coordinate-axis-transform-checkVerify actual coordinate tuple order, API axis mapping and selected CRS operation against independent forward location controls and saved-output interpretation. Use when a transform gives plausible but wrong locations, an axis default changes, or inverse roundtrip is offered as proof. Not for geomet
gis-expression-and-view-authoringWrite a QGIS or ArcGIS label expression or a PostGIS spatial view against a stated schema - quote the exact field names, types and geometry column, handle NULL and type casts explicitly, test the expression on three sample rows with the expected output worked by hand, and for views state the SRID, i
gis-geometry-repair-and-validatePlan the cleanup and merge of several polygon layers - run validity checks first and count error types, align CRS and field schema across layers with a mapping table, repair with a named method, compare feature count and area before and after, check boundaries for gaps and overlaps, and keep a repai
gis-slope-area-from-contoursPlan how to get the area per slope class from contour lines - interpolate a DEM with a named method and cell size, derive slope as percent or degrees (state which), reclassify at the stated breaks, sum areas in a projected CRS, check the class sum against the study area, and state how the contour in
gis-tool-substitutionPlan a replacement of a proprietary GIS analysis tool with a free or other licensed one - name the algorithm and every parameter of the original (observer and target height, distance, curvature and refraction, cell size, units), map each to the candidate tool's option, list the defaults that differ,
raster-nodata-and-scalingPlan how to shrink, trim or aggregate a large raster without changing its meaning - separate NoData from valid zero before trimming, pick an integer type with scale and offset from the stated error tolerance with the bundled calculator, keep a NoData code outside the valid range, and compare the res