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I cannot get QGIS's (2.8.2 Wein/Win 7) georeferencer to work for the life of me. I select points, set the CRS, run the function, http://i.imgur.com/lsQUOU3.jpg and the output looks like this.http://i.imgur.com/pGgoBlF.png Blank on the map, set to 0 to 0 in the red band and blank in the others...

I was updating today the plunging qgis2web. After that, I exported my map to leaflet web map and selecting the option Highlight features. the result was that only polygons were Highlight but not lines features. i had a look on index.html generated. this is the var highlightLayer now var...

I am looking to see if there is an implementation example of the Spy Glass widget without ArcGIS Online or Story Maps. I have found the LayerSwipe documentation and can implement that fine, but I have not found a way to do the Spy Glass version in my own implementation. I am using it in a...

We recently came across this image from NASA’s Earth Observatory, which shows smoke from fires on the island of Sumatra, Indonesia. Given the scale of the phenomena we thought it should be visible in Landsat imagery. To get the imagery, we used the technique outlined in this post. Landsat 8...

We have posted a poll on the main Lidar News homepage asking whether our readers would be interested in us hosting a user forum. These are not easy to get off the ground, but once you get to critical... Click Title to Continue Reading... أكثر...

The Partnership for 21st Century Learning, P21, has teamed with the Pearson Foundation to capture and share exemplary 21st century learning practices that are improving schools, student learning and opportunities in classrooms and communities across the United States. In addition to...

By Gina McCarthy This summer, EPA issued our historic Clean Power Plan, one of the largest steps America has ever taken to combat climate change and protect future generations. The Plan puts the U.S. on track to significantly cut carbon pollution from power plants – our nation’s biggest single...

</br> Note: I received an advance copy of this book for free from the publisher. I offered that I would review the book if I liked it.* </br> I was first introduced to HOW books through Jim Krause’s excellent, and snazzily “flexibound,” Color Index 2. This publisher knows how to design books for...

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As a lot of you know I am usually doing either cartographic design or hardcore GIS data processing with FME (and sometimes I have projects where both are combined). The next 2 months are going to include a lot of FME stuff so to balance that I want to produce a nice map, a labor of love, which I...

To highlight an area on my map I need to make a circular hole in a polygon. Actually I only manage to make a rectangle hole, for example using Polygon's appendLinearRing function: mypolygon.appendLinearRing(new ol.geom.LinearRing([ [239850, 5069850], [239850, 5070150], [240150...

Is it possible to consume tiles {z}/{x}/{y}.png or jpg in ArcMap? I heard about arcbrutile but I need an xml file to add each provider and I don't have access to this files. Thanks أكثر...

I would like to know how we could do in QGis to get a list of object contained in my different opened layers: We have n .SHP files or PostgreSQL Views (they all contain at least an "object type" column and an "object id" column) opened in a QGis Project to make a map. When the map is done, I...

I received 3 .mat files that each contain several daily maps. I need to take them and get them into ArcMap (10.2 if that matters) as a .tif with spatial information. I have already used the R.matlab package to read the .mat files and successfully did it for one day, however I do not want to have...

When using ArcGIS while in layout mode, after a variable period of time having an open ArcGIS project, the mouse cursor will get stuck in "Auto-Pan" mode. No matter which tool I select from the toolbar, the cursor stays the same. If I hit the "C" or "Ctrl" key repeatedly, the cursor will assume...

If you’re a GeoGeek, cartographer, developer or you simply need to find a particular place on a map you’ve got two main mapping environments to choose from: Google Maps and OpenStreetMap… and I guess that you might be asking yourself: “Why would I use OpenStreetMap if there is Google Maps?” WHY...

Hello I need to stored for all my dates, some units meter international (in, meter, kg, m^2, etc.), on what is measurement for each column from database. How can make? أكثر...

I have this home made geoJson: {"type": "FeatureCollection", "features": [{"geometry": {"type": "MultiPolygon", "coordinates": [[[[2.28313, 48.84024], [2.28297, 48.84011], [2.28282, 48.83993], [2.28186, 48.83953], [2.28141, 48.83933], [2.28114, 48.83908], [2.28081, 48.83889], [2.28016...

I have a project for which I need to highlight areas which fulfil the following criteria: within a specified distance from the sea shore within a certain elevation range relative to sea level For example highlight all land which is within 800m of the sea and more than 100m above sea level...