Best practice is a method or technique that has consistently shown results superior to those achieved with other means, and that is used as a benchmark.

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17
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2answers
186 views

Best-practices for databases and APIs with geographic data spanning the antimeridian

What is the best-practice for storing geographic features (lines, polygons and their multipart equivalents) when these features span the antimeridian (±180° longitude), and need to be sent to and ...
2
votes
2answers
41 views

QGIS CRS Coordinate Reference System — Generated vs. Specified — error levels?

Below image appears to indicate that the vector layer data was identified as NAD_1983_HARN_StatePlane_Florida_North_FIPS_0903_Feet, which is a well known (to QGIS) CRS. However when the layer was ...
1
vote
0answers
71 views

What tools are avialble to help keep DEV, UAT, and PROD environments in sync?

Recently, I was doing some development work against our DEV environment. It seems logical at the time. When nearly complete, and after much face palming, I found the DEV environment was way out of ...
8
votes
0answers
466 views

What qualifications should auditor have to auditing GIS? [closed]

Background summary: Various systems are being audited and GIS is the next to be audited. The initial kick-off for the audit was a meeting between me and a single auditor. Initially, I thought it was ...
0
votes
0answers
37 views

Is a unioned feature class the fastest/best way to quickly get attributes from multiple feature classes at once?

I've been asked to create a feature class by unioning 18 polygon feature classes together, and retaining only certain attributes. The goal is to have a single feature class that can be queried once to ...
2
votes
1answer
262 views

Sublayers or Multiple Visualizations for CartoDB

I'm trying to learn a bit of CartoDB by creating a heatmap using crime data available on the city's website where the raw number of crimes are displayed for each police district. So far I've been ...
2
votes
1answer
126 views

Best practice for a group working on the same shapefile, with open source tools

We are a small (~5) group working on a single, shared shapefile. The current workflow is that each one of us does the editing on a designated attribute field, on his local copy, then exports the ...
7
votes
2answers
130 views

Best practices and examples of web maps of polar regions

I am looking for examples of web maps focusing on polar regions (Arctic or Antarctic) preferably using a polar projection. What could be best practices to follow for such web mapping applications? Any ...
16
votes
2answers
3k 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 ...
2
votes
1answer
38 views

Is it better to define object properties or layer properties?

I have a question, but it is difficult to phrase. I am picking up GIS methods as I go, and I have run into this problem frequently. Please excuse me if I am in the wrong place. When organizing ...
2
votes
1answer
938 views

Reverse Geocoding - calculate every time, or store result in database?

Several questions, such as this one, discuss whether to store only lat/long in the database & calculate the street address every time it is needed, but they seem to miss a few points & seem to ...
1
vote
1answer
123 views

What is a simple python code to practice with in arcgis? [closed]

I am trying to familiarize myself with python code. Could someone give me a simple code with an explanation of what it does so I can practice? Or a few codes with explanations if you have the time
1
vote
0answers
188 views

Enterprise License Server Management

I was hoping to get some information from others who have deployed an enterprise GIS License Manager for ArcGIS 10.x software. Honestly, I would like to see if our current setup is adequate or if we ...
4
votes
2answers
768 views

Best Practices : ArcGIS for Javascript

I have just started developing with ArcGIS for Javascript and as I'm learning Dojo I'm seeing a reason to modularize development for a more plug-n-play concept. I can't seem to find any good articles ...
3
votes
1answer
67 views

What is the OGC way of representing Related features?

I have a point shapefile of Persons (The point is located at the registered address of the person) and a polygon shapefile of parcels. There is an owner_id attribute in the parcels shapefile, which ...
0
votes
1answer
586 views

OpenLayers Handle Tile Load Failure

This is a question about a best practice. In my application, I am consuming a WMS layer. However, I would like to be able to gracefully fail if the service doesn't respond to a request. Instead of a ...
8
votes
1answer
382 views

What are the Best-practices for deploying services, data, & code to an ArcGIS production server?

We have a production GIS viewer that runs on a production server. Testing new development/data is done on a test server and we develop on a different server also. At the moment, a lot of the ...
6
votes
2answers
316 views

Advice in setting up foundational OSGeo enterprise GIS

First let me describe the task: My lab has approached me about setting up a simple GIS for a colleagues 'non-spatial' lab. There are a couple of key characteristics to the intended setup: Fully open ...
12
votes
1answer
406 views

What are the guidelines for the use of non-contiguous cartograms?

The non-contiguous cartogram seems to solve a lot of the area distortions seen with traditional cartograms, while preserving the ability to identify areas by their shape lost with Dorling or Demers ...
9
votes
2answers
343 views

Does a Scanned Map have to be georeferenced in the projection of the original Source?

I have a historic paper map for the Indian Sub-continent which has been scanned. The Map is in Albers Equal Area Conical projection, and has the latitude and longitude grid on it. I was trying to ...
10
votes
3answers
526 views

What's the convention for “upside down” labels?

I have line features that are to be used for labels. These lines are correctly oriented(rotated) and positioned such that text placed on them should give a good cartographic output. Compare the below ...
3
votes
2answers
259 views

ArcGIS Server: Better to have one massive map service or multiple smaller services?

I have a Silverlight application that consumes around 30 map service layers at different types. The service layers are categorized based on type and only applicable to certain screens of the ...
5
votes
1answer
211 views

Literature on public transit network connectivity metrics

Are you aware of any literature or best practices for measuring the connectivity of a public transit network, taking both route geometry and the schedule into account? In other words, I'd like to ...
9
votes
2answers
2k views

Lots of layers in one or multiple services? (and why)

I have a conundrum that I am getting mixed advice on how to go about. Therefore id like to put it to GIS-SE for some justified answers. Scenario: Client has a web mapping application. Does not ...
11
votes
7answers
2k views

Color palette conventions

I wonder if there is a "unified" source for map color conventions, that GIS map builders are encouraged to follow? EDIT To clear up my question a bit. I'm more interested in the color <-with ...
7
votes
2answers
296 views

.Net Solution Structure for ArcObjects and Geodatabase programming

OK - I understand that this is a bit subjective - but you're the best community forum I've got! So, we are talking about starting a fresh customisation for ArcGIS or a Windows app using Engine. I ...
3
votes
0answers
136 views

Looking for best practices for GIS file systems [duplicate]

Possible Duplicate: Organization and tidiness issues - How do you deal with multiple copies of layers? I'm trying to organize my GIS data in a file system. I work with DTED (0,1,2), raster ...
7
votes
3answers
211 views

Best practices for identifying training sites

Prior to image classification, collection of training sites and obtaining a signature file is the most critical step. Field visits with a reliable GPS Unit is usually the first step followed by ...
10
votes
4answers
352 views

Is there a standardized or “most used” dummy Z value?

Creating and importing both 2D and 3D data, I have many times encountered the situation where I have no Z value for a coordinate set, that the value of a Z coordinate seems out of range (like -99, ...