1
I have 2 different vector layers, Layer A detailing the area of different polygons and Layer B having similar size polygons with z values instead. I would need to combine Layer A with Layer B so that ...
11
votes
4answers
213 views
Copy, not export, a table from Arcmap
How can I copy a table, or selection of rows or columns in a table, from Arcmap without going through the pointy-clicky-typey exercise of Export table? The destination of said copy could be anything: ...
2
votes
1answer
37 views
How to symbolize in ArcGIS Categorized different color
I can symbolize my polygon in ArcGIS by categories. I tried for every field. But unfortunately in few polygon it showing same color those are just beside of same color polygon. I have to categorized ...
1
vote
1answer
50 views
What is the preferable value for setting tolerance for selecting a feature
I know it's really a basic question. But I am really confused about this. For selecting a point feature by mouse click, we need to set a tolerance value to create the envelope. And here is the problem ...
1
vote
3answers
74 views
Converting Categories to shapefiles [duplicate]
I have created 2 Categories in a feature using classification.Now how do I convert them into new shapefiles?
1
vote
0answers
72 views
Raster as Attribute Field Error
I'm using Arc 10.1. I am creating a parcel inventory where I would like to have a photo of the property attached as an attribute and view-able with an HTML popup. I have a polygon feature class built ...
1
vote
1answer
79 views
Does Identify tool of ArcGIS for Desktop have Python script behind it?
Can anyone let me know the Python script for "Identify" tool in arcmap10.
I need to create a customized script tool for that and add in a toolbar..
Pls help...
3
votes
1answer
52 views
Set unique values to different groups programmatically
I have a polyline feature layer. After doing some computation, I update a field of that layer and want to set unique color for different value of that field. We can do this from symbology using unique ...
1
vote
1answer
70 views
How to create dynamic sub-menu in ArcMap?
I created a static menu contains 3 static items like in this link create menus,
I want to add a sub-menu and get the menu's items from database like in this image:
I already did the left part with ...
4
votes
1answer
49 views
Automate process of duplicating point features - ArcGIS 10.0
I need to learn a way in which I can normalize data and in the same process duplicate certain records of a point feature class. The issue is as follows. I am provided address data in the following ...
6
votes
2answers
115 views
ESRI ArcMap Add-in Config.esriaddinx
I'm in the process of converting an older ArcMap extension to an Add-In in C# and I am trying to best take advantage of the XML based configuration.
Config.esriaddinx works great for the basic set up ...
1
vote
1answer
59 views
Where does the Style Manager store the files in and Why does the Style Manager does not show some edit color ramps?
Where are Color Ramp files saved? Every time I make edits, it does not show up on the Style Manager. Does it save it to the hard drive or in the Style Manager?
I need more information.
Thanks
1
vote
1answer
33 views
How to keep specified separation distance between features in printout from ArcMap?
Does anyone have a solution to select features using attribute values and print only the selection keeping a specified separation distance between the features in the printout in ArcMap.
3
votes
2answers
59 views
Printing large number of Points in ArcGIS
I have bathymetric data which have thousands of points ( exactly 71 K).
Now when I try to print it in a large map size in ARCMAP 10.0 , the layout view freezes and the system is hung , possibly due ...
2
votes
1answer
33 views
how to calculate raster layer statistics using arcpy?
I'm trying to write a script that will, in part, calculate statistics for a raster layer in an Arcmap mxd, but when I run the script I get an "invalid parameter" error (Error 000840), saying that the ...
1
vote
0answers
38 views
Clipping Buffers
I have buffered a line shapefile where many lines are intersecting but not broken at intersections. I am trying to select each record in the buffer file and clip all intersecting polygons in the same ...
3
votes
1answer
91 views
What to set spatial reference to after projecting to GCS_WGS_1984
I have a shapefile containing some sort of vectors or polygonal chains. This file is in the GCS_CH1903 geographic coordinate system (it is not specified though... if I import it into ArcMap it says ...
