1
vote
0answers
22 views

Shoehorning hierarchial data into MS SQL ArcGIS SDE

So, I've been tasked with creating a set of tables to store hierarchical data within an SDE. This is in reference to utility data, i.e, a set of valves, control panels, actuators, etc (each ...
8
votes
2answers
207 views

How to efficiently (programmatically) determine whether two datasets have / don't have identical content?

Given: a geodatabase A that contains 100 datasets named a1 .. a100 a geodatabase B that contains 100 datasets named b1 .. b100 I want to programmatically (*) determine for each dataset pair (ai, ...
4
votes
3answers
124 views

Where can I find decadal climate and ocean data for Europe?

I would like to find decadal climate and ocean data for Europe that I can download and use directly in ArcGIS. Specifically, I am looking for mean annual temperature, sea surface temperature, and ...
2
votes
1answer
61 views

OSGB conversion error

So I am using ArcGIS 10 and trying to work in British National Grid. My shape file is in WGS84 UTM30N. By chance I passed the shape file across to a colleague and we both transformed into BNG. When ...
2
votes
1answer
348 views

Question about sizes of input rasters for raster calculation

To calculate any formula (conditional statements/relational operation etc) in the raster calculator in ArcGIS using two different sources of raster images, I'd like to know input rasters must be the ...
3
votes
1answer
177 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
166 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
43 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 ...
3
votes
1answer
842 views

Download Dataset From ArcGIS REST Service

Looking at this information page for a dataset hosted on esri.com: http://fema-services2.esri.com/arcgis/rest/services/2012_Sandy/ImageCat_NLT/MapServer/layers Trying to figure out how I can get ...
7
votes
2answers
524 views

Where can I find a shapefile basemap for the Indian Ocean?

I need to plot point data over a basemap of the Indian Ocean. Can anyone tell me where I can find such a basemap in shapefile format? I use ArcView 9. Thank you.
10
votes
1answer
282 views

Open-source software for managing terabytes of different formats of geospatial data?

I have a problem that I am sure many GIS Teams or Departments have which is how to find, keep track of and manage multiple different datasets from multiple sources. I have read the responses from a ...
14
votes
2answers
942 views

What is the best practice for data management? [duplicate]

I have always been curious how other folks are storing their spatial data. Outside of an enterprise environment where much data is stored in enterprise geodatabases, is it better to store data per ...
4
votes
4answers
495 views

How to test whether two countries are adjacent?

I have an interesting question: Is there a dataset by which I can use to test whether two countries are adjacent? For example, if inputs are Mexico and U.S., they are adjacent; if inputs are England ...
3
votes
2answers
155 views

Is there any site which provide classified image download for soil,vegetation or water resources?

(its particularly for indian states,i need.....,but kindly quote if any other info you have) the raster data may also work for me in above aspects.
2
votes
3answers
510 views

Looking for high resolution (1m or better) aerials for Turkey

Would prefer free but under a couple hundred dollars is also doable. It would be nice to have actual tif, sid, etc. files but a WMS would also work... using ArcGIS 10 Would also consider any of the ...
2
votes
1answer
891 views

How can I transform GCS_WGS_1984 to GCS_North_American_1983?

I need to convert a GCS_WGS_1984 data set to NAD_1983_UTM_Zone_14N. What transformation should I use?
1
vote
2answers
102 views

Split a Quad to 1:7,500 Question

Here I have 1:24,000k quads. I know how to use the word split toolbox. What I would like to split 24,000K to 1:7,500 or 6,000k. Is there a way around for me to do that ? For example,, if you have one ...
1
vote
1answer
2k views

Go to X,Y dialog box

If someone gave you a x,y coordinate numbers he/she got from. I put the numbers in the X,Y events on my ArcMap and they are in Meters numbers. We entered the number into the x,y dialog box. The ...
1
vote
0answers
98 views

How to delete classes that cover only a small area? [duplicate]

I want to delete pixels that have a small area of classifying in raster and vector images in ArcGis software.
2
votes
1answer
291 views

Need to programmatically create Barriers in my Network Dataset

I have the following C# code to create a Network Dataset layer that I can bring into ArcMap. However, even though I am able to create a Route from the ND, I am not able to create Barriers of any kind ...
2
votes
1answer
721 views

Seeking shapefiles of business locations

Does anyone know where to find shapefiles of businesses such as grocery stores or gas stations? Thanks!!
4
votes
1answer
220 views

Migrating Feature Datasets from ArcSDE to postgis

I am currently planning the migration of a database from ArcSDE/ Arcmap to postgis / Qgis. The data is stored in raster catalogues and feature datasets. Is there an equivalent to feature datasets ...
2
votes
2answers
89 views

Where can I find Stream codes for the State of Utah?

