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I am using ArcGIS 10.2 for Desktop. I have a model which contains several branches, which branch should run is based on the results of an earlier stage in the model. If the first stage of the model returns a Null result Branch A should run otherwise Branch B should run. I check for a Null...

I have used OpenLayers2 in order to show a layer with points from Geoserver. I try now to transform the code from Openlayers2 to OpenLayers3 but I am facing some issues. I have walked through this nice tutorial: OpenLayers3 and I have a good understanding of how to add layers from localhost...

I would like to run an external executable written in fortran which provides one of the inputs inside a python code. Is it possible to run that exe inside Python script? أكثر...

I am trying to create an empty MXD to act as a template. I will have three dataframes for maps, each holding a different object from ArcSDE (1 raster object and 2 features). I know how to query all of the data frames, but I am having trouble finding out how to add data to the dataframes...

Back in 2006 Frank created a thanksgiving card for Google Earth. Today we are looking at how to go about creating your own Thanksgiving greetings cards with Google Earth. Firstly, you need an image with your Thanksgiving greeting. The easiest is to simply find a suitable image by doing a Google...

It's a pity that QGis offers to set transparency in the selecting color tool, but doesn't save it... Explanation :I guess that the AA (in French, sorry) in #RRVVBBAA would enable to set transparency (0% => AA = 00 ; 50% => AA = 80 ; 100% => AA = FF).The same thing with rgba (r, g, b, a) where...

I am running into an error. I have a set of functions which I want to import in the python Add-In script at the time of execution, but when I built Add-In with "import stats" line then tools are unresponsive. Any suggestions whether it is possible to import functions in the Add-In script...

Jamal ATTARI Directeur du CRI : la région Gharb-Chrarda-Beni Hssen est riche en ressources hydriques, dispose de grands barrages et d’importantes infrastructures hydroagricoles. Elle constitue le périmètre d’irrigation le plus étendu du pays avec une superficie de 178.000 ha. Sa superficie...

Microsoft Project يوفر لك طرقًا جديدة وسهلة لتنظيم المشاريع وتتبعها. ويمكنك الاستفادة من الميزات المرنة التي تساعدك في بدء العمل بسرعة وزيادة الإنتاجية والفعالية. فضلاً عن ذلك، يمكنك إنشاء تقارير حديثة لقياس مدى التقدم ومشاركة تفاصيل المشاريع بفعالية كبيرة مع فريق العمل وحملة الأسهم. كتاب MS...

Bonjour, Je cherche à attribuer une couleur aux polygone en fonction des valeurs "red" "green" "bleu" de la table attributaire de la BD Foret. Pour être plus clair, j'aimerais catégoriser cette couche en fonction du libellé et attribuer une couleur automatiquement grâce au colonnes "red"...

Whenever i zoom in print composer it jumps either in or out in steps not smoothly. I can not zoom progressively neither can i choose an area by using the magnifier. I am working on a map of islands and they are either represented very small in a large mass of water or the outer islands are not...

I got the esri js api 3.14 deployed on a server and an application that is reachable over https. Now I got a proxy script that delivers the map requests. When you look at the requests of the page you can see that there is ONE request (an info request to the rest interace) that goes directly to...

I want to make a custom application which includes an option just like the "Select Features by Polygon" feature in the qgis. I am able to draw the polygon using following code: self.rb = QgsRubberBand(self.canvas,QGis.Polygon) vertex = QgsPoint(point.x(),point.y())...

I want to extract the different points of interest from OpenStreetMap. Some of them are represented as ways (e.g., a large sport center might be represented as the building, i.e., as a way), others are represented as nodes. I am using Osmosis to export these elements from the Swiss version of...

I'm rather new to PostGIS but I have done a lot of reading. One thing that I have been searching for is a function that allows users to create a "spider diagram" (also called "desire lines" or "hub lines") in PostGIS. As an example, draw lines from a grocery store (point) to all geocoded...

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I am trying to figure out a way to convert a datetime stamp of the last_edited_date (tracking changes) that is stored in UTC to local time. I am putting together a map service that allows our heavy equipment folks to update road conditions for our campus during a snow storm. When users view...

I have a polygon shape with nearly 60 000 features (at around 3 000 square kilometres) in QGIS 2.12. I try to delete duplicate geometries from this layer and the algorithm runs until 99%. Then QGIS crashes (this also happens when I use version 2.8). Any suggestions why this happens? Because of...

I have a polygon layer where every polygon has a unique ID, and another polygon layer where those unique IDs can be found in a column in a one-to-many relation. I would like to have QGIS draw lines from the polygons in the first layer to the polygons in the second layer in a way that reflects...

I'm working on a python toolbar addin and want to open a custom script tool as a batch process upon clicking a button. Is this possible using pythonaddins.GPToolDialog()? I can open as batch by simply right clicking on the script tool and selecting "Batch" in the Catalog window but would like...