Discrete Global Grids


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Documentation for package ‘dggridR’ version 3.1.0

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dgcellstogrid Return boundary coordinates for specified cells
dgconstruct Construct a discrete global grid system (dggs) object
dgearthgrid Return the coordinates constituting the boundary of cells for the entire Earth
dgGEO_to_GEO Convert from GEO to GEO
dgGEO_to_PLANE Convert from GEO to PLANE
dgGEO_to_PROJTRI Convert from GEO to PROJTRI
dgGEO_to_Q2DD Convert from GEO to Q2DD
dgGEO_to_Q2DI Convert from GEO to Q2DI
dgGEO_to_SEQNUM Convert from GEO to SEQNUM
dggetres Get table of grid resolution information
dginfo Print info about a dggs object to the screen
dgmaxcell Get largest cell id for a dggs
dgPROJTRI_to_GEO Convert from PROJTRI to GEO
dgPROJTRI_to_PLANE Convert from PROJTRI to PLANE
dgPROJTRI_to_PROJTRI Convert from PROJTRI to PROJTRI
dgPROJTRI_to_Q2DD Convert from PROJTRI to Q2DD
dgPROJTRI_to_Q2DI Convert from PROJTRI to Q2DI
dgPROJTRI_to_SEQNUM Convert from PROJTRI to SEQNUM
dgQ2DD_to_GEO Convert from Q2DD to GEO
dgQ2DD_to_PLANE Convert from Q2DD to PLANE
dgQ2DD_to_PROJTRI Convert from Q2DD to PROJTRI
dgQ2DD_to_Q2DD Convert from Q2DD to Q2DD
dgQ2DD_to_Q2DI Convert from Q2DD to Q2DI
dgQ2DD_to_SEQNUM Convert from Q2DD to SEQNUM
dgQ2DI_to_GEO Convert from Q2DI to GEO
dgQ2DI_to_PLANE Convert from Q2DI to PLANE
dgQ2DI_to_PROJTRI Convert from Q2DI to PROJTRI
dgQ2DI_to_Q2DD Convert from Q2DI to Q2DD
dgQ2DI_to_Q2DI Convert from Q2DI to Q2DI
dgQ2DI_to_SEQNUM Convert from Q2DI to SEQNUM
dgquakes All earthquakes with magnitude >=3.0 earthquakes for 2015
dgrectgrid Return the coordinates constituting the boundary of cells within a specified region
dgsavegrid Saves a generated grid to a shapefile
dgSEQNUM_to_GEO Convert from SEQNUM to GEO
dgSEQNUM_to_PLANE Convert from SEQNUM to PLANE
dgSEQNUM_to_PROJTRI Convert from SEQNUM to PROJTRI
dgSEQNUM_to_Q2DD Convert from SEQNUM to Q2DD
dgSEQNUM_to_Q2DI Convert from SEQNUM to Q2DI
dgSEQNUM_to_SEQNUM Convert from SEQNUM to SEQNUM
dgsetres Set the resolution of a dggs object
dgshptogrid Return boundary coordinates for cells intersecting a shapefile
dgverify Verify that a dggs object has appropriate values
dg_closest_res Determine an appropriate grid resolution based on input data.
dg_closest_res_to_area Determine resolution based on desired area
dg_closest_res_to_cls Determine an appropriate grid resolution based on a desired characteristic length scale of the cells.
dg_closest_res_to_spacing Determine grid resolution from desired spacing.
dg_env Control global aspects of the dggridR package
dg_process_polydata Load a KML file
dg_shpfname_south_africa National border of South Africa