Questions about obtaining data.

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2
votes
2answers
101 views

Where can I find cellmast data in the UK?

I am looking for a shapefile containing the locations of cell masts that provide phone coverage in the UK. On sites like Orange, O2 etc they have an interactive signal checker ...
2
votes
4answers
130 views

What GIS-related services have been affected by the U.S. government shutdown? [closed]

I noticed data.gov, the US government's open data (including GIS) clearinghouse, was down, reading the following message: Due to the lapse in federal government funding, this website is not ...
2
votes
0answers
86 views

AIS Data Transformed or CVS Format

I am looking for AIS Shipping Route Data. I have not had much luck finding it in either SHP format or even in CVS format does anyone have a real good source of finding this type of data? To add to my ...
7
votes
4answers
238 views

Automatic matching of two street networks

I'm faced with the problem of matching two street networks. I have these two differently sourced networks. The links in each network can be segmented, i.e. there is not necessarily a single whole link ...
4
votes
5answers
325 views

Where can i find Latitude & Longitude data for the coastlines of the world?

Im developing an application to print flight paths on a world map. To do this i need a dataset to describe the latitude and longitude of various coastlines (and country borders if possible) of the ...
1
vote
2answers
261 views

Adding MS Access Table as X,Y Points using QGIS? [duplicate]

Can you add an MS Access table as X,Y points in the same way you can Add X,Y data in ArcMap using: File --> Add Data --> Add X,Y Data Thanks, Mike
1
vote
1answer
250 views

How to open .bds file in qgis

I have a Land Registry boundary file which is in .bds (Base Dataset) format, a native file format in Cadcorp SIS. I want to open this file in QGIS. Is it possible, or do I have to do any conversions?
2
votes
1answer
227 views

I need some more information on ASTER for time series analysis

See my previous post on ASTER I have a question about that I am not sure about. So, if I wanted to analyze 10 years or so, do I need to download each ASTER file for each year (e.g. 2003 ASTER, 2004 ...
0
votes
2answers
469 views

How to extract subdataset from HDF raster?

I am trying to extract a subdataset from HDF raster. Later on, I intend to make operations such as mosaicking and extracting raster averages from the extracted subdataset. The following code is ...
0
votes
0answers
94 views

Weather interpolations QGIS

does any one know how good are the weather interpolations that QGIS carries out? Do you have any other suggestions or better methods to do them? Please let me know. Thanks in advance!
1
vote
1answer
92 views

Raster Dataset projection problem

I have a problem connected with my Raster Dataset projection. Two of its bands cannot be shown in some scale - only under 1:1500, when I use 'Zoom to raster resolution' option. Histograms for all 3 ...
1
vote
0answers
51 views

Extrapolate data and district names from map

My data: soil samples in each district. My question: I want to extrapolate from the soil sample's map the names of the districts in which the samples have been collected. I have already found the ...
0
votes
1answer
84 views

Sources for Geo-referenced data for Tiger populations in India or other countries

I'm currently an Undergrad student in a GIS class, and I'm trying to conduct some research on tiger populations and urbanization. Does anyone know where I might be able to find data for tiger ...
1
vote
0answers
91 views

Where can I find geodata on livestock densities?

I am currently looking for geodata that represents livestocks (cattle, pig, poultry) at most detailed resolution for France. Up to now, the best data I was able to find is the FAO's GLOBAL LIVESTOCK ...
1
vote
1answer
377 views

How to access row from dbf table?

I have got the following problem: I would like to access a row from a dbf table. I have tried to access it through SearchCursor, but I am not able to do it without knowing the field name. This is my ...
3
votes
3answers
301 views

Where to obtain free 15m ASTER image for New Mexico?

