Tagged Questions

This tag indicates questions about obtaining data

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4
votes
0answers
89 views

Touristic poi-data (api or dump) with popularity measure

I'm looking for freely available touristic (hotel, restaurants, bars, attractions, etc.) poi-data that have some measure of popularity. With popularity I mean, explicit popularity like on ...
3
votes
0answers
78 views

How to merge SeaWiFS and MODIS data or use other merged products?

I hope to produce a time-series for sea surface temperature (SST) and chlorophyll-a (Chl-a) for use in MaxEnt without the use of arcgis, preferring Python tools to others. I am new to satellite data ...
3
votes
0answers
400 views

How to load data programmatically from shapefile into feature class (geodatabase)?

Can some Genuis here help me programmatically (using python and comtypes) load shapefile data in to an existing geodatabase (feature class). The attributes of the shapefile has to match with the ...
3
votes
0answers
64 views

Determine the Degree of Data Lossiness when Converting Data

I'm working through some of the ESRI tutorials on Data Interoperability and it briefly mentions the issue of data conversion being a lossy process. Some questions that come to mind are: What is ...
2
votes
0answers
38 views

Best source for high-resolution satellite images free/low-cost?

I am doing a household survey in Kenya, and I need to ensure that my survey team visits every house within a given area. I've been going to google maps and right-clicking on roofs to get coordinates ...
2
votes
0answers
72 views

Geospatial Tools for SketchUp

I was wondering if anyone knows of geospatial tools that work in SketchUp? I know if GeoSketch, which allows a user to import ortho imagery, DEMs, shapefiles and GPS enabled photographs into SketchUp ...
2
votes
0answers
61 views

Custom python datasource to QGIS

I'm working on a homebrew spatial feature data format, and using Python to write it's API. It occoured to me that use some tool like QGIS to display my data would be very nice to have, for debug/test ...
2
votes
0answers
53 views

Advice on colour balancing a SPOT5 ArcGIS Mosaic Dataset

All, I'm working on a project using satellite imagery of a large braided river. I've been provide lots of SPOT5 images (that overlap). I've created a geodatabase, created a mosaic dataset, added the ...
2
votes
0answers
94 views

Where can I download free or open access census datasets for China, including their respective spatial boundaries?

I am interested in the equivalent of US Census Bureau open data and its relevant Tigerline spatial data, albeit for China. In Canada, we also have data released by Statistics Canada along with ...
2
votes
0answers
233 views

Are there any shapefile-based GPS data recorders?

I am looking for a data recorder that can be programmed to send a serial data request to a field computer and then accept and record an incoming data string and tie it to GPS location and then save ...
2
votes
0answers
95 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 ...
2
votes
0answers
110 views

How does integrate work with point data sets?

I'm trying to combine point data into clusters and I think I've come up with a method that will work for what I want to accomplish. However, I don't understand why it works the way it does and I'm ...
2
votes
0answers
125 views

Question on QA/QC error list

As I am working on reviewing my soils spatial data, and I am doing my QA/QC I placed a point layer to check for errors. I add the field column to mark the error and state the error. I recently ...
2
votes
0answers
244 views

Creating a sidewalk map for a walkability survey

If I wanted to do my own walkability survey of my city, what tools could I use? I have map data from OpenStreetMap, but I have to consider that streets have two sides (which aren't always accessible ...
1
vote
0answers
62 views

Natural Earth: How to get the position of all provinces that belong to a state

This question is about Natural earth 1:10 states and provinces.shp file. I'm using ogr2ogr and want to know the name of the id i need to pass . In purpose of pulling out the right states regions. ...
1
vote
0answers
83 views

Heat Map trouble: Is this a data formating problem?

