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Tutorial on how to perform subset in Erdas Imagine using inquire tool box. أكثر...

This summer, Esri quietly released a refreshed edition of “Thinking Spatially Using GIS” (for ArcGIS Online)”.* This collection of instructional materials for the elementary geography and science classroom is completely free, requires no login, and no installation of software.* The activities...

i checked by mistake (Do Not Ask Again) check box Choosing this option automatically loads the first subdataset for any HDF without opening the subdataset selection. so how to fix this problem i need to choose one of the subdataset in a modis image. أكثر...

I'm working on a project where I need to visualize a constantly updating line of bearing from a point, based on degree of rotation around that point. My plan is to design a line feature with an attribute table that links to a CSV which is being fed this rotation data every few seconds. I'll run...

I have a CSV data file from a 3rd party that is an exported SQL Server table. They simply did a select * from foo and output the result to a text file and sent it over. In their table is column of Geometry type, so in my raw text I have something like "0xE610000010C47...", etc. At the...

As a cartographer born and raised on Kauai I felt it was my obligation to improve the Hawaii Wikipedia map. Somewhat derivative of Tom Patterson’s excellent Seafloor Map of Hawaii (http://www.shadedrelief.com/hawaii/) but designed to be more graphic...

By Brook Lenker, Executive Director In my earlier conservation work, I was always inspired by the activities of certain volunteers. Whether it was a guy who touched the lives of scores of kids through his outings and mentorship or a watershed maven who was the queen of planting and restoration...

I have a feature class. I want to edit the alias. When I go into the Properties of the FC and try to edit the alias, nothing happens. The field will not accept focus and changes are not allowed. How do I change the alias of a feature class? This could be done via code, SDE command line, or...

Generated 1km grid at a lower zoom level (so we cover a large ground area), this 1km grid data is saved in a DB and loaded back based on the current location the user is on, the problem is when we are loading the data back from DB and simple re-construction of the rectangles is overlapping and...

For example I can input a vector by using ##Layer=vector, and a CSV table with ##Table=table but it will fail if the table is based on a DBF file.I can export from DBF to CSV but then I will loose the joins I have defined. أكثر...

I'm trying to calculate the lat/long of a feature class in GCS NAD83. The picture shows what goes below. I can get it to work for distances and areas, but not a centroid. What looks incorrect? أكثر...

This has been my question for a while. But I never found a comprehensive answer to my question. Today I found a video on youtube for multilooking the data with NEST (Next ESA SAR Toolbox) seems that it produces square pixel out of rectangular SAR pixels. But how does this operate? Is it as...

Whether you’re a tourist looking for a casual dinner or a local trying to find a new neighborhood watering hole, Google Maps for mobile provides the most detailed and useful information so you can make the best decision on where to go. Starting today in Google Maps for Android in the US and UK...

So the fun continues with this project migration out of ArcGIS into QGIS. I’ve talked about the cartographic end….BUT what about the editing end. I’ve sorta went backwards as this job has been evolving. I had part of this nailed down way before the cartography end but last week brought a flurry...

Dear All, I am Arunava Dey from Kolkata, India. I have recently updated my portfolio of Spatial Data Visualization. I have added an interactive map of Global Terrorism since 1970. The visualization shows Total number of incidents, persons killed and injured. Common attack type, weapon used...

I applied the gwr.basic and gwr.mixed on the same SDF file using the codes below. I got an error messgae on gwr.mixed - "Error in SpatialPolygonsDataFrame(Sr = polygons, data = mgwr.df) : row.names of data and Polygons IDs do not match", while no problem with gwr.basic. Can anyone help. Thank...

I have a DEM of a city with numerous hills and a shapefile of the city streets. I want to find the five paths from a low point A to a high point B on the street network that involve the least elevation gain, that is, that have the fewest sections of downhill. Is it possible using QGIS/GRASS...

Udemy – Generate a 3D model from photos using Agisoft PhotoScan Course Description Learn how to create highly detailed and accurate 3D models with texture by means of Photogrammetry, that is 2D images processed into 3D models. Create accurate and high resolution models with ease with this...

Life360, the company behind a popular family location-based network*has acquired Chronos Mobile Technologies, a startup behind a number of mobile apps that passively collect data from users’ smartphones to understand people’s day-to-day patterns and routines. The match of this two apps seems to...

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