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High-pressure ridges over the oceans drive warm-weather systems over the continents. أكثر...

In QGIS, I need to assign values from Voronoi cells into admin 2 units (e.g., counties) with a weighted average according to the amount of territory of each county covered by the cell. So, for example, if some county contains parts of various Voronoi cells--V1 taking up proportion p1 of the...

Archaeologists have discovered more than 3,000 historical sites and monuments in the New Forest thanks to Lidar (Light Detecting and Ranging). The technique beams harmless lasers into the ground to build a 3D map, revealing the hidden history of the New Forest including a Roman road and...

I would like to test vector vs raster data. So i try to fix a problem using both ways. I made it in vector first : coastline

Hi Mike, hello everybody! What is an accuracy of water level rising in GM configuration menu? I mean, meters, centimeters or something else?... أكثر...

I have an excel file in which I have XY coordinates, example on the attached immagethat is the form XCoord | YCoord15822.426100 | -2747650.026000 I need them in the form similar to this XCoord | YCoord-24.7236869 | 31.1995142 Please help, Im...

I've been using the Centroidal Longest Flowpath from the HEC-GeoHMS Basin Characteristics Toolbox. The explanation from the HEC-GeoHMS manual is that the centoidal longest flowpath is computed by projecting the centroid onto the longest flowpath. The centroidal longest flowpath is measured from...

I have 2 databases: Database 1: Point Shapefile with adress and APN (parcel numbers) as attributes. (Huge number of points, addresses for an entire metropolitan area). Database 2: CSV file with a smaller database of addresses and APN numbers, and a few other fields. This one is not...

Can anyone help me with selecting multiple values from the attribute table? I tried "Classes"='14'AND'07' but it doesn't work. أكثر...

Web AppBuilder for ArcGIS 10.3 أكثر...

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Our Problem Vs Our Image!!! All remote sensing projects begin with a problem we are trying to solve: We may want to find out where the oil is, where to drill, the best way to get to a drill site, and where to build a pipeline or a gas plant for the least cost and with minimal...

This issue is really troublesome.i have a SpatialPointsDataFrame which refers to a city.I needed to perform a join with a dbf in order to attach the population column which i did thanks to a couple of people from here. Next step is to take the settlementes that contain population under 1000...

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I need a DEM file for Scotland, UK. Do you know where I can get it from for free? I need to create a watershed for an area of study. Thanks أكثر...

Using AutoCAD Map 3D to create Raster Surfaces using ASCII point files to be used in InfraWorks models أكثر...

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Question regarding stream Morphometry. In which we calculate number of stream segment of a particular stream order. Issue is that ArcGIS is giving incorrect no of segments. What happened in ArcGIS 10.1 after converting into Vector format (feature class), Grid code shows stream order. But the...

At v10, it was nice that you could roll back individual Service Packs. Ive just rolled forward to 10.1 SP1 on my dev machine (not a fresh install), but it would appear this option is not available at 10.1. Anyone know of a way to roll back the Service Pack without having to do a...

I have land cover data that I would like to clean using some generalization tools. Majority filter does almost exactly what I want, but is missing one key option. Majority filter allows you to change cells where 5 out of 8 of the neighbors are a different class. The problem is that in my data...