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When Google Earth was first introduced 10 years ago, it immediately stole my heart. Beyond the freedom to fly anywhere in the world, I was captivated by the ability to paint and visualize geographic data on this incredible global canvas. Drawn to datasets backed by real human stories, I started...

The*Global Trachoma Mapping Project (GTMP) is the largest disease-mapping project ever undertaken. *In an attempt to eliminate the disease by 2020, the mapping effort seeks to distribute locational data to governments and aid agencies. *Trachoma is*the world’s leading cause of infectious...

I have a layer that is classified using graduated colors. I have set it to a manual classification with 7 levels. My 1st value of 0 is not needed anymore. How do I remove the 1st level of classification. So that my manualy classification starts at 0.000001 -1000000.000000? So that it looks...

I’m having an identity crisis. I was a Geology Major in College. For a while I was registered with the State of TN as a Geologist. When I first started working for the Gov’t, *I was a SE Technician. What was SE? I can’t remember. You progressed up the ladder from 1 to 4 and then tried to make...

A VerySpatial Podcast Shownotes – Episode 519 28 June 2015 Main Topic: An all news episode Click to directly download MP3 Click to directly download AAC http://traffic.libsyn.com/avsp/AVSP_Episode519.mp3Click for the detailed shownotes Music Kentucky Mule by Tate Peterson News </p>New...

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I want to export data in current data frame and use the same coordiante system as data frame using ArcPy as I have multiple files. Any suggestion on how to "Export with data frame's coordinate system"? Following is what I have: import arcpyfrom arcpy.sa import *mxd =...

I want to use the model builder in Qgis, model the NDBI with a threshold value in order to produce a binary image . positive values = 1 and negative values = 0 my question is about which tool I can use in the model builder to create the binary image ?? thnaks in advance أكثر...

I'm working with ArcGIS and the following image is showing the poligons that I have in my shapefile.So, the seleted polygon should be, actually, this selected one + the blank area right below it. This blank area has no attribute related to it. I mean, it isn't a polygon. It is just a hole in my...

I'm trying to spread my ArcMap legend across 3 columns. Ideally column #2 and #3 should have their symbology header / layer name above them (see picture). ArcMap however is of the opinion that either one or both headers should be placed at the bottom of the column before. In Legend Properties I...

I am trying to read shapefiles contained within a geodatabase file (.gdb) into R. The .gdb contains two Feature Datasets with multiple Feature Classes within each. The problem is only one of the two Feature Datasets is being read. Specifically, I am using the NHD dataset for all states...

I've been working on a DEM, trying to calculate the slope. I have it in WGS_1984 and re-projected into NAD_1983_MTM_8, my preferred projection for this project. Every time I run the slope tool, whether in degrees or in percentage and on either grid, I end up with tiny values between approx...

الموضوع المميز والهام بالنسبه لكثير من الطلاب الهندسه بكافه فروعها وخاصه الهندسه المدنيه والمعماريه و يشمل مراجع مهمة لفهم المصطلحات الهندسية و هي هي على الشكل التالي : Professional English in Use Engineering Professional English in Use Engineering كتاب يحنوى على 1500 مصطلح باللغه الانجليزيه...

will use LiDAR to measure the volume of the void and create a detailed map assessing attributes such as craftsmanship and materials used in constructing the caves. Continue reading → Click Title to Continue Reading... أكثر...

The earth observation satellite Sentinel-2 with Sentinel-2A and Sentinel 2B was launched on July 23rd 2015 from space centre Kourou in French Guiana. The mission is part of the Copernicus mission by ESA. The liftoff was recorded by ESA and can be watched here. Sentinel will be a complement to...

I am looking for geographical boundaries of the Pale of Settlement - a region of Imperial Russia in which permanent residency by Jews was allowed in the 19th century Will manage with most formats thank you أكثر...

The Mercator projection (1536) must be great for nautical navigation. It allows one to find a bearing and keeping this constant one should reach the target (if not in the shortest line). But how did people navigate before this? As an example Magellan circumvented the globe ca. 1520...

I would like to perform an overlay analysis in Python or QGIS to output a list of each shapefile that falls within certain boundaries. I have unsuccessfully tried to use the Spatial Join, Intersect, and Union commands that were described in this similar GIS Exchange post. For each parcel...

I have an interpolated raster image with EPSG:27700 (British National Grid), after I warp it using gdalwarp into EPSG:3857 (WGS84 Web Mercator (Auxiliary Sphere)): gdalwarp -s_srs EPSG:27700 -t_srs EPSG:3857 input.tif output.tifwhich works fine (GDAL 1.10.1), (including a little bit of twisting...

I am trying to figure out what is the best way to set the active view extent to be able to view all the selected features on the Arc Map. 1.The Map has only one layer.2.The features are filtered with attributes. Below is the code where I tried,stuck with the part where I can loop through the...