I am looking for a free Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image that will let me to perform NDVI for the pilot crop health/soil moisture that can go as far back ...
1
vote
2answers
2k views

Reading National Elevation Dataset (ArcGrid/GridFloat/IMG) with python only tools

I've found high precision elevation (1/3 - 1/9 arcsecond resolution) data from the National Elevation Dataset provided by the USGS. It comes int IMG, Arcgrid, and GridFloat formats. I know ArcGrid ...
3
votes
1answer
187 views

How does a newbie get household income data based on address to the block level?

I am beginning a research project and need to find a way to access the census data about household income. We need it at a closer level than by zip code since income varies a lot by zip code in our ...
1
vote
0answers
71 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 ...
1
vote
0answers
64 views

Looking for maps with high complexity

For an presentation I need an example of a map which contains very much information. The map should : respect basic cartographic principles. contain as much quantitive and/or qualitive information ...
3
votes
1answer
146 views

Why does ArcGIS map document (MXD) appear empty of data?

A colleague created a map for me using ArcGIS for Desktop and emailed it to me in another state. I was able to open the document using ArcGIS for Desktop but no map appears, why? She also sent it to ...
0
votes
2answers
68 views

Scalar relationships ArcGIS

I have point data which has a number of fields/columns, each of which is at a different scale. I'm looking to find a way of constructing a very simple index which would combine this data. Say I have 3 ...
0
votes
0answers
17 views

World population count [duplicate]

I want to make a website where I want to display the world population. Something similar to this: http://www.worldometers.info/world-population/#sources Where do I get the data which I can use in ...
3
votes
1answer
258 views

Delete single raster from Raster Dataset

Is there any possibility to delete single raster previously loaded to a Raster Dataset?
1
vote
1answer
67 views

How can I find a GIS shape file for GP surgery locations in the UK

I am doing some research on accessibility to GP surgeries in South Norfolk and want to find a GIS data file with all the GP surgeries' locations on it that could be used in ArcMap. Is there anywhere ...
0
votes
1answer
201 views

Offsetting Points by location

Sorry If you've read this before - I've tried to change the content so that it reflects what I need a little better. This question was marked as a duplicate although I read the the answer to the other ...
1
vote
0answers
80 views

How to get National Geographic basemap in QGIS?

I'm proficient in ESRI's products and recently started using QGIS. I've used the national geographic world map (NatGeo_World_Map) in ArcMap, but am struggling to replicate this in QGIS. The map is ...
3
votes
3answers
252 views

What DEMs does QGIS support? + DEM data sample

I am working on QGIS rasters. I want to know about DEM file formats supported by QGIS. I know that QGIS can read the GDAL supported formats. but what is GDAL supported format ? Does QGIS support the ...
3
votes
1answer
88 views

Best place to download or purchase shapefiles for Louisiana Parish?

I am looking for shapefiles to either download or purchase for the BEAUREGARD Parish in Louisiana. I have been able to find files for the Townships and Sections but I am in desperate need of a ...
3
votes
2answers
354 views

Where can I get detailed Bathymetry data for Ontario

I need detailed Bathymetric data covering water bodies (including smaller ones) in the Province of Ontario. Our Provincial Government has it, but the use of the data are restricted due to liability ...
1
vote
2answers
132 views

Is it possible to change CRS without the .prj file?

I'm working with QGIS and trying to change the CRS of some maps. Is is possible to do it without the .prj file? Please let me know. Thanks.
0
votes
1answer
96 views

How to delete raster dataset from sde base programmatically

I use sde database, registered with ArcGis Server 10.1. Sde connection is direct. Database container is postgres. There is a raster dataset in this sde base. I can open this sde database ...
2
votes
5answers
175 views

Where can I get high-resolution (at least 1 foot) imagery of California?

Is there a national site or state site that will allow me to download High Res (1') aerial imagery of California? I have tried Cal-Atlas Download but they are at one meter. I have also tried USGS ...
3
votes
2answers
91 views

Is there a database/service that allows me to get the terrain type to a coordinate?

