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I'm not able to create a line in ArcGIS. I started an edit session and began with straight segment. All I want to do is draw a line out of three single points - lets say the coordinates for the points are (20,30 ; 50,30 ; 70,50). Every time I finish sketching, ArcGIS is creating a polygon...

I'm a little bit confused (I'm a newbie) on how to get a list of just the selected Items of a QListWidget (in a QGIS plugin). I set up the manageGui function in this way: def manageGui(self): selectedLayers = [] # Trying to set up the listWidgetView...

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I'm trying to deal with an odd crash that occurs irregularly in arcGIS's arcpy, specifically under the create random points tool. This occurs under ArcGIS 10.1 to 10.3. During "CreateRandomPoints", the program attempts to create by polygon a number of points in the polygon, the number dictated...

I am currently working on a project for which I need to get GIS maps of India at a district-level in the 80's and 90's. India's district and state boundaries have changed over the time period 1980-2011 considerably, and I need to map these changes over time. Most of the versions that I found...

Since New Hampshire has been my home for the past 40 years I had to take note of this article in a local paper explaining to the public how lidar is being used to 3D map 80% of the state. …... Click Title to Continue Reading... أكثر...

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I see from various online sources (including GIS.SE's own How to download the entire ASTER GDEMv2 dataset?) that the ASTER GDEM has 22'000 tiles, each 1°×1° and 3601×3601 pixels (each pixel being 16-bit integer), with both elevation and quality rasters. A handy napkin says the uncompressed data...

Good day! I am currently creating a system to route pedestrian to open areas. I used OSM data and osm2po to parse the data for pgRouting. Now, I want to create new nodes with an additional attribute or flag to mark that it is an open area. Are there tools that can help me do that? Thank you...

I've been searching partial or complete solutions to importing ASCII point data / CSV to GIS enviroment. My interests are in detail connected to importing survey data consisting of both points, lines and polygons with various attributes preliminary surveyed as points: ID|X|Y|Z|CODE Where the...

I created a tin layer from contour lines. But its colour range change between black and white. How can I make it colourfulaccording to elevation values of tin layer? أكثر...

Bonjour, Je souhaite utiliser la console python dans QGIS 2.12 pour ouvrir un script ".py" . Lorsque je clique sur l'icône ouvrir, j'obtiens un message d'erreur. Le plugin debug lié à python indique que l'erreur se situe à ce niveau: "self, openFileTr, lastDirPath, "Script file (*.py)")" Je...

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برنامج فى التصميم ثلاثى الأبعاد (3D) من إنتاج شركة جوجل متخصص فى الرسم المعمارى الخارجى والداخلى (الديكور)، ويمكنك الإعتماد عليه فقط لإخراج عمل معمارى كامل بجميع المقاسات والمناظير البرنامج و يعد بديلاً متكامل لبرامج الـ 3D الأخرى ولكن به مميزات ينفرد بها ، ومن أهم ما يميز برنامج Sketchup: -...

I am using QGIS 2.10 Pisa to georeference geophysical survey information. When i import data i have the black raster around image which i remove by setting the transparency to zero. When i do this the black pixels in my geophysical image dissappear as well - does ayone have a solution for...

I`m trying to create a sphere-like view using qgis and the "world from space"-projection http://spatialreference.org/ref/sr-org/6980/ (essentialy an ortho-projection). ArcGIS wraps the shapes correctly but QGIS (2.01) produces nasty artifacts. I have to produce the globes on a regular basis...

I'm sorry for the vague title, I didn't really know how to name this. I am working on a project that visualizes and simulates 17th century trade. For this project we also use so called Minard lines to show how certain goods are distributed. To clarify I made this screenshot: However, as you...

When I try to convert to tiff .asc file, Qgis gives me this warning:"Producing Golden Surfer style file with DX and DY insteadof CELL SIZE since the input pixels are non-square. Use theFORCE CELL SIZE = TRUE creation option to force use of DX foreven though this will be distorted. Most ASCII...

يسر مركز المجد للجودة وتطوير الموارد البشرية الاعلان عن دورة : *الاتجاهات المعاصره في ادارة الموارد البشريه* *_باعتماد من الكليات... أكثر...