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2answers
61 views

Creating Land Use Change Map in ArcGis 10.2

I need to create a map with multiple dataframes showing the percent change in land use - one each for agriculture, developed, and forest. Percent change has to be labeled on each county and color ...
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1answer
85 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
227 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 = ...
2
votes
1answer
653 views

What is the difference between nominal, categorical, ordinal, interval and ratio measurements?

Given the following examples, which are examples of nominal, categorical, ordinal, interval or ratio measurements? bushels of wheat per county vegetation type average maximum daily temperature ...
0
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1answer
108 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
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2answers
332 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
68 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 ...
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vote
2answers
224 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
575 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
45 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
246 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
354 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
390 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
1k 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
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5answers
1k 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
212 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 ...