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To test our LIDAR-Lite laser telemeters, we have built an infra-red laser harp which sound a note depending on the measured distance. Continue reading → Click Title to Continue Reading... أكثر...

I want to divide the whole image into map sheets. The tiling or clipping functionality doesn't seem to do it. أكثر...

What do I download from http://www.gisinternals.com/stable.php for Win7-32 to cut 1:1M map sheets out of Australia.ecw file in GDA94/Geographic and save them as geotiff in WGS84/Geographic? I would like to automate the process to cut all of the 1:1M map sheets then reproject and convert them to...

Hopefully I explain this properly. I am trying to check if a route falls into another route I have created. The route is saved as a linestring. My search query is: SELECT idFROM routesWHERE ST_Contains( ST_Buffer( ST_GeomFromText('LINESTRING($route)'), 10, 'endcap=round...

I have a web application that needs to know the geometry type of a PostGIS table's geom field before inserting rows into it. I use the following query to determine the geometry type of the geom column: SELECT GeometryType(geom) FROM my_schema.building LIMIT 1This returns the geometry type of an...

I want to create a database view in Postgres/PostGIS which returns a subset of the points stored in another table called locations. The subset is defined by an area stored in yet another table called district. I came up with the following query inspired by this answer: SELECT l.*FROM...

We have a property search site where the user draws a polygon on a map and then the app displays all properties that fall within the polygon. We have properties stored within a Postgres table that included the longitude and latitude values for each individual property (ie: Property.Id...

I'm new in PyQgis. I can create vector layer and lines/polygons on it : layer = QgsVectorLayer("LineString", "points", "memory") pr = layer.dataProvider() pt = QgsFeature() point1 = QgsPoint(0,0) point2 = QgsPoint(100,100) pt.setGeometry(QgsGeometry.fromPolyline([point1,point2]))...

This seems too simple to be asking this but I am really new to PostGIS/Postgres have been going around in circles with this. I am performing a really simple spatial query where I would like to make a subset of a table of points conditional on whether they are contained within a polygon in...

How to create database site GSM by Mapinfo. In this video, an*introduction how to create database site GSM network by mapinfo. This file will support you can RF optimization network. supporting detect case co-channel and adjacent channel (BCCH) and more.. It uses mapinfo tool that is MIPT3G. You...

بدأ تدهور حالة الطرق الإسفلتية يطرح مشكلة صيانتها على المدى الطويل، حيث يتطلب الحفاظ عليها عمليات حفر وبناء واسعة النطاق ذات تكاليف باهضة، الأمر الذي يطرح ضروة البحث عن بديل. ولذلك اقترحت شركة هولندية تسمى VolkerWessels بالتعاون مع مدينة روتردام تطوير وبناء طرق بلاستيكية سهلة الإزالة...

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Does anyone know where I can find GIS shapefile or other data for the electric transmission line system as well as water/natural gas and other pipeline systems for Southern California? Notably San Diego county? Thanks أكثر...

I'm trying to connect to a personal database in ArcGIS 10.2 that contains work that I've spent the last two weeks working on but I am now receiving an error: Failed to connect to database. An underlying database error occurred. Unrecognized database format 'F:\streets.mdb'. Operating system...

Do you know if Google offers a public API to display pictures in a map as they do with Panoranio? Just to be clear, I don't want to use Google Street, or publish my pictures anywhere in the Internet, but just have blue dots as you can see in this map if you drag and drop the orange little guy...

I am using ArcGis 9.3, Windows XP and want to know if it's possible to have symbology in my polygons not rotate with data frame when I switch between mapsheets in my map series? Any help would be greatly appreciated Oh yeah - I do NOT have MPSAtlas or PLTS. I DO have DS Mapbook installed, and...

TweetYes indeed, just in the nick of time, our friends Martha and Jim have shared details of the latest update to the wonderful and useful GaslampMap.com. Use this handy resource while in San Diego attending ESRIUC, Comic Con, or ??? and have access any time any place to all the latest and...

Hi all, I have installer for ArcGIS Pro 1.1 but no crack. Download from this link https://www.mediafire.com/?n18syletmdi79n8 Hopefully someone will come with a working medicine. أكثر...

Situation: I work for a company that creates geodatabases for a client that are restricted to a specific boilerplate schema (eg domains, subtypes, etc.). During a recent draft review, the client complained that when zooming to full extent during an ArcMap session, the full extent was too...