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Let's say i have at least 3 Layers. I want to reshape a polygon of layer 1, tracing a polygon from layer 2. This is no problem if you have only those 2 layers.But now I need layer 3 (or 3 to 10) turned on for information when tracing layer 2. What can I do that the trace tool only traces layer...

I have created a map app, that displays a few points with their attribute data.The problem I am facing is that the point icons get clipped when serving the map.I have read this answer as well as this one, but none of them seem to be working for me. This is what I get when debugging and...

I'm going to do a trip and I want to have a custom map on my website. My idea is to have a map similar to this one for example. So I need to add images (svg or jpg) to the base map. I want a clean base map, so I don't like using Google Maps for this, that's why I'm trying a more custom...

I am working with NetCDF files using R & Matlab and I would like to know if the GIS community is using them. I know that ArcGIS can open & display, however most of the times the results are not good, since the structure of the netcdf files is always different. I would like to know what kind of...

Thomas Fargernes is proud to release his latest QGIS course on discoverspatial.com The course is called “QGIS for Field Work – Features for the Field” and is the first part of a series of 6 courses created with the field user in mind. The course will cover how you can configure QGIS to be used...

كشف "ميدان ون،" ومقره في دبي، النقاب عن مشروع جديد، من المتوقع أن يحطم مشروع "ميدان وان" في دبي خمسة أرقام قياسية كأعلى ناطحة سحاب في العالم، وأعلى مطعم، وأكبر نافورة راقصة، وأطول منحدر للتزلج على الجليد، وبامتداده على 3.5 ملايين متر مربع. وسيغطي المشروع مساحة تمتد لحوالي ثلاثة ملايين ونصف...

Bonjour débutante sous QGIS, je cherche à créer automatiquement des points géolocalisés en centre de polygone. Explication : je possède deux fichiers, - les communes IGN géolocalisées, avec les coordonnées du centre de chaque polygone et avec le code INSEE - un CSV avec un nombre...

The ASCE has created a new institute that includes the surveying profession. UESI – refers to Utility Engineering and Surveying Institute. There will be a lot more information to come on this,... Click Title to Continue Reading... أكثر...

Summary: FORT MONROE, Va. — The U.S. Geological Survey, in cooperation with the Fort Monroe Authority, has installed a new tide gauge station at Fort Monroe to help emergency planners protect the shorelines in the Hampton Roads region. Sensor to Provide Vital Information During...

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On a shared computer, I have a QGIS project which links up to a PostGIS database that contains my data. If a user wants to access layers from the db, they have to enter the db credentials, so that's OK. However, I have previously logged on and imported layers from my db into QGIS, and...

how can i identify orientation of a building in reference to another rectangle (eg building located at North side or south side in reference with campus). in FME there is a way to find out? أكثر...

I recently downloaded and installed GeoServer 2.6.2.One of my other colleagues asked me to add an SQL store for a proof of concept we are doing. When navigating to the "add new store" page I could not find the SQL store. I have followed the instructions in the documentation, but cannot seem to...

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لام عليكم ورحمه الله وبركاته اعضاء المنتدى الكرام يتشرف مركز الخبرة الحديثة للتدريب والاستشارات دعوتكم للتسجيل بالدورة المؤكدة: دورة التقنيات... أكثر...

I have a table with many collumns, some of them are "lon/lat" and "Name". After I draw objects on a map. -How can I make a layer by the content of the collumn "Name"? -How can I make a legend automatically? for example: red ---2G Blue---3G Green--2G&3G Thanks in advance. أكثر...

My first post here.I'm designing a map at 500.000 for Italy and with EPSG 3035 or 3034 (Lambert Conical Conformal) I'm still deciding... anyway...In my map I've several points whose symbol is a sort of "rose of winds" and I need they will remain aligned with the Grid North.How could I do that? I...

I am loading a s57 file, I select only some layer to be displayed.I am under QGIs 2.8At this point it is ok, the coordinatereferencesystem is EPSG4326 WGS84and at the bottom of the windows of qgis the coordinate is good the xmin is about 5.87 and the xmas is 6.01, and the ymin is 43.05 and the...

I have lines (pipes) and points (junctions). There is one point at each connection between two lines, so that every line has a start and an end point. Now I want to fill the attributes "start point" and "end point" in the line-layer with the ID's of the respective points. The process has to be...

I have been researching for a tool (open source) for importing collada (.dae) file into postgis and i have found this collada2pgsql command. I really don't know where to find it but it seems to be helpful for me. It states it can import collada files to postgis but the problem is how and where...