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1
vote
1answer
64 views

Hypothetical Cost Saving Question: EPA 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 ...
0
votes
1answer
219 views

Convert Lat/Lon to Pixel-XY on cropped map

I've got a little problem. I have a GPX-Track containing LatLon coordinates based on WGS84. The track should be drawn on a cropped map, and for this, I need the pixel coordinates. The map tiles are ...
2
votes
0answers
36 views

How can I change the size of labels and points in GeoServer?

I am beginner in GeoServer. I was able to do some task by my professor they want me to change different size of points in map of GeoServer example I have my database named "PLACES" then these are the ...
3
votes
4answers
192 views

How to measure without coordinates?

My current Project is to "map" a turntable in qgis. I know, very unlikely but that's what my teacher wants. My teacher also wants me to measure something in this project (Very specific, isn't it?). ...
1
vote
2answers
997 views

how to create thematic map using OpenLayers and Geoserver?

I am still a beginner in learning GeoServer and OpenLayers. I tried to create thematic maps of the map that I publish in GeoServer. I used openlayer to show the map in web browser. When i want to ...
3
votes
2answers
141 views

Selecting a suitable GIS for my project

I need to develop a web-based map using existing shape files. Using the web-map, we must be able to select a region and produce contours for that selected region. Can any one suggest the best open ...
5
votes
2answers
2k views

Converting from DMS to DD using Python in Field Calculator

I need to convert lat/long that is expressed as degrees, minutes, and seconds in the data into decimal degrees. For example, in the data, they are listed as N335042.06 in the Latitude column, and ...
-7
votes
1answer
240 views

GIS application for sewer design…how is it done? [closed]

I need to know from the very beginning about how I start.
11
votes
1answer
262 views

File Validation using ArcPy

I have a script which scans a directory and outputs basic raster data information such as the file name, format, number of bands, and etc. I need a way to make it so if the directory does not contain ...
4
votes
2answers
242 views

Finding Band Count in Rasters using ArcPy

I'm having troubles finding the band count for my raster files using ArcPy. I need to first list all the raster files in a directory, and then display the band count for each file. I am able to list ...
4
votes
1answer
708 views

How to convert state name abbreviations to full names?

I have a data table with columns that includes city names (ex: San Jose) and state name abbreviations (ex: CA). Is there a way to define the state names as their full names (i.e., CA = California) and ...
9
votes
5answers
809 views

Determine min and max values in an ASCII raster dataset using Python

I have a raster dataset in ASCII format. Using Python, I need to determine the min and max values inside the dataset. I've been told that the header information is key, which contains things like ...
3
votes
2answers
169 views

methods for solving this simple routing problem

In my transport geography class, we were asked to do a "best guess" on the route which does the following on this graph: Starts at A Visits each node Returns to A minimizes distance. I wrote up ...