2
votes
2answers
909 views

Change overview map postion in map from right to left

I am using OpenLayers 2.12. I have added an OpenLayers OverviewMap control. This overview map tool is located on the right side of the map panel by default. I would like it to be positioned on the ...
0
votes
1answer
159 views

PostGIS import csv encoding problem

I want to import csv into PostGIS database, I receive error massage: alpha=# COPY project FROM '/home/alpha/database/project.csv' DELIMITERS ',' CSV; ERROR: invalid byte sequence for encoding ...
19
votes
2answers
405 views

What do these curly graphics represent on this map?

What do the two curly graphics to the left and right of this map represent? They are the only two on the map and seem to be attached to the border of an area. I'm sorry I haven't posted the full ...
3
votes
1answer
375 views

QGIS Arch Linux compilation error

Just pulled QGIS from git and am trying to compile it, here's the relevant error: [ 89%] Building CXX object python/CMakeFiles/python_module_qgis_core.dir/core/sipcorepart3.cpp.o In file included ...
1
vote
1answer
534 views

Installation question: initdb is missing after install of postgis2 via RPMS on RHEL 6.4

I'm attempting to install postgis2 on RHEL 6.4 by using the instructions postgis.net/install, but after the postgis2 install, neither initdb nor /etc/init.d/postgreql92 is present. The same thing ...
0
votes
1answer
86 views

Error message starting gis.m in GRASS

I finally broke down and bought Neteler and Mitasova's book, Open Source GIS: A GRASS GIS Approach, because I need to learn command-line GRASS. On trying to work through the book's examples, I'm ...
3
votes
1answer
356 views

Is ArcMap's Fixed Zoom In/Out algorithm documented anywhere?

I only occasionally use the Fixed Zoom In/Out buttons on the Tools toolbar of ArcMap and had always assumed that they zoomed in/out by a set scale factor. However, using ArcGIS for Desktop 10.2, I ...
2
votes
1answer
719 views

Mapping Geocoded addresses onto Census shapefiles in R

I have a list of addresses that I have geocoded to get the corresponding longitude and latitude. > AddressDetail <- geocode(match_address) > coordinates(AddressDetail) <- c("lon", "lat") ...
1
vote
1answer
405 views

Creating geotiff in arcgis

I've added a shapefile and a raster image to ArcGIS, the raster image in geotiff format spreading over some of the features. Now, I want to create a buffer (of radius 1 mile) around the features and ...
3
votes
0answers
2k views

Uploading Service Definition Failed

Can anyone give me direction as to possible reasons why when publishing certain map services I get the "Packaging Succeeded but Publishing Failed" error? When I expand the Geoprocessing Results ...
1
vote
1answer
493 views

ogr2ogr: issue with batch clipping shapefiles with converted kml file as clip source

I wrote this script that (running in MSYS) converts a kml to shp and applies a re-projection to it. The resulting shp then has the same SRS as the shps that I want to clip with it. I use a for loop to ...
2
votes
2answers
242 views

How to extract coordinates from a coastline layer?

I have downloaded QGIS and the Natural Earth base maps. I'd like to somehow get a list of coordinates of a selected coastline. I've got the 10m_coastline layer selected to what I want but can't see a ...
4
votes
3answers
139 views

Alternative layperson-friendly names for 'Legend'?

I am making a mobile mapping app that has a button that displays a legend. Because my legend is initially hidden from view, it is really important the text I put in the button that displays the ...
2
votes
1answer
70 views

Multiple Selections from one shapefile

I have two shapfiles, Country and Blocks. I need to run a very basic selection to find out what blocks intersect the country shpe. But, the country shape has 250+ countries and I need to do this for ...
2
votes
1answer
2k views

Spatially join large raster to polygon shapefile

I have a large raster file with elevation data. From this raster, I would like to infer the average ruggedness for different geographic zones (like countries). I have the "countries shapefile" as a ...
1
vote
0answers
213 views

Automating Point Data Collection [closed]

I'm supposed to go through Google Maps and manually record names and addresses of dentists in Texas for geocoding, by zip codes. This task is going to be immensely tedious and I know that there has ...
2
votes
2answers
438 views

Trying to use Python code and user defined inline parameters to build a SQL expression

I am trying to build a tool where the end user can run a model and make a selection from a feature class based on 3 different fields, calculate the total shape length, & export the results to a ...
2
votes
0answers
92 views

Can't connect to WMS service? An Amazon-EC2 problem?

