绘制Google个静态地图图像
Draw Google static map image
我正在使用 google 静态地图 API 在我的 Angularjs 应用程序中绘制 google 地图图像。
它在地图坐标数量较少的情况下工作正常。但是如果有大量的地图坐标则不是绘制地图图像。
例如以下将为少量坐标绘制图像,但如果我增加该尺寸,则它不会绘制。
编辑:-
Google 地图图像 URL
出现错误
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/>
您应该检查响应 header 以确定您的静态地图请求有什么问题。
The Google Static Maps API may issue an error or warning when something goes wrong. You should check for warnings in particular if you notice that something is missing from the map. It's also a good idea to check for warnings before launching a new application. Note that the warnings may not be immediately apparent because they appear in the HTTP header.
来源:https://developers.google.com/maps/documentation/static-maps/intro#Moreinfo
X-Staticmap-API-Warning
header 将包含有关错误或警告的说明。正如我在文档中看到的那样,地理编码位置的数量或折线顶点的数量 (15) 有一定的限制。这记录在
https://developers.google.com/maps/documentation/static-maps/error-messages#warnings
我希望这些信息可能有助于解决您的问题。
更新
静态地图URL 你的例子太长了。它包含 16187 个符号。静态地图 API 将 URL 的最大长度限制为 8192 characters。样本 URL 出现错误
如果您需要这么长的路径,您应该按照
中所述实现编码折线计算
https://developers.google.com/maps/documentation/utilities/polylinealgorithm
并将其应用于您的 URL。
我创建了一个简单的 JavaScript 代码,可将您的坐标转换为编码折线。您可以在 https://jsfiddle.net/xomena/tqv2zsq0/ 上看到它。编码的多段线有 3064 个字符,在允许的限制内。
现在您可以在 URL 中使用它,如代码片段所示(运行 它可以查看结果)
<img src="https://maps.googleapis.com/maps/api/staticmap?size=250x200&path=color:0xff0000ff|weight:2|enc:i|kmGfit_LjpFhc_A`kJpg{AlkJpg{AvkJpg{A~|\|j_AzxTz{D`cQhoFfrO~zKnoLhnc@t~X~zKj{g@rst@~HzmoAjnIhxv@`dYph~@tc]fwsAqa`@rkiB_jIpm{Btl]btjDuwRzv_CgoAzv_CfeApqnBlwBrst@~vMpytAysDfl}AysDfl}AviDnwnCw_Y|xeAv|GtxJ~uH_fBdfN~sHvfN~sHiwE|re@ewEhyYi`A|kb@zvSra{@hyDren@owE|yh@xbKh|i@l{@hcm@n{@fcm@dwf@hcm@np`@|nr@reKria@xxLhdPdqUrlq@t`Lhg`@mrl@fniBwsaDgl}A{oaBe`dCsw\oy{DaxdAke|FshSetjDztw@ox~@_hPom{BsnYo}nDq_c@}e{@wmu@ixv@cdr@sen@osqA}`l@_pb@{~eBo|N}xeAykAqg{AokS}trAe`iAff}@ijDra{@{qWckX{wNutWeaIirV{kBs{ZebF}d_@_bF_e_@{aF}d_@umMiyYe|UuxJeoDswg@wqDg`]pgA_ho@m~mAnp`A?fl}AryWfppAn{WfppAj}WfppAh_XfppAdaXfppAbcXfppA~dXfppA