Questions about obtaining data.

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2
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1answer
54 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 ...
1
vote
1answer
79 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 ...
0
votes
0answers
81 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!
10
votes
12answers
1k views

canvec: why so quiet? where are all the users?

It has now been a little over 3 years since Natural Resources Canada released CanVec, a national coast to coast to coast spatial dataset at 1:50,000 or better nominal scale. In the interverning time ...
1
vote
0answers
38 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
78 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
77 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
229 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
277 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 ...
2
votes
0answers
127 views

How to populate ESRI GeoPortal programmatically?

I'm trying to find either some documentation or an example of how to manually populate the GeoPortal metadata datastore. I'm using a MySQL backend. Given a ISO XML file I can manually harvest it but ...
0
votes
2answers
886 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
141 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
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0answers
57 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 ...
0
votes
2answers
61 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 ...
1
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0answers
63 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 ...
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 ...
1
vote
1answer
57 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 ...
2
votes
0answers
64 views

Raster Catalog to Raster Dataset ERROR

I have a problem converting my Raster Catalog to Raster Dataset. I have an error (see below) after 4-5 hours of process - all rasters have ~21Gb. Is there something wrong with data? I will be ...
1
vote
3answers
378 views

Where can I find shapefiles for New Zealand Cities and Suburbs/Neighbourhoods?

I'm trying to find some shapefiles (administrative boundaries) of New Zealand CITIES and SUBURBS/NEIGHBOURHOODS. I've found some boundaries for the Country, Regions, Districts (not useful for me) .. ...
5
votes
2answers
609 views

Postal areas for Germany? - Shape?

does anyone of you know how and where I can download postal area districts of Germany in shape files (download free of charge if possible). best regards desputin
0
votes
1answer
145 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
3answers
37 views

Europe sub-national urban rates

Urban rate (the % of population living in urban areas) is a rather common demographic indicator, at nation-level resolution. I'm trying to locate sub-national urban rate data (NUTS level 2 to be ...
1
vote
1answer
2k views

Exporting .jpg files from data driven pages in Arcmap

I have generated about 90 maps through data driven pages(ArcGIS 10.0). I now want to export them as .jpg files in either landscape or portrait format. I tried python but it is not working, it worked ...
6
votes
2answers
336 views

Looking for a live feed of tides in Australia

I'm looking for a feed of predicted tide heights and times, specifically for NSW, Australia. Tide sites such as the Bureau of Meteorology only provide static images of predicted tide height. NSW ...
3
votes
3answers
188 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 ...
1
vote
0answers
65 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 ...
16
votes
6answers
3k views

Near real-time sources of lightning strike data

I am wondering if anyone has any suggestions on sources of near real-time lightning strike data available for download? For example, Intellicast.com has a map of strikes, but makes no mention of the ...
2
votes
1answer
113 views

How does Google Maps know the location names?

How does Google Maps know the name of the very small shop in my street? How do they collect that kind of data?
1
vote
2answers
106 views

free way to author, share ESRI gis data

I hope someone can help. THE ISSUE: I work for a company where 90% of the personnel work remotely. The GIS department acts as a support tool authoring content for a variety of projects. There is a ...
12
votes
4answers
3k views

Simplifying adjacent polygons

I encountered a problem simplifying set of polygons that are adjacent. If I simplify each polygon separately with the Douglas–Peucker algorithm (which is used by many open source tools), the resulting ...
1
vote
2answers
98 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.
1
vote
0answers
50 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?
17
votes
9answers
2k views

GIS data for fast food industry

I am working a small project related to fast food industry. I am trying find GIS data for fast food chains like subway, MC Donald's, Arby's, etc in state of Ohio. Basically, I am looking for point ...
1
vote
1answer
67 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
2answers
255 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 & ...
0
votes
0answers
45 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 ...
3
votes
1answer
69 views

How to tell the size of grid cells created by the vector grid tool?

Im working with qgis 1.8.0 and Im making a vector grid on a map. Does someone know how big are the squares if the grid settings look like in the picture? Thanks for your time!
2
votes
2answers
258 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
2answers
128 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 ...
1
vote
2answers
869 views

How do I download tracks from the GARMIN GPSMAP 78 usin DNRGarmin?

I have been able to download waypoints to DNRGarmin by accessing the GPX file. However, I have only been able to view waypoints. How can I download tracks?
3
votes
1answer
103 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
72 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
164 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 ...
8
votes
2answers
164 views

spatial and spatiotemporal analyses

I have a dataset that consists of 247 mosquito traps placed in fixed positions and sampled weekly for 23 weeks. I also have dengue disease incidence data (indexed to home address) during the same time ...
2
votes
3answers
1k views

Where can I find Road shapefile/e00/etc for the entire world?

I am hoping that there is a single source for this data, ie. 1 geodatabase. If not, can someone point me towards the sources that would make up the entire world's road transportation network? I have ...
0
votes
1answer
125 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
25 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
88 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?
4
votes
1answer
120 views

How to convert a column of numeric IDs to letters?

I'm working with qgis 1.8.0. I divided a map into 500 features (small rectangles), and now I have the doubt if there is any way to change the ID of the attributes from numbers to letters? When I did ...
0
votes
1answer
84 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 ...