Linked Questions
10 questions linked to/from What is projection of WGS84 in GIS software?
16
votes
2
answers
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Projecting EPSG:4326 data in 2D map?
I like to think I'm relatively well-versed in datums, projections, and coordinate reference systems.
OpenStreetMap data is stored in WGS84 Lat/Lon (EPSG:4326). This CRS is geographic and therefore ...
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3
votes
2
answers
15k
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What projection is being used to display in QGIS for Geographic Coordinates [duplicate]
Google/Bing Maps etc. or web mapping applications use WGS84 coordinates. When you moves the mouse on map, you see WGS84 latitude and longitude. Although coordinate system is WGS84, map is projected in ...
- 78k
1
vote
0
answers
67
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Is there such a thing as no projection? [duplicate]
I was reading an article that said when we display a map in WGS84 many people call it no projection. But most definitely when you see the map it has been distorted on a 2D surface.
Which got me to ...
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262
votes
11
answers
155k
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Difference between projection and datum
What is the difference between a projection and a datum?
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5
votes
2
answers
621
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Does spatial data layer have to have both projected coordinate system and geographic coordinate system?
Since maps are flat, I feel like the PCS is needed for the spatial data layer to know how to draw it out, but I think the layer also needs the GCS for the coordinates to show where the location is on ...
- 127
15
votes
1
answer
1k
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How do coordinate reference systems and projections relate to each other?
I would like to resolve some general confusion of mine concerning the terms (and concepts) of "coordinate reference system" and "projection". The way I initially understood these terms is that a CRS ...
- 541
6
votes
2
answers
2k
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Need Projection Help to Buffer Lines in QGIS
I need to create buffers (1km, 3km, and 5km) around the rivers of this shapefile from NOAA, something I remember being relatively simple in my GIS class.
However no matter what I do the buffers I ...
- 61
3
votes
4
answers
4k
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"Horizontal" and vertical datums terminology
I have heard people referring to as a horizontal datum to models such as WGS84 and as a vertical datum to geoids. The former is primarily used for determining latitude and longitude but also the ...
- 1,545
2
votes
1
answer
979
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GeoTIFF without projection?
I have encountered a GeoTIFF raster files with EPSG:4326 (WGS84), i.e. no projection defined! Is this normal? I would expect raster to be in Projected Coordinate System. Raster is a grid of pixels so ...
- 1,262
3
votes
1
answer
239
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Rhombus shaped pixels when viewing an image referenced in WGS84
Following the Question What is the projection of WGS84 in GIS software?, in the comments section of the answer https://gis.stackexchange.com/a/73578/5256, Jake very well explains that
Because the ...
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