|fXfppAxhXfppAtjXfppAxbGtpoBdmXfppA|_f@||x@jpL~re@nrUz~eB|sUz~eBjuU|~eB|vUz~eBjxU|~eBgl`@ddwBaaiAxb`EiqhAluhEmahAnuhEizMbbqDbte@znyCrxe@znyC`m^dvpBendMxok@sfAxccBcsLfdwBorLddwB`{FhdPw{U~vXds[|flA}Ura{@inTfxv@su]huf@lcAfcm@r~R~lE_qQ~}[qy\bwbA_aU|pd@vnLdagB}yA|nr@quUr}gAqmLfimAeiJfimAm}O|go@iyA|flAbaRfbjAbiJ~_rAatD|~eB|tf@|`l@p``B?ph~@smThu~@umT|a_AsmTbcb@hhCpxG|llB{|Ans{Cz|A`xdG||A`xdG}m@fppA|m@htcAgnBhmyAvkCvzcA?fr}BerP|j_Af}k@{j|@~~Z?l~OrmTt{XhvIr}XhvIt_YjvInha@i}L|ka@k}Lv~Prpd@`a`@~lEfd`@~lE|wa@_fB|te@hdPpqf@h|i@fby@ucAleHs{Zn`Lslq@jm[sia@~aLq}gAip@}|x@b{Lif}@`mN_fBl|NreLolgBztxLj_j@`xdGhy]zv_C~syD_wXvk^om{Bbxd@qm{BtpjC_wXlclC}vX~umC_wX|keC|re@jdb@f{lA`iPfixDefLpqnB|yRd|pC|jw@nqnBb~HpqnB`~p@fdwBwiBdvpBf_IlvpBpuO|p_BfvOzp_Byl`@f~vAhvrA~`l@jbn@hhCvj]rmTd~j@tmTpbk@rmTmme@`{y@qrgC_se@g_jB}j_A}diBs{Z{}|@kwlAanhCrqGmpcB~zKoqoB|`l@{l~BhdPau~Brwg@eadDy|_DoacB}|x@st`@{hyBwl}Any}@o~_Apa{@uwe@wmYien@|vXo}Jrzw@nvBpg{A}kRrvdAmir@kkb@ffA_~[y}i@s{Zk{q@ha@qsq@tcA{w}@r{Zeff@h|i@wyx@}`l@kpa@r{Zec]rb^odi@hyYyaU|nr@ywPrst@omQ|re@clX`xxAhxWzsWrje@rmTzfMh|i@dvl@~vXjsQftcAn|K|flAchd@pa{@}bn@|flAwsi@ftcAl`u@{bA??ro|@r}gAhxlAfhjBl|NzllBjpj@ff}@hvj@ff}@fkC|zrBhkCzzrB_hYff}@pe\ftcAsrMfdwB}rm@zzrBglm@zzrBrfF||x@kuT|nr@m{AfdwBj~h@|xeA`ey@s}gAxss@gnc@j`jAkdPnqjAihClj^lbTn}G_iRr{\}vXh~\_wXfa`@_iRjqOria@ru^rwg@p`t@t{Zl}~ApaWjijAidPngiAh|i@zj`A|vXlhmA_{Kvni@scAlcs@_{KxyRmnuA~gM_{Klk`@s_Nd~RosO`p`@ucAzr`@r_NhfJ~vXpfJ~vXr`l@_{KbfB|flAxyCftcAhag@xqOhhWihCtsd@woiAzda@qabDhbYirV~cYgrVbud@|lE`~q@jhCfdr@hhCr_t@_wXdft@}vXxlt@_wXlst@}vXe`Di|i@|lL}j_AlpVsoaAr`DsmT|ad@idP~dd@idPliSsia@hjS_se@?g|i@xld@`_N|lSqj{@thNalaB??xbDq}gA_pGsoaAnjN}`l@bn_@uqGnlr@sqGtny@idP`vy@idPseWsst@q{X{v_C??vx_@}|x@hbKif}@h`R}d_@vce@smTzfe@hvIxie@hvIxll@}`l@zw\hhC~pWhnc@xb[fjp@paMroaAzaMhdPt_{@ivIhuPidPraF}nr@`u`@kdP`iT}zKrcf@}p_B????zfe@ozpApjSizlCwcFmybHrhMa|wFvidDqm{BdikFq}gAfz{BidPpe`@s}HfgeAh|i@v`fFsia@|mdBc~}Dtj{@eldEo|\ecqCmeLc~}D|d]oeuC|{b@i`]bo}@}nr@d{uDsoaAdieCinc@v}Y{byA~|sA}j_Ar}}A}`l@jcfB|d_@vjpBsmT`seAgl}Afhh@{jfDhkf@}re@b~kA}j_Afrb@gbjAxop@qihCfrr@quaB`vn@}nr@~t|Ai`]|~|Ai`]th}Ag`]~eg@sa{@djq@s}gAlrcA~hRhwcAsqGvcKijp@w_A}xeAv_A}xeAnfQsen@bl]qa{@yRoxq@hgQinc@rn_@q}gA_cG{v_CthnAsytAlo[}|x@wghAq}gAnp_@}trAthfAgppA|gMe|pC`lSos{Ch`As}gA~_p@enjC_mS}xeA_}`BgbjA}~w@qg{A``AefdD~hQo}nD{vk@y|_D{nuAkyk@wrpC}nr@{ocAgf}@kn_Bixv@g_AdpwDe_AbpwDabc@puaB_npFgmjAo_dGa`kFydiGgqcLcxF{nyCn{Bcd~EqtJw|fGweaAwmaIkzgHquaBu{aGra{@mreIbtjDyqqHsqGsuoGoabDm`oGoy{DophDoeuCowfDyb`Ei|eQoabDnfJuz[&markers=icon:http://192.168.1.194/public/images/g-pin-icon.png|size:mid|44.30293238565196,-68.2665974476563&markers=icon:http://192.168.1.194/public/images/r-pin-icon.png|size:mid|38.824961714032675,-76.99821031969634&markers=color:red|size:mid&maptype=roadmap&sensor=false&key=AIzaSyCROTlQkfNOnb5oZxUTCXPvz9Dz_xwRXzo" />
仍然有一条警告消息,您可以按照我在回答的第一部分中解释的那样在浏览器网络控制台中查看。
所以警告说
x-staticmap-api-warning: Failed to fetch image url http://192.168.1.194/public/images/g-pin-icon.png
Google 无法获取您的自定义图标,因为它不公开,192.168.1.194 是您的内部 IP 地址。您必须在公开可用的主机上发布您的图标,以避免出现此警告消息。
我正在使用 google 静态地图 API 在我的 Angularjs 应用程序中绘制 google 地图图像。
它在地图坐标数量较少的情况下工作正常。但是如果有大量的地图坐标则不是绘制地图图像。
例如以下将为少量坐标绘制图像,但如果我增加该尺寸,则它不会绘制。
编辑:- Google 地图图像 URL
出现错误<img 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/>
您应该检查响应 header 以确定您的静态地图请求有什么问题。
The Google Static Maps API may issue an error or warning when something goes wrong. You should check for warnings in particular if you notice that something is missing from the map. It's also a good idea to check for warnings before launching a new application. Note that the warnings may not be immediately apparent because they appear in the HTTP header.
来源:https://developers.google.com/maps/documentation/static-maps/intro#Moreinfo
X-Staticmap-API-Warning
header 将包含有关错误或警告的说明。正如我在文档中看到的那样,地理编码位置的数量或折线顶点的数量 (15) 有一定的限制。这记录在
https://developers.google.com/maps/documentation/static-maps/error-messages#warnings
我希望这些信息可能有助于解决您的问题。
更新
静态地图URL 你的例子太长了。它包含 16187 个符号。静态地图 API 将 URL 的最大长度限制为 8192 characters。样本 URL 出现错误
