Thanks alot :)
Vignesvar J
On Fri, 4 Dec, 2020, 12:56 Ujaval Gandhi,
wrote:
> Hi Jagades,
>
> There are many ways to do it. Here are some ways to achieve this in QGIS
>
> Easiest would be to use the GPX tracks (lines). QGIS has a tool 'Line
> Density' in Processing Toolbox that will give you a heatmap based on
> overlapping line segments. If you just have points with timestamps and
> track id, use the 'Points to Path' tool to create tracks.
>
> A more complex but accurate way would be to first snap your GPS points to
> the road segments. I outline the process here
> https://spatialthoughts.com/2020/02/22/snap-to-roads-qgis-and-osrm/ . If
> you don't care much about accuracy, you can use 'Snap Geometries to Layer'
> tool in QGIS and snap each GPS point to the nearest road segment. Then you
> can do a spatial join 'Join Attributes by Location (summary)' and count the
> number of points on each segment. Then you can use apply a symbology using
> the 'count' field for each line segment.
>
> I can think of 5 other ways, but instead of listing them here, I'll point
> you to this thread which has more ideas :)
> https://gis.stackexchange.com/questions/264710/doing-heatmap-from-line-data-in-qgis
>
> [image: Logo] <https://spatialthoughts.com/>
> Ujaval Gandhi
> Spatial Thoughts
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> email: uja...@spatialthoughts.com
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>
>
>
> On Fri, Dec 4, 2020 at 1:32 AM Jagades Vignesvar
> wrote:
>
>> Dear All,
>> I have a set of GPS Points (in both .gpx and .csv format), and the base
>> road layers in .shp format. Can anybody help how to generate a Line Heat
>> Map based on the available GPS points? (Like a larger number of GPS points
>> on a particular route indicates its being used frequently)
>> Thanks in advance.
>>
>> *Vignesvar J.*
>> *Civil Engineer | *
>> *Urban & Regional Planner*
>>
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