I am also glad sir it helps. 

On Thursday, May 28, 2020 at 9:33:04 PM UTC+5:30, Abhiroop Sarkar wrote:
>
> Hi Souvik, this is an extremely wonderful script. I just tried this and it 
> seemed to work great in all the different scenarios. Thanks a lot for the 
> help!
>
> On Thursday, May 28, 2020 at 6:18:49 PM UTC+5:30, Souvik Sankar Mitra 
> wrote:
>>
>> To download mvt of "Mumbai Existing Land Use" I have written this code. 
>> As the mvt files are stored according to zoom level . I run it from zoom 
>> level 10 to zoom level 21. This stores all mvt files w.r.t zoom level in 
>> different directory. Hope it helps. 
>>
>> On Wednesday, May 27, 2020 at 6:32:38 PM UTC+5:30, Abhiroop Sarkar wrote:
>>>
>>> Hi, can someone help in extracting some data from 
>>> http://www.loginmumbai.org/map.html ? There is a lot of data on here 
>>> regarding Mumbai which can be helpful for further analysis.
>>>
>>> I have spent some time on this and from what I saw, all the layers are 
>>> displayed in 2 ways -
>>> 1. Directly parsing TopoJSON through OpenLayers.
>>> 2. Loading Vector Tiles (.mvt) through OpenLayers.
>>> The smaller point and polygon layers are loaded directly whereas the 
>>> heavier polygon and polyline layers are loaded through the vector tiles.
>>>
>>> What I am having trouble with is extracting the vector tiles. For 
>>> example, I want the layer under "LandUse and Development Plans" > 
>>> "Mumbai Existing Land Use". Fetching the zoomed out .mvt file and 
>>> loading it in QGIS works but zooming in shows that the edges of the 
>>> polygons are very jagged. Zooming in and then fetching the .mvt file 
>>> produces perfectly clean geometry but only for a small region (only the 
>>> specific tile).
>>>
>>> Can someone help in getting such layers in a clean way? One of the ways 
>>> would be to automate the process of panning the zoomed in webmap to 
>>> gradually load the detailed .mvt files and save them automatically upon 
>>> loading, but I lack the coding expertise to implement this. Any and all 
>>> suggestions are welcome.
>>>
>>> Thank you.
>>>
>>

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