Tagged Questions

ArcMap is the main component of the ESRI ArcGIS suite of geospatial processing programs.

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0
votes
1answer
16 views

ESRI Linear Referencing and negative lengths

I have been asked this question regarding Linear Referencing (for Arcmap 10.1), but i do not have much experience with it so I am hoping someone out there can help. Essentially, I want to know how ...
1
vote
1answer
19 views

Arcmap 10 project: Finding best site for a new powerplant

I'm an electrical engineering student taking GIS introductory course as an elective. i have learned the basics of Arcmap 10 like adding data, creating maps, editing shapefiles etc. Now, i'm required ...
3
votes
1answer
30 views

How to check via Arcpy if ArcMap is currently in an edit session or not?

I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
0
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0answers
33 views

Adding attachments to features

Does anyone have an elegant solution to adding/viewing attachments, like a table/photos for example from within ArcMap using only the ArcGIS basic license level? Or any suggestions? I'm looking for ...
0
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0answers
18 views

Receiving Label Expression error

Writing simple label expression in python. It looks like this [Well_Name]+'\r'+ [TCA] . They are both string fields. I receive the following error "TypeError: coercing to Unicode: need string or ...
2
votes
1answer
41 views

How to catch invalid expression errors in Python?

I have a script that creates a new feature using arcpy.GetParameterAsText, but I'm having trouble creating an error message for incorrect user input. The input for a parcel # should be something like ...
3
votes
1answer
26 views

How can I hide a tool from command window under category

I have created a tool, a button and a dockable window under one project. To open/close the dockable window, button is used. For some specific work, by clicking some specific button from dockable ...
1
vote
2answers
31 views

Polyline will not turn into a feature layer via MakeFeatureLayer_management (arcpy)

I've got a python script that is connecting a sequence of points to make lines (script is based on answers to my previous question). To attempt to make subsequent processing more efficient, I would ...
2
votes
2answers
37 views

Issue with address locator in ArcGIS 10.1

I am attempting to geocode a table of addresses for a client. I researched into how to create your own address locator and have two separate reference sources: one that has exact address information ...
1
vote
1answer
28 views

using the “freehand” construction tool

I am drawing hydro features with the freehand tool. Does anyone know how to delete vertices (i.e. back up) in ArcMap 10 while drawing with freehand in the construction tools? I was just curious if ...
0
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0answers
19 views

Feature to Line on feature selections with ArcPy

I'm trying to collapse parallel polylines (dual carriageways in a shapefile of roads) to single centrelines. I'm aware of cartography's dual lines to centerline tool, but I find Feature To Line (Data ...
1
vote
2answers
36 views

Errors using SelectLayerByAttribute in ArcPy

I cannot for the life of me persuade SelectLayerByAttribute to work (I need to automate this for a complex script). Working in ArcMap's python console on already loaded shapefile, the format below: ...
2
votes
1answer
26 views

Can ArcMap do HTML pop up with a chart?

am using Arcmap 10.0 to create a map. Need to display a chart for my data when users click on the marker. Must I use plugin like google chart? Can I do it directly in Arcmap?
2
votes
1answer
49 views

Rounded Grid - Is it possible?

I was wondering if it's possible to make a layout, with rounded measured grids, in zoom maps. I'm using ArcMap and rounding the corners of data frame on layout mode to give a magnifying glass effect ...
2
votes
3answers
41 views

Breaking a continuous contour shapefile into smaller parts?

I created this contour shapefile and I need to break it into smaller parts so its better to manage. I also have a line shapefile of where I want the breaks. Is there a way to intersect and break them? ...
3
votes
0answers
33 views

drawing line from points

I have a series of XY coordinates. I want to use these points to draw a line in ARCMAP using arcobject10.1 using c#. I have saved this in a table inside geodatabase.Am i supposed to create a feature ...
1
vote
1answer
34 views

Batch create filenames in ModelBuilder(ArcMap10)

I am running a model in ModelBuilder. The input are raster files in *.tiff format and the output are *.asc format. I am using iterate raster and there will be 365 input and output files using ...
0
votes
2answers
36 views

