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Genevieve Gariepy and others have published an interesting paper on a method for allowing lidar to see around a corner. Here is the abstract. The ability to detect motion and track a moving object... Click Title to Continue Reading... أكثر...

Integrating Open Source GIS Software in Undergraduate Curriculum, Research, and Outreach – Recent Experiences at Salisbury University— Arthur J. Lembo (Salisbury University) The Department of Geography at Salisbury University has a long tradition of teaching geographic information science. Until...

Bonjour, je cherche à représenter le tissu urbain d'une aire urbaine. Pour cela je souhaite sélectionner sur la couche contenant tout le bâti, ceux qui sont à une distance inférieur à 200 mètres à partir du centre de la plus grande ville et lorsqu'il y a une rupture et qu'un bâtiment se situe...

I found mapbox source of tiles that doesn't require access token (http://a.tiles.mapbox.com/v3/mapbox.natural-earth-hypso/page.html#3/0.00/0.00).Does it mean that I can use it without view limits (50k of views in standard plan)? أكثر...

لمحة: إن الماء الجارى بما يقوم به من نحت ونقل و ارساب هو أهم عوامل التعرية جميعا وأبعدها أثرا فى تشكيل سطح الأرض . ولا يقتصر أثر الأنهار على المناطق الدائمة أو الفصليه التساقط ، بل يتعداها إلى الأقاليم الصحراوية التى قد تسقط عليها أمطار فجائية بين حين وأخر فتنشئ سيولاً جارفة تحفر لنفسها أودية لا...

MAGIX Video Pro X7 v14.0 BiLiNGUAL-CYGiSO MAGIX Video Pro X7 v14.0 BiLiNGUAL-CYGiSO | 3.25GB MAGIX Video Pro X7 is the perfect editing software for intuitive and powerful video production. This multi-award-winning video editing suite is geared towards the unique requirements of ambitious and...

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I have encountered a, to me, strange behaviour in the histogram function of QGIS (2.2.0 Valmiera on Windows 7). Basically the same image produce totally different histograms. I might have missed something fairly obvious, but I'm not able to find out what, and I have not been able to find any...

I have a set of polygons in ArcGIS 10, which I want to label. Despite setting the Unplaced label icon to "on" and using an expression for the label (so that all objects should be labelled), not all objects are being labelled, whether using the standard label engine or Maplex. I have tried...

If we have a table in SQL Server which was used as layer in ArcGIS. Can the same thing be done in Google Earth? I mean does Google Earth support adding custom layers? If so how? أكثر...

I am working on a 3D project so I have to georeference 3D buildings which are created by 3D designer. Does anyone know the solution? أكثر...

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Here's my fiddle.http://jsfiddle.net/zippyferguson/z5xynh9f/2/ If you click on a point, an infowindow will appear. I want any infowindow to disappear on zoomend. Why doesn't this work in the map.EachLayer iteration? layer.layers[0].sub.infowindow.set('visibility', false); Was going by...

I am new to Python scripting in ArcGIS but not new to ModelBuilder. I would like to know the benefits of Python vs ModelBuilder. When should we write Python script for GIS automation rather than use ModelBuilder? What are the automation capabilities of Python that we cannot find in...

I have a geotiff file with multiple layers (46 layers), each layer corresponding to a different date (the geotiff layers corresponding to sea surface temperature, 1 layer per year). I imported this geotiff in geoserver, but I can't render it with the geoserver visualisation tool (based on...

I do have DEM approx. 40x5km with cell size 2x2m, which gives approx. 50 000 000 points. I need to export it to .xyz (1pt = 1 line in format x y z) file in order to use it in MIKE21. It seemed like there is loads of tools that will do it (I do have access to Arcinfo 9.3.1 and 10), though I'm...

I'm beginner of ArcGIS and Remote Sensing and I have many problems with the procedure. One of them is that I have NDVI images and Soil map. Both are at the different resolution: NDVI is 250 m and soil map is 1000 m. How can I change the resolution from 1000 m to 250 m.? أكثر...

I am trying to use ArcMap's Field Calculator to populate values in a column based on a value in another column. So, in pseudo-code: if [field1] = 'Foo' set [field2] = 'Bar'endifSomething like that. Test for 'foo' in the first attribute, and set the record's second attribute to 'bar.' Seems...

I'm trying create stream channels with r.watershed grass64. However, it show up two or three parallel lines to set same stretch of river. The river is large in some parts, but is just one. Someone know if exist some tools to fix this? I tried use v.clean with some parameters, but unsuccessful...

I need to reinstall GRASS 6.4 on this Ubuntu computer due to compatibility issues. I had installed GRASS 6.4 a few weeks ago to work with a simulation program. I used the command apt-get install grass as explained at the website https://grass.osgeo.org/download/software/linux/. Later I...