The act or process of planning or writing a computer program.

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7
votes
1answer
151 views

Using Google Maps to track work per building and allowing users to manipulate that data

I work part time for a political campaign office, who are going door-to-door for several months at a time, all over a city. We need a system to track where we have been, and how long ago we were last ...
2
votes
2answers
352 views

flex to java trying to get started on the plan

I have as suggested recently on this forum been "playing" with arcgis server. For reasons perhaps not obvious to "real" programmers I have built a fairly extensive series of web mapping applications ...
6
votes
3answers
252 views

What is the more accepted practice for defining tolerance values?

The Context Due to restrictions, I have an application that requires line features to be selected if they are within a user defined tolerance from a points data set. I can not currently use any third ...
2
votes
1answer
141 views

Locate DTEDs from one layer that intersect a polygon in another layer

I'm new to the GIS world, and using ArcGIS 10, so please forgive me if this is a simple question. I have DTED files (level 2) that I have placed into a mosaic dataset, and I'm trying to determine ...
3
votes
1answer
220 views

Self-Sizing Labels

I have labels now in my application that work fine using the usual ILabelEngineLayerProperties2. When I set them up I set the .Expression property and using the .Symbol property I set the font, style, ...
3
votes
1answer
485 views

Georeferencing multiple rasters to World files

I've got exactly 56 tiffs to georeference. Each raster has its unique TFW world file. I'd like to automate this process. Each raster has it's unique name which is consistent with world file name (eg. ...
11
votes
9answers
2k views

What are the advantages of using Rails for a GIS/mapping application?

I've heard some good things about Rails, but I don't know much about it yet. There are only a few questions about Rails on GIS.SE (and there's not even a Rails tag). Is it worthwhile to learn about ...
6
votes
3answers
787 views

Add map making to java desktop software

In my project (a desktop application) I need to create a map with three layers, basic geographic layer at the bottom, a GSM coverage area layer on top of it, and then a location based services layer ...
19
votes
5answers
1k views

I'm new to GIS and I'm looking for a developer-friendly web gis [duplicate]

I'm a recent Computer Science graduate who prides himself in his knowledge of software development and problem solving, but has no idea how gis systems work. (Read: I'm a programmer) I've been ...
0
votes
1answer
218 views

Where to get raster files of Earth, united states [duplicate]

Possible Duplicate: Open access repository of general GIS spatial data? I'm brand new to GIS programming so please excuse my lack of knowledge. I am developing a GIS web app using ...
5
votes
1answer
355 views

Combined area of all features within features of another layer

I have a grid shapefile (basically, a half-degree grid of the world, where each cell has a unique id number), and a set of files with features. I want to record for each grid cell, all the areas ...
2
votes
1answer
197 views

Automatic updates to OpenLayers code

I have my map code in openlayers JS. My input data is in a text file and I am able to render the points on the map. I have to give the user a right to create a layer by entering the data in a form. ...
1
vote
2answers
441 views

ArcGIS COM API Error

i am using the arcGIS api to make a plugin for arcFM, when i try to run this code Type t = Type.GetTypeFromProgID("esriFramework.AppRef"); System.Object obj = ...
9
votes
5answers
3k views

Compiling Python Scripts that use ArcGIS Geoprocessing Tools?

I've been coding with Python for several months now and have developed some reasonably complex scripts for primarily geoprocessing tasks. That being said, I'm still learning a lot as I'm coming from a ...
1
vote
2answers
2k views

How do I programmatically update/recreate an ArcSDE feature class from external sql data?

I have an ArcSDE feature class that contains project points based on xy data from an external SQL databaes. (Not a geodb). I am looking for the best way to "recreate" the ArcSDE feature class from the ...
8
votes
4answers
1k views

Flood modelling insights

I am trying to create a flood modelling system. The system consists of two parts mainly a river flooding simulation and rainfall simulation. To do this I am running the latest version of GRASS 6.4. ...
5
votes
2answers
5k views

Basic proj4 conversion UTM grid -> longlat and back

I'm a GIS novice, and am struggling to understand how to drive proj4 to accomplish what seems like a simple thing. I've googled for a couple of days, but everything I find seems to presuppose quite ...
45
votes
13answers
11k views

Resources for learning Python programming with generic GIS goals in mind?

In your opinion, what is the best book/site to learn Python with GIS goals in mind? By "best", I mean: not very long (book) easy to understand (book/site) good practical examples (book/site) For ...
7
votes
6answers
3k views

Visual Studio 2008 vs 2010 for ArcGIS 10

Is there any differences, pros or cons between the two? I am going to buy Visual Studio and just want to be sure which one will work the best and have the most support going forward. I I am guessing ...
7
votes
0answers
594 views

Newbie to GIS Development in ArcGIS? [duplicate]

I am new to GIS development and was wondering if there are tutorials available for development in ArcGIS 10. I have some experience writing simple scripts in python and fooling around in model ...
7
votes
3answers
793 views

Looking for a basic PostGIS viewer to use as basis for own application

I'm looking for a rather basic PostGIS viewer. It should be possible to pan, zoom and retrieve coordinate information on mouse click. No need to support coordinate transformations. It should introduce ...
0
votes
1answer
373 views

Create moving map application from topographic maps

I'm trying to create a moving map application for an embedded ATOM device. Data source is a 400MB tif file (500dpi) plus projection and worldfile. My naive approach was to load that tiff into Global ...
5
votes
1answer
5k views

ArcMap field calculator VBA question

I am trying to use ArcMap's Field Calculator to populate values in a column based on a value in another column. So, in pseudo-code: if [field1] = 'Foo' set [field2] = 'Bar' endif Something like ...
10
votes
4answers
3k views

Code to calculate elevation profile along line from a DEM

Given a DEM (Digital Elevation Model) say in and a line (x1,y1) --> (x2,y2) (paired coordinates (x,y)), how can one calculate the elevation profile or cross-section projected on that line ? I am ...
4
votes
5answers
636 views

Where can I find statistics on software development within the GIS industry?

I am trying to find some information, specifically poll results on platforms and languages used for GIS software solutions. I remember taking one but I cannot find the poll to see the results, it may ...
19
votes
9answers
6k views

How do I develop my GIS programming skills?

I would like to develop my GIS programming skills, where do I start? People say learn C++ or Python but where can I learn this in a geographic context? Tutorials or anything would be very helpful, as ...
17
votes
12answers
514 views

Good conferences for Spatial/GIS developers

What are good conferences for GIS and spatial developers to attend. For ESRI desktop users I think the User Conference is a must attend but if you are an ESRI developer I think the ESRI developer ...