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I have 15 annual MOD44B (vegetation continuous field) HDFs for 2000-2014, working in Arcmap 10.2. Each contains several bands. The two I'm concerned with are "percent tree cover" and "quality." The quality layer is an 8-bit integer product, where each bit in a pixel represents one of 8 inputs to...

I have a DEM that I would like to smooth or generalize to remove topographic extremes (chop off peaks and fill-in valleys). Ideally, I would also like to have control over the radius or level of "blurriness". In the end, I will need a set of rasters that range from slightly blurry to really...

7 Reasons All GIS Professionals Should Learn to Program with Python أكثر...

Congratulations to Brittany Burdelsky on being named GIS Online Student Spotlight for her outstanding work in Remote Sensing (GIS 4035) Welcome to the spotlight, Brittany! Brittany lives in Aurora, CO with her husband Greg and cat, Howl. She is a graduate of FSU and FAU, with degrees in...

Well it’s radar, not lidar, but it’s still 3D and the potential for this technology is pretty amazing. Google has invented a device that can track the smallest movements of the hand... Click Title to Continue Reading... أكثر...

I have a file with a points layer and a lines layer. I would like to select only the points that lay within certain distance (a couple of meters) of the lines. Is there an easy way to do this? Or should I create a new polygone layer wich forms a kind of buffer around te lines and then use the...

Is it possible to use an environment variable in qgis project file (*.qgs)? For example : dbname='QBASE' host=10.1.1.1 port=5432 user=USERNAME sslmode=disable key='gid' srid=0 type=MultiPolygon table="public"."geo_zone" (geom) sql=I need set value of environment variable "USERNAME" to value of...

I have a mapserver installed (Ubuntu Linux 14.04 LTS) with a world.map file which gives me a proper result when I access it as follows: http://localhost:19090/wms?map=world&layer=world&mode=map&FORMAT=imageHowever, when I access it using...

QGIS: is it possible to add annotation from ArcGIS "Annotation Layer" JSON data I know it is possible to add a vector layer into QGIS from an ArcGIS 'Feature Layer' - either directly from a MapServer query URI, or from a downloaded GeoJSON file. I would also like to add annotations from an...

I have a point type WKT geometry column in a MySQL table storing the location of some stores. I want to display it on a leaflet map on my website. I've found plenty of tutorials to doing this on leaflet official website from GeoJSON data. But I found no precise documentation which clearly...

I am trying to change the a raster's NoData value with ArcObjects and keep coming up short. Here is the code that I thought would work: IRasterDataset _dataset = ...get the dataset...object[] noDataValue = ...set the no data values by raster band...var rasterbandCollection =...

لمحبي برامج الرسم الهندسي وبرنامج الاوتوكاد الرائع نقدم لكم مجموعة مفيد وممتعة من المراجع لتعلم الرسم في اقوى برنامج رسم هندسي و تعلم الرسم الثنائي وثلاثي الابعاد .. مهمة لمن ارد تعلم مبادئ الرسم حيث تقوم بشرح العناصر الاساسية في تعلم الرسم على الاوتوكاد و هي شاملة لجميع أقسام و باستخدام...

The Google Earth cache not only provides significant performance benefits but also allows Google Earth to be used offline. For more on how to do this, see this post by Frank. The cache settings can be found in Tools->Options->Cache. A common complaint by Google Earth users is that the maximum...

En este post vamos a ver una nueva utilidad de utilizar de la librer أكثر...

Does anybody knows if there is the ability to check a layers datasource, if it is an direct connect to a database or if an ArcSDE service is used? For both the esriDataSourcesGDB.SdeWorkspaceFactory is used. Maybe there is a interface? أكثر...

I made a new plugin for QGIS and I want to include it to the Processing toolbar. I can't find a good hint on how to do it cleanly (applying answer of this question on my algorithms seems dirty). So, how to do it? I built the plugin using Plugin Builder and I already published it (FYI, it's this...

Introduction I am working with leaflet api....where user can put markers on map... I have made a custom button for putting marker... Problem I am willing to draw line between those markers i.e. using L.polylines().... but as i am new to javascript and leaflet i can't understand how...

Everything works fine when not using -z. But using -z and only wanting 0-1, i run into an issue that is best illustrated as below. C:\python\WinPython-64bit-2.7.6.4-gdal\python-2.7.6.amd64>python gdal2tiles.py -v -p raster -z 0-1...

I am in the process of generating a large set of tiles from a .vrt file composed of many images. The image is following a road section, being very long and small strip of images and due the shape of the road the bounding box around it contains a ratio of 80% no data and 20% beign the actually...

I'm trying to generate tiles for a region with a surface of 85k km2. The data source are MrSID files (2734 files). I'm using gdal to achieve this task. It works fine with a small subset of MrSID, but with all the source files it would take more years than I could live :). My process for...