نتائج البحث

Has anyone tried using QGIS with Windows 10 yet? Does it work? I would be grateful for your advice. أكثر...

2015-08-05 13:19:52 | De voorbereidingen voor het evenement GeoBuzz 2015 zijn in volle gang. Op dit moment is het aantal inschrijvingen al verdubbeld in vergelijking met أكثر...

سلام دوستان کس أكثر...

wonder if anyone can help me. I make a network analyst (Closest Facility) analysis. I will be driving from "Incidents" to "Facilities". My "Facilities" is the population center in a municipality. In "Facilities" I have a column "POP" that says how many residents who are in the population...

I couldn’t figure out what is the advantages\disadvantages of applying the “allow clients to export cache tiles”in the ArcGIS server when setting advanced cache settings. أكثر...

I try to automatically zoom map to maximum extent of layer after adding layer to map. I tried to code like this. var layer = OpenLayers.Layer.WMS(.......); map.addLayer(layer); map.zoomToExtent(layer.getDataExtent()); But it doesnt' work. I also changed like this...

I have a polyline spatialite database, tried to perform repair geometry in QGIS using python with the following code: from pyspatialite import dbapi2 as db conn = db.connect(r'D:\db.sqlite') cur = conn.cursor() repairGeometry = "UPDATE the_table SET GEOMETRY = ST_MakeValid(GEOMETRY) WHERE...

Bonjour, Dans le cadre d'une sortie terrain, j'ai pris un certain nombre de photos avec un appareil disposant d'un GPS. Je souhaiterai récupérer un nuage de points en format .tab de ces photos au format .jpg, directement géolocalisées. Je suis débutante sous mapinfo, et j'ai fait quelques...

I have a reader whose attribute names are so long that I can´t read them in the workbench. Is there anyway to invrease the size of the reader element? With the mouseover the attributes can be read,but I need to scan them visually quickly. أكثر...

I am running an area intersection query on two large multipolygon tables (a few million rows). SELECT r.geomFROM public.my_table rWHERE EXISTS ( SELECT gid FROM public.my_table_intersection WHERE r.class = '2' AND st_intersects(r.geom, geom) AND ST_IsValid(r.geom)...

I don't know so much GIS specific terminology, so I am sorry for using the wrong words. I'll try to make my point clear by first describing what I want to achieve and then what I tried. [goal] I am working with tweets that I have stored in a csv file. Now I want to visualise them on a map. I...

is there anyway to set tolerance in Postgis, in Arcgis tolerance is the minimum distance which could separate two points, if the distance between them is smaller than the tolerance so the points are considered overlapped. i need to set this parameter because i get some weird results using...

I am trying to do some processing on some very large polygon layers. However I am running into various geometry errors such as: NOTICE: Ring Self-intersection at or near point 470396.52017068537 141300.52235257279CONTEXT: PL/pgSQL function st_intersection(geometry,raster,integer) line 10 at...

I am having problems with the arcpy.ValidateFieldName function in combination with unicode characters. I want to add a field to a shape field. The field name is not allowed to be bigger than 10 bytes (or at least I think so), but ValidateFieldName cuts it off at 10 characters. Since a unicode...

Okay so basically the concept the device works on is that our accents and our individual unique voices come from the vibration of our cartilaginous tissues.So everybody's voice is determined by the vibration frequency of your vocal cords.So if you could create a small device that you could...

I'm developping a GP Tools with .Net arcObject SDK.I would like to debug my GP tool but i'havent' figured how.I'have try to enable background processing in Geoprocessing Options and attach process to my Visual Studio but the GP tools vrash with the ERROR 000820: The parameters need repair.If i...

I have 2 .shp layers in my workspace, polyLayer and pointLayer Using PyQGIS I'd like to be able to get the distance from the point to the nearest boundary of the polygon. I've done this sort of thing successfully in PostGIS. It seems like it must be a very commonly used query, but I can't find...

Can anyone help me use ArcGIS in JavaFX. I have a sample code but it's in swing application. Sample code for creating a map I would like to use it in JavaFX. Any suggestions? أكثر...

I'm creating a QGis Plugin in python which has a QGraphicsView in which I draw and ellipse on which I want to detect if the user clicks. I know the ellipse inherits QGraphicsItem which has a mouseReleaseEvent but I just don't know how to listen for an event. self.scene = QGraphicsScene()...

I know programming in Java and I am familiar with GIS concepts as well. I do GIS programming using javascript and PHP. I want to now do it using Java. How should I go about it? PLease let me know where I should begin with? Links to tutorials or simple Java based GIS project works will really be...