ArcGIS is Esri's GIS platform name. DO NOT USE this tag except for questions concerning the ArcGIS platform AS A WHOLE. Product tags (arcgis-desktop, arcgis-server, arcgis-online, etc) combined with version tags (arcgis-10.3, arcgis-10.2, etc) are preferred

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4
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1answer
1k views

How to List field name aliases in ONE shapefile/layer using ArcPy?

I want to use arcpy/python to print out a list of all the field name aliases for a specified shapefile. So far I have been able to hack a script I found to list all the field name aliases associated ...
5
votes
1answer
220 views

How to analyze census data and display on map (shape file) in ArcGIS

first time on this part of Stack Exchange world. I'm hoping you guys can give me an idea on how to start. I basically have all this shape files representing a country, states of that country or ...
3
votes
1answer
4k views

Field Calculator VB Script Codeblock IF statement syntax is wrong

I can't figure out why the syntax is wrong in Field Calculator ArcMap 10. The complete codeblock is Dim CapitalDia As Number Dim TwagDia As Number Dim X As Number CapitalDia = [New_Pipe_S] TwagDia ...
1
vote
2answers
169 views

Generate straight lines between river confluences

I have the shapefile containing polylines that represent the river. I need to draw generalized straight line approximations of stream lines. River lines have the following attributes: river_id is ...
3
votes
3answers
357 views

How to create feature dataset by pgAdmin(postgres) that can by use in sde conection?

How to create feature dateset in postgres(pgAdmin) that can by use in sde conection (arcgis)?
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3answers
1k views

Merge separate features into single feature in a shapefile programmatically

I have a shapefile in which some features shares same values for all the attributes. I can merge them manually by going into edit session and, selecting features to be merged, and then using merge ...
4
votes
1answer
1k views

How to create polyline of varying distance from origin point using azimuth?

I am looking for a Python script that does the following: Uses a point (from a point shapefile) as the origin. Creates about 3 km line from point Based on an azimuth provided in the original point ...
0
votes
1answer
92 views

Upgrading ArcGIS JSAPI 2.x to 3.x & getting different errors

I have few data in which ArcGIS Java Script version 2.6 and 2.8 is used & I am upgrading it to ver.3.0/3.1 and getting different errors like (Store error,Map display is blank etc.) I searched on ...
2
votes
2answers
321 views

How do I reach a layer inside a GroupLayer?

I am having problems in ArcObjects. I am struggling to get to the individual (feature-)layers inside a GroupLayer. Does anyone know how to do that ?
5
votes
2answers
800 views

How to combine data from overlapping polygons?

Here's what I'm working with: Shape file of the current 32 Congressional districts for all states Shape file of the tract boundaries for Texas A DBF format table of Hispanic counts and proportions ...
2
votes
3answers
1k views

Creating new shapefile based on its attributes with python

I have a shapefile which has an attribute year. I used to generally copy and paste these features in the dataframe and then using the definition query just show polygons which were established before ...
3
votes
1answer
246 views

How to create a multimodal network?

How to add waterways and railroads without turn restrictions into the previously created street network dataset with turn restrictions, in order to create a multimodal network? For a university ...
3
votes
1answer
833 views

How to align two rasters of exact same cell size, extent in ArcGIS 10?

I have two raster datasets. One is already georeferenced. The second one is not georeferenced but should have the exact same extent and cell size as the first one. It is supposed to exactly overlap ...
6
votes
1answer
848 views

How to transfer data and replica information from a file geodatabase to ArcSDE?

I've got an arcgis 10.1 file geodatabase that contains a number of featureclasses and a number of one-way child replicas. Is there any tool that I can use to transfer the data and replica information ...
3
votes
3answers
4k views

Make selected polygon a different color without covering everything

Working in ArcGIS 9.3 I'm selecting polygons by attributes and trying to have the selection show up as a light yellow. I set the selection color to the light yellow and it's the 'lowest/last' layer ...
2
votes
1answer
941 views

How to Group By with Summarize on alphanumeric field in ArcGIS?

Is it possible to create from Summarize option, a new table with the COUNT of a string field and the code of municipalities, in my case, like that: +-------------------+--------------+ | ...
0
votes
1answer
2k views

How to to print and save the map with tiled and dynamic layers in arcgis using javascript?