I'm playing with the heat map plugin with QGIS. I've run through QGIS tutorial: http://docs.qgis.org/html/en/docs/user_manual/plugins/plugins_heatmap.html, using the airports data set as explained ...
1
vote
0answers
16 views

Difference Between GLC2000 Versions

What are the differences between the various versions (1 through 5) of the Global Land Cover (GLC) 2000 product? I am going to use northern North America, Europe and Asia (north of 50°N). Is it ...
1
vote
0answers
109 views

Describing weather data in ArcMap area solar radiation analysis

I am writing up the methodology of the analysis I did on solar radiation availability for a city. I used the tool 'area solar radiation' with ArcMap 10, using the time configuration ...
1
vote
0answers
74 views

Programmatically download NED tiles?

I used to download 1/3 arcsecond elevation geotiffs from extract.cr.usgs.gov using web services. But a few days ago, that stopped working, probably because USGS reorganized their site. I tried ...
1
vote
0answers
101 views

Data source for 3D buildings (germany)

I'm searching for a data base or webservice, that provides buildings at a level of detail (LOD) of cuboid (length,width,height) or roof, corners, etc or better. The area should cover germany. ...
1
vote
0answers
311 views

Importing GPS coordinates correctly

I am importing a gsx set of waypoints with lat/lon taken in degrees, minutes, and thousandths of a minute. When they are added to my project, the waypoints are not showing up correctly - the ...
1
vote
0answers
65 views

IFSAR bad stripping in some spotting areas

I have a co-worker that was working on do some analysis on IFSAR and he clips them to quads. He said that there are 6 quads that came up bad stripping. Is there a way around to clean it up the bad ...
1
vote
0answers
883 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 ...
1
vote
0answers
77 views

Looking For Free Global Bedrock Geology Data

I've searched around for a freely available global bedrock geology data set, but I have yet to find one. Anyone come across such dataset?
1
vote
0answers
37 views

Level of data available on FactFinder

I am trying to find data at the block level or even block group level for the SF1 files and ACS 2010 or 2009. Just recently, two months ago, I was able to get this data but for some reason I am now ...
1
vote
0answers
76 views

How to maintain schema when copying feature from layer 1 to layer 2, where both layers have same schema?

If I load two unique layers, wherein each layer contains unique data, but both layers share the exact same schema, why is it when I copy a feature from layer 1, and paste it into layer 2, the ...
1
vote
0answers
46 views

Process to load elevation data into Oracle 11G

We have the National Elevation data set from USGS and considering loading it into Oracle (11G) database. Can someone help with the process/steps?
1
vote
0answers
173 views

Open Network Dataset with ArcObjects SDK 10.0 .NET

I develop desktop standalone application and use this code to open Network Dataset, but it fails with HRESULT on datasetContainer3.get_DatasetByName(). public static ...
1
vote
0answers
259 views

Administrative level and coordinates from Yahoo GeoPlanet WOEID

The Yahoo GeoPlanet data can be freely downloaded from: http://developer.yahoo.com/geo/geoplanet/data/. If I understand it correctly, each WOEID corresponds to a unique location on earth, with ...
0
votes
0answers
20 views

NYC Building Perimeter Shapefile after 2011

I've been using the following NYC building perimeter shapefile from the DOTT for some work. This file however dates back to 2010. Is there a newer one available, and if so where? I have found this ...
0
votes
0answers
17 views

severe thunderstorms warnings dataset for europe

I'm looking at the possibility of using georef data on historic thunderstorms alerts. Does anyone know of a good (free ) source for this information? Thanks in advance
0
votes
0answers
25 views

Where can I buy detailed (ideally 1:2000 or up to 1:10,000) maps of Russia?

I have a project in the Caucasus region and I'm having bureaucratic difficulties getting a decent map for it. I wonder what is in the public domain?
0
votes
0answers
25 views

merging and seperating data

I have a census block shapefile and I want to separate the data according to their towns or village. The towns/village is a separate shapefile. Any help is greatly appreciated. I am using ARCingo ...
0
votes
0answers
28 views

Where can I find annual temperature & relative humidity data of every town in India?

