Questions tagged [china]

Use this tag for Questions which are specific to the country of China

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Using Baidu Map tiles in QGIS?

I am currently studying the Chinese city of Shenhzen and would like to use Baidu map tiles in QGIS. I tried using this XYZ url: http://online1.map.bdimg.com/onlinelabel/?qt=tile&x=%7Bx%7D&y=%...
Ronan's user avatar
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1 vote
1 answer
53 views

autonavi / amap xyz tile layer appears shifted in OpenLayers (Chinese Web Mercator with GCJ-02 datum)

I am trying to add an xyz source tile layer to OpenLayers v8.1. The source URI for the tiles is the Chinese autonavi / amap provider. http://webrd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=...
Dennis Bauszus's user avatar
0 votes
2 answers
82 views

Converting DXF format using Beijing 1954 datum to WGS84 [closed]

I have a file in DXF format. I am trying to convert this format to shapefile, but CRS does not match. The information I have is that the Coordination System is in DXF format and has UTM-based ...
Teddy Sosan Yun's user avatar
1 vote
0 answers
39 views

Getting longitudes & latitudes from Chinese GPS location codes

I received a request about getting the longitudes & latitudes from Chinese GPS location codes, which I had no idea about, and they do not look like something convertible with those online GPS ...
igotoschbybus's user avatar
0 votes
0 answers
123 views

Map of Spratley and Scarborough Shoal EEZs

I have scoured the internet looking for a map of the South China Sea that shows the disputed Spratly Islands and Scarborough Shoal along with the EEZ (200 nm) associated with them. In other words, one ...
Abcderia's user avatar
1 vote
0 answers
144 views

How can I create maps in ArcGIS with a Baidu basemap?

I am working on a project mapping select China cities with some automotive related data. The client has requested we show Baidu as the basemap since it is more up-to-date than the OSM basemap we have ...
JJ18's user avatar
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-1 votes
1 answer
436 views

Seeking TopoJSON map of Chinese provinces which includes Hong Kong, Macau and Taiwan?

I have a TopoJSON map of China which is working well in d3.js. However, it is essential that I add Hong Kong, Macau/Macao and Taiwan to the map, but they are not included in the TopoJSON file. I have ...
Flounderer's user avatar
-1 votes
1 answer
81 views

Seeking shapefiles of buildings in Qingdao, China? [closed]

We are starting a new esearch project in China and I've been looking for a while and the closest thing I can find is buildings of Beijing. But I need Qingdao not Beijing. It seems like I will have to ...
Zurn's user avatar
  • 1
31 votes
3 answers
1k views

Map material from China not allowed to leave that country

I just read an article about a company in Germany which tests autonomous driving cars in different countries. They state that they analyze all of the generated data in Germany - with one exception: ...
TimSch's user avatar
  • 411
6 votes
1 answer
1k views

Using Baidu tiles in QGIS

I study Chinese cities a lot and would like to use Baidu map tiles in QGIS. Can anyone advise me on how to go about this? I haven’t been able to find any advice on achieving this on the web.
SHAW's user avatar
  • 81
11 votes
1 answer
552 views

Creating symbol for "Great Wall of China" in QGIS

I wanted to create a symbol like this (see screenshots below(first and second: white circle)), the shape of these symbols are different, some of them are a straight line, some of them are curved. How ...
ndr's user avatar
  • 497
0 votes
1 answer
221 views

Conversion of elevation from Wusong Datum to Chinese 1985 National Datum to WGS84

I want to combine/compare raster data from a digital elevation model (EarthEnv-DEM90) with surface water level data from China. Unfortunately the water level data is given in a vertical Datum with ...
MaPo's user avatar
  • 21
2 votes
0 answers
48 views

How to tag address in China

In China address is usually like: No.few homes, building number, which unit or: No.23,Unit 2,Bldg.1 47th Yard, Fengchan Road Jinshui District Does OSM support this operation?
Susu's user avatar
  • 31
2 votes
1 answer
1k views

Which projected coordinate system for whole China?

I want to project data of China. I'm not concerned with trying to preserve areal or directional relationships but preserving distances would be nice. Does such a coordinate system exist?
Funkwecker's user avatar
2 votes
1 answer
2k views

Are there EPSG codes for solving China GPS shift problem?

