Changes between Version 23 and Version 24 of HowToTestGrass6
- Timestamp:
- 03/15/10 19:41:45 (15 years ago)
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HowToTestGrass6
v23 v24 98 98 === Digitizing === 99 99 * Click in Layer manager on "Add raster map" button, 100 * select raster map "ortho_2001_t792_1m@PERMANENT" in properties dialog and click "ok",101 * right mouse click in layer tree and choose from contextual menu "Zoom to selected map", map should appear in canvas.100 * Select raster map "ortho_2001_t792_1m@PERMANENT" in properties dialog and click "ok", 101 * Right mouse click in layer tree and choose from contextual menu "Zoom to selected map", map should appear in canvas. 102 102 * Zoom to houses within the map, zoom one house, 103 * start "Tools" -> "Digitize" in the map canvas.103 * On the right-hand end of the map canvas window select "Digitize" from the pull-down list. (originally set to "2D view") 104 104 * Go to "Select vector map" -> "New vector map", enter "house" as vector map name, "ok". 105 105 * Go into the layer manager canvas and click the "Show attribute table" icon, 106 * Go therein into "Manage table" tab and add a new column "name" as varchar type with length 50. Then "Add", then "Close".106 * Therein go into the "Manage table" tab and add a new column "name" as varchar type with length 50. Then "Add", then "Quit" to close the Attribute Manager. 107 107 * Now digitize a boundary around the house and a centroid, for both enter "my home" as "name" attribute. 108 * Leave the digitizer , the house polygon should show up as grey area.108 * Leave the digitizer by going back to "2D view". The house polygon should show up as grey area. 109 109 110 110 [[Image(grass64_digitize.jpg,50%)]]