Need the historical data of temperature & relative humidity of a place called Bhiwadi in Rajasthan state of India
0
votes
0answers
31 views

Which map provider offers information about restriction maneuvers for Venezuela?

I need to add turn restriction to my application. However, my map provider (Navteq) don't have this one for Venezuela and other countries.What other map provider could have this information?
0
votes
0answers
39 views

Where to find Data with site that have hazardous, toxic or radioactive substances?

Does anybody know where to find data that lists the location of sites that have hazardous, toxic or radioactive substances? I'm working on a HUD project and need to be able to find out if sites for ...
0
votes
0answers
27 views

Where do I find intra-city zone shapes?

We're building a project that lets you visualise data about zones within cities such crime rates and wealth. So for example in London you could compare the various boroughs. For this, I need to bulk ...
0
votes
0answers
27 views

Where can I get polygons for the Municipalities of Puerto Rico?

I'd like to find GeoJSON files to draw the polygons of municipalities of Puerto Rico. It might be nice get the Nokia Map (or any reasonable publicly available map) of the same regions and overlay ...
0
votes
0answers
28 views

Label datasets with LineString positions

Since good automatic label placement is such a difficult (and potentially subjective) problem, are there any public datasets containing manually-positioned feature labels? I'm primarily interested in ...
0
votes
0answers
49 views

Does anyone know of Electric Company Boundary Shape files that are out there for Free?

Ohio has a great website for their Electric Service Commission and I am looking for a shape file or data that would get me the service boundaries of electric companies for other states. EIA has data ...
0
votes
0answers
25 views

RARE II Roadless Data

I am looking for data showing RARE II Roadless Areas on USFS Lands. RARE II was an early inventory of Roadless areas that was completed in the late 70s. This dataset is different than areas that are ...
0
votes
0answers
67 views

Where can I find spatial data on Runoff Data and peak discharge data of Asia/India?

I am looking for GIS Runoff data of asia/India region in m3/sec for analysis in ArcGIS 10.0. Is there any data set/database where I can download this? I tried but unsuccessful in getting data. ...
0
votes
0answers
94 views

Where can one find GIS shapefiles for all of California's municipal jurisdictions (cities, counties, special districts, JPA, CFDs, etc.)?Edit

Cities and counties are easy but I've been digging a while for the other information and haven't had any luck. Particularly interested in water districts and some of the more major JPAs -- for ...
0
votes
0answers
53 views

Trouble with making shapefile from xls file

Each time I attempt to import some species data from an xls file to be plotted onto a map, the program becomes very slow and eventually becomes unresponsive. My dataset originally included 15000 ...
0
votes
0answers
43 views

NAD in a .ORT file type

Hi I have got hold of a "NAD" (supposedly) in an .ORT format. It is basically a text file with X,y,height fields... What do I need to do to get this file into QGIS to see the NAD? Thanks
0
votes
0answers
32 views

consolidating of all the census data for the state of Florida from the below listed US Census website

I have a potential project to utilize census data within a GIS and the hard part appears to be the consolidating of all the census data for the state of Florida from the below listed US Census ...
0
votes
0answers
79 views

Where can I purchase Points of Interest? (USA)

I have thousands of POIs with addresses and they are geocoded. The lat longs are on the road. I have Tele Atlas POI data, but it also shows the locations closer to the road. Is there any ...
0
votes
0answers
81 views

Technical questions about GIS

Got a question about some GIS. I'm doing an investigation about the GIS that are used in my country. For doing this, I divided my questions into functional and technical questions. For the technical ...
0
votes
0answers
37 views

problems styling numerical data

I'm trying to make a standard choropleth map using numerical data. The base layer is a shapefile and it is joined to a csv file. There is also a csvt file to make the formats align. When I go into ...
0
votes
0answers
168 views

Power line and/or power station vector (shapefile) data in Turkey

Looking for transmission power line / power station vector (shapefile) data in the country of Turkey. KML/KMZ files would also work. Found great vector data here yesterday for roads, rivers, etc: ...

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