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Questions tagged [web-mercator]

Web Mercator a.k.a WGS 84 / Pseudo-Mercator -- Spherical Mercator, is a projected coordinate system used for rendering web maps in applications like Google Maps and OpenStreetMap. The area of use is limited to World maps between 85.06°S and 85.06°N.

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Converting lat/long to EPSG:3857 coordinates

The map widget I'm using gives me click locations in lat/long. I need to convert those coordinates to EPSG:3857 to query a database. Most of the solutions I've found use the formula described in ...
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1answer
66 views

GDALWARP cuts off right edge of image?

I'm reprojecting GFS GRIB files to EPSG:3857 using gdalwarp. Resulting file get little bit shorter to the right so when I zoom in from zoom level 5 and higher, I can see vertical line with missing ...
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40 views

Changing Map Coordinate System Changes in ArcGIS Pro Changes Azimuth

I am trying to create a label that will overlay a line in ArcGIS Pro, the layer is coming from a PostGIS database. The underlying materialized view for the label/symbol overlay is something like this: ...
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141 views

Converting latitude/longitude to full range referential

I have a list of latitudes and longitudes expressed as follow: -1 <= latitude <= 0 0 <= longitude <= 1 Those coordinates represent POIs on a fantasy map displayed using the Leaflet ...
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0answers
97 views

satellite imagery basemap for webmapping application

I am currently trying to develop a small webmapping application to show some point data which covers the whole planet. I do want to use projections different from webmercator, like Robinson ...
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0answers
594 views

Transform projection with SharpMap

I have SharpMap loading a shapefile and displaying the rendered image to a PictureBox. If I open the shapefile in QGis I can see the SRC: +proj=merc +lon_0=100 +lat_ts=-41 +x_0=0 +y_0=0 +datum=...
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0answers
344 views

Google Map Projection Skew - Need correct Projection

I'm having a really difficult time resolving skewed grids when projecting onto Google maps using Alteryx outputs. Within the module, I'm taking GRD files and aggregating rows and columns to re-size ...
1
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1answer
348 views

Open Basemap in different Projection (Transverse Mercator) - QGIS

I have data in a transverse Mercator projection which is a different projection from my base map (Spherical Mercator / Web Mercator / pseudo-Mercator). I really would like to create a map in a TM ...
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97 views

How to compute distance between two spherical Mercator points

I am computing the Mercator points according to the top answer at Convert latitude/longitude point to a pixels (x,y) on Mercator projection. Now that I have two Mercator points on a spherical ...
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0answers
47 views

Features crosses 180 meridian rendered wrong in mbtiles

I think it is the common issue - rendering vector map crosses 180 meridian. But still no success - I didn't come to any correct solution. The problem is, I have vector layer (exactly, linestring ...
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50 views

Projecting EUMETSAT precipitation data

I downloaded the H05 – PR-OBS-5 Accumulated precipitation at ground data from H-SAF. The Product User Manual states the dataset is in rectangular stereographic projection centred on 42°N, 10°E. I need ...