|Nice Answer||Answer score of 10 or more. This badge can be awarded multiple times.|
whuber earned this badge 67 times
apr 23 at 23:37What is the approximate error of the Pythagorean Theorem vs. Haversine Formula in measuring distances on a sphere at various scales?
apr 3 at 16:38Workflow for determining stream gradient?
mar 13 at 15:59Raster noise reduction and edge smoothing
mar 7 at 17:11Are ellipsoids a mathematical necessity?
feb 16 at 14:55How do I compare two maps to determine which is better?
feb 12 at 10:03Minimum number of samples for kriging interpolation
feb 7 at 2:05GIS data for fast food industry
jan 31 at 9:16How can I create weighted Thiessen polygons?
jan 23 at 22:57Trilateration algorithm for n amount of points
jan 19 at 14:30What is Lanczos resampling useful for in a spatial context?
jan 12 at 17:36Reprojection - Learning the ins and outs
jan 9 at 13:46How to smooth the polygons in a contour map
dec 26 at 17:42Packing Polygons within polygon
dec 22 at 6:44How do I randomly alter a raster map of habitat types?
dec 10 at 19:17How accurate is approximating the Earth as sphere?
dec 7 at 10:10How to find the most spread out locations?
nov 24 at 11:34How to calculate average slope in a grid?
oct 25 at 13:41How can I conduct Geographically Weighted Principal Component Analysis using ArcGIS, Python and SPSS/R?
sep 11 at 0:11How can I calculate the average width of a polygon?
aug 30 at 18:05Calculate distortion outside a UTM zone
aug 23 at 15:31How to find the minimum-area-rectangle for given points?
jun 27 '12 at 20:49Fastest way to spatially join a point CSV with a polygon Shapefile
jun 27 '12 at 18:29How to find a point half way between two other points?
jun 21 '12 at 19:34Calculating Flow Direction and Delineating Basins from Projected vs. Unprojected DEM Data
jun 19 '12 at 20:23How to count consecutive pixel values for a set of rasters?
jun 13 '12 at 16:27Curved point-to-point “route maps”
may 23 '12 at 13:02Why are the results from the same data different in ArcGIS vs MS Excel?
may 23 '12 at 4:32How much Water on Earth(USGS) : A Wrong Map representation?
may 22 '12 at 12:37How to generate random locations nearby my location?
apr 3 '12 at 12:28How to find the center of geometry of an object?
mar 9 '12 at 13:04Measuring distance in spherical Mercator vs zoned UTM
feb 23 '12 at 11:31Points to Polygon
feb 14 '12 at 23:59How do you compute the earth's radius at a given geodetic latitude?
feb 10 '12 at 20:29Optimal video cards for GIS programs
jan 19 '12 at 4:17“Oddities” in the Shapefile technical specification
jan 8 '12 at 15:52Connecting line features and determining the length of the longest line
jan 3 '12 at 15:42Are there any general rules of thumb for selecting a transformation for Georeferencing?
dec 12 '11 at 13:41How to build an artificial 'dam' across a river?
nov 30 '11 at 21:41Recommend topics to be included in a Computer Science for Geospatial Technologies course
nov 30 '11 at 18:00What's the difference between a projection and a datum?
nov 29 '11 at 22:24Random sampling of raster using R
nov 29 '11 at 17:58How to compare two spatial point patterns?
nov 29 '11 at 3:02What resampling technique should be used when projecting aerial photos?
nov 23 '11 at 10:18Producing building shadows?
oct 23 '11 at 6:11When to use which Shapefile attribute data type?
oct 12 '11 at 3:21One dimensional map of the world?
aug 24 '11 at 20:57How can I find the most remote spot in Eastern United States?
aug 10 '11 at 17:06In what coordinate systems do true circles appear round?
may 7 '11 at 8:52How to create an accurate Tissot Indicatrix?
apr 20 '11 at 4:17How to measure the accuracy of latitude and longitude?
apr 12 '11 at 2:21How to divide a polygon into specific sizes using ArcGIS?
mar 18 '11 at 0:26Is there a name for deformation-based maps?
mar 11 '11 at 3:00What is the point of standard symbology?
mar 5 '11 at 23:58Why is the 'straight line' path across continent so curved?