Does anyone know where I can find Stream (rivers, waterbodies) codes for the State of Utah? Thank You.
6
votes
5answers
2k views

What is the hierarchy of features in ArcGIS? Is it different in other software?

first post - new to GIS. My understanding of shapefiles is that they are (contain?) featureclasses, that contain features (points, polylines, polygons). Is there a clear hierarchy for these files. ...
1
vote
3answers
794 views

How to match Census Block Groups from different decades to show percent change?

I know for Census Tracts and Blocks there are Relationship files, but what is the best way to match Census Block Groups from different decades to compare change?
2
votes
2answers
5k views

How can I export county level data in a .shp file to a text (csv) file in ArcMap?

I have a shape file created as per the answer to my previous question, which includes county level means for each county in the US. How can I now export this data in a .csv file, e.g. with just the ...
1
vote
2answers
494 views

Are there sources for obtaining pre-made KML data from Google?

I have been asked to investigate methods for obtaining KML files. All I know so far is that it is a format based on XML that Google uses to format their maps (or the metadata). However, are there ...
7
votes
3answers
560 views

How can I make a county-level shape file from a set of points at 30 x30 km spacing?

I have a data set in csv form, like: latitude, longitude, value -45, 45, 10 .... I would like to calculate county level means from these data, using either ArcGIS or R+grass. I have the ArcGIS USA ...
1
vote
1answer
147 views

Need of an imagery for Mexico

I am doing Rapid Watershed Assessment for my agency and I am responsible for the Southern New Mexico and northwest Texas. I have 2 NAIP added to my ArcMap already and using it with the "Add Image ...
5
votes
3answers
642 views

How do I render data quicker in Arcmap?

Is there a way around to speed up the data into ArcMap ? When I converted the raster to polygon and some data would load up quicker and some other load slow. I am wondering if I could add the spatial ...
3
votes
2answers
889 views

Fastest way to create an ESRI Grid and populate cell values?

In terms of processing speed what's the fastest way of creating and then adding values to a raster? The values will originally come from ASCII files which can be about 500MB in size - ideally I ...
3
votes
2answers
177 views

Data storage shared with co-worker [closed]

I would like to ask anyone out there who knows of a good free website that allows me to upload my gis data files to co-worker. Each project I am working on are quite large and would need to upload 1 ...
2
votes
1answer
121 views

Where can I obtain 3D roadside features for UK?

I am doing some work on sight distances and I need a map or whatever of the UK that contains roadside features (road signs, trees etc) as well as the road features(road centreline etc) so i can ...
7
votes
5answers
3k views

Is there a way to view KML natively in ArcMap?

Answering this question: How do I import/export KML to ArcGIS Desktop? raised another one. There are loads of tools to import/export kml/kmz. Are there tools available for native viewing of KML in ...
13
votes
4answers
2k views

Data naming convention - starting with a number

My company uses ArcGIS and has a project and data file naming standards in place and (for the most part) followed. Something that has always bothered me about he naming standards is that it mandates ...
4
votes
3answers
2k views

Advice on using CityGML data and GIS

I'm looking for advice on how best to use the CityGML data-structure and GIS (preferably ArcGIS/QGIS). I've read through their website and wiki and saw a list of software here that can be used to view ...
2
votes
1answer
718 views

How to process topographic survey data in ArcGIS?

I am interested to find out how others process topographic survey data in ArcGIS. Often I am only given a text file or an Excel spreadsheet containing XYZ points and simple attribute information ...
12
votes
6answers
813 views

What is the best way to visualize multiple large LIDAR tiles?

I want to load approximately 10 large LIDAR tiles for analysis. I have tried using ArcScene but it appears there is a limit on how much data ArcScene can handle at one time. Each tile is 65-90MB in ...