gps

问题 Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 7 years ago . Improve this question I'm pretty new in the android world. I am wondering how can I get the position of my friends and display it on a map. More precisely, I don't know how to share the position of my friends and I. Maybe have to use a server or something like that ? Is it hard to code

问题 For example at least I want a square/rectangle/ the shape of the road to be my region. 回答1: No it is not. As per the the documentation, currently the only region classes are CLCircularRegion, which is obviously circular, and CLBeaconRegion which is based on the proximity to an iBeacon. It is possible in the future that apple will add support for custom shaped regions but as of iOS 8, this is it. https://developer.apple.com/LIBRARY/ios/documentation/CoreLocation/Reference/CLRegion_class/index

问题 I am implementing OL for a GIS application and want to add a 20 seconds timeout when the user scrolled the map, after which the GPS auto track function should resume. For that I am utilizing the map.on('moveend', move_func(..)) listener. The problem is that it cannot differenciate whether the user scrolled or the position change came from map.setCenter(..). Although I could implement a state variable which is set to true every time map.setCenter() is called, this does not only seem un-elegant

问题 I am implementing OL for a GIS application and want to add a 20 seconds timeout when the user scrolled the map, after which the GPS auto track function should resume. For that I am utilizing the map.on('moveend', move_func(..)) listener. The problem is that it cannot differenciate whether the user scrolled or the position change came from map.setCenter(..). Although I could implement a state variable which is set to true every time map.setCenter() is called, this does not only seem un-elegant

问题 I have a 87288-point dataset that I need to filter. The filtering fields for the dataset are a X position and a Y position, as latitude and longitude. Plotted the data looks like this: The problem is , I only need data along a certain path, which is known in advance. Something like this: I already know how to filter data in a Pandas DF, but given the path is not linear, I need an effective strategy to clear out all the noisy data with a certain degree of precision (since the dataset is so

问题 I have a 87288-point dataset that I need to filter. The filtering fields for the dataset are a X position and a Y position, as latitude and longitude. Plotted the data looks like this: The problem is , I only need data along a certain path, which is known in advance. Something like this: I already know how to filter data in a Pandas DF, but given the path is not linear, I need an effective strategy to clear out all the noisy data with a certain degree of precision (since the dataset is so

问题 I am working on the GPS part of a project and I would like to get something past the community. I have searched around for all the typical GPS "jumping and drifting" and I have worked on improving what I get but last week I got some really weird data that I cannot put my finger on. The application basically has a foreground service that tracks the location and then uploads that data on a timer. Of course we have all the proper permissions needed and there is also a filter that weeds out data

问题 Problem when i am calling to enable gps programatically using GoogleApiClient into fragment... My code is.. final Status status = result.getStatus(); final LocationSettingsStates state = result.getLocationSettingsStates(); switch (status.getStatusCode()) { case LocationSettingsStatusCodes.SUCCESS: // All location settings are satisfied. The client can initialize location // requests here. getCurrentLocation(); break; case LocationSettingsStatusCodes.RESOLUTION_REQUIRED: // Location settings

问题 i´m using this example to load Radolan Data in R Example, RADOLAN Specification binary_filepath <- paste0("raa01-rw_10000-1708091950-dwd---bin") header_end <- regexpr("\003", readLines(binary_filepath, 1)) rb_stream <- file(binary_filepath, "rb") skip_temp <- readBin(rb_stream, "raw", n = header_end, endian = "little") rb_data <- readBin(rb_stream, "raw", size = 1, n = 900*900*2, endian = "big") rb_data <- rawToBits(rb_data) rbi <- lapply(seq(0, 900*900-1, 1), function(x){ sum(as.integer(rb

问题 i´m using this example to load Radolan Data in R Example, RADOLAN Specification binary_filepath <- paste0("raa01-rw_10000-1708091950-dwd---bin") header_end <- regexpr("\003", readLines(binary_filepath, 1)) rb_stream <- file(binary_filepath, "rb") skip_temp <- readBin(rb_stream, "raw", n = header_end, endian = "little") rb_data <- readBin(rb_stream, "raw", size = 1, n = 900*900*2, endian = "big") rb_data <- rawToBits(rb_data) rbi <- lapply(seq(0, 900*900-1, 1), function(x){ sum(as.integer(rb