1
vote
1answer
39 views
Assigning value to a field on a layer based on spatial query with another layer
I want to assign a value to a field of a polygon layer based on the value of a field on another polygon layer, using a spatial query.
My first polygon layer contains buildings and the second contains ...
1
vote
1answer
35 views
Tables within the Reclassify tool- what is it, where is it?
ArcMap 10.1 here. I have a raster set I'm looking to reclassify. The field I need to re-classify is currently a string of words like "Thing 1" and "Thing 2" and I'm going to set them to be 1 and 2.
I ...
2
votes
2answers
56 views
Create a circle or ellipse from points
Sorry if this is basic. I have an excel sheet with lat/long in it and a field with a radius, in meters, included. I would like to create a circle or ellipse feature class around these points. ...
2
votes
1answer
114 views
Joining Excel with arcmap by model builder
I am trying to use the model builder tool in ArcMap 10.
I would like to join an Excel file (xls) with a shp.file.
The Excel file and the shapefile have one identical column with data but the ...
3
votes
1answer
92 views
Field Name & Alias
Is there a way I can modify the Field Name or to make him keep the Alias when a table is exported?
Or is there a way to keep the Alias instead of the Field Name, when exporting for example to .dbf ?
...
0
votes
1answer
46 views
Image Classification toolbar disabled in ArcMap 10.1
I'm trying to select an image from Image Classification toolbar but the dropdown arrow box is disabled. The 'Classification' dropdown box and all of its contents are also disabled.
Any help would be ...
1
vote
1answer
39 views
Extract multi values to point error
I am trying to extract values from my rasters : slope, aspect, landcover etc. for my animals group locations. I used Spatial analyst>Extract multi values to points but when I look in my attribute ...
2
votes
1answer
48 views
Add Surface Information in 3d-analyst
One of our guys is using the "Functional Surface->Add Surface Information" feature in 3D-analyst tool in ArcMap 10.1 to add elevation data to an XY list. It's the only feature we're using from the ...
4
votes
1answer
102 views
How to set focus on ArcMap map window using arcobjects and c#.net
I have developed a custom dockable window with textboxes, comboboxes and a button for use in ArcMap. After the user clicks on the button in the dockable window a function is invoked. After the ...
3
votes
1answer
54 views
Performing a field calculation affects selectable layers in ArcGIS 10.1
In ArcMap 10.1 I have a table open for a layer that I have set as not selectable. Yet when I use the Field Calculator for a record(s) in that table, it automatically makes the associated layer a ...
1
vote
0answers
62 views
Mapping between two different agencies roadway shapefiles of Las Vegas in ArcGIS
I have two roadway shapefiles of Vegas. But they do not overlap. One of the file has a certain shift from its exact location. Can anyone help me how can I move the location so that they overlap ...
2
votes
1answer
74 views
Differential Equations in ArcMap or ERDAS Imagine
I would like to know if it's possible to solve differential equations and run them directly in either ArcMap or ERDAS Imagine, similar to the raster calculator in ArcMap.
Thanks
J
1
vote
0answers
31 views
ArcMap10 using Feature to Line to simplify dual carriageways
I need to clean a roadmap shapefile to replace all dual carriageways (DCs) with single lines. The Feature to Line tool nearly works, but is destroying some of the road links. My current workflow ...
1
vote
2answers
58 views
Problem deleting file GDB with model builder when it has features in it
I built a simple tool that creates 2 file GDBs for my work needs, and another to delete them after the job is done.
When the GDBs are empty, the delete tool works fine. However, when there are ...
0
votes
1answer
40 views
ArcMap Geoprocessing Operation to create a layer with incorporated places and, separately, surrounding unincorporated portion of a county?
I am working with TIGER FILES, attempting to use the update (analysis) operation in ArcMap 10.1. The files I'm using are counties, and the incorporated (non-CDP) segment of the places file.
I'm ...
1
vote
1answer
87 views
How do you calculate a column value based on the value of another column?
