Opening *.lyr file in QGIS without access to ArcGIS for Desktop?
Hiking & ActivitiesCan you open a .LYR file in QGIS? LYR files can be added to an ArcMap document to automatically load and style data in a single step. Within QGIS, the “QLR” file format offers an equivalent functionality. SLYR adds direct support for LYR files within QGIS, and adds tools for automated batch conversion of LYR
Shapely’s unary_union very slow!
Hiking & ActivitiesWhat does Unary_union do? Returns a geometry containing the union of all geometries in the GeoSeries . What does buffer do in shapely? Returns a GeoSeries of geometries representing all points within a given distance of each geometric object. See http://shapely.readthedocs.io/en/latest/manual.html#object.buffer for details. What is Hausdorff distance in shapely? The Hausdorff distance between two geometries
Using custom shortcut keys in ArcGIS while table of attributes is active window
Hiking & ActivitiesHow do I assign a shortcut key in Arcgis? Click the Keyboard button on the customize dialog box. Click the category containing the command you want to modify. Click the command to which you want to add a keyboard shortcut. Click in the Press new shortcut key text box and press the keys on the
Assigning census block demographics to postal data (zip/zip+4)
Hiking & ActivitiesWhat is zip code and CBSA? The CBSA is a 5-digit numeric code which identifies the Metropolitan Statistical Area or Micropolitan Statistical Area in which the ZIP code lies. For larger metro areas, this database also includes the Metropolitan Division (if any) in which the ZIP code lies. What is a valid US ZIP code?
Creating Polygon from a Raster
Hiking & ActivitiesHow do you turn a raster into a polygon? Procedure. Use the Raster to Point tool to convert each pixel to a point. Navigate to ArcToolbox > Conversion Tools > From Raster > Raster to Point. These points are later used to label polygons. How do you cut raster into a polygon shape? Here are
ST_Intersects with multiple geometries
Hiking & ActivitiesWhat does ST_Intersects do? Determines if two GEOMETRY or GEOGRAPHY objects intersect or touch at a single point. If ST_Disjoint returns TRUE, ST_Intersects returns FALSE for the same GEOMETRY or GEOGRAPHY objects. What is the difference between ST_Intersects and ST_Contains? ST_Intersects() This function determines whether or not two geometries share the same space in any