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I am using OpenLayers 3 and got blocked. My goal is to draw different objects on map , the retrieve info about the created object. Using the documentation i found how to draw different elements , my problem is that i want to make a popup to ask if to create this object or no. Besides that i am...

I have coordinates (sampling points) as part of a larger excel file that I am trying to convert to a .shp file to overlay on a map. When I add them to Arc as XY data they display just fine, but when I export to .shp file I lose my points. When I select zoom to layer it zooms way way way out...

I am using QGIS 2.8 to create a template for a dataset library. Lots of layers - vector and grids. The grids stay visible in the legend even when turned off in the map. I am using the "Filter Legend by Map Content" button but it doesn't work on the grid legends. Other than manually hiding each...

I hope you can answer this question for me. Why to many river mouths of the northern California open and face to the north west? Is this based on ocean current flow? أكثر...

I have an instance of GeoServer running where I want to categorise the various layers into a nested hierarchy using container tree layer groups. This would make the layers easier to navigate when using something like QGIS's Add layer from WMS Server interface. The layers would be grouped like...

I have a set of maps in few formats : TIN <blockquote> أكثر...

I have a couple of large sets of imagery I need to mosaic using GDAL. The sets are currently in tiff format with 18 tiles totaling about 20gb in size. I have attempted to mosaic using both the gdal_merge.py and gdalwarp utilities. The results are either a completely black raster or only white...

When I close an arcmap project and then reopen it, even though I save the mxd, the toolbar arrangement is not the way I left it. Is there a setting or some way to save my toolbar locations? أكثر...

A good logo is hard to come by. I love the logo of Korean National Park Service. It’s simple, beautiful, has elements of complexity to it, and makes a simple statement: land of mountains and sea. The mountains and the sea are sources of life in Korea, from the resources and farming found on the...

I have successfully created a custom dialog box which uses an array to read in a list of developer names from a table, and populates the selected record based on the row number pulled in from the developer table. Table is Developer ID Developer Name1 A developer2 B...

I want to join two feature types in my WFS in a union. How can I achieve this using CQL? E.g. http://localhost:8080/example/ows?service=wfs&version=2.0.0&request=GetFeature&srsName=epsg:4283&typeNames=type1,type2 This returns an error: Join query must specify a filter I'm trying to append...

This is the third video about creating a WebMapping application using PostGIS, Geoserver and GeoExt. In the first tutorial of this series, you learned how to create a database in PostgreSQL / PostGIS and how to import data in Shapefiles format. Then, to allow displaying this spatial information...

التحليل المكاني لمواقع المدارس الحكومية في مدينة النجف الاشرف GIS باستخدام م المعلومات الجغرافية المهندسة زينة أياد جابر مديرية ماء النجف * حقوق الطبع والنشر تنويه : هذا الموقع لا تخزن أية ملفات على الخادم ولا تقوم بالمسح الضوئ لهذه الكتب. نحن فقط مؤشر وصلة المحتوى التي توفرها المواقع والمنتديات...

Winds and wave refraction give the area around Provincetown a distinctive hook shape. أكثر...

I've been trying to test the Viewshed analysis plugin on QGIS 2.10, but it keeps giving back error messages. I've tried to reduce the radius area and have also reprojected both my DEM and my point shapefile to UTM, in order to avoid a possible memory error mentioned in another question regarding...

I am trying a simple joinfield in arcpy and i keep getting the error: Execute error: ERROR 999999: Error execution functionGeneral function failure [AA]failed to execute JoinField Below are tables: TABLE FEATURE CLASS TABLE arcpy code: fc = "AA" tb = "tb3" fd = [f.name for...

I have built a vegetation map from a set of historical photographs from 1912. The photographs were taken from the ground (ridges and peaks of mountains), and I have developed a method of georeferencing these images and extracting gridded data of the vegetation types visible. However, there are...

استخدام منهجية التحليل المكاني في تقييم الملائمة المكانية للتوسع الحضري لمدينة الكوت المستخلص يهدف هذا البحث تقييم الملاءمة المكانية للتوسع الحضري لمدينة الكوت للفترة المستقبلية أكثر...

These five documentary vignettes were first publicly shown at the ASPRS 75th Anniversary Annual Conference in Baltimore, March 2009. They attracted much attention and many requests for additional accessibility. أكثر...

Simple task question. I have added XY coordinates to map layers. In the coordinates I have long and lat specified. So these coordinates now show up as points on my map. However, I want to be able to color each coordinate point different colors. Any tips/explanation? Thanks! أكثر...