Unable to execute ArcPy module outside of ArcGIS environment

I am using ArcGIS for Desktop 10.1 (Arc Info license) and ArcGIS for Server 10.1 and automating few things on server level and getting interesting errors. I am overwriting map service through this ...
2
votes
0answers
62 views

How to Calculate Utilization Distribution Overlap Index (UDOI) in ArcGIS

I'm interested in calculating the overlap of home ranges (=utilization distributions in my case) of a bird species using sighting coordinates. This article introduced UDOI as the best index for such ...
2
votes
1answer
31 views

ArcMap 10.1 convert layer to CAD - clipping only desired area to send out to DWG

Is there a way to covert a layer to DWG such that only the desired area of the layer is exported out to a DWG? My issue is that the layer (parcels) contains all parcels for an entire county, so it is ...
2
votes
2answers
24 views

Filled Polygons on the Edge of a Map - ArcMap 10.1

Today while making a map I encountered a problem with the fill from one of the displayed polygons flooding the whole map: Notice the upper right corner where the polygon appears hollow, it should ...
4
votes
2answers
51 views

Is it possible to create map packages for ArcMap version 10 using 10.1?

Is it possible to create a map package in an older version? Currently I am using 10.1 and the client uses 10.0. Can you create a map package for different versions? I see you can create layer ...
5
votes
3answers
99 views

Where to find .mxd examples for ArcGIS 10

I'm beginner of ArcGIS . I'm trying to learn how to use ArcMap. I would like to find some example MXD files for ArcMap, but couldn't find anything googling. Does anyone have any idea where can i find ...
0
votes
0answers
19 views

Assign value to raster cells within masked area [duplicate]

The answer I previously received for this question did not solve my problem...please keep in mind that I am a GIS beginner, and it's quite likely that I carried out the proposed solution (using ...
4
votes
0answers
48 views

Point and Line Statistical Analysis

I have just lost the past 8 hours on this, and literally getting nowhere - hoping someone can help before I go mad! I am trying to determine the correlation between sinkholes and a number of ...
1
vote
1answer
36 views

Oceans Baseline Data

I am working on a volunteer project and we are in desperate need of a baseline layer. I have been unable to find it anywhere (there are plenty of shoreline and coastline layers out there) does anyone ...
0
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1answer
25 views

Point to point distance over specified distance

I need to calculate the distance between neighbouring points which conform to a staggered line. I have two point datasets, one being the baseline and another the monitor. The points typically reside ...
0
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0answers
35 views

Do I need to use an output backlink raster in Cost Distance tool?

I have two polygon shapefiles and one cost surface. I need to estimate accessibility to these two sets of destinations. The part that I don't understand is if I have to use an output backlink raster ...
-1
votes
0answers
20 views

Arcmap clipped shape export to kml

I'm using Arcmap 10.0 and clipped the layers. When I use the convert map to xml, the clip is gone. Anyway to maintain it?
-1
votes
0answers
32 views

polygonal join in ArcMap 10 (no need for attributes)

I have two large polygonal layers I am trying to join together. There are many polygons that are not overlapping and keeping the attributes between the two is not a priority. Any suggestions for ...
1
vote
1answer
29 views

Calculating Volume of Reservoir using python and ArcMap10? [duplicate]

I have a raster file with different water depth in each cell. I am using Aster DEM so my resolution of that file is 30m by 30m. Now I want to calculate the total volume in that area by multiplying ...
3
votes
3answers
61 views

define parameter descriptions in ESRI Python Toolbox

I'm trying to create some Python Toolboxes for our ArcMap application (e.g. MyTool.pyt) I can see that the help text is defined with the classes self.description attribute. However, once I run the ...
3
votes
2answers
46 views

Select by Attributes (features sharing a common attribute value)

I am attempting to 'select by attributes' a point feature with the lowest numeric value which shares a common value with other point features in another field. For example: I may have 3 point features ...
0
votes
1answer
31 views

Wrong object size after projecting spatial data from one coordinate system to another

I am having problems reprojecting items in ArcMap 10.1 from British National Grid To WGS84. (WKID: 27700 Authority: EPSG to WKID: 102100 Authority: ESRI) All Polygon Layers I project [I use Project ...
3
votes
1answer
48 views

Where is the Object Loader in ArcMap?

