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0
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1answer
99 views

SQL Make Table (from .mdb) to Point Shapefile

For my school assignment, I must compose an SQL statement which retrieves data from a database in .mdb format. I have no problem developing the SQL statement. It is a requirement that we have an ...
3
votes
2answers
293 views

How to change the style of the north arrow from “ESRI North 4” to “ESRI North 1”?

I have a Python assignment where I have to write a script to change the style of the north arrow from “ESRI North 4” to “ESRI North 1”. I wrote the following code: import arcpy mxd = ...
0
votes
1answer
110 views

Code in python for arcgis to select multilines (path) and vertexes

I am learning to write a python code for ArcGis 10.2. Need help! I have some shp poly lines file, need to learn how to write multiple selection of those lines, even if a cursor of mouse pressed not ...
0
votes
2answers
382 views

Help writing script using a shapefile - select by attribute

I am trying to take an existing shapefile and narrow down the attributes using the 'select by attribute' The problem I am trying to solve is: Find parcels that have an acreage >= 100. The code I ...
1
vote
2answers
49 views

How to summarize the values in a column

I really need some help with an assignment I'm working on... In my vector field I would like to summarize all values in a column, how yo do so? If I right-click in the attribute table it is possible ...
1
vote
1answer
73 views

Arcmap 10 project: Finding best site for a new powerplant

I'm an electrical engineering student taking GIS introductory course as an elective. i have learned the basics of Arcmap 10 like adding data, creating maps, editing shapefiles etc. Now, i'm required ...
1
vote
2answers
234 views

Hypothetical Cost Saving Question: 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
590 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
46 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 ...
4
votes
4answers
249 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?). ...
3
votes
2answers
151 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 ...
1
vote
2answers
2k 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 ...
11
votes
1answer
374 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
423 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
2k 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 ...
10
votes
5answers
2k 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
217 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 ...