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By Kacey Fitzpatrick Fall foliage is at its peak in Washington DC—everywhere you look the leaves are changing from green to vibrant shades of red, yellow, gold, and orange. Why do the leaves change color? Well, it all starts with science! Check out this lesson from the USDA Forest Service...

A basic introduction to the “rules” of map design and how to implement them in QGIS أكثر...

Esri data reveals that you're more likely to live or work in a high crime area in Miami-Dade County than any other county in South Florida. أكثر...

Esri technology will allow Broomfield residents to access raw data about their city. أكثر...

On ArcGIS Online, a web map application was created based on the community polygons and their outages and overlaid on the topographic basemap. أكثر...

After looking at the OPeNDAP documentationI assumed I could import data into QGIS by downloading the .ascii file OPeNDAP generates. However the downloaded OPeNDAP .ascii doesn't seem to be compatible with the ERSI .asc import methods on QGIS. This website says that you can import OPeNDAP and...

I'm having a problem when trying to render a shapefile's labels that has Greek characters with the use of truetype and I'm getting weird characters. The code for my label section is as follows: LABEL TYPE truetype FONT arial SIZE 12...

I have clients that have an existing ArcGIS Server. Map layers are published as rest services and I am going to build a mapping application that displays their datasets. Functionality should include users' ability to click on layers and retrieve attribute info. I've been using Google's JS API...

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I'm new in SQL Server 2008 and I hope you will understand my question/need. Thus, I have a table which contains 3 fields (Name, Lat and Long) in my data base (spatial). I want to create a geometry/geography column based on those fields (Lat and Long) but unfortunately without any success. My...

I have a point data layer (vector) that I converted to a raster layer. I want to replace the NoData value (between each raster point) in the point raster layer by 0. So, I made a background raster layer (value = 0). My plan was to add the background layer of 0 to the point raster layer, but...

When I try to install patch analyst 5, I get this message: The installation wizard shows that the installation was successful. However, when I go to add patch analyst to the tool bar, nothing happens. I try to the software from the folder but I am told nothing was added. Does anybody...

I need to convert Sql Server latitude /Longitude to geometry datatype I have just imported a csv to my table in my database. Table consist ID Begin_trip Lat Begin_trip Lng Drop_Lat Drop_Lng Does anyone know how I will be able to convert the lat and long of either Drop or Begin_trip...

I have a set of daily modis LST rasters over a roughly 13 year period (2002-2015). I would like to group them by 10 day periods, i.e. bin 1 = julian day(jd) 0-9, bin 2 = jd 10-19, etc so that I can then apply statistics to these 10 day groups. How can I apply this grouping using python? I have...

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I am trying to create a temporal heat map using this template: https://esri.github.io/esri-leaflet/examples/visualizing-time-with-feature-layer.html I would like to show the symbology based on a value field. How would i go about doing this? أكثر...

I'm very new with mapScript, I'm looking to change a layer order with mapScript. My ms_newMapObj is a merge of many mapfile so I don't know the index of the layer I want to move up. I haven't find how to associate the layer with the drawing index given by getLayersDrawingOrder. This method...

QGIS 2.12 was supposed to be released today. I don't see any update on website ? أكثر...

Por Gina McCarthy Este verano, la EPA public أكثر...