I'm running GeoServer 2.3.5 on a Windows instance in AWS for the first time. The data is on the server in PostGIS. The map layers have been published and I can see them locally without any problems. ...
0
votes
1answer
126 views

Add image from my computer for background in Print Composer?

Add image either by dropdown or icon does not produce any kind of dialog box where I could upload an image. Item properties is checked and showing in the right hand panel, but it's blank (no options ...
2
votes
3answers
3k views

Python script for identifying duplicate records (follow up)

I am trying to calculate a field that marks duplicates and sequentially numbers them. I am using the code below that I found here: Generating sequential numbering for duplicate values in a field ...
9
votes
1answer
3k views

Difference between Heat Map and Hot Spot Analysis?

What is the difference between "Heat Map Analysis" and "Hot Spot Analysis"? Are we perhaps using hot spot analysis to get the required relations between features, and then using the results as an ...
2
votes
1answer
3k views

Request WFS from GeoServer with Jquery AJAX using INTERSECT cql_filter error

I am having difficulty troubleshooting this issue and would appreciate some ideas. Thanks in advance! I am trying to make an AJAX request from a Leaflet map with Jquery to GeoServer to return a WFS ...
1
vote
1answer
258 views

Relational operation in eCognition

Is there anyone who has a experience with relational operation in eCognition. I'd like to ask 2 questions related to eCognition. 1. How can I classify the pixel values between 0.23 and 0.46 as a class ...
2
votes
3answers
337 views

Batch rectifying 200+ historic aerial images?

I have acquired historic aerial imagery for the surrounding towns, circa 1954, and the images have no georeference. I am looking for software to help me batch-rectify the 200+ images. I have current ...
1
vote
1answer
224 views

opening older 9.x Esri .gdb in QGIS?

I want to open an Esri .gdb with QGIS. I have adjusted GDAL and it works fine with an example .gdb provided on another thread on the topic. I still cannot open the .gdb of interest to me and suspect ...
0
votes
1answer
73 views

How to generate raster from vector in QGIS with resolution matching existing raster?

Is there any way to use open source tools (preferably QGIS) to rasterize a vector to create a raster with the same coordinates and resolution as an existing raster? I know that the map size can be ...
0
votes
1answer
175 views

Mapguide and OpenLayers SRS WKT

I am trying to create OpenLayers vector features based on WKT strings that I retrieve from a MapGuide server. I have successfully gotten the proper geometry to be rendered, but I do not know how to ...
1
vote
1answer
306 views

How to link 2 different images in eCognition

I'd like to link 2 different images in eCognition to find the same pixels on both images. The images have same projection (geog lat/long). How can I do this? Thank you so much
0
votes
0answers
165 views

Webmap app using geoserver must have source code open?

We have a Webmap that uses geoserver + geoExt + openLayers. Even though the JavaScript code is not obfuscated or compressed, at the moment we do not intend to have a place were someone can got and ...
0
votes
0answers
226 views

saveStrategy and OpenLayers

I am trying to apply code mainly from here http://maps.peterrobins.co.uk/files/ol6.html and create a custom "saving button". Problem is, that my json is loaded (from mysql db) to variable. (This time ...
1
vote
2answers
522 views

ArcGIS Find and Replace attribute search error

I am editing a vector layer in ArcMap 10.1 in the attribute table the no data value for some of my fields is -1.7976931348623157e+308. I would like to replace that with 0. I attempted to use the Find ...
1
vote
0answers
245 views

Reference to Basemap instance's coordinate system

I use the matplotlib basemap toolkit (mpl_basemap.Basemap) to plot GeoTIFF images on a map background using pcolor() or pcolormesh(). For this purpose, I need to transform a meshgrid of x and y ...
4
votes
2answers
1k views

What are some user-friendly GIS alternatives to Alteryx and ArcGIS?

