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Given a polygon featureclass containing many polygons of different sizes and shapes, which geometric attributes (area, perimeter, etc) could be used to filter the polygons? It's probably best to ask this in two parts: Which geometric attributes do polygons possess? How would you calculate...

Re: Network Shapefiles Thanks Winston. That'll save some space. The only writing to the shapefiles will be when I update them. I guess I can write a file to the directory to tell me when they're in use so I know when I can update them. Duncan أكثر...

I'm trying to compute a MTVI2 (Modified Triangular Vegetation Index - Improved) and EVI (Enhanced Vegetation Index) from Landsat 8 imagery. My formulas are as follow (I'm using the model builder): MTVI2= 1.5*(1.2*("%Band 5%"-"%Band 4%")-2.5*("%Band 4%"-"%Band 3%")) /...

I am using ArcMap and I have a series of real estate parcels mapped along with a series of wind turbines. I have created multiple buffer rings around each real estate parcel with distances (0.5, 1, 1.5, and 2) miles. What I am trying to do is determine how many turbines fall within each buffer...

If you’re in search for a GIS job, we list 10 GIS career tips to instantly help you start mapping like a rockstar (and get paid to do it). The post 10 GIS Career Tips to Help Find a GIS Job appeared first on GIS Geography. أكثر...

Global Mapper v16.1.0 (b020415) - REGISTERED When viewing Open Street vector maps, places where railroads are depicted multiple tracks are shown... أكثر...

I've problem with my code in MapBasic for change region style in MapBasic. I've created voronoi and I want to select that voronoi and change the style of it to yellow border and no fill. I already try a code to change that color which I got it from other source but it takes a long time more than...

My data: n1 n2 n3 NEW_COLUMN 11 null null null 33 null null null 55 my desired result: n1 n2 n3 NEW_COLUMN 11 null null 11 null 33 null 33 null null 55 55 Thanks! أكثر...

I want to calculate the difference between a raster and vector layer, I used this querie but it's so slow and I don't know if it's right or not. I'm not using st_difference because it only support vector layers SELECT ST_Clip(a.raster,b.geom) FROM my_raster a, my_shape bWHERE not...

I start with a bunch of 1-bit geotiff files that I had to convert to 8-bit RGB tiff files to use with GDAL. Then I tried to set borders to red (content is in black and white so I can't use those) and do gdal_translate -a_nodata '200 0 0' -of vrt red.tiff nodata.vrtgdalbuildvrt -srcnodata '200...

Fusion uses Esri maps to document rise in Baltimore homicides. أكثر...

100 Resilient Cities Opens London Office to Oversee Operations in Europe & Middle Eas 100 Resilient Cities announces its partnership with Esri. أكثر...

Belgium's Orbit Geospatial Technologies announces its new partnership with Esri. أكثر...

In ArcMap (ArcGis 10.1) I'm trying to find a way to fill a polygon with a symbol in different orientations. Is it possible? Example: look at the red semicircles, I would like to do something like that. In case it's not: is it possible to associate the rotation of a polygon feature's fill to...

I am a web project manager and I want to create a website to show current position of cars on the map (google or ARC). I know how to create the website, but I don't know how to fetch the longitudes and latitudes and to keep them in NewSQL databases and then to show them on the website. Seeking...

Some back round: Using Geomatica to analyse suburban spectral signature in Las Vegas. Ran a texture analysis on all band images. Combined texture bands with original image bands to run an unsupervised ISODATA classification. I aggregated the classification to 3 classes (urban, non-urban, and...

I want to use QGIS to make several views of bold colors for one same map. I've been using the layers in order to keep one on top of another. How could i make a composition on the print composition where i toggle through layers in order to view the different layers I've built? أكثر...

NETGATE Registry Cleaner 9.0.405.0 Multilingual | 8.0 MB NETGATE Registry Cleaner cleans and defragment your registry, speed-up your PC, removes unneeded files on disks, removes activity traces. It includes Startup manager to manage programs started at Windows startup and Uninstall manager for...

I want to do time series analysis and find change in NDVI. I have rasters where each pixel is represented by some value at a time. Also I have same thing but represented by points. And I would like to generate new map, with changes. Now Im looking at the transformation matrix and also on this...

Surveying Your Future أكثر...