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Is there any tool or function to create muliple labels on polygons? I've already created point geometries which refer to the polygon geometries but QGIS gets slower and slower with every new feature. How to refer to another layer in the field calculator? أكثر...

I am attempting load ~500 rasters in a PostGIS table. They are .Hdr/.dat files. I am using raster2pgsql. I am able to load the first 260 rasters, but the remaining rasters fail with the following error: Processing 1/198...

I am trying to find all documents for a point that is within a document's polygon. using mongoTemplate to set up my geo index. mongoTemplate.indexOps(Boundary.class).ensureIndex( new GeospatialIndex("polygon"));I have a Criteria2ds that extends Criteria: public class Criteria2ds...

I'm having trouble with GRASS GIS. I'm new to GRASS GIS, I have played around and also searched the internet and the Wiki, but found nothing really helpful, so this is my last chance :) I wanted to use the implemented function "r.sim.water" which simulates overland flow. My dataset is 7,904...

I am using dynamic (attribute-dependent) symbolizers on a vector layer. In this CodePen example, we have the colors of the states depeding on the PERSONS attribute, which given the number of inhabitants of that state. I use the context property when initializing the Style, I use a StyleMap and...

I run QGIS 2.10 on a 64-bit Debian system and am currently trying to do some basic raster vector statistics. However, I found that when applying the Zonal Statistics plugin, I end up with completely wrong values (instead of NULL) in case a zone does not have any raster cells within its...

I am new with leaflet and I need help to change the color of a polygon on a choropleth map dynamically. In my website I have an slider, and depending on the position of the handle, the colors of the polygons of the map vary. So I need to make these changes automatically. I have found two...

Introductory video to working with the ArcGIS API for JavaScript. Covers how to modularize web apps. أكثر...

Fully autonomous driving has always been the goal of our project, because we think this could improve road safety and help lots of people who can't drive Continue reading → Click Title to Continue Reading... أكثر...

Stanford University’s history department recently took its old collection of instructional maps out of storage to hang on permanent display in the hallways. This was an inspired decision, as some of these maps are gems and even the more ordinary ones have some interesting and unusual features. A...

Imagisizer Pro 2.1.3.7 | 1.4 Mb Resizing multiple images using a complicated graphics suite can be difficult and tedious. Imagisizer is a quick and easy to use software solution that can help users resize and convert multiple photos or images at once. The application is designed to easily and...

I am interested in a piece of property for which I have a plat map description, giving what seem to be latitudes/longitudes of lines along the boundaries (not sure about this). The objective is to locate the corners of the rectangular parcel. The data given seems to define some lines (not...

In My Application used VB Front-end C# is the back end language and they are saying like" user login is not required" Why user log-in is not required? how they will monitor user activities or Vb front end applications(User authentication not required) ? we are using Oraclr for DB(PL/SQl)...

01 Wand Orgonite Orgone Positive Energy Generator (OPEG) This small Wand Orgonite Orgone Positive Energy Generator (OPEG) is 3 3/8" long, 19/32" in diameter (a little less than 5/8" in diameter), will glow in the dark at each end and contains 2 Tibetan Crystals (one at each end), a...

بسم الله الرحمن الرحيم السلام عليكم ورحمة الله وبركاته المرفق بحث كتبته عام 1998 وكان محدود التداول ، ولم يعد لذا انشره للتوثيق وللافادة منه في... أكثر...

Guys i am doing a project where i have to export file from shapefile to svg format using Pyqgis. i have read some articles regarding simplesvg plugin but i dont know how can we achieve the same task using Pyqgis. Any Help appreciated Thanks in advance أكثر...

Running an unsupervised (ISODATA) classification in ENVI 5.2 consistently returns the fewest classes possible. For example, set to produce anything between 50 and 70 classes, the classification produces 50 classes. Thinking I had set the range too high I subsequently tried 5 to 15...

Autocad Map 3D – Adding points أكثر...

Although I have installed the OpenLayers plugin, I cannot see it in the list when I click on Plugins. Does anyone else have this issue? أكثر...

<div dir="ltr" style="text-align: left;" trbidi="on">طبعا الأوتوكاد من أهم البرامج الرسومية و الهندسية الذي تمكنك من الحصول على على تصاميم ثنائية وثلاثية الأبعاد لدى فهو يعتبر البرنامج التي لا غنى عنها بالنسبة للتقنيين و المهندسين في معظم مجالات الهندسة. و أمر تعلمه وإتقانه أصبح أمر حتمي يجب...