Tagged Questions

ArcMap is the main application of ArcGIS for Desktop and the tag for that (arcgis-desktop) should normally be used in preference

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2
votes
1answer
200 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
99 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
235 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 ...
3
votes
2answers
574 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
144 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 ...
1
vote
1answer
76 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 ...
3
votes
3answers
348 views

Runtime error : ERROR 000358: Invalid expression 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
651 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?
3
votes
1answer
141 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
132 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
97 views

drawing line from points [duplicate]

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 ...
3
votes
1answer
469 views

How to batch create filenames in ModelBuilder?

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
148 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
1answer
594 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 ...
3
votes
2answers
125 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
465 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 ...
6
votes
4answers
2k 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
25 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 ...
1
vote
1answer
61 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
votes
1answer
75 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 ...
1
vote
1answer
111 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 ...
5
votes
3answers
865 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
362 views

How to Select by Attributes on features sharing common 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 ...
2
votes
1answer
123 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 ...
5
votes
1answer
654 views

Where is Object Loader found in ArcMap?

I've only used the Simple Loader in ArcCatalog. The documentation also mentions an Object Loader which resides in ArcMap. Where do I find this?
0
votes
4answers
1k 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
2answers
1k views

Dividing polygon with another polygon? [closed]

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 to divide the polygon? The polygons are stored in two different layers. ...
3
votes
3answers
280 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
228 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
2k 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
954 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 ...
2
votes
1answer
294 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
36 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 ...
4
votes
1answer
614 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
224 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
2k 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
1k 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 ...
2
votes
1answer
519 views

Create raster distance around a single point feature class

Okay, so I'm relatively new to ArcMap and I'm trying to use the Fuzzy membership for suitability test. I have a single point feature class that I want to use for this analysis. I know that in order to ...
2
votes
1answer
182 views

ArcObjects 10/10.1 Get rid of Invalid layer symbol in TOC

I've written an add-in (VS2010, C#) that finds specific invalid feature layers in ArcMap and fixes them. After the layer is fixed, the red invalid symbol still appears in the TOC. An ...
1
vote
0answers
191 views

How to get hold of the Activated Event for the ArcMap window?

I am using ArcObjects 9.3 .NET. In my ArcMap dockable window, I have a single element host hosting a WPF user control (That's the only means of using WPF for ArcMap extensions as far as I know). ...
0
votes
0answers
33 views

How to assigning multiple values (for single field) to a polygon layer [duplicate]

I am using arcmap 10 to generate a dataset that represents apartment building stock within particular suburbs. I have point data for the apartment buildings, with fields for the number of dwellings ...
3
votes
1answer
237 views

Data Frame Property options have changed

I have Googled and searched ESRI help files and experimented until I am blue, not to mention reloading ArcGIS Desktop10 for Repair and adding the SP5 to it. I no longer have the options of border or ...
0
votes
1answer
228 views

Create road speed limit segments with linear referencing

I have a route-feature class and a point feature class with speed limit signs. In ArcMap I am capable to reference the signs on the route with help of a reference field and using the locate features ...
2
votes
2answers
137 views

How to fix undershoots in data converted from Microstation using ArcMap 10.0?

I have converted data from Microstation to ArcGIS. The converted data has undershoots at intersections, so I tried to snap lines using Spatial Adjusment. I've added some control points but ArcMap ...
2
votes
2answers
343 views

How to convert existing lines to polygons with Arcobjects, preferably in C#?

Does anyone know how to convert existing line geometry to polygons with arcobjects as it works with the geoprocessing tool "feature to polygon"?
1
vote
0answers
183 views

ArcGIS opposite to pivot table

fellow GIS-ers :)! I've been trying to find a tool to do the opposite to what the "pivot table" tool does but I dont thin there is any tools for that. I have a raster data set derived from Landsat ...
4
votes
3answers
393 views

Where to find books or course materials to help prepare for Esri Technical Certification in ArcGIS Desktop and Developer?

Where I can find books or course materials to help prepare for Esri Technical Certification in ArcGIS Desktop and Developer?
1
vote
1answer
266 views

FeatureDataGrid and FeatureDataForm will not commit to database or input data

This is the second time that I have posted about this. In my previous question they told me I needed to enable the Feature Access capability. I did this and then it said I needed to have a Data Store ...
3
votes
2answers
262 views

How to use shortcuts in dockable windows?

I have developed a custom dockable window with textboxes, comboboxes and buttons for use in ArcMap. After the user clicks on a button in the dockable window a function is invoked. How can I invoke the ...
2
votes
1answer
2k 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 ...