on February 12, 2023
Converting a distance to a map distance
Geographic Information SystemsIf the scale is a verbal statement (i.e. “1 inch equals 1 mile”), determine the distance by simply measuring it with a ruler. For example, if the scale says 1 inch = 1 mile, then for every inch between the two points on the map, the real distance on the ground is that number in
on February 12, 2023
Converting Australian Bathymetry and Topography contours to DEM for Blender visualization
Geographic Information SystemsHow do I import a DEM into blender? Quote from video: First we will delete the default cube go to gis import georeferenced raster data go to the folder then for animation. How do you make contour lines with DEM? Note: Start ArcMap. Load the DEMs files you want to filter. Load data in the
on February 12, 2023
Loading SQLite extensions in QGIS
Geographic Information SystemsHow to load SQLite extension? Loading An Extension An SQLite extension is a shared library or DLL. To load it, you need to supply SQLite with the name of the file containing the shared library or DLL and an entry point to initialize the extension. In C code, this information is supplied using the sqlite3_load_extension()
on February 12, 2023
Changing Coordinate system from custom CRS?
Geographic Information SystemsHow do I change coordinate systems in Arcgis? To copy and modify an existing coordinate system, complete the following steps: Right-click a coordinate system in the Coordinate Systems Available list and click Copy and Modify . On the Modify Coordinate System dialog box, update parameters as necessary. Click Save to save the new coordinate system.
on February 12, 2023
Batch flip direction of selected lines in ArcGIS 10.3
Geographic Information SystemsHow do you flip multiple lines in Arcgis? If you need to flip the direction of multiple lines, use the Flip Line geoprocessing tool. on the Editor toolbar and double-click the feature you want to edit. Right-click any part of the sketch and click Flip. How do I change the direction of a line in
on February 12, 2023
Creating Strip Map Index using ArcGIS Pro?
Geographic Information SystemsHow do I create a map index in ArcGIS pro? Procedure Open the ArcGIS project with the feature layer. Create a map grid index using the Grid Index Features tool. The map grid index feature class is created. Rename the feature class if necessary. How do I create a map index in ArcGIS? Using
on February 12, 2023
Can shapefiles be converted to .TAB files?
Geographic Information SystemsHow to convert shapefile to MapInfo File? How to import a shapefile into Mapinfo? Extract your zipped shapefile. Open MapInfo Professional and click HOME > OPEN > TABLE. MapInfo will automatically create a . Choose the File Character Set (ANSI) and the projection (WGS84). Congratulations! How do you convert shapefiles? Double-click Layer To KML to
on February 12, 2023
Cannot set a NULL value on the not null column applcnt_type_status with org.geotools.jdbc.JDBCDataStore
Geographic Information SystemsHow do I insert a null value in a not null column? Code Inspection: Insert NULL into NOT NULL column CREATE TABLE br2 ( id INT NOT NULL, col1 NVARCHAR (20) NOT NULL, col2 NVARCHAR (20) NOT NULL, ); — INSERT INTO br2 (id, col1, col2) VALUES (1, NULL, NULL); How to change not null
on February 12, 2023
Reading in local GeoJSON file for OpenLayers
Geographic Information SystemsHow do I read a GeoJSON file? Read a GeoJSON File into a GeoPandas DataFrame df = gpd.read_file(‘.geojson’) df = gpd.read_file(‘‘) df = spark.read.geojson(‘.geojson’) How to load GeoJSON into QGIS? Step 2: To import your GeoJSON to QGIS, simply go to the Data Source Manager under the Layer tab. Select the Vector layer type
on February 12, 2023
What is the dimension used in OpenLayers stroke width?
Geographic Information SystemsWhat is the default zoom level in OpenLayers? The available zoom levels are determined by maxZoom (default: 28), zoomFactor (default: 2) and maxResolution (default is calculated in such a way that the projection’s validity extent fits in a 256×256 pixel tile). What is the default EPSG for OpenLayers? Methods for coordinate transforms between coordinate systems.