whuber

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visits member for 2 years, 9 months
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Consultant (environmental stats a specialty) and teacher.


421 Answers

newest activity votes
7
How does one calculate an angle in a geographic coordinate system?
7
phong lighting scheme in arcmap?
7
How to calculate Topographic Ruggedness Index in Arcgis?
7
Partially update a raster (a DEM)
7
Surface distance on DEM between two coordinates
7
How does ArcGIS compute the distance between two points with a non-equidistant projection?
6
Is it possible to colour areas between (vector) contours?
6
Sort a feature table by geographic location
6
Generating polygonal blocks using growing lines
6
How to find the minimum extent of a given pixel value of a raster?
6
How do you explain what a .lyr file is?
6
Calculating mean slope: Harmonic or Arithmetic Mean?
6
summing up over an area based on a distance related function
6
Aggregating points to grid using R
6
Calculating “relative slope” per Mora-Vahrson method in ArcGIS
6
Calculating a spherical polygon centroid
6
How to improve the display of color images?
6
Convert area from square meters to degrees globally
6
Raster generalization - buffers in rasters, expand pixels?
6
How to find the angle between intersecting features in two featureclasses?
6
How to get the radius of a “circle” in Openlayers
6
Mercator projection: problem with latitude formula
6
How to use/interpret/visualise a distance matrix with unknown coordinates?
6
Selecting polygons by number of sides
6
What's an efficient way of detecting road junctions on a map?
6
Method to shade or overlay a raster map to reflect time of day and ambient light
6
Simulation envelopes and significance levels
6
How to cope with imprecision in floating-point grids?
6
How to find the elevation differences between adjacent pixels in ArcGIS?
6
Detrending DEMs? - Removing the elevation trend over sloped surfaces (diagram included)
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