如果您需要这么长的路径,您应该按照
中所述实现编码折线计算https://developers.google.com/maps/documentation/utilities/polylinealgorithm
并将其应用于您的 URL。
我创建了一个简单的 JavaScript 代码,可将您的坐标转换为编码折线。您可以在 https://jsfiddle.net/xomena/tqv2zsq0/ 上看到它。编码的多段线有 3064 个字符,在允许的限制内。
现在您可以在 URL 中使用它,如代码片段所示(运行 它可以查看结果)
<img src="https://maps.googleapis.com/maps/api/staticmap?size=250x200&path=color:0xff0000ff|weight:2|enc:i|kmGfit_LjpFhc_A`kJpg{AlkJpg{AvkJpg{A~|\|j_AzxTz{D`cQhoFfrO~zKnoLhnc@t~X~zKj{g@rst@~HzmoAjnIhxv@`dYph~@tc]fwsAqa`@rkiB_jIpm{Btl]btjDuwRzv_CgoAzv_CfeApqnBlwBrst@~vMpytAysDfl}AysDfl}AviDnwnCw_Y|xeAv|GtxJ~uH_fBdfN~sHvfN~sHiwE|re@ewEhyYi`A|kb@zvSra{@hyDren@owE|yh@xbKh|i@l{@hcm@n{@fcm@dwf@hcm@np`@|nr@reKria@xxLhdPdqUrlq@t`Lhg`@mrl@fniBwsaDgl}A{oaBe`dCsw\oy{DaxdAke|FshSetjDztw@ox~@_hPom{BsnYo}nDq_c@}e{@wmu@ixv@cdr@sen@osqA}`l@_pb@{~eBo|N}xeAykAqg{AokS}trAe`iAff}@ijDra{@{qWckX{wNutWeaIirV{kBs{ZebF}d_@_bF_e_@{aF}d_@umMiyYe|UuxJeoDswg@wqDg`]pgA_ho@m~mAnp`A?fl}AryWfppAn{WfppAj}WfppAh_XfppAdaXfppAbcXfppA~dXfppA|fXfppAxhXfppAtjXfppAxbGtpoBdmXfppA|_f@||x@jpL~re@nrUz~eB|sUz~eBjuU|~eB|vUz~eBjxU|~eBgl`@ddwBaaiAxb`EiqhAluhEmahAnuhEizMbbqDbte@znyCrxe@znyC`m^dvpBendMxok@sfAxccBcsLfdwBorLddwB`{FhdPw{U~vXds[|flA}Ura{@inTfxv@su]huf@lcAfcm@r~R~lE_qQ~}[qy\bwbA_aU|pd@vnLdagB}yA|nr@quUr}gAqmLfimAeiJfimAm}O|go@iyA|flAbaRfbjAbiJ~_rAatD|~eB|tf@|`l@p``B?ph~@smThu~@umT|a_AsmTbcb@hhCpxG|llB{|Ans{Cz|A`xdG||A`xdG}m@fppA|m@htcAgnBhmyAvkCvzcA?fr}BerP|j_Af}k@{j|@~~Z?l~OrmTt{XhvIr}XhvIt_YjvInha@i}L|ka@k}Lv~Prpd@`a`@~lEfd`@~lE|wa@_fB|te@hdPpqf@h|i@fby@ucAleHs{Zn`Lslq@jm[sia@~aLq}gAip@}|x@b{Lif}@`mN_fBl|NreLolgBztxLj_j@`xdGhy]zv_C~syD_wXvk^om{Bbxd@qm{BtpjC_wXlclC}vX~umC_wX|keC|re@jdb@f{lA`iPfixDefLpqnB|yRd|pC|jw@nqnBb~HpqnB`~p@fdwBwiBdvpBf_IlvpBpuO|p_BfvOzp_Byl`@f~vAhvrA~`l@jbn@hhCvj]rmTd~j@tmTpbk@rmTmme@`{y@qrgC_se@g_jB}j_A}diBs{Z{}|@kwlAanhCrqGmpcB~zKoqoB|`l@{l~BhdPau~Brwg@eadDy|_DoacB}|x@st`@{hyBwl}Any}@o~_Apa{@uwe@wmYien@|vXo}Jrzw@nvBpg{A}kRrvdAmir@kkb@ffA_~[y}i@s{Zk{q@ha@qsq@tcA{w}@r{Zeff@h|i@wyx@}`l@kpa@r{Zec]rb^odi@hyYyaU|nr@ywPrst