I am trying to select data based on whether it starts with certain characters and then update a field. For example if [Asbuilt] starts with "WL" then do something. Here are the two methods I have ...
3
votes
1answer
149 views
Calculate area within Python script in Arcmap
I am trying to calculate the area of a polygon within my Python script. I create a new polygon from merging two together, and I'd like to add the area of the resulting polygon to a field in the output ...
2
votes
1answer
43 views
Ok to measure and union a projected-on-the-fly shapefile in ArcMap?
I have a dataframe in arcMap 10.0.4 that is of Africa Albers Equal Area Conic PCS. I bring in a census shapefile of WGS 1984 CS and it is projected on the fly.
I do 2 things:
I use the calculate ...
3
votes
1answer
55 views
Convert polygons to a number of randomly located points based on polygon size
ArcMap 10.1 on a PC. Working with a large shapefile with ~50,000 poygons with a wide range of size from 1,000+m. to <1m. I would like to convert these polygons into points so I can do some analysis ...
2
votes
0answers
36 views
How to split multiple overlapping points in ArcMap 9.2?
I am using ArcGIS (ArcMap with Info license) 9.2. I have many points that have the same XY coordinates. Is there any method to apply any sort of buffer by which they'll get desegregated at different ...
0
votes
0answers
26 views
Keeping attribute values in overlapping buffers
I am creating a buffer around salt marsh polygons of 275 meters. Naturally some of these buffers overlap. Prior to the buffering, each salt marsh had been given a score. I would like a) that that ...
1
vote
1answer
144 views
Error running ArcHydro tools function in Arcmap
I am trying to run a function from ArcHydro tools in Arcmap 10.1; Sink evaluation. But before it can finish it returns an error message, that, frankly, I don't understand at all.
It goes ...
4
votes
2answers
66 views
How to sequentially increment date field in ArcGIS
I have created a date field in my point shapefile. I want to input date their. I am able to do so. Now I want to create a sequential increment with 6 second interval from previous point to next point. ...
1
vote
0answers
61 views
Is any way to automate valley flood from raster image?
I have a raster image with high resolution. My challenge is, how to automate extract valley floods from the image, like this
1
vote
1answer
71 views
Database Connections folder is empty when viewed with ArcGIS tool
I'm trying to create an ArcGIS tool which accepts an SDE connection file as an input. I made a new interface with an input parameter and set the type to Database Connections. When I open the tool and ...
2
votes
1answer
70 views
ArcMap - cartographic representation and labels
Cartographic representation in ArcMap is a nice way to temporary change geometry of features, so you can make adjustments just for map making.
In my mapping project I need to move some point features ...
1
vote
0answers
43 views
When digitizing Lines, vertices are automatically generalized when finished feature
I am creating lines(feature class) and when the feature is finished Arcmap 10 will automatically generalize/smoothens the line. Is there any reason why this is happening? is this a bug of ArcMap 10?
...
1
vote
0answers
47 views
trying to find areas within a certain driving distance along a road network WITHOUT a specific destination
I was hoping somebody might be able to help me out with this.
I'm trying to use Arcmap 10.1 to find all the areas along a road network (a county roads layer in this case) that are a certain driving ...
5
votes
1answer
420 views
bing Basemap Missing
The bing basemap seems to have been recently removed from the "Add Basemap" dialogue in ArcMap. I'm using 10.1. I've also heard reports from a coworker that a bing basemap layer was replaced by the ...
0
votes
1answer
63 views
Using multiple address locators in ArcGIS
I am geocoding millions of addresses for my research (every registered voter in six states). I am using two geocoders: one that is really fast and one that has fewer unmatched addresses when I ...
0
votes
0answers
75 views
ArcMap runs custom script once and then it crashes on second run
So I made a script that takes data from an MSSQL database and inserts it into a featureclass. I added the script to a toolbox and am able to run the tool from within ArcMap 10.1. The problem is that ...
