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I have a city map in arc GIS, with each parcel having it's own parcel number as an attribute in addition to other attributes. I need to create a second layer of the same map and add data to it based on 4 additional attributes. These attributes are based on location in the city (the city would...

Can anyone shed some light on why a feature is buffered before it is clipped to a certain extent? Apologies if this is a JV question but I am struggling to find a valid explanation. أكثر...

In certain environments, dark particles in smoke from fires can inhibit cloud formation and limit rainfall. أكثر...

Since ArcGIS 10.1 (maybe greater) does not apparently have an easy way to select all of the values from a column (field) in the active table, I thought I could write a short ArcPy script to at least write the values to Python window. The following code will write the values to the Python window...

Image is attached showing the map that I need to digitize. I need to add this image as a map layer so that the attributes in the four sections are represented on the base layer. There are four sections, 1, 2, 3 and 4 (7 is supposed to be a 4). I googled answers but I am seeing varying degrees...

I'm just starting with ArcObjects and I want to update coordinates of geometry vertices. Specifically, I want to swap X, Y coordinates for each vertex of polygons (which can be multipart and have inner rings). I've found web help topic Updating geometry of existing features where ITransform2D...

I'm a totally newbie in Mapserver. I'm using mapserver 6.0.3. I have managed to label some lines but I cannot create a background colour for the labels. Using QGIS 2.10 I got something near to what I'm trying to do with Mapserver. I tried to export using RT MapServer Exporter but the map file...

I'm attempting to georeference and warp some old toposheets that are various old projections including the following: Miller Oblated Stereographic ProjectionBipolar Oblique Conic ConformalWhat's the best approach to acquiring the definition for this projection? Or do I just have to use ArcGIS...

I have the following problem: I want to use the OSM plugin to import data from a sqlite database that contains OSM data. In the 'Export OSM topolgy to spatialite' dialog I choose the database file and the polygon geometry. Then I click the 'Exported tags' button. This shows me the list of tags...

In this video we discuss how to use parcel fabric control points that you obtain from a plat of survey or other documentation to adjust your parcels within the fabric. We will add the control points to the fabric, create a join with existing fabric points, and spatially adjust the fabric to...

Researchers at the University of Copenhagen utilized a combination of thermal cameras, computer vision technology, and GIS analytics to geo-reference the movements of pedestrians in order to asses public spaces. The post Advanced Techniques for Measuring Human Behaviors in Urban Public Spaces...

i need to add a watermark (png or jpg file) whenever the user prints the map. Currently we are using PrintTask. thanks أكثر...

I have published the geoprocessing services for a GP tool. How can I use this link in python scripting to execute the GP tool? http://VM01-AG01-NJ:6080/arcgis/rest/services/FeatureClassToGeodatabase/GPServer أكثر...

I am working back and forth between QGIS to ArcGIS for various tasks. So far, for my taks, I have found similar tools and options between them. However, for my current task, to calculate the zonal-statistics between multi-band raster and a feature shape file, the Qgis has option to select the...

I am brand new to arcgis and the current html my company is using references http://serverapi.arcgisonline.com/jsapi/arcgis/?v=3.2 The site works perfectly in chrome, firefox and safari but nothing works in IE11. Has anybody run into this issue? Does anyone know what I need to do to get...

I am dealing with some very large geotiff files (the whole of Canada at a 250m resolution) and is having trouble to extract the pixels value as I need to do some calculations for mapping ecosystem services (carbon,timber volume, biodiversity etc.). To do so, I need all the pixel value and we...

I want to plot data from a project on a world map using choropleths. The data is at country level, and I am using ArcMap 10.2. I had started by adding World countries (generalized) from ArcGIS Online, which essentially freezes the entire tool making unusable. How can I import that...

I have a TileWMS: var mapWMSTile = new ol.source.TileWMS( { url: '.....', params: {'LAYERS': 'l1,l2', VERSION: '1.3.0', 'TILED': true}, serverType: 'mapserver' }); var fieldTile = new ol.layer.Tile( {...

Does anyone know of sources for downloadable global composite NDVI datasets (2-week to 1 month composites) that include more recent data than 2006? The GLCF (http://glcf.umiacs.umd.edu/data/gimms/) and USGS (http://eros.usgs.gov/#/Find_Data/Products_and_Data_Available/NDVI) composite AVHRR data...

Summary: Islands used by tropical seabirds are highly vulnerable to sea level rise according to a new study released today Contact Information: Katie Keck ( Phone: 808-985-6408 ); Paul Laustsen ( Phone: 650-329-4046 )...