I hope i'm not totally wrong with this kind of question at this stackexchange page. Is there any sort of service avaiable that gives me (or allows me somehow to generate) the areatype to a coordinate? ...
1
vote
0answers
61 views

How to rotate u and v components of wind in rotated gribs?

I have a grib message of a rotated hirlam product. The gribmessage states, that the u and v component contained are relative to the rotated grid. How can I unrotate them?
0
votes
2answers
325 views

A shapefile / boundary coordinates for Bangladesh divisions

Are there any shapefiles on the boundary coordinates for each of the Bangladesh administration divisions? Essentially what I want to achieve is to have the minimum and maximum of the longitudes & ...
1
vote
4answers
990 views

Area Boundaries, London

Hope someone can help me with this. I'm having a little trouble finding a data set which has polygons of London districts as listed here: http://en.wikipedia.org/wiki/London_districts I've checked ...
1
vote
1answer
70 views

Conversion of coordinates of “Bochum coordinate system”

I need to convert historic coordinate data into more recent Gauß-Krueger data. Specifically, I need to convert "Bochum coordinates" used till 1960 in the local coal mines into DHDN/Gauß-Krüger zone 2 ...
0
votes
0answers
49 views

What reliable sources (paid or free) exist for fossil fuel infrastructure data?

I am trying to find GIS data for various types of petroleum and natural gas infrastructure (pipelines, refineries, gathering lines, pump stations, etc). I've found quite a few sources, mostly ...
2
votes
2answers
157 views

Japan Data: Postcode/Census

Hi I'm primarily looking for a GIS data source for postal codes in Japan as well as census data for different scales of geography. Has anyone found a good source of these data sets that is in ...
3
votes
1answer
120 views

Where can I get road data that includes max speed?

Does anyone know how to detect the road speed I. E. If one of our vehicles was driving on a certain road above the speed limit, we would want to know But no idea where to get this data from Any ...
0
votes
0answers
83 views

How to convert a set of points to a polygon based on a specific field in QGIS

I am having a point shapefile that consists of a number of point sets. I need to convert these points to a polygon based on a particular field in attribute table say for example locality . How can i ...
0
votes
1answer
227 views

Export table structure information to Excel QGIS or MapInfo

I want to create a data dictionary of the tables of our primary layers. So I want a way to export the table structure to Excel. I don't need the actual data, I just want to know what columns are in ...
2
votes
2answers
280 views

Ecuador Census Data

I am looking for Ecuador census data (digital GIS if possible) at the sub-parroquia (parish) level. The geographies and the tabular data would be great but at this point I am mostly in need of the ...
2
votes
1answer
68 views

Why does IDatasetContainer2.CreateDataset fail with ArcObjects at ArcGIS 10.1?

I have a small application used to check and generate network, created with the help of the following tutorial: http://help.arcgis.com/en/sdk/10.0/a...00000w7000000/ It worked just fine with ArcGIS ...
0
votes
1answer
165 views

Custom data entry in ArcGIS 10

Since VBA support is no longer supported in ArcGIS 10, what is being used out there for custom data entry forms. I'd like to develop something that is very intuitive (for non-GIS users).
0
votes
0answers
31 views

Order of ID numbers of map features

Im working with QGIS 1.8.0. I divided a map into several features and wanted to know if there is a way to have the individual ID numbers for each feature in an increasing order? (equally spaced ...
1
vote
1answer
122 views

How to sum the values for bins with the same location?

I have two maps in csv form, each has a latitude, longitude, and value column. Since not all the positions in one map are in another map, is there any way in QGIS to display a new map which only shows ...
0
votes
1answer
96 views

Draw lines for existing list of data

I have a csv file containing information for loads of lines (dates, road names, condition information, etc etc) but which have no geographical information (other than the association of road name) Is ...
1
vote
1answer
100 views

Export some specific pages from data driven pages to pdf file by python

I need to export pages 14, 13, 23 and 24 of 26 pages of data driven pages to pdf file by python and then add the pdf file to the final pdf file by arcpy (python), any help please?