[ADD] geoengine_tools: measure toolbox#4
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Add a read-only measure toolbox to the GeoengineRenderer, available to every user (measuring never alters data): - Coordinate readout: live GPS (WGS84) coordinates on hover; native E/N shown too when the map runs in a projected CRS (e.g. EPSG:2056). - Distance ruler: geodesic length of a drawn line. - Surface/perimeter: geodesic area and perimeter of a drawn polygon. - Proximity check: flags pairs of objects (parcels) closer than a given threshold; touching/overlapping objects (gap < 1 cm) are ignored and features are deduped by id to avoid 0 m noise. - Clipboard export of the last / all measurements. All measurements use ol.sphere (geodesic), so they stay correct in any map projection without depending on the projection-aware modules. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Description
Adds a read-only measure toolbox to the
GeoengineRenderer(modulegeoengine_tools), available to every user since measuring never alters data. Implemented as apatchon the renderer prototype + a small CSS file (picked up by the existingstatic/src/**/*asset glob — no manifest change).Tools (controls stacked on the right side of the map)
fa-crosshairs): live GPS (WGS84) coordinates of the mouse on hover. When the map runs in a projected CRS (e.g. EPSG:2056 / CH1903+ LV95 fromgeoengine_swisstopo) the native E/N coordinates are shown as well.fa-arrows-h): geodesic length of a drawn line.fa-square-o): geodesic area and perimeter of a drawn polygon.fa-compress): prompts for a minimum distance and highlights every pair of map objects (parcels) closer than that threshold, with the measured gap. Touching/overlapping objects (gap < 1 cm) are ignored and features are deduped by id to avoid0.00 mnoise. Exact minimum gap via vertex-to-closest-point sampling both ways, with a bbox pre-filter.fa-copy/fa-clipboard): clipboard export of measurements.fa-eraser): clear all measurements and restore normal selection.Notes
ol.sphere(geodesic), so they stay correct in any map projection without depending on the projection-aware modules.addSelectedClassToButtonhook; the coordinate readout is an independent toggle.🤖 Generated with Claude Code