I'm posting for some inspiration. At my last workplace we used Alteryx extensively for all data analysis, pumping out shapefiles which we'd then symbolise and output maps in ArcGIS. In my new ...
4
votes
3answers
723 views

GeoServer - update test server to production

I have GeoServer (v2.2 from OpenGeo Suite) running on a test server hosting many different WMS services sourcing many different PostGIS db tables. I want to push this setup onto a production server ...
1
vote
0answers
72 views

Recommended way to use a setting file to initialize OpenLayers

I am new to OpenLayers. I am trying to figure out what is the best way to have a configuration file for the map I am creating. For example, I am creating a map with the following style : var ...
2
votes
2answers
878 views

How can I create a vector layer in PyQGIS from a table without geom column?

In QGIS I've got a Spatialite database containing tables without a geometry column. With the QGIS GUI it is perfectly possible to add such a table as a 'Spatialite vector layer'. But how to do this in ...
3
votes
1answer
708 views

QGIS Shapefiles have the same CRS but dont line up. (Census Tiger Data & State Data)

I have the Census Tiger data for Oregon from http://www.census.gov/geo/maps-data/data/tiger-data.html Then the bottom one of 2010 Census Population & Housing Unit Counts — Blocks. The shp ...
1
vote
1answer
2k views

Export all visible layers in map view window to DXF (as one)

I'm looking to find a way of exporting all that is visible in the map view window to a dxf file. That is to say, multiple features from multiple layers, all at once. Can this be done?
7
votes
1answer
371 views

Circular insets in ArcGIS

Looking for a way to add an AutoCad-type circular inset in ArcGIS 10.1. Have tried many different methods but the best we have been able to do is shown here using "insert picture" after various ...
1
vote
1answer
484 views

How to script map production in GRASS?

I'm trying to automate my production of maps with GRASS. What I want to do can be described in fairly generic terms: I have two layers (one vector, one raster), which will be identical in every map. I ...
3
votes
1answer
209 views

How can I make my python script results appear in model builder

I have a model (model builder) and within I added a python script to calculate a field. My problem now is, that I don't know how to make the output appear in my model as it is the same as the input ...
1
vote
0answers
236 views

ogr2gr loading spatial data into mysql

I am trying to load shapefile into mysql (MYISAM) using ogr2ogr and i get an error that says failed to fetch the requested layer. What could be wrong with my statement is it the issue with quotes or ...
5
votes
2answers
156 views

Is there a way to control which ArcMap AddIn is loaded first?

I have a shared DLL that use across multiple ArcMap AddIns. It rarely changes, but recently I've had to modify it and I started getting MissingMethodExceptions whenever I made calls to classes in ...
1
vote
1answer
428 views

Mapinfo problem importing mid/mif

I am trying to import a mid/mif into MapInfo. I follow the usual routine of Table --> Import and select the correct mid/mif. I get the following error: (f:\FILENAME.mif:8) Found [(] while searching ...
2
votes
2answers
2k views

Select layer by attribute using SQL statement LEN() in ArcMap

as the title already suggests... I want to query the length of a string column and thought to use: LEN([ColumnName]) > 5 However, that doesn't work at all. I'm querying a table in a fGDB in ArcMap ...
0
votes
1answer
323 views

Extracting “derived” data [duplicate]

Rookie Question! I have a shapefile in QGIS 1.8.0 of a country with 20000 divisions. I need the area of each division, but this is not a given attribute. When i click on a district, the "Identify ...
0
votes
0answers
26 views

Possible to automate Buffer Wizard in ArcGis 10.x by working in the Shell? [duplicate]

I'm trying to automate the Buffer Wizard since I have several large sets of the data that I need to buffer at multiple distances. Doing it by hand will take a long time and be quite tedious, but I've ...
4
votes
1answer
896 views

Setting up THREDDS catalogs for ocean model data

I've got a bunch of NetCDF files from ocean modeling runs. Some are 3-day forecasts that are run daily, some are hindcast runs where each hindcast is split into multiple files like ...
4
votes
2answers
528 views

How do I snip/split polylines at chainages?

What is the best way to snip/split lines at chainages? E.g I have a csv with the uniq ID of the polyline item and a start and end chainage. I want to extract the lines between the chainages stated. ...
2
votes
0answers
80 views

Edit shapefile using modelbuilder [closed]

I have got the folloving problem: I need to change some of the values of one attribute in my point shapefile. I want to do it in modelbuilder, but I dont know how. I have found a script which can do ...

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