Linked Questions
4
votes
0
answers
1k
views
Changing central meridian in QGIS causes problems? [duplicate]
I want to change the central meridian of my world map (WGS84) in QGIS from 0 to -80. The problem is that this distorts the map every time I try it.
This is what I do:
go to Settings/Custom CRS and ...
- 61
2
votes
0
answers
654
views
Creating a world map centered on another meridian in QGIS [duplicate]
I am trying to create a world map, but centered over the Pacific rather than the Prime Meridian. Recentering the projection (standard Mercator) on 180 degrees gives me a lot of ugly artifacts where ...
- 809
2
votes
0
answers
469
views
QGIS world map projection with solid Russia (10 degrees over) [duplicate]
I'm fairly new to QGIS. I have a world map, standard WGS84 with 10 degree graticules (see map).
How do I "shift" the whole map over just 10 degrees to give me a complete world map with a solid (...
- 29
0
votes
0
answers
280
views
Wrap CSV lat/long points around 180 meridian in QGIS [duplicate]
I have a CSV file with lat/long coordinates. I also have a custom CRS to center the map on the Indian Ocean. Is there a way for me to force the points to plot on the blank band of the map where the ...
- 848
0
votes
1
answer
260
views
Lines on map when I change projection on QGIS [duplicate]
I changed the projection of my base to WGS 84 PDC but I get these lines on top. This also happens to a few other projections. I am trying to make the Pacific the center of the map.
1
vote
0
answers
105
views
How to reproject data from [-180 180] to [0 360]? [duplicate]
I have both a GeoJSON and shapefile of volcanoes along the Pacific Ring of Fire. The area I want to render in the map is right around the antimeridian, so Leaflet cuts it in half. I initially tried to ...
- 135
1
vote
0
answers
49
views
Complete map of Oceania (physical, from satellite,...) to use as background [duplicate]
I need to use a map to show a cartographic output based on raster elaborations. Specifically, I want to use this map as background to overlay over it some cells of my rasters layers.
The type of map ...
- 365
1
vote
0
answers
48
views
Recenter projection of world map in QGIS [duplicate]
I'm a beginner in QGIS. I would like to use world maps with different longitudes in the centre for my geography lessons.
I am trying to create world maps centred on different longitudes (others than ...
- 11
1
vote
0
answers
46
views
Graphical error while reprojecting Shapefile with QGIS [duplicate]
I'm trying to retroject Natural Earth's Shapefile of the world (Admin 0 – Countries on this page: https://www.naturalearthdata.com/downloads/10m-cultural-vectors/).
Here's the original Shapefile in ...
- 191
17
votes
2
answers
5k
views
Ortho Projection produces artifacts
I`m trying to create a sphere-like view using qgis and the "world from space"-projection http://spatialreference.org/ref/sr-org/6980/ (essentialy an ortho-projection). ArcGIS wraps the shapes ...
- 171
7
votes
2
answers
9k
views
Changing shapefile longitude from -180 - 180 to 0 - 360?
I have a shapefile of world countries, with longitude between -180° and 180°.
How can I change the shapefile (eg. with ogr2ogr) for having longitude between 0 and 360°.
Following OSGEO/Trac ...
- 891
4
votes
4
answers
2k
views
Lines on reprojected sp objects with Mollweide projection
I'm having an odd problem such that when I reproject maps to a Mollweide projection in R using sp, I get additional lines stretching across the globe. What is going on here, and do you have any ...
- 483
5
votes
1
answer
3k
views
How to render area that crosses 180°?
The problem is that the Chukotka Peninsula is located in the Western Hemisphere. So it is on the left side of Natural Earth Datasets. It needs to be moved to the right. I tried to use following srs(...
7
votes
1
answer
3k
views
Reprojecting over the Pacific Ocean with EPSG:3832 gives artefacts
I am trying to center the Natuarl Earth 10m on the Pacific. I have followed instructions from QGIS Tutorial: How to Change the Map Projection to be Centered Over the Pacific Ocean.
When I change ...
- 363
6
votes
1
answer
1k
views
Transforming a shapefile from EPSG:3338 to EPSG:4326?
I'm trying to transform this shapefile from EPSG:3338 (Alaska Albers) to EPSG:4326.
When I display the file in EPSG:3338 in QGIS it looks as you'd expect:
But when I display it in EPSG:4326 I see ...
- 3,329