@omQ|re@clX`xxAhxWzsWrje@rmTzfMh|i@dvl@~vXjsQftcAn|K|flAchd@pa{@}bn@|flAwsi@ftcAl`u@{bA??ro|@r}gAhxlAfhjBl|NzllBjpj@ff}@hvj@ff}@fkC|zrBhkCzzrB_hYff}@pe\ftcAsrMfdwB}rm@zzrBglm@zzrBrfF||x@kuT|nr@m{AfdwBj~h@|xeA`ey@s}gAxss@gnc@j`jAkdPnqjAihClj^lbTn}G_iRr{\}vXh~\_wXfa`@_iRjqOria@ru^rwg@p`t@t{Zl}~ApaWjijAidPngiAh|i@zj`A|vXlhmA_{Kvni@scAlcs@_{KxyRmnuA~gM_{Klk`@s_Nd~RosO`p`@ucAzr`@r_NhfJ~vXpfJ~vXr`l@_{KbfB|flAxyCftcAhag@xqOhhWihCtsd@woiAzda@qabDhbYirV~cYgrVbud@|lE`~q@jhCfdr@hhCr_t@_wXdft@}vXxlt@_wXlst@}vXe`Di|i@|lL}j_AlpVsoaAr`DsmT|ad@idP~dd@idPliSsia@hjS_se@?g|i@xld@`_N|lSqj{@thNalaB??xbDq}gA_pGsoaAnjN}`l@bn_@uqGnlr@sqGtny@idP`vy@idPseWsst@q{X{v_C??vx_@}|x@hbKif}@h`R}d_@vce@smTzfe@hvIxie@hvIxll@}`l@zw\hhC~pWhnc@xb[fjp@paMroaAzaMhdPt_{@ivIhuPidPraF}nr@`u`@kdP`iT}zKrcf@}p_B????zfe@ozpApjSizlCwcFmybHrhMa|wFvidDqm{BdikFq}gAfz{BidPpe`@s}HfgeAh|i@v`fFsia@|mdBc~}Dtj{@eldEo|\ecqCmeLc~}D|d]oeuC|{b@i`]bo}@}nr@d{uDsoaAdieCinc@v}Y{byA~|sA}j_Ar}}A}`l@jcfB|d_@vjpBsmT`seAgl}Afhh@{jfDhkf@}re@b~kA}j_Afrb@gbjAxop@qihCfrr@quaB`vn@}nr@~t|Ai`]|~|Ai`]th}Ag`]~eg@sa{@djq@s}gAlrcA~hRhwcAsqGvcKijp@w_A}xeAv_A}xeAnfQsen@bl]qa{@yRoxq@hgQinc@rn_@q}gA_cG{v_CthnAsytAlo[}|x@wghAq}gAnp_@}trAthfAgppA|gMe|pC`lSos{Ch`As}gA~_p@enjC_mS}xeA_}`BgbjA}~w@qg{A``AefdD~hQo}nD{vk@y|_D{nuAkyk@wrpC}nr@{ocAgf}@kn_Bixv@g_AdpwDe_AbpwDabc@puaB_npFgmjAo_dGa`kFydiGgqcLcxF{nyCn{Bcd~EqtJw|fGweaAwmaIkzgHquaBu{aGra{@mreIbtjDyqqHsqGsuoGoabDm`oGoy{DophDoeuCowfDyb`Ei|eQoabDnfJuz[&markers=icon:http://192.168.1.194/public/images/g-pin-icon.png|size:mid|44.30293238565196,-68.2665974476563&markers=icon:http://192.168.1.194/public/images/r-pin-icon.png|size:mid|38.824961714032675,-76.99821031969634&markers=color:red|size:mid&maptype=roadmap&sensor=false&key=AIzaSyCROTlQkfNOnb5oZxUTCXPvz9Dz_xwRXzo" />
仍然有一条警告消息,您可以按照我在回答的第一部分中解释的那样在浏览器网络控制台中查看。
所以警告说
x-staticmap-api-warning: Failed to fetch image url http://192.168.1.194/public/images/g-pin-icon.png
Google 无法获取您的自定义图标,因为它不公开,192.168.1.194 是您的内部 IP 地址。您必须在公开可用的主机上发布您的图标,以避免出现此警告消息。