I want to print this map. Can anyone please suggest to me how to print and save the displaying pap in ArcGIS using JavaScript? <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...
1
vote
1answer
866 views

How to display unique records in combo-box in ArcGIs Java Script API ver 3.0/3.1?

I am displaying almost 9000 records by four type (A,B,C & D) in which I am displaying records using combo-box. Each record is classified by "ctype" ( A or B or C or D) so I am putting this in ...
2
votes
1answer
64 views

Should I use thread lock when implementing Enabled void in ArcGis Command?

I've noticed that that ArcGis Commands are activated asynchronously. So I supposed that there is a chance to corrupt memory without using thread locks when overriding Enabled void of custom ArcGis ...
2
votes
2answers
361 views

How to improve the precision of KML files on Google Maps?

I am adding kml file to the google maps (api v3). Now the problem is that on google earth and google maps the accuracy of my kml decreases to kilometers. I am designing constituency boundaries and i ...
3
votes
1answer
212 views

Simplest way to share map and data with ArcGIS 10.x and 9.x users

What is the simplest way to share a map and data with both ArcGIS 10.0 and 9.3 users, portably? This question could be rephrased as "Instead of waiting for Esri to (maybe) implement backwards ...
2
votes
1answer
47 views

FEMA LOMA Data Availability?

Does anybody know where there might be some good/current FEMA data? I am interested specifically in the LOMA data for Florida. I have found a WMS Service that is hosted by FEMA but I'm having trouble ...
6
votes
2answers
690 views

How can I reduce the size of my file geodatadase?

We're using file geodatabase for tax mapping. we save building photos and there are 6000 buildings. The size of this data 2GB. So loading the data takes a lot of time we are not unable to do work ...
5
votes
2answers
1k views

How to replace arcpy.CalculateField_management with an update cursor?

I'd like to replace this expression arcpy.CalculateField_management(bufferFile, "Shape_Area", "float('!shape.area@squaremeters!')", "PYTHON") with an arcpy.da.updatecursor. The reason for this is ...
3
votes
1answer
117 views

How to recategorize features in GRASS by geometry, like the ArcGIS Sort tool?

The ArcGIS Sort tool creates a new feature class with features sorted by geometry. For example, it can number features IDs from north to south, etc. Is there a way to renumber the cat field in a GRASS ...
3
votes
1answer
691 views

ArcGIS XML Import Failed - how to find out why it failed?

I am creating an ESRi XML Workspace document in some of my own C# code. The XML doc that is produced validates against the GdbExchange.xsd schema provided by ESRI. However, when I use ArcCatalog to ...
2
votes
2answers
716 views

Georeference information stored in tfwx (from ArcGIS). Is it possible to see the georeference in QGIS?

I have georeferenced some images (ArcGIS -> Update Georeferencing) which creates a *.tfwx file with the new parameters for georeferencing. I renamed it to *.tfw but QGIS is not able to read the ...
3
votes
3answers
621 views

How to make Field Value constant size(length) by appending zeros towards the end?

I have been racking my brain, but I can't seem to find a solution to appending my field values in my .dbf to correspond with the values of my feature's attribute table. All I need to do is to append ...
4
votes
1answer
693 views

How to create polygon from xy data?

I have huge number of x and y data . these are left longitude,right longitude,buttom latitude and up latitude. each row is an extent of a polygon.i'd like to create a polygon using these data without ...
4
votes
1answer
276 views

How to extract most probable flow line from multiple lines?

I have to apply uncertainty principle to computing flow accumulation using Monte Carlo method. I generate raster with random numbers which represents mistakes in creating DEM. Then I apply those ...
2
votes
2answers
500 views

Why does Raster Calculator return GRID ERROR-Unable to open the input grid: 1+FLOATC:\document…?

I'm calculating Simple Ratio (SR) from NDVI using Raster calculator in Arcgis. Here is expression I wrote in Raster calculator. SR=(1+float[NDVI_apr.tif])/(1-float[NDVI_apr.tif]) But when I evaluate ...
1
vote
1answer
50 views

Prompting Dialogue Box to Have User Enter Information? Without ArcGIS Engine maybe?