I've only used the Simple Loader in ArcCatalog. http://resources.arcgis.com/en/help/main/10.1/index.html#/About_loading_data_into_existing_feature_classes_and_tables/003n0000003r000000/ This ...
1
vote
2answers
92 views

Arcpy to copy a layer in the ArcMap TOC, rename the copy, and paste back to TOC?

I want to make a copy of a layer in the ArcMap TOC (passed to my script as a Feature Layer), assign the copy a new name, set a definition query on it, and then add the copied Feature Layer back into ...
1
vote
0answers
27 views

ArcMap Oracle Query Layer Not Displaying

I am having an issue with an Oracle query layer using SDO_Geometry not displaying. I have created a polygon layer/table within oracle, registered the table with the SDO_GEOM_METADATA and created a ...
0
votes
0answers
25 views

“Fade” or change the color of MIL2525C Symbols in ArcGIS 10.1.1?

Using ArcGIS 10.1.1, I am able to update, remove, and add MIL2525C symbols to the map with the MessageHelper. After a certain period of time, I would like the MIL2525C symbol to either "fade" in ...
2
votes
3answers
50 views

How to divide a polygon with another polygon

I am working in ARCMAP 10. I am trying to divide a polygon with another polygon. I don´t want to clip any part away, but only divide the polygon? The polygons are stored in two different layers.
2
votes
3answers
60 views

Get IWorkSpace from IGxObject

I am creating a tool that opens an IGxDialog which it's objects are filtered to show only workspaces, my question is how can I convert IGxObject to IWorkSpace or get the selected workspace without ...
1
vote
0answers
60 views

How to compare outputs of erosion from ArcSWAT and RUSLE from ArcGIS?

I calculated water erosion in ArcSWAT and I also calculated erosion by RUSLE http://35.8.121.139/rusle/ equation in ArcGIS. Now I need to compare these two (from ArcSWAT I used SYLD- assumed ...
5
votes
2answers
89 views

How to do advanced Python labeling in Arcmap?

Does anyone have a good reference for advanced/complicated labeling expressions in Arcmap? I am attempting to write a Python label expression that would involve multiple label definitions. Here is ...
1
vote
2answers
60 views

ArcMap label expressions with Python

Having trouble here: I'm trying to use python to write selective label expressions. I have several concentrations and depending on its "_Ex" number I either want it labeled red, not red, or not ...
0
votes
0answers
13 views

can anybody explain how to create a wasp contour map in Q GIS? [duplicate]

can anybody explain how to create contour map,I need to export in .map format.
1
vote
1answer
82 views

Search cursor stops selecting after two iterations

I have a script which selects an extent from a grid and exports the data frame. import os, arcpy mxd = arcpy.mapping.MapDocument('CURRENT') df = arcpy.mapping.ListDataFrames(mxd,"Layers")[0] ...
0
votes
0answers
14 views

EM (electromagnetic) map to AWC (available water holding capacity) map

How do you use an equation from a regression analysis from Microsoft Excel to create a new available water holding capacity (AWC) map from an electromagnetic (EM) map. They are both to be in raster ...
3
votes
1answer
53 views

Customizing Identify Dialog in ArcMap

Any idea for customizing Identify Dialog in ArcMap.I want to use my control (for example a list view or a custom control) to show attributes of features in same native ArcMap Identify Dialog,mean ...
1
vote
2answers
97 views

Hypothetical Cost Saving Question: Proprietary v Open Source

I am writing a paper for my GIS MSc and trying to justify a move for the EPA from proprietary GIS software to open source (QGIS). Can anyone hazard an educated guess as to how much ArcGIS would cost ...
6
votes
3answers
120 views

How to efficiently read and reclassify many rasters in R

I've been tasked to create a suitability analysis of wave conditions in the Gulf of Mexico. I have 2 thousand or so raster files that are about 8 MB each (2438 columns, 1749 rows, 1km cell size). ...
0
votes
2answers
70 views

How to delete isolated pixels in ArcGIS 10.1?

I want to know that it is possible or not to edit the raster pixel in ArcGIS. I want to delete isolated pixel and I want to delete some pixel by manually. please tell me how can i do it manually or ...

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