Questions tagged [homolosine]
Questions related to Goode's Homolosine projection (+proj=igh).
16 questions
0
votes
1
answer
422
views
Soilgrids points outside of projection domain
I have downloaded a global soilgrid tif from ISRIC (https://files.isric.org/soilgrids/latest/data_aggregated/5000m/ocs/) and when I import this in R with terra::rast(filename) (and similarly with ...
- 149
1
vote
2
answers
2k
views
Why is PROJ not figuring out a CRS?
I am trying to use gdal_translate to convert a WCS source to a tif target. I am trying to achieve this using a WCS XML service description file. The gdal_translate call looks like this
"C:\...
- 774
4
votes
1
answer
568
views
Google Earth Engine Reprojection to Interrupted Goode Homolosine
There was a great answer to Google Earth Engine Reprojection to non-EPSG defined CRS about the support of Interrupted Goode Homolosine projection in GEE.
It seems that since release 22.3 the ...
- 183
0
votes
1
answer
51
views
Remaining gaps in SoilGrids250m v2
I am following up on Handling data gap in new SoilGrids datasets which is a similar question about a previous version of SoilGrids250m v2.
There still appears to be gaps in northeastern Russia in the ...
- 93
2
votes
1
answer
97
views
How to calculate the area of each WRB soil class with the 2017 TAXNWRB_250m raster?
For my research I want to calculate the total area of each WRB soil class on each continent in km2 using the 250m WRB soilgrids raster. However, the total area I calculated is almost 1.3 times as ...
- 21
3
votes
1
answer
470
views
Using a projection other than Mercator with proj4js 2.5 and OpenLayers 5.3
I am following the OpenLayers FAQ regarding the use of coordinate systems that do not rely on the infamous Mercator projection. I thus produced a very small HTML with a simple example that could be ...
- 3,951
0
votes
1
answer
240
views
Name of a custom Goode homolosine projection
What is the specific name of this homolosine projection? I see that America is closer to Europe/Africa than in the typical homolosine.
- 21
0
votes
0
answers
1k
views
gdal_translate errors with VRT: GetBlockRef failed and IReadBlock failed
I am projecting global rasters with the Homolosine. gdalwarp reprojects it nicely, but it does not compress the output, that must be done afterwards with gdal_translate. To reduce computation time, I ...
- 3,951
2
votes
1
answer
202
views
Homolosine projection with GeoTools
I would like to use Goode's Homolosine projection with GeoTools. This projection is fully supported by both PROJ and GDAL. However, when I try to create a CoordinateReferenceSystem object with this ...
- 3,951
4
votes
1
answer
2k
views
MapServer: using a CRS for which there is no EPSG code
I am developing a MapServer map file for a map created with Goode's Homolosine projection. The PROJ string is rather simple:
+proj=igh +lat_0=0 +lon_0=0 +datum=WGS84 +units=m +no_defs
The IOGP (...
- 3,951
8
votes
1
answer
5k
views
Google Earth Engine Reprojection to non-EPSG defined CRS
Is it possible to reproject an image in earth engine to non-EPSG defined coordinates? In particular either Goode Homosline (SR-ORG:7619) or Mollweide (ESRI:54009). Passing either to .reproject() ...
- 616
0
votes
1
answer
278
views
ArcGIS: Goode Homolosine Projection and Inconsistent Extents
I recently posted about a problem in ArcGIS using the Goode Homolosine (Land) projection with the Project Raster tool HERE.
The problem was related to a bug with that tool, and a workaround solution ...
- 107
3
votes
2
answers
2k
views
Projected raster data has inconsistent extent but not shapefile
I want to calculate the average value of a raster file within each polygon boundary of my shapefile. Because I want to preserve area I wish to use the Goode Homolosine (Land) projection. The original ...
- 107
0
votes
2
answers
3k
views
MODIS-Sphere to WGS84 coordinate system in ArcGIS [duplicate]
I want to overlay two global raster datasets on land use which use different coordinate systems (MODIS-Sphere & WGS84) using ArcGIS Desktop. There seems to be no direct transformation option from ...
2
votes
2
answers
1k
views
Working with Interrupted Goode Homolosine data
I'm trying to use Global Land Cover Characterization data from the USGS:
http://edc2.usgs.gov/glcc/fao/data_specifications.php
It is in the Interrupted Goode Homolosine projection. As I am working ...
- 1,462
12
votes
3
answers
4k
views
Is it possible to use the Goode Homolosine projection in QGIS?
Is it possible to use the Goode Homolosine projection in QGIS? Both QGIS and GRASS seem to have trouble with the interruptions, squashing the higher latitudes together. I tried +proj=goode +ellps=...
- 2,947