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Is there any way to convert polygons that do not have coordinates in the attribute table to a txt file with coordinates. I will be using the txt file in a different software (not ArcGIS), so I need the txt file with polygon coordinates. أكثر...

La logistica reversa o inversa basilio balli أكثر...

I have multiple ‘pairs of images’ that need to be mosaicked but I cannot find how to automate selection of the 'paired' file names as inputs into a model. Each has a file name such as LS7_ETM_NBAR_2011-01-22T23-47-13.tif (top) LS7_ETM_NBAR_2011-01-22T23-47-37.tif (bottom). a top image and a...

I have a similar problem to the following post, but the answers to that question did not assist with my problem. Data-defined Styles in QGIS I would like to colour the polygons in a shapefile using the BASECOLOUR field of the shapefile's attribute table. The BASECOLOUR field is a string that...

I am presently analysing the relationship between hydraulic fracture operations and possible associated induced seismicity. I have both the earthquake data (as a shapefile with lat, long, magnitude and date) and the hydraulic fracture well data (with lat, long, and date). Date format is...

I am trying to geocode a database that has, I'll call it "4 tiers", of address types. They are: Numbered Street (e.g. 506 Taproom Way) Cross-street (Happy Road $ Jubilant Blvd) Hundreds Block (500 block Cranberry St) Road (Independence Blvd) I want the best positional accuracy...

I am looking for a river database for Indonesia. I am aware of VMAP data and can make it myself from a DEM. What I really am looking for is a local product that contains rivers at the very local level such as village. أكثر...

As consumer demand grows and pressure increases on manufacturers to develop new products more quickly and efficiently, productivity is the key requirement for businesses. In this session, leaders from Hexagon Metrology, Vero Software and Q-DAS explain why they believe that quality drives...

Using GlobalMapper v16.2 (b051815) I uploaded a pdf of a 300 DPI color map that was georeferenced and then exported as an 8-bit Image Optimized... أكثر...

Late spring and early summer water conditions provide fertile territory for phytoplankton blooms in June 2015. أكثر...

I am working in QGIS on a vector layer where areas are classified using an attribute "typo". The problem I'm encountering is that many polygons are duplicated or overlapping, with the result that some areas are classified as two or more "typo". This is an error. In order to make some statistical...

Hi, I'm finding in a version of 16.2 that I downloaded in mid-June, I'm seeing when I generate a profile from an area and select the "Draw Line/Area... أكثر...

Is there any way to show our custom message in Qgis Status bar using python? Just like in arcgis "IApplication.statusbar.message(0) = "Please wait..." like that is there any option to show progressbar in Qgis like "IApplication.progressbar.show()" أكثر...

I have a list of UK postcodes and a number of participants in a survey. I would like to map the first three letters of the UK postcode and I would like a shape....a circular shape for example which will show a figure and its size is relative to the figure, ie. 50% is half the size of 100% in...

I have used Raster Calculator to merge several raster layers. The layers were all created using geographical features in the same transect, but as the features are not evenly spread, the raster layers are similar in size, but not identical. However, the output of the Raster Calculator is about...

I am exporting from Mapcom's M4 database into Geodatabase or Shapefile. I have the ArcGIS Data Interopability extension and I was able to connect and export the Lines, Points, polys, etc. When I was reviewing the exports, there are quite a few features that still appear in Mapcom M4 that are...

The surveying profession has undergone some pretty dramatic changes over the last couple of decades. Where professionals once primarily focused on locating property boundaries with instruments such as EDMs and total stations, now firms use laser scanning, GIS, mobile mapping, MultiStations, GPS...

I am using a proxy which I have made on my own so as to perform the map export tasks. I have noticed that GET/POST requests use the content-type header: application/x-www-form-urlencoded. However sometimes, when it uses GET request the application/x-www-form-urlencoded is not added and I am...

Call for papers on a special issue on past, present and future of Participatory GIS and Public Participation in GIS. In the 1990s, participatory GIS (PGIS) and Public Participation GIS (PPGIS)*emerged as an approach and tool to make geospatial technologies more relevant and accessible to...

I have been using the qgis2leaf plugin and succeeded in creating interactive maps, adding legend, photos, etc. But suddenly I noticed that the OSM base layer has disappeared and the polygons are not getting published the way they are styled, so i tried reinstalling the plugin. And this is the...