I am currently using PyProj for a project, and would like to transform from WGS-84 (or other systems) to the China-specific datums for writing into kml files. I have seen other packages specifically ...
kingledion's user avatar
2 votes
1 answer
642 views

Postal codes of China

Where can I find geodata with postal codes of China with an open license (commercial use is allowed)?
T.Ilyina's user avatar
2 votes
1 answer
142 views

Retrieve traditional Chinese entries from OpenStreetMap

I want to retrieve both simplified and traditional Chinese entries from OpenStreetMap. E.g. <node id="244082315" lat="43.558611" lon="126.228611" version="5" timestamp="2014-01-21T10:07:18Z" ...
Hari's user avatar
  • 21
0 votes
1 answer
2k views

Obtain free DEM data of South China

Is there any free source of Digital elevation model of China with the resolution of 30 meters or better and vertical accuracy of +-5m. Something along those lines
Angus Nutman's user avatar
0 votes
1 answer
466 views

where can I get land use data for Beijing [closed]

Iam looking for land use data for Beijing of 1985 and 2010
favour's user avatar
  • 53
1 vote
1 answer
536 views

Polyconic Projection for China?

I have a set of locations/points and I am trying to compute the nearest distance of these points from a Polyline. The points and the polyline lie in China and the Geographic Coordinate System is WGS ...
user52932's user avatar
  • 315
0 votes
0 answers
349 views

Is it possible to put a raster layer on a shifted Chinese basemap using leaflet API?

Recently, we want to develop an application with leafleat and gaode basemap because some features of these products fullfill our basic needs. We want to overlay some raster layers caculated by spatial ...
seifer_08ms's user avatar
5 votes
1 answer
2k views

How to convert Chinese Beijing 1954 coordinates to WGS84

I have a series of coordinates for locations in Sichuan Province China that I need to convert so that I can use them in Google Earth. The coordinates are "1954 Beijing coordinates system" and show up ...
Marcus Bamford's user avatar
25 votes
3 answers
20k views

What causes the GPS offset/shift in China?

I've spent close to two full days trying to understand the nature of the infamous GPS shift in China. After sifting through the noise, two recurring symptoms are that: GPS coordinates (WGS-84) plot ...
Dan Dascalescu's user avatar
1 vote
2 answers
2k views

Why does my phone's GPS suffer from "urban canyon" problems in Beijing but not New York?

In a separate question on Travel.SE I asked why my phone's GPS didn't seem to work in Beijing, China. Turns out that it was simply an "urban canyon" problem, and that the GPS did in fact work when I ...
Matthew Herbst's user avatar
1 vote
1 answer
1k views

Baidu Maps SRID?

I am making an App which will make use of Baidu maps for geofencing and other features (as the app will be released in mainland China) I am using GeoDjango, with Postgresql / PostGIS / Proj4 etc.. ...
RaggaMuffin-420's user avatar
0 votes
1 answer
283 views

Colorise China Provinces using CartoDB?

I have a table with the China provinces and a numeric value associate to each one, how I can colorise the China provinces based on these values?, like a "intensity" scale. I'm using CartoDB. An ...
fguillen's user avatar
  • 133
0 votes
2 answers
6k views

town, village, prefecture shapefiles for China?

I'm looking for boundary files for towns, villages and prefectures in China that are free. I've came across http://chinadataonline.org/, but they are limited. Can anyone tell me where to look?
jared's user avatar
  • 53
2 votes
2 answers
3k views

Seeking algorithm for transforming from CGCS2000 to WGS84

Is there an algorithm that supports transforming from CGCS2000 coordinate to WGS84 coordinate? CGCS2000 is China Geodetic Coordinate System 2000.
spartucus's user avatar
  • 339
4 votes
0 answers
2k views

What projection system is used in China which is aligned with WGS84 [closed]

I have some GPS tracks in Beijing. I want to project it and convert the lat long degree values in meters for calculation in euclidian space. I was wondering what is the most suitable coordinate and ...
user26161's user avatar
  • 333
3 votes
4 answers
3k views

Given latitude/longitude, how to determine whether point is in Japan or China?

For OpenStreetMap names transliteration to Latin characters, I need to know whether a point (latitude, longitude) should be transliterated to Japanese or Chinese. What formula f(latitude, longitude) ...
Nicolas Raoul's user avatar
3 votes
1 answer
5k views

How to align (georeference) images using QGIS?

I'm completely new to all this. I'm trying to make a map of Han dynasty-era China for a mod for a game called Crusader Kings 2. I've downloaded QGIS and Natural Earth 2, but I need this image to ...
Craig's user avatar
  • 33
4 votes
3 answers
3k views

Where can I get Beijing GIS data?

I was meandering so many places to find GIS data for Beijing, but it seems like I cannot get to any useful resources. Though I did get at least road, water shapefiles and outline of Beijing city. ...
myoki's user avatar
  • 41
15 votes
6 answers
11k views

Seeking China data? [closed]

I'm looking for good free online sources of vector (shapefiles of cities, provinces, terrain etc) and raster data on China. Are there any open repositories of this type of data?
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