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This question already has an answer here: Can ArcGIS for Desktop auto populate Date Field with current date/time when feature is created? 3 answers In ArcCatalog I'm looking at a feature's table...

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I typically use Windows-based FUSION to generate grid metrics, which can be used to describe forest structural characteristics. From the FUSION documentation: GridMetrics computes a series of descriptive statistics for a LIDAR data set. Output is a raster (grid) represented in database...

Hello everyone, I drew a generalized shaded relief of the 48 contiguous US states fitted to 1:10 million Natural Earth shorelines and rivers. The relief also covers southern Canada, Mexico, Central America, and the Caribbean. You can checkout this new product, released as part of Natural...

I'm looking to use a slope raster in a MCE however i am struggling to ensure it has the correct polarity. The polarity of my other two layers is high values = good and low values = bad. The slope ranges from 0 (good) - 36 degrees (bad) and therefore currently the polarity is the opposite of what...

I recently installed ArcGIS 9.3 in a PC with Windows 7.0. I opened an existing mxd file within which I developed some toolbars for a project. Each icon of a toolbar has behind it a VBA and ArcObjects code. Unfortunately, I noticed that icons are all missing and the symbol of each icon has been...

ArcGIS suite of software categorises coordinate systems as either geographic or projected. From what I understand about coordinate systems (and I may be wrong), geographic co-ordinate systems are used to display features on a globe and projected co-ordinate systems are used to display features...

Thousands of flight hours and a few years in, we’ve found ourselves at the center of one of the fastest growing billion-dollar industries. Drone technology, once a solution designed for military reconnaissance, has started hovering around the agriculture industry, and creating solutions for a...

The Witwatersrand and Vredefort impact crater stand out in this diverse landscape. أكثر...

I am trying to clip a raster layer using the raster clipper function. However, for some reason this is not working for me and I haven't been able to find the answer anywhere. I choose my raster layer as the input file, my shapefile as the mask layer and creates an output file, but after...

Simple ways to use ArcGIS Offline with Javascript. أكثر...

I want to create a multi-modal network to produce service areas from metro stations using both walking and bikesharing. The idea being that using bikeshare from a metro station will help to increase the service area. Bikeshare stations would act as the transfer junction between walking and...

I'm trying to add rasters (TIFF) to a Mosaic Dataset after adding some rasters, the process fails with the message. ERROR 999999: Error executing functionCould not recommend a data source crawler for the the specified input. The data source might be unnavigable or unrecognised.Failed to execute...

One of my biggest frustrations with OSM is adding non-forest/wood areas to an otherwise completely tree-covered area of land. I'd like to know if there's any way to invert the selection of say, grassland, to have everything around it be wood. Or conversely, if it's possible to place grassland...

Geography coursework- Hastings coastal management First paragraph on the background Second geographical location Third what types of erosion occurs there and what types of measures you expect has taken place to prevent it. I have done the rest just need help with these three paragraph...

I'm trying to get some useful information out of openstreetmap data to choose where to rent an apartment in my city. I used osm2pgrouting and osm2pgsql to get OSM data into my postgis database.So far I've managed to create a view (nearest_poi) with the id of the nearest neighbor of my POIs (some...

how can I classification in the eCognition whit SLIC Algorithm?Help me please أكثر...

Demonstration of the virtual layers functionality of QGIS. Basic virtual vector layer generation using Spatialite functions أكثر...

I've designed a Web GIS with mapserver two to have problems. 1. I can not get the map layer list. 2. I can not get the legent map of the selected layer. أكثر...

I'm brand new to GIS and I'm running into a roadblock trying to figure this one out. Here's my setup: PostgreSQL 9.3 PostGIS 2.1 GeoFabrik OpenStreetMap data for US Northeast Following this guide Using osm2pgsql to import the data: osm2pgsql --create --slim --cache 2048...