Working with the ArcGIS family v10.1 on Windows 7. So, I have this vision for a GIS project that does the following: User opens up ArcGIS Explorer (ideally) or ArcMap (still fine), or I guess even ...
4
votes
2answers
508 views

How to remove redundant points

We basically have points table including vehicle routes.In huge traffic conditions,devices collecting data on route may output redundant points where at any coordinate same points may repeat.We can ...
1
vote
2answers
105 views

Upgrading custom Java script tool (ver. 1.3 to 3.1 ) for ArcGIS Java Script API and getting an error

I have found useful tool here (All US States and counties on combo-box) its using Java script API 1.3 version. I have downloaded the tool and trying use but its gives an store error (using version ...
1
vote
1answer
676 views

How to use python to export ArcGIS Server Map Service Properties?

What arcpy module can I use to write a python script to mine for fields of my map service properties and export them to a .tx file? I assume we need to tap into GIS Servers within the ArcCatalog ...
4
votes
2answers
1k views

How to invert a Buffer(get the inside of a ring buffer)?

I have a line layer of a road network around which I create a buffer zone of 1000 m with Analysis Tools>Proximity>Buffer. But I am interested in the areas outside the buffer zone, and not the buffer ...
3
votes
1answer
359 views

What is the difference between “Publish a service ” and “Save the service defination file” in ArcGIS Server 10.1?

I have published few map services in which I directly publish on server and for remaining services I have created service definition file. All services are working fine but what exactly difference ...
2
votes
1answer
447 views

Error while placing labels within polygons using ArcGIS JS API and a external Geometry Service

I have published in my ArcGIS server a map service with a table containing the polygons of all countries on Earth. So this table contains more than 200 rows and the geometry field is of type type: ...
14
votes
3answers
589 views

How to determine if trees within forest gaps are clustered?

The attached dataset shows approximately 6000 saplings in approximately 50 variable sized forest gaps. I am interested in learning how these saplings are growing within their respective gaps (i.e. ...
0
votes
2answers
162 views

Is it possible to add a field to ArcGIS Map Service without feature access?

I have published a mapservice without feature access on a remote machine only with a file geodatabase (shapefile on the disk). Because of limits of authority to create a spatial database(don't have ...
0
votes
2answers
83 views

Common class range for different attributes in a same polygon shapefile

I have a polygon shapefile which has population attributes pop90,pop91 and so on for 10 years. They have different minimum and maximum value for each of the years. Now I need to do classification for ...
3
votes
1answer
343 views

Counting number of overlayed points in line feature ArcGIS 9.3

I created a polyline representing a road using GPS points. then I have another set of data of random GPS co-ordinates which i have to overlay on that polyline(Road). I am trying to calculate how many ...
3
votes
1answer
2k views

How to batch rename feature datasets and then rename feature classes based on the new dataset name?

I need to create a python script (or model) that would first rename all the feature datasets in a gdb. The feature dataset is in a set format and I need to change the prefix of the dataset. For ...
4
votes
1answer
379 views

How to create an Shapefile on ArcGIS Server side?

I am developing a script which gets an JSON array with point coordinates. This array is encoded to a python dictionary. From this I filter all points (latitude and longitude) and an ID. This ...
4
votes
1answer
235 views

How to set page size in Arcpy?

It is possible to set Page size in arcpy, i'm looking for any tricky way to set the page size, using pure python or Arcpy. Thanks in advance
2
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0answers
57 views

how to use a particular output from previous code in my next code in matlab [closed]

I have written a code in matlab and there are several outputs. I have to use only one of the output(containing latitude, longitude, and one parameter) of these several outputs in my next code. Can ...
3
votes
1answer
1k views

Auto-update the map service & REST in ArcGIS server 10.1

I have one map service which is updating per day so I need to manually overwrite the service in ArcGIS 10.1 In previous versions 10.0 its very easy..just update the .mxd then REST will be auto ...
1
vote
1answer
181 views

How to shade or add grey overlay to non-selected features in ArcGIS JS API?

I have an application showing cadastral parcels. When a parcel is clicked, the applications makes zoom to the extent of this feature and prepares a floating pane where it is possible to load some ...
3
votes
1answer
1k views

Using ArcGIS ModelBuilder with a “While” Iterator

I am struggling to get the ArcGIS ModelBuilder "While" Iterator to work as I would expect it. I have a hunch it's user error, but even reading the help hasn't seemed to get it working for me. I have ...
5
votes
1answer
457 views

Stats on individual grid points nearest neighbours

First, thank you for this extremely useful and easy-to-access forum! I have shp of points where each point is the centroid of the individual cells of a 1*1km grid (~ 500 000 points). For each of ...