I am looking for a way to extract built in property boundary data from the Google API to know where to highlight areas for information needs.
It's easy enough drawing a polygon, but I want to know where to draw it in a more automated fashion. Perhaps similar to Geocoding for extracting an address location, except the geocoder only provides a central coordinate and a bounding box (for screen navigation) unfortunately.
Does Google provide this property data in some form?
Thanks
Having looked through the Maps APIs fairly extensively and no one suggesting otherwise. I think it's pretty conclusive Google Maps does not provide property boundaries.
The best way to go is to look for a service that does have the data to integrate into Maps, but likely costs money.
As an example these may be:
Your local government's land services
RPData.com - http://www.rpdata.com/residential_property_information/residential_property_information.html
ReportAllUSA.com (if you are American) - http://reportallusa.com/
None of these are guaranteed, looking into them myself, but may also be different from person to person depending on costs. If I find a free one, I'll give a shout.
For anyone looking to implement this on Australian Region.
State & Local councils have open data free for usage.
I am working with Brisbane, QLD Australia:
For Brisbane: https://www.data.brisbane.qld.gov.au/data/dataset?q=parcel
For QLD: https://www.data.qld.gov.au/dataset?q=parcel
P.S parcel dataset contains information about individual Property Listings. It does have a learning curve & takes sometime to use open data.
Related
Hi all I'm a newbie in data-visualization. I am looking for a graphics library in JavaScript that supports data-visualization at an city level, I have found some (like D3js) but all seem to only support the creation of data at a country level and not city level (like the scale of Google map city zoom's level).
Maplace would be a great library but I am looking for something closer to common JS.
Would be great if anyone's got a hint, thanks!
If you mean BY "In-city" like geo-visualization there are plenty of options:
Cesium.js
Three.js
Leaflet.js
d3.js
raphael.js
try to search more on google but those are commonly used combinedly or individually.
A good data visualization means a good story telling
I am building a website that allows users to find locations and areas around the world based on data other users will be allowed to submit. I have a database containing all of the location data, latitudes and longitudes.
I have implemented the Google Maps Javascript API, as well as the Static API for simple things in the website. What I would like to do is allow users to view all of the database's map points on a world map for the user to drag and zoom to the different areas to view and select a pin for more information about that location.
There is an example on Google's site that shows how to do something like this here. But what if I'd like to hide this data from the client, rather than passing to them an entire XML file with all locations?
I supposed what I would like to do is make it more difficult for someone to intercept all of the coordinates and save them to their computer. This might be a subjective question because of my novice understanding of this and I understand it is probably a trade-off type situation.
So basically, you don't want to make it easy for someone to take all your data at once?
A fairly straight-forward strategy for this would be to provide search and filter controls that interact with discrete apis (ajax services). You could have an API that provides summary data about how many points are in one area and provide guided search constraints to let the user drill down further.
You could then only return concrete data points once the user gets to a specific level of depth.
Does that help?
This may be very obvious to others but I am struggling with how to achieve this and can't seem to find it in the docs or using Google, this may be down to a badly worded query.
What I am trying to do is create a Route on a map and track my progress on it as I navigate and like the navigate function in google maps send a notification of the turn when within a x number of meters, similar to voice in google maps but I just want to get the text.
Is this possible with the Javascript API v3 out of the box? If so can someone point me to the relevant documentation or tutorials
if not out of the box, can someone suggest a design pattern or some pseudo code to do this.
What I am trying to do at the moment is.
Get my routes in Steps ( gps & text )
Get the next Step ( gps & text )
When current location is within 10m notify
when current location is past notify to update to next step & repeat
This feels like I am oversimplifying it and I am also struggling with how to correctly get the distance to next step. I know I can get the distance between 2 coordinates but is the a more accurate way to do so as to avoid getting an "as the crow fly's" distance?
I am trying to do this with Google maps api v3 in an Ionic AP using the Cordova GeoLocation plugin
Again Apologies if this is obvious to anyone else but I am struggling to find any relevant examples. If for some reason this is not easily done with google maps I am open to other open source or free frameworks that I can access via javascript
There is no out of the box solution. You would have to use both the Maps API and the Directions API. Directions returns routes in legs so you can use that to determine each step and get the user's location via Geolocation.
However, this might be against Terms of Service
No Navigation, Autonomous Vehicle Control, or Enterprise
Applications. You must not use the Service or Content with any
products, systems, or applications for or in connection with any of
the following:
(i) real-time navigation or route guidance, including but not limited
to turn-by-turn route guidance that is synchronized to the position of
a user's sensor-enabled device.
Please before you vote this down consider the question as I have not been able to conceptualize a better way or place to ask it:
I have experimented adequately with google maps to understand the overall structure. Making requests, creating custom flags, etc. It is all quite easy and very similar the jCharts library.
Now, google obviously has something that is not available: a map from a certain date in the past. I do not need a full day by day iteration, but even every 6 months or so would be huge.
Is this possible? Has anyone else experimented with this?
Is the only option to save results locally and reinvent the google maps wheel?
Thank you very much
Google Earth has this functionality: http://www.google.com/earth/explore/showcase/historical.html
Travel back in time with Historical Imagery in Google Earth. View your neighborhood, home town, and other familiar places to see how they have changed over time.
As for Google maps:
A discussion suggesting the use of older URLs to obtain the old satellite images.
This example supposedly pulls older images if they're available. Doesn't work that well for me.
This search on the Google groups might help but I see numerous posts about it not being officially available.
There is no official service. These posts hint at ways to go back a
short while, under some circumstances.
http://groups.google.com/group/google-maps-api/search?group=google-maps-api&q=old+satellite
Note the comments about seeing if it is within the terms - probably
not - and the risk of getting (temporarily) blocked.
I'm trying to set a border around some districts in the UK, similar to how Google do it on here : http://g.co/maps/wbtj3
Does Google release the latitude and longitude data for districts? I cannot see anything in the API which will allow me to search for a district and get the data for it to display on the map.
Is there an easy way to "extract" the latitude and longitude data for a district for use in an polygon?
It seems that American data is easier to find (http://econym.org.uk/gmap/states.xml) or am I not looking hard enough?
Appreciate any advice :).
Edit: I believe it's pretty new as I can't find much info about it "highlighted search results" - http://googlemapsmania.blogspot.com/2012/01/highlighted-search-results-in-google.html
OpenStreetMap has boundary data for English Counties which are free to use and available in multiple formats.
As far as I know, Google does not provide any underlying map data via an API.
Getting co-ordinates for a polygon would require GIS files and a GIS software like MapInfo to read.
My advice would be visit this site;
http://bbs.keyhole.com/ubb/ubbthreads.php?ubb=showthreaded&Number=332073
Download the KML file which has the district boundaries of UK counties and then use it in either google earth or fusion tables.
Finding out what your using these for may help get a better answer...
I think you'd have to figure out the polygon coordinates yourself. If it was only for a few districts, maybe not such an onerous task. But if it's for the whole of the UK... Here's a website that will quickly give you coordinates as you draw polygons:
http://www.birdtheme.org/useful/v3tool.html
afaik google doesn't offer such service in his APIs. But you could download you file of interest here: http://www.gadm.org/country
if you grab it as kml, you could easily import it into Google-Maps.
Just came across this thread - you may have solved the problem a long time ago, but this may be useful:
http://mapit.mysociety.org/