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I'm trying to write an expression which will return a TRUE or 1 type result if the string in "column3" is the same as the string in either "column2" or "column1". I've tried "column3" IN ("column2","column1") which would seem logically to do the job, but it just returns a blank cell. I'm using...

How can I add a shape that has more than 10,000 features to make a map in Online ArcGIS? Since it is only to show a sample of the work that has been achieved I could cut out information but I don't know how to reduce it to less than 10,000 features. What I have mapped are census tract areas...

Attempting a run-of-the-mill ogr2ogr process with a KMZ file failed: FAILURE:Unable to open datasource `Rail.kmz' with the following drivers.Is there a trick? (Obvious workaround is to unzip the .kmz first, but that's sometimes clunky, and you don't know what the internal structure will be...

How can I get layout widgets objects dynamically? In case of typical widgets it can be achieved by FlexGlobals.topLevelApplication.widgetManager.getWidget(), however i can't find a way to get to the layout widgets like navigation or map switcher. أكثر...

الآن يمكنك الحصول على جزيرتك المتحركة الخاصة! هذه هي "Kokomo Ailand" وهي جزيرة صناعية يمكنها الإبحار من نقطة لأخرى، بارتفاع 80 متراً وتحوي شلال مياه بل حتى محطة لإطعام أسماك القرش. وأعلنت شركة "’Migaloo" عن نيتها صنع القارب في معرض موناكو لليخوت هذا الأسبوع.. أقوى نظرة قريبة لهذا التصميم . لم...

I've written a python script (ArcGIS 10.0) for importing point objects from Excel sheets to our ArcSDE database. This works fine, but I'd like to make this script a bit more custamizable by the user and therefore want to use a python list for updating my data. I've tried the following, but...

I need to increment a row in attribute table: def func (w,v,pot): return pot + ((pot+1 - pot)/(v+1 - v))*(w-v)The "+1" is not the addition of number one to the variable, is the intention to increment + 1 row in that column of that variable. This is because I need to calculate the actual record...

I found punch of posts explaining how to import such file into PostGIS. Is exporting also possible in this case? Using ogr2ogr to generate a .gdb file from query result. أكثر...

I have an ascat bufr over souther south America and I need to project raster data over a map. What is the right projection for this product? I'm lost with this options: ortho, mercator and stereographic. أكثر...

I have a GeoJSON file with a feature as follows: { "type": "Feature", "properties": { "Start Date": "01-09-2015", "End Date": "01-09-2015" }, "geometry": { "type": "GeometryCollection", "geometries": [ { "type": "Point", "name": "test", "coordinates"...

So you want to geoprocess like a GIS guru, do you? From clipping to buffering, you will learn the basic GIS processing tools along with uses & applications The post 7 Basic GIS Processing Tools Every GIS Analyst Should Know appeared first on GIS Geography. أكثر...

A revised and expanded edition of Mark Ovenden's Transit Maps of the World is coming out in early November, presumably because the transit systems, and the maps thereof, have also been revised and expanded since the first edition was published in 2007. (My review of the first edition is here.)...

يسر مركز المجد للجودة وتطوير الموارد البشرية الاعلان عن دورة : *مسائل قانونية وأخلاقية في خدمات الرعاية الصحية* *_باعتماد من الكليات... أكثر...

يسر مركز المجد للجودة وتطوير الموارد البشرية الاعلان عن دورة : *مهارات كتابة العقود الفنية* *_باعتماد من الكليات العالمية التالية:_* ... أكثر...

I have a countries' polygon with an attribute table. I also have a raster. I want to multiply the values of the polygon (of each country) with the raster. My idea was to convert the polygon to raster and use the value I want to multiply with the raster. However, the raster comes with 0 to 255...

On Windows 7, I'd like to install a brand new, fresh installation of PostgreSQL/PostGIS on a laptop, and wipe ALL the localhost servers, users, data and passwords clean, and then reinstall as if it had never been installed before. I have QGIS 1.8.0 running perfectly, but I'd like to create a...

We have recently been looking at our map created from the Google Maps API’s Maximum Zoom data: Google Maps API Maximum Zoom – Part 1: Data collection Google Maps API Maximum Zoom – Part 2: Overview Google Maps API Maximum Zoom – Part 3: Starting on a more detailed look Google Maps API Maximum...

با سلام خدمت دوستان محترم. در ا أكثر...

السلام عليكم ورحمه الله وبركاته اعضاء المنتدى الكرام يتشرف مركز الخبرة الحديثة للتدريب والاستشارات(metc) دعوتكم للتسجيل بدورة دورة مهارات الإدارة... أكثر...

Am trying to expose a vector layer (loaded from shape file into PostGIS) as a WFS layer using tinyows. Following the instructions in the mapserver/tinyows documentation, here is the .map file I have come up with so far: MAP NAME "world" CONFIG "MS_ERRORFILE"...